Current Research at the University of Michigan Biological Station

Current Research at the University of Michigan Biological Station

Investigators Title Project Abstract Funding Agency
Katherine Kavulic Investigation of Neidium in the northern lower and Upper Peninsula of Michigan

For this study we will use the diatom genus Neidium Pfitzer as a proxy for the freshwater diatoms of the region. Past surveys suggest that there are nearly 20 different species of Neidium in the freshwater diatom flora of northern lower peninsula and U.P. of Michigan. Algae and water samples...

Jonathan Raff Towards a Mechanistic Understanding of Land-Atmosphere Interactions of Reactive Oxides of Nitrogen in a Forested Environment

It is essential that we understand atmospheric processes to provide policymakers with accurate information they need to address rapid alteration of Earth’s climate in a timely and cost-effective manner. Most policy decisions are based on predictive atmospheric models that have become...

DOE-Office of Science
Allyson Costa (nee Wright) Studies of canopy nitrogen chemistry and atmospheric inputs of nitrogen to the forest

Studying the nature, chemistry, and impact of atmospheric reactive nitrogen is essential in understanding the fate of NOx and its effect on the biosphere. This project worked to advance this knowledge by observing the sequestration of reactive nitrogen through deposition to soil at UMBS. Our...

Modeling community and ecosystem processes in wetland plant invasion and nutrient cycling

Invasive plants in wetlands may alter community composition through complex interactions related to elevated N inflows, plant size, litter production, and ecosystem N retention and recycling.

Black carbon and fine root dynamics in forest ecosystems

Fine roots and pyrogenic organic matter (PyOM, e.g. charcoal and soot) are known to be important sources of carbon (C) inputs to forest soils. My research at the UMBS addresses several unknowns regarding: (1) the main factors that control fine root dynamics; (2) PyOM mean residence time, and...

Measurements of VOC concentrations and fluxes at PROPHET by high-resolution TOF-MS

We will deploy a high sensitivity, high resolution mass spectrometer (PTR-QiTOF) to measure concentrations and fluxes of a wide array of VOCs at the PROPHET tower as part of a broader field campaign planned for summer 2016. The measurements will allow us to measure the concentrations, emissions...

Piping Plover Salvage Captive Rearing Program

Captive rearing and reintroduction of the Great Lakes Piping Plover is conducted opportunistically on a small scale using eggs abandoned in the breeding range. The GLPP is a federally endangered species and the majority of its nests are monitored daily. If a nest is abandoned, the eggs are...

National Fish and Wildlife Foundation
Determining controls on nutrient uptake in streams

Understanding the role stream ecosystems play in watershed nutrient retention is a critical question in biogeochemistry. Although streams are important sties for nutrient retention and transformation, it is still unclear 1) what are the environmental controls on nutrient uptake and 2) how the...

National Science Foundation Subaward
Fresh Water Ice Nuclei

For rain to fall in temperate climates ice must form in the clouds. These particles are called ice nucleating particles (INP). We do not know what they are or where they come from but rivers have recently been shown to be a potential source. We will use the artificial stream facility to vary...

Private by investigator
The vertical and horizontal distribution of total mercury within soil


Roger De Roo A low cost sensor to quantify spatial and temporal variability of snow packs for SCLP validation

A wireless sensor that can measure the local density, wetness, temperature and snow grain size of a snow pack will be designed, fabricated and validated in this effort. By minimizing the cost of replication of this instrument, sensor webs can be deployed that will characterize the considerable...

Realistic exposure to toxins may show effects beyond standard static exposures

In recent history rates of agriculture have grown rapidly. To ensure maximum yield many agriculturalists use toxic compounds to control pest species of plants and insects. The increased usage of toxic compounds allows the opportunity for these chemicals to make their way into non-targeted areas...

Measuring atmospheric pollen vertical profiles using lidar

Atmospheric pollen is measured by ground-based lidar at the UMBS PROPHET tower laboratory. Lidar uses a pulsed laser to measure atmospheric aerosol particles in a single spatial coordinate. Positioned at zenith, vertical profiles of the lidar backscatter coefficient are created that can then be...

Timothy James Surveying the diversity of Cryptomycota in Michigan

Much of the biodiversity of eukaryotes lies in single cell organisms. While most fungal phyla have been known for centuries, a novel group of fungi was recently described which is known primarily from DNA sequences. We are trying to determine the true biodiversity and ecological role of the...

Elizabeth Stockton Rebuilding the forest following partial defoliation: Canopy controls on net primary production resistance to moderate disturbance

The mixed deciduous forests of northern Michigan are currently undergoing partial defoliation due to age-related senescence of bigtooth aspen (Populus grandidentata) and white birch (Betula papyrifera). The Forest Accelerated Succession Experiment (FASET) at the University of Michigan Biological...

Jacqueline Popma deer browsing effects on plant and soil biogeochemistry

I am interested in how white-tailed deer (Odocoileus virginianus) are changing forests in the Great Lakes region. Increased deer populations pose threats to habitats due to heavy and selective browsing on vegetation. It is clear that deer in the Great Lakes region are able to change patterns of...

Jennifer Murphy Canopy-scale Nitrogen Oxide Fluxes

We will deploy a high sensitivity, two channel chemiluminescence system to measure concentrations and fluxes of NO, NO2 and NOy at the PROPHET tower as part of a broader field campaign planned for summer 2016. The measurements will allow us to measure the exchange of nitrogen oxides between the...

Susan Cheng Effects of canopy structure and diffuse light on temperate forest carbon cycling

Forest ecosystems modify climate through vegetation-mediated interactions with the atmosphere.  However, current understanding of how atmospheric conditions change forest light environments and subsequent carbon processing is limited.  In particular, the impacts of clouds and aerosols...

University of Michigan Biological Station
University of Michigan Department of Ecology and Evolutionary Biology
Michigan Space Grant Consortium
Mark Hunter The role of plant chemistry in the population dynamics of herbivores

This long-term study investigates the effects of phytochemical variation on the population and community ecology of insects that feed on milkweed. We are following 48 milkweed clones on the ballfield, measuring variation in their chemistry, and counting the insect herbivores on these plants.

Forests in Transition

Project Overview

Re-growing forests across the North Temperate Zone presently remove about 15% of fossil fuel carbon dioxide (CO2) emissions.   It is unclear, however, how long and to what extent these forests will continue to sequester CO2 and...

Knute Nadelhoffer 2017 Burn Chronosequence Addition

Measuring the effects of succession on micro-organismal communities on short time scales (i.e. 1-10 years) can be difficult and often requires long term monitoring or chronosequence studies. The Burn Chronosequence at the UMBS presents a unique opportunity to study changes in micro-organismal...

Kevin McAvey The role of night time chemistry in the sequestration of Nox

Whats the role of night time chemistry in the sequestration of Nox? At the completion of the isotopic analysis project, we will expand our research focus to include the night time reaction between the nitrate radical (NO3) and isoprene. This project will focus on determining speciated isoprene...

Water Stress Effects on Plant Defenses and Plant-Mycorrhizal Interactions

I propose to explore the potential effects of changes in precipitation, as predicted by recent climate models, on plant defenses (in Asclepias species) and mutualistic interactions with arbuscular mycorrhizal fungi.

Wendy Dorman Monitoring Populations of The Eastern Prairie Fringed Orchid, Platanthera leucophaea, in Mud Lake Bog
Mercury cycling in Honeysuckle Creek Watershed

This study is focused on a comparison of stream water and groundwater mercury, methlymercury and total organic carbon concentrations in stream water and groundwater in Honeysuckle Creek Watershed. From these concentrations, groundwater influx to the along with mercury input to the lake system...

Paul Moore Game fish habitat preferences in Northern Michigan lakes and streams

Due to the presence of productive fishing lakes, rivers, and streams throughout the state of Michigan, fishing is a multi-million-dollar industry. In 2011 alone, 1.2 million dollars was spent on fishing licenses in the state of Michigan ( Unfortunately, this resource is impacted by...

Top-of-Canopy NOx Measurements in PROPHET 2016

Current models are unable to reproduce observed radical concentrations in forest environments. PROPHET 2016 aims to improve our understanding. Central to this effort will be measurements of hydroxyl (OH) and peroxy (HO2 and RO2) radicals. The measurements of NO and NO2 in the present project...

David Karowe Effects of elevated CO2 on plants, herbivores, and natural enemies

A series of studies to determine how elevated CO2 affects the nutritional quality and chemical defenses of plants (legumes and non-legumes), and how these changes affect higher trophic levels.

Alexander Bryan Vertical distribution of VOC emissions in a Northern Michigan hardwood forest

Volatile organic compounds (VOC) play an important role in air quality and climate by acting as precursors for tropospheric ozone and secondary organic aerosols (Logan 1985). Forest ecosystems represent an important source of VOC to the atmosphere, contributing ten times more to the global VOC...

David Edwards Interaction of stream flow and benthic organisms

Stream flow is the primary abiotic factor influencing stream ecosystem function. Physical forces associated with the flow change habitat structure, translocate materials, and can affect dispersal ability and behavior of an organism. Macroinvertebrates fulfill functional roles within a stream...

Mobilization of mercury from forests to lakes

Mercury is a notoriously hazardous pollutant that accumulates in fish, posing health risks to humans who eat fish. From a peak in the 1980s, concentrations of mercury in fish in the Great Lakes region have declined – due to pollution controls – but are again on the rise. The rise, we...

USDA McIntire-Stennis
Kristi Judd Long-term monitoring of trophic status of Douglas Lake

This project involves a series of decadal assessment of the trophic status of Douglas Lake. Measurement of the hypolimnetc oxygen deficit, primary production, and bacterioplankon and nanoflagellate abundances have been tracked following eutrophication through the seventies and eighties, and...

Knute Nadelhoffer DIRT - Detritus Input & Removal Treatment Project

The goal of the DIRT project is to assess the role of plant litter (both from above and belowground) in controlling the accumulation and turnover of organic matter and nutrients in forest soils. This is done by systematically increasing or decreasing inputs of litter from aboveground and by...

Experimental invasion of constructed wetland mesocosms

Coastal wetland plant communities in Michigan and throughout the Great Lakes region are increasingly dominated by non-native plant taxa, especially Phragmites australis, Typha angustifolia, and T. X. glauca. These non-native plants are substantially taller and larger than most native wetland...

Wesley Bickford Investigating the fungal communities associate with native and invasive Phragmites australis

Biological invasions can have significant impacts on ecosystems across the globe, such that the mechanisms driving invasions has been widely studied. Additionally, invasive species offer insights into the mechanisms of community assembly and species interactions. The common reed, Phragmites...

LTREB: Drivers of temperate forest carbon storage fom canopy closure through successional time

Project Summary
Overview: The investigators propose using a 200-year record of forest succession at the University of Michigan Biological Station (UMBS)– in a long-term manipulation known as the Burn Plots (cut and burned at different dates) and plots located in multiple old-growth end-...

National Science Foundation
Buck Castillo Ergosterol as an indicator for Ectomycorrhizal abundance associated with Red Oak and White Pine roots

In this study we will focus on determining the strength of mycorrhizal symbiosis associated with two species of trees, Quercus rubra and Pinus strobus. I will be using ergosterol, the dominant sterol in ectomycorrhizal fungi, as an indicator of fungal biomass.

Claudia Jolls Integrating Long-term Demographic Data and Repeated Genetic Sampling for Viability Analysis of Natural and Restored Populations of Pitcher's Thistle

Seven populations of the federally-listed threatened Pitcher's thistle (Cirsium pitcheri), a rare plant restricted to the shorelines of the western Great Lakes, are being assessed for long-term population viability. Our research brings together a long-term demographic data set, repeated...

UMBS Internal
Zachary Fogel Effect of flow variation, substrate, and presence of predators on drift rates of a lotic mayfly.


National Science Foundation
Meghan Howey The Cultural Landscapes of Douglas Lake Archaeological Research Project (CLOD)

The Cultural Landscapes of Douglas Lake Archaeological Research Program (CLOD) expands ongoing research on Late Prehistoric (AD 1200-1600) Native American occupation around Douglas Lake in Northern Michigan. It is a joint effort between the University of New Hampshire and the University of...

Claudia Jolls Predicting impacts of a biocontrol weevil on a federally threatened thistle

A better understanding of the ecological and evolutionary consequences of plant-insect interactions has important ecological consequences as well as agricultural applications, including management of insect and plant pests. This improved knowledge is particularly critical during times of global...

Eutrophication of Douglas Lake

This is the 6th is a sequence of studies begun in 1970 assessing the eutrophication of different regions of Douglas Lake and relating differences to bacterioplankton, zooplankton, and zebra mussels

John Kociolek Freshwater Algae of the Douglas Lake region.

This project will develop web-based tools related to the identification and distribution of freshwater algae in the Douglas Lake region. This resource will be available to, and support, teaching in a variety of classes at UMBS, including the Freshwater Phycology class. We will develop site...

UMBS Fellowship
Fine-scale modeling of transpiration and carbon assimilation in forests

Forest ecosystems world-over are going through rapid structural changes. These crown-scale changes may extend over large spatial domains. However, the consequences of changes to small-scale canopy structure are not currently incorporated in simulations. The goal of this work is to advance the...

NSF #60019617
Jesse McCarter Ecology and biology of landlocked sea lamprey (Petromyzon marinus) within Michigan's inland waterway

A small population of sea lamprey (Petromyzon marinus) spend their entirety of their life cycle within Burt and Mullet Lakes, failing to return to Lake Huron. This study aims to assess the feeding ecology and embryo viability of sea lamprey, while conducting various analyses to distinguish...

Paul Moore Crayfish Ecology and sociobiology

My lab studies two aspects of crayfish ecology. First, we are interested in the chemical ecology of crayfish. This includes chemical orientation behavior, predator-prey relationships, and foraging decisions. Second, we are interested in aggression, social behavior, and dominance hierarchies.

Jenna Ditto Chemical Characterization of Gas/Aerosol-Phase Organics

Monoterpenes and sesquiterpenes represent a significant fraction of biogenic emissions, but their oxidation pathways and products are not well understood. Terpenes are among the most prevalent precursors of secondary organic aerosol in the atmosphere, so developing an understanding of their...

Colin Kyle Constructing a mechanistic species-interaction model of gypsy moth population fluctuations

Under certain conditions, some forest pest insects exhibit massive population explosions and cause devastating damage over large areas of forest. Although these highly environmentally sensitive pests currently plague North American forests, we may see more frequent and intense outbreaks in the...

Hines Fund - The University of Chicago
Evolution of female-specific color polymorphisms in damselflies

Sexual harassment is a common evolutionary outcome of sexual conflict of interest over mating, but we know little about the fitness consequences of harassment, how females have responded to it, or how species interactions have shaped responses by both females and males. Enallagma damselflies,...

Ross Alexander Constraining the Carbon Cycle with Tree-Ring-Derived Estimates of Aboveground Biomass.

We present a research plan to improve land surface models (LSMs) using new and existing data collections and modeling infrastructure that we have helped to develop. To achieve this goal, we will build upon a data assimilation system under development for the Community Land Model (CLM) and...

Department of Energy
Martin Tsui Identifying Sources and Degradation Mechanisms of Methylmercury in Temperate Forest Ecosystems

Mercury (Hg) is a global atmospheric pollutant that has been deposited into virtually all ecosystems on the Earth. Methylmercury (MeHg), the most toxic form of Hg, can strongly bioaccumulate and biomagnify in food webs, posing a serious threat to natural populations of wildlife. Production and...

National Science Foundation
Modeling Hydrodynamic Stress Limitations on Transpiration

Forest ecosystems world-over are going through rapid structural changes. These crown-scale changes may extend over large spatial domains. However, the consequences of changes to small-scale canopy structure are not currently incorporated in simulations. The goal of this work is to advance the...

NSF Project 60019617
Freshwater algal flora of the Hawaiian Islands.

This project will create the first ever freshwater tropical algal flora from the only tropical biome within the United States. Given these are oceanic islands, additional questions relate to the origin and development of this flora, and the levels of endemism seen on the islands. At the...

Cynthia Scheuermann Drivers of decadal to century forest net primary production

Using data collected in chronosequences of both red pine and aspen-birch forests we seek to examine drivers of net primary production over decadal to century scales.

Paul Moore Static Ecotoxicology; a Thing of the Past? An Innovative Model of Dynamic Toxic Hotspots in a Stream System

Over 50% of North American freshwater systems are impaired to the point where fishing and swimming is not possible. Anthropogenic toxins are a major form of pollutants damaging these systems. In order to remediate these systems, we must first understand the role that flow and stream structure...

UMBS Fellowship
Paul Wennberg Oxygenated VOC

We plan to measure a suite of oxygenated volatile organic compounds at the top of the tower during the PROPHET 2016 campaign

Hans Tritico Understanding the Role of Turbulent Eddy Composition in Stream Ecosystem Services: Application of in-situ PIV to Habitat Selection Studies

The objective of this EAGER proposal is to demonstrate the applicability of in-situ particle image velocimetry (PIV) technology to address fluid mechanics questions that are difficult to answer in the laboratory. We will demonstrate this applicability by linking eddy composition to fish habitat...

Teodora Vecerdi The Role of Invertebrates in Soil Carbon Efflux

In this study, we aim to clarify the predominant effect of earthworm and invertebrate activity with elevated temperature in sandy high -­‐ latitud e forest soil native to Northern Michigan , using varied C3 ( Dactylis gomerata ) and C4 ( Andropogon gerardiand ) l eaf litter to trace the...

Nyeema Harris MESONICHE

Sympatric species within the same guilds coexist through various mechanisms to reduce competition. Abundant resources may allow populations with densities far below their carrying capacity to persist. Alternatively, subordinate species must adjust their requirements and/or behaviour to avoid...

Sebastien Dusanter Investigation of ozone production sensitivity to NOx

Ozone is a greenhouse gas and a primary constituent of urban smog, irritating the respiratory system and damaging the vegetation. The current understanding of ozone chemistry in the troposphere indicates that net ozone production, P(O3), occurs when peroxy radicals (HO2+RO2) react with NO...


As part of my dissertation research, this project aims to understand the prehistoric use of subterranean storage pits (aka cache pits). Continued study of cache pits within the Inland Waterway can help to answer questions regarding the risk management decisions behind the utilization of cache...

Jed Sparks Measuring soil nitrogen trace gas emissions

We are measuring soil nitrogen trace gas emissions in conjunction with the overall FASET experiment.

Is hormone provisioning an adaptive, plastic phenotype in wild crickets?

Environments on Earth are changing rapidly, and animals must adapt to these changes or perish. Not only must animals adapt to environmental changes that occur within their lifetime, but their fitness depends on producing offspring that will survive future conditions. One common mechanism animals...

Orthopterists' Society
EEB Block Grant
Supporting Cisco (Coregonus artedi) Restoration in Northeastern Lake Michigan

Our work will include natural and social science methodologies to paint a picture of the past, present, and future of cisco in northeastern Lake Michigan. Together, we will document the feeding habits of cisco at various life stages, map their current age and population structure, and document...

Kathryn Docherty Airborne Microbial Communities

The air is one of the last unexplored biological habitats on Earth, and little is known about airborne microbial communities (AMCs), which include bacterial, archaeal and fungal inhabitants. The atmosphere serves as a mechanism for microbial dispersal across terrestrial ecosystems, and is a...

National Science Foundation
Deborah Hudleston Effect of elevated atmospheric CO2 and tropospheric O3 on belowground plant litter biochemistry and the influence of microbial community composition on ecosystem nitrogen availability

In order to predict the response of ecosystem productivity to increasing concentrations of atmospheric carbon dioxide (CO2) and tropospheric ozone (O3), it is necessary to understand how such changes will affect releases of biologically reactive nitrogen (N) during organic matter decomposition...

Robert Fahey Restoration of native pine species in Great Lakes coastal environments

Limited information exists on the regeneration dynamics, mycorrhizal associations, and genetic diversity and local adaptation of native pine species in Great Lakes coastal environments (dunes/beach ridges). An improved understanding of these issues is essential to designing and implementing...

NOAA Illinois-Indiana Sea Grant
Forest Accelerated Succession Experiment (FASET)

Project Overview

Our primary objective is to provide an improved understanding of the biological and climatic controls over carbon (C) and energy cycles during and after a successional shift from a mature aspen to a young mixed confer/deciduous forest ecosystem that will...

Department of Energy
Heather Snyder Quantification of Microcystin-LR among Fish Species in an Oligotrophic Lake: A Proposed Study in Little Traverse Lake, MI.

Cyanobacterial blooms are increasing in frequency, which consequently has led to increases in harmful cyanotoxins such as microcystin. Microcystin is harmful to human health if ingested, and exposure via fish consumption is a current route of interest (Ibelings and Chorus, 2007). Most research...

John Syring Fungal and bacterial decomposition of downed woody debris

We will be investigating the specific species and relative composition of decomposers across various decay classes of aspen.

Paul Moore How does chronic exposure to pharmaceuticals impact crayfish behavior and physiology

A significant and increasing contributor to pollution is pharmaceutical compounds. These compounds typically serve to modify the physiology or behavior, of the intended target system, without killing the organism. The wide range of entry points into freshwater systems reaffirms that animals...

Kathryn Braddock Evaluating the Successes of Land Trust Conservation: Social and Economic Effects of Incentive-Based Efforts in Northern Michigan

Current literature emphasizes the importance of local communities in decentralization, meaningful participation, incentive structures and conservation of environments in ways that will promote the ideals associated with conservation and the appropriate tools for evaluating conservation efforts....

Assessment of Iris versicolor L. population health across northern Michigan

Sixty eight (68) distinct localities of Iris versicolor L. populations previously catalogued by the University of Michigan Herbarium will be visited over the course of the plant’s flowering period (late May-July) to assess the current state of each population. Factors investigated...

Collaborative Research: Biogenic Volatile Organic Compounds and their Impacts in a Changing Temperate Forest

This project is a collaborative effort among colleagues at four different institutions, each of whom has expertise in different aspects of field measurements of BVOC compounds. The work will be conducted at the PROPHET site at the University of Michigan Biological Station (UMBS) and entails...

NSF Atmospheric and Geospace Sciences
Paul Moore The effects of macro- and micronutrient availability on the soil invertebrate communities and activity

The brown food web encompasses an important group of soil taxa including microbes, microbivores and detritivores, and their predators. In particular, the invertebrate community of the brown food web is responsible for many forest floor processes such as nutrient cycling, including carbon...

Cathy Bach Herbivory on Pitcher's thistle, Cirsium pitcheri

The herbivorous thistle tortoise beetle, Cassida rubiginosa (Chrysomelidae, Coleoptera), was first observed on Pitcher’s thistle at Cross Village Township Park in 2014. This project will investigate the distribution of this beetle at various sites on Lake Michigan and Lake Huron. Information...

Soil Moisture Heterogeneity and Plant Moisture Stress in a Northern Hardwood Forest

Trees draw water from soil through roots to their leaves. During photosynthesis, water is lost through the process of transpiration. This creates states of water stress within the tree that vary with evaporative demand and water availability. One goal of this project is to examine the spatial...

Ryan Eustice Autonomous Underwater Vehicles

We plan to conduct engineering research trials of two autonomous underwater vehicles (AUVs). These vehicles are fully autonomous robotic submersibles that will be used to conduct optical and sonar mapping of the Douglas lake seafloor. We will be testing vehicle control algorithms, multi-vehicle...

National Science Foundation
Office of Naval Research
Detlev Helmig Oxidant and atmospheric aerosol formation from biogenic volatile organic compound emissions

Oxidant and atmospheric aerosol formation from biogenic volatile organic compound emissions.

Marcella Baiz Substrate size and partial prey comsumption in the antlion larvae Myrmeleon immaculatus

It has been suggested that antlion larvae foraging strategy depends on environmental conditions in the Australian species, Myrmeleon acer. A previous study found that antlions that were forced to build pits in coarse sand consumed a greater percentage of each prey item than antlions that were...

Richard Fiorella Investigating Water Vapor Transport in Disturbed and Undisturbed Sites

We study the effect of forest structure on water vapor transport. Specifically we monitor the isotopic composition of water vapor in the forests surround the FASET and AmeriFlux eddy covariance towers to better understand hydrologic dynamics in the forest.

Michael Muzyka Future Forest Sensitivity to Tropospheric Ozone: Interactive Effects of Climate Warming and Altered Forest Composition

The world is undergoing a series of large changes in climate. For example, temperatures in the Great Lakes region are expected to increase over the next century. Average annual temperature is predicted to rise between 2 to 6 °C by 2100. Precipitation patterns are expected to change significantly...

Rebeka Nadasdi Measurements of meteorological parameters, CO and O3

I will work together with Professor Mary Anne Carroll. We will conduct field measurements of ozone, CO and meteorological parameters. Methods will utilize a UV photometric O3 analyzer and a Gas filter correlation CO analyzer.

Lizette Ramírez Adaptations to novel habitats in Sarracenia purpurea

Scientists hope to understand adaptations which allow organisms to expand beyond habitats in which they originally evolved. Carnivorous plants were thought to have originated in ecosystems that are both low in nitrogen and high in sunlight. Because they are no longer limited by carbon capture...

Reinhard Lakes-Harlan Acoustic orientation of a parasitoid fly

Okanagana rimosa is a common cicada of wooded habitats in Northern Michigan including areas close to the Biological Station. Males of the cicada O. rimosa produce calling sounds to attract female cicadas for reproduction. This signal is uniquely overheard by the parasitoid fly Emblemasoma...

Yuliana Rowe-Gaddy Spider assemblages across a gradient of disturbance severity in a northern temperate forest in Michigan

The Forest Accelerated Succession Experiment (FASET) being studied by researchers at the University of Michigan Biological Station (UMBS) provides an opportunity to examine spider assemblages across a gradient of disturbance severity by mimicking potential effects of climate change, whether it...

Ines Ibanez Colonization capacity of migrating species

Plant populations migrating in response to climate change will have to colonize established communities. Even if a population disperses to a new region with a favorable climate, interactions with other species may prevent its establishment and further spread. The potential of these species to...

Investigating Water Vapor in Disturbed and Undisturbed Sites

We study the effect of forest structure on water vapor transport. Specifically we monitor the isotopic composition of water vapor in the forests surround the FASET and AmeriFlux eddy covariance towers to better understand hydrologic dynamics in the forest.

Shelley Pressley Biogenic VOCs and Secondary Organic Aerosol at PROPHET - WSU 2014

We will be measuring isoprene fluxes, BVOC concentrations, and aerosol composition at the PROPHET tower. We are particularly interested in pollution stress, BVOC response, and connected changes to aerosol composition.

Department of Energy
Nelson Bonilla Detection of sap accumulation in the paper birch (Betula papyrifera) by the Yellow-Bellied Sapsucker (Sphyrapicus varius)

The Yellow-Bellied Sapsucker, Sphyrapicus varius, is a double keystone species, which plays an important role in the mixed hardwood forest and boreal forest of North America by providing cavities, as well as feeding sites, for many other organisms in the forest. S. varius feed on tree sap as a...

Nonpoint Source Interflow and Implications of Chemical Stimuli at the Benthic Level

Chemoreception is used by many different organisms in aquatic systems for a broad spectrum of ecological decisions.  In order to appreciate organismal behavioral responses to chemical stimuli, an understanding of the physical structuring of signals within their flow environment is warranted...

Philip Myers Is Global Change Affecting Populations of Small Mammals in Northern MI?

Analysis of historical records of the distributions of a number of small mammal (rodent, shrew, opossum) species strongly suggests a pattern of replacement of northern species by southern species in the northern Great Lakes region. In a few well-studied communities in the Upper Peninsula of...

Christopher Gough Understanding controls over carbon and energy cycles following a successional shift

Our primary objective is to provide an improved understanding of the biological and climatic controls over carbon (C) and energy cycles during and after a successional shift from a mature aspen to a young mixed confer/deciduous forest ecosystem that will be widely distributed across the upper...

Black Carbon: Linking the chemical structure of black carbon to its biological degradation and transport dynamics in a northern temperate forest soil

We test the effects of charring temperature on Black Carbon (BC) chemical structure and subsequent degradation rates. While plant species effects on BC structure and dynamics in the environment are not well studied, species effects have been shown as minor compared with the temperature of...

Claudia Jolls Integrating Long-term Demographic Data and Repeated Genetic Sampling for Viability Analysis of Natural and Restored Populations of Pitcher's Thistle

Seven populations of the federally-listed threatened Pitcher's thistle (Cirsium pitcheri), a rare plant restricted to the shorelines of the western Great Lakes, are being assessed for long-term population viability. Our research brings together a long-term demographic data set, repeated...

Resisting the decline: Disturbance severity and net primary production resilience of a Great Lakes forest ecosystem

This research focuses on how disturbance across a gradient of severity affects the net primary production of Eastern deciduous forests in the US. The four primary objectives include 1) identification of the relationship between NPP resistance and resilience to disturbance severity ; 2)...

Department of Energy
Roger De Roo Broadband Radiometry for Snowpack Travel Time Measurement

This project will demonstrate a remote sensing technology for the direct retrieval of snow water equivalent (SWE) of a snow pack. Broadband radiometry (GHz bandwidth) has promise for the recovery of travel times in layered low-loss and non-scattering media. Broadband microwave noise emitted by...

Survey of Flora and pollinators, Cordwood Point

For a ceramics project on bees, I am examining the flowers blooming in late May at Cordwood Point, Michigan

Rhizome Bank - Cecil Bay

Project will collect plants from flooded environments near Cecil Bay and raise them in aerobic environment to determine if there are residual live, perennial plants. It is standardly assumed that perennial plants in coastal wetlands do not survive flooding, and this study will test the accuracy...

UMBS Research grant
Measurements of HOx and other species during PROPHET 2016

We will prepare and deploy instrumentation for the measurement of key species related to understanding atmospheric oxidation for deployment during the PROPHET 2016 campaign. These species include hydroxyl (OH), hydroperoxy (HO2), and organic peroxy (RO2) radicals; sulfuric acid (H2SO4); organic...

National Science Foundation
The Role of stream characteristics in gregarine parasitism and fitness of dark-winged damselfies


Sarah Wofford The effects of altered RHP perception of self and opponent on fight dynamics and assessment in crayfish (Orconectes virilis)

Agonism is an important social aspect of animal behavior and the outcome of agonistic interactions is critical to the acquisition of vital resources. During agonistic interactions, individual participants make behavioral decisions based on energy and time investment. In order to make optimal...

Xianliang Zhou A study of HONO chemistry in the forested environment during PROPHET2016

The PROPHET’2016 summer field measurement intensive is an atmospheric research initiative to improve our understanding of radical chemistry in a forested environment (PROPHET’2016 Whitepaper). Four major science questions have been raised and are to be addressed by this collaborative field...

Meredith Luneack Life, Liberty, and Property: The Functionality of Non-profit Land Conservancies in the Context of Modern American Political Ideals

For sixty years, The Nature Conservancy has defined American efforts to conserve ecosystems and natural features through land acquisition; that is, through the donation and sale of property by private actors. They serve as the flagship organization for the conservation movement and are one of...

The effects of pitcher plant (Sarracenia purpurea) nectar, color, and leaf morphology on prey capture and inquiline communities.

To follow

Shino Toma Biogenic Volatile Organic Compounds from Needles of White Pine (Pinus strobus) in Northern Michigan

Estimating the emission rates of biogenic volatile organic compounds (BVOC) is important to understand their effects on atmospheric chemistry, climate change and human health. In some tree species BVOC concentrations within leaves is proportional to the gas-phase emission rate. Measuring needle...

Robert Pillsbury The effects of macrophyte removal in the littoral zone of Douglas Lake

We propose to remove all macrophytes from a 50-100 foot section of the Douglas Lake littoral zone off of Grape Vine point. This will effectively create a modified habitat zone that could act as a baseline for research projects (sort of like an aquatic version of our burn plots). We will...

Diversity of the diatom genus Frustulia

Project aims to explore diversity and biogeography of the species from the diatom genus Frustulia. Species identification and delimitation uses integrative taxonomical approach, which combines molecular data, traditional and geometric morphometrics, and ecology inferred from in situ measurement...

Latitudinal variation in pollination and herbivory

Species interactions such as pollination and herbivory have often been observed to be more prevalent or intense at lower latitudes. This may explain why biodiversity is so high in the tropics. Coevolution in species interactions could cause high diversification rates compared to the main...

Diversity of the diatom genus Frustulia

Project aims to explore diversity and biogeography of the species from the diatom genus Frustulia. Species identification and delimitation uses integrative taxonomical approach, which combines molecular data, traditional and geometric morphometrics, and ecology inferred from in situ measurement...

What mechanisms facilitate range expansion in small mammal species?

Invasive species can wreak havoc on native ecosystems but only some invasions are actually successful. Range expansion due to climate change may also exert similar detrimental effects because species can expand their range to peripheral areas and outcompete endemic species. In invasive species,...

University of Michigan MCubed
University of Michigan Startup Funds
The eutrophication of Douglas Lake

Project begun in 1970, continued in 1981, 1990, 2000, 2007 documents change in trophic state of Douglas Lake as a function of regional land uses. The west end in regions of cottages is more eutrophic than remainder of lake. The increasing trend of eutrophication was stopped in 2000 and then...

Nicolás Correa Net primary production beyond the disturbance threshold: Does lack of subcanopy growth limit resilience?

Climate change related largely to high greenhouse gas emissions is a process that is leading to alteration in the biosphere. These rapid changes can induce higher frequency of disturbances and catastrophes, which in turn may impact the balance and function of forest ecosystems. Forests play a...

Effects of Stacked GM Corn on the Growth and Chemically Mediated Behaviors of Juvenile Rusty Crayfish, Orconectes rusticus

As of 2014, 93% of corn crops grown in the United States are genetically modified (GM), with almost three-quarters of GM corn now containing multiple gene insertions. These transgenes confer beneficial traits such as herbicide-tolerance (HT) or insect-resistance (Bt). The mechanisms behind Bt...

Sara Lahman Molecular Dispersion from Point and Non-Point Pollution Sources

Molecular dispersion of each type of pollution (point and non-point) will be first investigated in a natural setting, a small section of the Maple River, in Pellston, Michigan. Through gathering of data from a natural habitat, baseline parameters will be established. Dispersion will...

Cross-habitat exchange of mercury between aquatic and terrestrial ecosystems

The purpose of this study is to investigate the cross-habitat exchange of mercury between aquatic and terrestrial ecosystems. When the insects emerge out of the water, they transport significant amount of mercury to terrestrial ecosystems. The transported mercury can then be exposed to...

M cubed
Culverts As A Mechanism for Habitat Fragmentation In Streams

The purpose of this study is to investigate whether or not stream crossings lead to habitat fragmentation. Culverts, or the pipes that run underneath roads that cross over water, can increase stream flow and alter the sediment distributions downstream, affecting animals that choose habitats...

Aerosol Physicochemical Properties in a Forested Environment

This project will focus on characterizing atmospheric aerosol properties both in real-time and with offline anaysis at the PROPHET site. This will involve measuring the aerosol size distribution, single particle chemical composition, and supporting measurements. This information will be coupled...

University of Michigan Startup Funds
Heather Siersma Mapping the native and invasive haplotypes of Phragmites australis in northern Michigan

The biodiversity of the state of Michigan, already fragmented and reduced in the wake of widespread logging and development (Penskar et al, 2001), is now threatened by non-native plant invasion (Goldberg, 2007), including that of the M Eurasian haplotype of Phragmites australis. At the request...

Alexandra Neal Investigating the effects of a pharmaceutical on behavior using a real exposure paradigm

As global consumption of pharmaceuticals on the rise, so does the amount of pharmaceutical discharge in freshwater systems. Acute toxicity of these toxins has been calculated, based on static exposure trials which is not an adequate evaluation for flowing bodies of water, such as rivers and...

Quality control investigation into AmeriFlux and FASET tower sensors

Sensor equipment redundant with that outfitted on the AmeriFlux and FASET towers will be set up to evaluate the accuracy of data streams from those towers. While not a site review, these data are used within the AmeriFlux network to ensure usability of data streams.

Department of Energy
Is Canopy Structural Complexity a Global Predictor of Primary Production?: Using NEON to Transform Understanding of Forest Structure-function

Canopy structure, an ecosystem feature that can be broadly characterized using remote sensing technologies, is a well-established determinant of forest carbon storage, with the quantity of canopy leaves a universal predictor of carbon storage that is incorporated into models used to forecast how...

Molly Gallagher Modeling the population dynamics of jack pine budworm Choristoneura pinus in light of accelerating climate change

Deforestation is a global problem that can result in erosion, desertification, climatic changes, and displacement or extinction of plant and animal species. Insect outbreaks play a major role in forest destruction, particularly in boreal forests, a role that is expected to increase in importance...

Fungal and bacterial decomposition of downed woody debris

We will be investigating the specific species and relative composition of decomposers across various decay classes of aspen.

David Zanatta Testing Hypotheses of Atlantic Coastal Origin for the Endangered Eastern Pondmussel, Ligumia nasuta, in the Great Lakes (Bivalvia: Unionoida)

This study will survey the genetic diversity of the Eastern Pondmussel in the Great Lakes region and reconstruct the migration path for the species after the latest ice age. Field collections will be taken from the Eastern Pondmussel’s several remaining habitats in the Great Lakes region and...

US Fish and Wildlife Service
David Edwards Interaction of stream flow and benthic organisms

Stream flow is the primary abiotic factor influencing stream ecosystem function. Physical forces associated with the flow change habitat structure, translocate materials, and can influence organism dispersal ability and behavior. Benthic macroinvertebrates fulfill various functional roles within...

Callie Chappell The Effects of Elevated CO2 on Plant Chemistry and Population Dynamics

The goal of this REU project is to (1) investigate the growth rate of Aphis nerii raised on two species of Asclepias (A. syriaca, A. speciosa) grown under elevated and ambient carbon dioxide, and (2) to determine whether this growth rate is correlated with metrics of plant chemical defense such...

Thomas Luhring Proof-of-Concept Test of Larval Sea Lamprey Responses to Alarm Cue

The extent to which newly-hatched sea lamprey larvae alter their spatial distribution through individual movements remains a largely unexplored and potentially important driver of recruitment success in the Great Lakes sea lamprey population. In addition to revealing large, stochastic mortality...

Great Lakes Fishery Commission
Doug Farr Sustainable Urbanism: Urban Design with Nature: Volume 2

I am writing a second volume of a professional text.


I assess the importance of N-fixing bacteria Frankia as the proportional availability of fixed N to mineralized N using a flow-through method. The purpose of this study is to measure Frankia N-fixation and soil N-mineralization; framing the Frankia-Alnus symbiosis in the context of meeting alder...

University of Michigan EEB Block Grant
Rackham Research Grant
George Leshkevich Measuring the temperature, reflectamce, and attenuation of ice/snow cover

This project will measure ice/snow surface temperature (IST), ice/snow reflectance, and ice/snow thickness and attenuation for different ice/snow types for satellite "ground truth" and ice forecast modeling.

Scott Miehs Test of a non-physical bio-acoustic fence to guide migratory sea lamprey

The development of non-invasive technologies to divert adult sea lamprey migrations and direct adults into traps where physical barriers are not present is a primary research objective of the sea lamprey control program (McLaughlin et al. 2007). Traps have the potential to aid the control...

Great Lakes Fishery Commission
Physical characteristics of stimuli within sensory landscapes

Animals make many ecological decisions such as foraging, mating and predator avoidance based on the information they extract from the sensory signals in their environment. These stimuli can include visual signals, auditory signals, chemical signals, abiotic and biotic factors. Environmental...

Leaf physiology response across a disturbance gradient in a temperate deciduous forest: Implications for earth systems modeling

Light response curves were constructed in situ for 117 sapling trees (between 1 and 7 m in height) of four common tree species in a disturbed northern Michigan deciduous forest. Saplings were examined in a manipulated area (University of Michigan Biological Station’s “Forest Accelerated...

National Science Foundation
Photosynthetic rates in the purple pitcher plant, Sarracenia purpurea

We will measure the photosynthetic rates of various parts of the plant

Novel approaches to European Frogbit Detection and Management

Hybrid cattail will be harvested with different treatments along with European Frogbit. Response of both hybrid cattail and European Frogbit will be monitored.

Michigan DNR
Sarah Wofford Do the mechanisms of contest assessment differ for male and female crayfish, Orconectes rusticus?

Animals must gather information from a fluctuating environment to reduce uncertainty and make decisions directly tied to survival and reproduction. Gathering information from the environment and other organisms can reduce the risk of predation, facilitate habitat choice, and dictate persistence...

Kathryn Hofmeister Mechanisms Sustaining High Productivity in Mature Forests of Northern Michigan

One of the primary driving forces behind contemporary climate change is an increase in anthropogenic emissions of long-lived gases such as carbon dioxide (CO2), methane, and nitrous oxide. These greenhouse gases are leading to increasing mean global temperatures as well as numerous other...

Donna Hollandsworth Phytoplankton and unionid populations in inland lake of Northern Michigan

This study will determine phytoplankton biomass and unionid density, condition, and fitness in northern Michigan inland lakes with and without zebra mussels, and survey which unionids species occur naturally in each lake. Lakes where there is either historical or recent data indicating unionid...

Martin Tsz Ki Tsui Mercury isotopes and cycling in forest ecosystems

Mercury is a highly toxic metal and can be found in natural and remote ecosystems due to the long-range atmospheric transport. Mercury stable isotopes is a relatively new tool that can be used to trace mercury cycling and transformation in ecosystems. This study is aimed to better understand the...

Jennifer Uehling Effects of Climate Warming on Macrophyte Beds NSF-REU
Jennifer Douglas The effect of elevated carbon dioxide and atmospheric nitrogen deposition on constitutive and inducibilty of phenolics

The purpose of this experiment is to measure the effect of elevated carbon dioxide levels and atmospheric nitrogen deposition on the constitutive levels and inducibilty of plant defenses. These levels will reflect the levels predicted by the A1fi scenario, the levels expected by the year 2100....

Stomatal exchange of NOx and ozone, and their ambient levels throughout forest canopy

A prominent daily maximum has been documented in the early to mid-morning hours for the mixing ratios of nitrogen oxide (NO) and nitrogen dioxide (NO2) in and right above the forest canopy including the PROPHET forest site. This temporal pattern currently is not properly reproduced by models....

Nicholas Medina Effects of a decade of litter manipulation on soil carbon-dioxide effluxes from a temperate mixed-deciduous forest

Soils store more than 3 times the carbon in the atmosphere and all terrestrial vegetation. As a result, they are critical global carbon stores, the management of which will affect the long-term manifestations of global climate change impacts. Soil organic matter (SOM) correlates very strongly...

Nick Smith Temperature acclimation of leaf carbon exchange: understanding variation among species and biomes

The Earth System Models (ESMs) used to make climate projections are continually becoming more sophisticated, and now incorporate a wide range of terrestrial processes. However, some potentially important processes are still omitted because they are either poorly understood or not quantified well...

Zachary Fogel Effect of flow variation, substrate, and presence of predators on drift rates of a lotic mayfly. NSF-REU
Curtis Blankespoor Swimmer Itch Project


Formation and multiphase chemistry of organic nitrates

This project is aimed at understanding the production of organic nitrates from terpene oxidation and their impact on secondary organic aerosol formation and clouds at the PROPHET research site. Organic nitrates significantly affect the concentration of nitrogen oxides, and thus ozone on a global...

National Science Foundation
Brian van Ee Consequences of climate change on crayfish ecology and behavior.

Current projects (A1FI) have the climate of Northern Michigan rising about 8 degrees Celsius in the next 100 years. This change could have drastic effects on the local ecology and species make up of the region, in both aquatic and terrestrial habitats. Crayfish being cold blooded will be...

David Meehan Soil carbon cycling under the FASET experiment

Forest soil respiration is a major flux of carbon (C) from the biosphere to the atmosphere. On average 70% of ecosystem respiration in forests is soil respiration (Ryan and Law, 2005). Forest soil respiration is likely to undergo significant changes during ecological succession in Northern...

Brian Seok Oxidized carbon and nitrogen exchanges through seasonal snowpack at UMBS and their contribution to the annual ecosystem gas exchange budget

Snow cover significantly affects microbial activity in the soil underneath by influencing both respiration and soil nitrification and denitrification processes. My research will investigate how seasonal snowpack influences the forest ecosystem carbon and nitrogen budgets at the University of...

Diatoms of the United States

During the summer of 1979, while I was a TA in Freshwater Algae, I collected an epipelic sample from Lake Kathleen. The diatom flora was extremely rich and I have published abstracts based on this material. Additional material is needed from this lake and the surrounding systems so I can...

Measurement of Ozone Production Rates at the PROPHET site

Tropospheric ozone is an important air pollutant, harmful to human health, agricultural crops and vegetation. It is the main precursor to the atmospheric oxidants which initiate the degradation of most reactive gases emitted to the atmosphere, and is an important greenhouse gas in its own right...

Joel Heinen Assessing clear cuts for signs of deer and elk browse

I plan to assess recent clear cuts for seedlings and saplings that show signs of browsing by deer and elk. Trees will be identified and classed into height categories, and assessed for mortality/morbidity due to the effects of previous browsing.

Reinhard Lakes-Harlan Investigations of the acoustic behavior of the parasitoid fly Emblemasoma auditrix and its host Okanagana rimosa (Homoptera)

Okanagana rimosa is a common cicada in habitats in Northern Michigan including areas close to the Biological Station. Its population is severely affected by a parasitic fungus and a parasitic fly. The biology of this parasitic fly, Emblemasoma auditrix, is in focus of the research project. After...

Uncovering the direct and indirect effects of climate change on plant communities

Global changes, such as global warming, frequently reduce plant diversity and alter plant community composition. Some of these effects may be due to the direct effects of global change on individual plant taxa; however, many more of these effects may result from altered interactions with plant...

Elizabeth Wason Do Plants Make Scents in Theories of Plant Defense?

Plants respond to herbivory by evolving and inducing defenses against herbivores. Though plant defenses have been studied extensively, indirect defenses have not been incorporated into theories of plant defense. Volatile organic chemicals (VOCs) are gases which can be emitted by vegetation....

Kelly Houseal Do carbon-based and nitrogen-based plant chemical defenses respond differently to rising atmospheric CO2 levels? A test with tomato, phenolics, alkaloids, and protease inhibitors

For most plants, growth under elevated CO2 results in increased biomass since photosynthesis rates are increased; however, this increase is accompanied by a decrease in leaf percent nitrogen and an increase in C:N ratio. Therefore, in the future, plants may have less nitrogen available for...

Kristi Judd Use of GC with ECD for N2O measurement

I am bringing sample vials to run for N2O analysis. Samples are from wetland sediments denitrification assays.

Kathryn Bergh The effect of forest disturbance on volatile organic compounds in eastern white pine (Pinus strobus)

In the coming decades, the forests of the Upper Great Lakes region are expected to experience disturbances that are primarily anthropogenic in origin and only affect certain species or a portion of the canopy. The Forest Accelerated Succession Experiment (FASET) mimics this type of disturbance...

Novel approaches to European Frogbit Detection and Management

Harvesting hybrid cattail and European frogbit to determine the most effective way to control European Frogbit. Vegetation will be monitored in all treatments.

MI Invasive Species Grant Program
Moderage Dayani Waas Assessment of pollutant exposure of University of Michigan Biological Station forests in 2007

The chemical composition of the air is determined by the extent of compounds emitted, meteorological conditions, chemical transformations, and physical loss processes amongst compounds. At UMBS air masses primarily come from the north/northwest, south/southwest, east/southeast, west, and...

Shannon Pelini Direct and indirect effects of predation and warming on herbivory and ecosystem processes

Global-average surface temperatures and climate variability are predicted to increase and there is the potential for a positive feedback between atmospheric carbon dioxide and warming. Our ability to make this determination is crippled by our lack of understanding of the conjoined effects of...

Philip Stevens Measurements of HOx radical chemistry in a forest environment

The hydroxyl radical (OH) and peroxy radicals, both the hydroperoxy (HO2) and organic peroxy radicals (RO2) play a central role in the chemistry of the atmosphere. In addition to controlling the lifetimes of many trace gases important to issues of global climate change, OH radical reactions...

National Science Foundation
Katelyn Geiger The Effects of Dissolved Oxygen Concentrations of Crayfish Foraging Behavior

Humans have changed the demographics of the earth through increased CO2 which has lead to an overall increase in temperature of the earth. The increase in atmospheric temperature is expected to lead to an increase in aquatic temperature. Warmer water temperatures are predicted to pose a threat...

Coarse Woody Debris Stocks and Decomposition Rates in a North Temperate Forest.


National Science Foundation
Michael Penskar Statewide Status Assessment of the Mimulus michiganensis (Michigan monkey-flower)

The purpose of this project is to evalutate the rangewide status of the state endemic and federal and state endangered Mimulus michiganensis through methodical inventory of the 19 known extant occurrences in Benzie, Charlevoix, Cheboygan, Emmet, Leelanau, and Mackinac counties. Acquiring more...

Troy Keller Local adaptations to flow: investigating how flow conditions in streams and lakes influence chemically-mediated search behavior in crayfish

For large mobile organisms (>1 cm) the fluid environment (e.g., air or water) varies over time and across space. This is particularly well-documented for organisms living in freshwater aquatic systems. Streams and rivers serve as a useful example since they both show highly variable...

Mengxue Xia Soil carbon cycling under chronic N addition

Significant soil carbon accumulation (about 10 %) under the anthropogenic N deposition has been observed in our 16-year-long field experiment. This project will mainly focus on the physiological processes underlying this response of soil carbon under the chronic N addition. Several hypotheses...

Department of Energy
National Science Foundation
Nene Ugbah The Influence of Environmental Variation on Predator Efficacy and Selectivity in Pantala and Sympetrum Larvae

The impacts of human activity on climate change are becoming increasingly evident with the rapid change of ecological systems around the world. These deviations (e.g. the disruption of physiological processes; fluctuations in habitat size, connectivity and structure; and influences on species...

Columbia University
Threat assessment and mitigation in fresh water dune landscapes: Pitcher’s thistle, invasive plants, and control of biocontrol weevils

The Laurentian Great Lakes basin houses the world’s largest concentration of freshwater dunes; these dunes in turn support more endemics than any other part of the basin. This 765,000 km2 basin is a living laboratory of natural resources reflecting Pleistocene glacial activity, which results in...

PROPHET - CABINEX : Atmospheric Chemistry Impacts of Coupled Forest Succession and Climate Change

Much has been learned over the last two decades about the impact of biogenic volatile organic compound (BVOC) emissions on atmospheric photochemistry and on aerosol loading. It is becoming clear that many basic tropospheric processes are altered by proximity to forest canopies, which are large...

Anna Harrison Hydrologic alterations in contaminated streams and the influence of the hyporheic zone in contaminant bioavailability

As the effects of climate change and watershed development compound upon aquatic ecosystems, biotic communities are forced to persist under altered flow regimes or perish. This research aims to explore how altered flows may impact benthic organisms, specifically in areas with contaminated...

A sustainable approach for restoring wetland biodiversity

We are examining the plant community response to biomass-removal restoration approaches conducted in Typha x glauca invaded wetland ecosystems; exploring the renewable energy production potential of utilizing restoration-harvested invasive species biomass; and modeling the economics of this...

Nicole Dear Assessing Understory Plant Growth in Response to Changing Light and Nitrogen Availability Associated with Northern Temperate Forest Succession

Understanding understory plant competition is vital in understanding forest succession and future forest composition. Competition varies over space and time depending on limiting factors and available resources. Successional disturbances affect competition, as these disturbances cause shifts in...

Mark Shields Genetics of a female-specific color polymorphism in the damselfly Enallagma hageni

Polymorphisms offer a great insight into our knowledge of evolutionary ecology. Many species of Odonates have a female-specific color polymorphism. The genetics of these polymorphisms has been demonstrated in only four species of Odonates. My research will use cross breeding to see if Enallagma...

University of Oklahoma
Rebecka Brasso Identifying Sources and Degradation Mechanisms of Methylmercury in Temperate Forest Ecosystems

Mercury (Hg) is a global atmospheric pollutant that has been deposited into virtually all ecosystems on the Earth. Methylmercury (MeHg), the most toxic form of Hg, can strongly bioaccumulate and biomagnify in food webs, posing a serious threat to natural populations of wildlife. Production and...

expert Packers And movers In Noida

We are providing good packers and movers services provider in Noida after check the quality, relevance, and customers satisfaction. So you can trust on them.

Population demography and plant-pollinator interactions of a federally threatened thistle, Cirsium pitcheri

Conservation of plant populations requires a focus not only on the target plant species but the pollinator community as well. Both insects and plants will experience shifts in distributions in response to climate change. These changes, however, will not occur at the same rate, causing a “...

Fabien Kenig Lacustrine record

The by-production of contaminants by industry since the mid 19th century led to accumulation of toxic compounds in lake sediments. Lake sediments will contain a record of the advent, use history, and effects of conditional restrictions of these contaminants. Investigations have shown that the...

MCubed - Methane, Ethane, and Aerosols at PROPHET

With importance to both climate change and air quality, the proposed effort will augment the Program for Research on Oxidants: Photochemistry, Emissions, and Transport (PROPHET) at UMBS. PROPHET is well-suited for studies of forest-atmosphere interactions and the influence of transported urban...

University of Michigan MCubed
Give Protection to Your Residence Items via Powerful Relocating Service Provider

It is crucial anyone load up your own important everything with the aid of distinctive product packaging items. A few of the packaging resources usually are: papers, jar beers, muscle reports, bubble wrappers, fevicol together with pouches. More, it's also advisable to understand beforehand...

Kendall Simon Breeding Bald Eagle Home-Range and Habitat Use

Studying home-range and habitat use through cellular telemetry, with a secondary goal of monitoring year-round movements and habitat use.

BIA Circle of Flight-Great Lakes Restoration Initiative (Little Traverse Bay Bands of Odawa Indians)
Paul Moore Investigating the impact space of predators

Prey use the information extracted from sensory stimuli (i.e., visual, mechanical, and chemical) emanating from a predator to make behavioral decisions and drive physiological and morphological changes. To create a more complete picture of NCEs and trophic cascades, future research needs to...


The Program for Research on Oxidants: PHotochemistry, Emissions, and Transport (PROPHET) was created in 1996, as a coordinated research effort aimed at investigation of the relationships between atmospheric odd nitrogen, ozone, and forest-atmosphere interactions. The motivating science...

Paul Shepson Night-time chemistry - volatile organic carbon emission and ozone production

Looking at nigh-time chemistry including volatile organic carbon emission and ozone production.

Eric Hellquist Floristic inventory of the Little Traverse Conservancy Bessey Creek Nature Preserve, Douglas Lake

In 2011, the Field Botany of Northern Michigan class conducted an initial floristic study of the Bessey Creek Nature Preserve (BCNP) in Cheboygan County, MI. BCNP is owned by the Little Traverse Conservancy (Harbor Springs, MI). The site is located at the mouth of Bessey Creek where it enters...

Mac Callaham Soil and litter dwelling macroinvertebrates near litter application plots

In association with ongoing research at UMBS, we will sample soil and litter dwelling macroinvertebrates near litter application plots for EBIS/AmeriFlux plots (Project overseen by Paul Hanson, Oak Ridge National Lab). At each EBIS/Ameriflux litter application site, we will sort 2 leaf litter...

DOE - Oak Ridge National Lab
Recruitment dynamics of tree species

The higher temperatures and carbon dioxide concentrations associated with climate change will alter growing conditions for plants. Although a variety of species and community responses have been predicted, one of the most widely expected results is a shift in species ranges as plants expand...

National Science Foundation
Increasing biodiversity and habitat complexity in invaded wetlands

Biodiversity and ecological functions in species-rich Great Lakes coastal wetlands are threatened by aggressive invasive cattails, Typha spp. Presently, invasive cattails are the most common, spreading, and ecologically detrimental aquatic invasive plant in the St. Marys River, Les Cheneaux...

Kathryn Frederick When the Wild Strawberries are in Bloom: Food Caching in Northern Michigan

Recreated traditional cache pits from the Late Woodland Period in an effort to better understand the pits that surround Douglas Lake and the people that once used them. I created an accurate scenario of ancient food caching, with an end result of crop viability after a winter of caching. I...

University of Michigan Biological Station
Jaclyn Inkster The antagonistic and mutualistic plant-insect interactions of the Pitcher’s thistle, a threatened Great Lakes shoreline endemic

Cirsium pitcheri, (Asteraceae) the Pitcher’s thistle, is a federally threatened Great Lakes shoreline endemic plant. This herbaceous perennial has no means of vegetative reproduction, relying solely on seed set for population persistence. Populations of Pitcher’s thistle...

USFWS, Great Lakes Restoration Initiative
Amanda Browne The threat of cleaning up the problem: how restored habitats and increasing proportions of invasive crayfish are impacting ecosystem structuring

The increasing expansion of the rusty crayfish, Orconectes rusticus, beyond its native range threatens to displace the native species, Orconectes virilis, and disrupt the community structure of the invaded ecosystem. Given their larger body size, more aggressive behaviors, and...

Shannon Pelini A temperature-driven shift in soil detritivore community dynamics could hold significant consequences for carbon flux and nutrient cycling in temperate forest ecosystems

Elevated temperature caused by anthropogenic greenhouse gas emissions may exacerbate climate change via a positive feedback from increased carbon dioxide (CO2) released as a product of soil microbial respiration [1]. Soil invertebrates (earthworms, insects, millipedes, etc.) directly and...

Geographical distribution of mercury along the Madre de Dios river, Peru

Investigates the distribution of mercury through examination of sediments, human hair and fish tissue samples along the Madre de Dios river in the Madre de Dios region of Peru.

Paul Webb The role of flow and growth form in the organization of freshwater marsh communities

Most aquatic environments experience flows of some sort. Water flow defines riverine systems, but wind and human-created currents are also major features of ponds and lakes. Margins of all aquatic systems are common locations for marshes, systems that provide some of the most diverse and...

Lin Lin Scientific illustration handbook for woody plant

With the knowledge I have learned from field botany and my drawing experience, I plan to make a handbook which can differentiate similar species by hand sketch illustration.

Philip Stevens Total Peroxy Radicals

ROx radicals, comprising OH, HO2, and organic peroxy radicals ("RO2"), are key trace species in the atmosphere that greatly affect the oxidation of volatile organic compounds and the formation of ozone and secondary organic aerosol (both of which affect public health and climate change). Current...

Mark Flanner CAREER: Linking cryospheric processes across scales to model non-linear albedo feedback

Intellectual Merit and Objectives: Earth’s cryosphere holds large capacity to alter planetary reflectance and surface temperature through albedo feedback, partially explaining the high sensitivity of Arctic climate. Albedo feedback, however, is actually composed of multiple mechanisms...

National Science Foundation
Michigan Gradient Study - Atmospheric Nitrogen Deposition and Microbial Mechanisms Enhancing Soil Carbon Storage

Human activity has globally increased the amount of nitrogen (N) entering ecosystems, which could foster higher rates of C sequestration in the N-limited forests of the Northern Hemisphere.  Presently, these ecosystems are a large global sink for atmospheric CO2, the magnitude of which...

Department of Energy
Paul Drevnick Distance based mercury contamination in association to artisanal gold mining in Zimbabwe

The use of mercury in mining to extract precious metals is known to create a multitude of negative ramifications. In developed countries mercury has been largely removed from large scale mining processes; however, in poorer countries such as Zimbabwe, the practice has remained in small-scale and...

Clarisse Betancourt Hyphae response to higher and lower N availability in soils

Following experimental girdling of early successional aspen and birch trees at the University of Michigan Biological Station (UMBS) soil nutrient measurements have indicated that girdled plots show higher levels of nitrogen availability than un-girdled (control) plots. Understanding how soil...

Ulrich Reinhardt Selective sea lamprey barriers

The research tests new barriers against invasive sea lampreys during their spawning migration. An eel ladder style trap and a smooth ramp are tested to explore if in combination they can pass native fish species, but block adult sea lampreys.

Great Lakes Fisheries Commission
Ecological Implications of behavioral syndromes in crayfish

The concept of behavioral syndromes coined by Andy Sih states that animals that consistently display a certain personality or behavioral type over a variety of contexts are displaying a behavioral syndrome. The behavioral syndrome focused in this study is that of boldness and shyness, defined...

Vincent Denef Effects of zebra mussel invasion on freshwater lake bacterioplankton communities

The main objective of this study is to elucidate how zebra mussel (Dreissena polymorpha) invasion shapes the biotic interactions controlling freshwater bacterioplankton community composition and function. In ecological theory, these biotic interactions are generally divided into top-down (...

Increasing biodiversity and habitat complexity in invaded wetlands

Large Hybrid Cattail plots will be treated with different restoration techniques and response of plant will be monitored.

USEPA Great Lakes Program Office
Formaldehyde Measurements for PROPHET 2016

We will perform formaldehyde (HCHO) measurements at the PROPHET research tower. Research objectives include measurements of HCHO fluxes using Eddy Covariance as well as characterization of HCHO gradients in the forest canopy.

Paul Moore Ecotoxicology of aquatic crustaceans

Many different anthropogenic compounds are introduced into the rivers and lakes surrounding places of human activity (farming, cities, factories). We are running a series of projects designed to understand the distribution of these compounds within rivers and lakes and their impacts on the...

Meghan Howey The Cultural Landscapes of Douglas Lake Archaeological Research Project (CLOD)

The Cultural Landscapes of Douglas Lake Archaeological Research Program (CLOD) expands ongoing research on Late Prehistoric (AD 1200-1600) Native American occupation around Douglas Lake in Northern Michigan. It is a joint effort between the University of New Hampshire and the University of...

Gretchen Keppel-Aleks Tower-based observations of solar induced fluorescence

Solar induced fluorescence (SIF) scales with photosynthesis rates and is observable using remote sensing techniques. Global observations of SIF are available from several satellites, but a rigorous calibration chain for these observations has yet to be established. We will use grating...

Francesca Cuthbert Piping Plover Research Program

The Great Lakes piping plover population was listed as federally endangered in 1986. Despite recent increases in size, the population remains extremely vulnerable to extinction from predation, demographic and environmental stochasticity and continued shoreline development and public recreation...

Michigan DNR
Kathryn Knackstedt River Ice Nucleating Particles

Little is known about the occurrence of ice nucleating particles in rivers. We will use the Stream lab to alter flow rates and waterfall heights to see what effect these parameters have on the aerosolisation of these particles

Bowling Green State University
Paul Moore The hierarchical role of various sensory modalities in crayfish contests

Animals must gather information from a fluctuating environment to reduce uncertainty and make decisions directly tied to survival and reproduction. For species that engage in agonistic contests over resources, information gained during contests can be used to make decisions about costly...

Organismal Collections and Observations Digitization, Management, and Discovery at the University of Michigan Biological Station

Biological collections have increasing value in natural sciences and for more than one hundred years the students, faculty, and researchers at the University of Michigan Biological Station (UMBS) have made significant observations and collections of the diverse biota of Northern Michigan. These...

University of Michigan NINI
University of Michigan NINI
Pavla Urbankova Diversity of the diatom genus Frustulia

Project aims to explore diversity and biogeography of the species from the diatom genus Frustulia. Species identification and delimitation uses integrative taxonomical approach, which combines molecular data, traditional and geometric morphometrics, and ecology inferred from in situ measurement...

Harvesting Invasive Cattail as a Management Solution at Cheboygan Marsh

Harvesting invasive cattail is a management solution that can promote plant biodiversity and alter soil and water chemistry and physical properties. Using test plots established in 2011-12 at Cheboygan Marsh, I worked with fellow undergraduate students Olivia Johnson and Samantha Keyport to...

Ana Jurcak The effect of different predator hunting modes on prey behavior

The goal of this study is to understand the non-consumptive effects that different hunting modes will have on prey. Hunting modes impact the duration and frequency that prey are exposed to stimuli associated with predator presence. A hunting mode, such as ambush predation, will expose prey to a...