To make it easier to find an appropriate session, we have grouped them below by topical area. We encourage authors to submit abstracts for specific session topics but also will consider those submitted under "General Contributions." The program will be designed so that sessions within a topical area will not run concurrently. The ordering of topical areas and of sessions within topical areas is arbitrary.

Aquatic Nuisance Species: Sessions 1-5

Session 1. New Perspectives and Techniques for Non-native Species Risk, Monitoring and Management

Chaired by Stephen Hensler, Meg Modley, Eric Holmlund and James Boase

Stephen Hensler, USFWS Alpena Fish and Wildlife Conservation Office-Waterford Substation, 7806 Gale Rd., Waterford, MI 48327; Phone: (248) 891-6433; E-mail:

Meg Modley, Lake Champlain Basin Program, 54 West Shore Rd., Grand Isle, VT 05458; Phone: (802) 372-3213; E-mail:

Eric Holmlund, ADK Watershed Institute, P.O. Box 265, Paul Smiths, NY 12970; Phone: (518) 327-6341; E-mail:

James Boase, USFWS Alpena Fish and Wildlife Conservation Office-Waterford Substation, 7806 Gale Rd., Waterford, MI 48237; Phone: (248) 894-7594; E-mail:

Non-native aquatic species continue to have global ecological and economic impacts. With increased globalization of commerce and ever changing scenarios by which species can be introduced, scientists and managers must adapt approaches to best account for non-native species threats and impacts. This session focuses on the latest tools and techniques driving risk assessment, monitoring, and management of non-native aquatic species. Presentations will cover topics such as species- and vector-based risk; early detection methods, technologies and monitoring; species spread prevention; and integrated management.

Session 2. Ballast Water Treatment to Prevent Aquatic Invasive Species

Chaired by Jeff Henquinet

Jeff Henquinet, PO Box 808, Houghton, MI 49931; Phone: (906) 281-2002; E-mail:

This session focuses on development of new technologies and related policies to prevent invasions and spread of AIS through the ballast vector.

Session 3. Invasive Species Pathways

Chaired by Meg Modley

Meg Modley, 54 West Shore Rd., Grand Isle, VT 05458; Phone: (802) 372-3213; Fax: (802) 372-3233; E-mail:

This session will be focused on talks that address significant AIS transport pathways in the Great Lakes and Lake Champlain regions. Presentations will highlight management and spread prevention projects targeted at pathways such as canal ways, internet trade, overland transport, and ballast water.

Session 4. Sea Lamprey Control and Alternatives to Lampricides

Chaired by Martin Mimeault and Bradley A. Young

Martin Mimeault, 201, place Charles-Le Moyne, 2e, Longueuil, QC J4K 2T5; Phone: (450) 928-7607, Ext. 323; E-mail:

Bradley A. Young, 11 Lincoln St., Essex Junction, VT 05452; Phone: (802) 872-0629, Ext. 19; E-mail: Bradley_Young@FWS.GOV.

Since the 1990s, the Vermont Fish and Wildlife Department (VTFWD) conducts a program of sea lamprey control in several tributaries of Lake Champlain. The objective is to protect sport fish (trout, salmon, walleye) against injuries and deaths inflicted by the lamprey. The main mode of control used is a chemical treatment with a lampricide, TFM. This pesticide is applied in water tributaries of Lake Champlain during the fall to kill young lamprey larvae. Fifteen tributaries of Lake Champlain are treated in rotation every four years. After a first TFM treatment in the Missisquoi River in 2008, the United States Fish and Wildlife Service (USFWS), now in charge of the control program of sea lamprey in Vermont has a new TFM treatment in the Missisquoi River in fall 2012. The MDDELCC transmit for several years with the American authorities its interest in alternatives to the use of lampricides be used to control lamprey in tributaries of Missisquoi Bay. The MDDELCC intends to hold an information workshop in collaboration with the Lake Champlain Basin Program (LCBP), consisting of American and Canadian specialists on alternative methods to the use of TFM. A session at the annual conference will offer a nice occassion to achieve this goal

Session 5. Invasive Mussels: Informing a New Collaborative for Great Lakes Managers and Scientists

Chaired by David Bunnell and Ashley Baldridge

David Bunnell, USGS Great Lakes Science Center, 1451 Green Rd., Ann Arbor, MI 48105; Phone: (734) 214-9324; E-mail:

Ashley Baldridge, NOAA Great Lakes Environmental Research Laboratory, Ann Arbor, MI 48108; Phone: (734) 741-2216; E-mail:

Invasive dreissenid mussels have disrupted several aspects of ecosystem function in four of the five Great Lakes where they are abundant. To encourage collaboration and communication surrounding management and research of invasive mussels, four agencies (GLC, GLFC, USGS, NOAA) recently initiated the Invasive Mussels Collaborative. Our goal in this symposium is to assemble talks that provide 1) results of research seeking to close knowledge gaps (i.e., life history, ecosystem effects) associated with dreissenid mussels, 2) description of management outcomes relevant to dreissenid mussels, and 3) results of research seeking to develop control tools for dreissenid mussels, including Zequanox (which has been approved by the U.S. EPA for open-water applications). The symposium will conclude with a panel seeking to determine high priority research needs that match management outcomes for control of dreissenid mussels.

Contaminants: Sessions 6-11

Session 6. Environmental Chemistry, Discoveries and Biotic Effects of Chemicals of Emerging Concern

Chaired by Elizabeth Murphy, James Pagano, Daryl McGoldrick and Ted Smith

Elizabeth Murphy, 77 W. Jackson Blvd., Chicago, IL 60604; Phone: (312) 353-4227; E-mail:

James Pagano, 310D Piez Hall, SUNY Oswego, Oswego, NY 13126; Phone: (315) 312-2810; Fax: (315) 312-5346; E-mail:

Daryl McGoldrick, 867 Lakeshore Rd., Environment Canada, Burlington, ON L7R 4A6; Phone: (905) 336-4685; Fax: (905) 336-4609; E-mail:

Ted Smith, 77 W. Jackson Blvd., US Environmental Protection Agency, Chicago, IL 60604; Phone: (312) 353-6571; Fax: (312) 408-2261; E-mail:

Over the last several years, there has been a considerable focus on contaminants of emerging concern (CECs). The scientific community has invested substantial time and resources to better understand the complexity and burdens of chemical contaminants in environmental compartments of the Great Lakes basin and ecosystems. Monitoring and research programs based in the USA and Canada have made great strides identifying past and present anthropogenic substances and/or their degradation products that are persistent, bioaccumulate, and/or are toxic. Furthermore, with increasing knowledge of what defines the "chemical cocktail" present in air, water and biota, variable mixture exposures and environmental conditions can lead to changes in chemical stresses, effects and toxicities in exposed organisms. The session will showcase CECs in all of the Great Lakes environmental compartments including; air, water, sediment and biota. This session will also provide a comprehensive and integrated picture of both legacy chemicals (e.g., polychlorinated biphenyls and mercury), which are often prevalent and found at high concentrations in most media, as well as CECs supporting priorities in Annex 3 of the Great Lakes Water Quality Agreement (2012) and the Toxic Substances and Areas of Concern Focus Area of the Great Lakes Restoration Initiative.

Session 7. Plastic Pollution within the Great Lakes Ecosystem

Chaired by Sherri "Sam" Mason

Sherri "Sam" Mason, 280 Central Ave., Science Complex 340, Fredonia, NY 14063; Phone: (716) 673-3292; E-mail:

Awareness of plastic pollution, while well-documented within the world's oceans, is just emerging as a contaminant of concern within freshwater ecosystems. This session will focus on plastic pollution as an emerging contaminant within the Great Lakes Ecosystem, including its beaches, open-waters and sediment.

Session 8. Ecological Hazard Assessments of Legacy and Emerging Contaminants in the Great Lakes

Chaired by Jo Banda and Vicki Blazer

Jo Banda, 4625 Morse Rd., Ste. 104, Columbus, OH 43230; Phone: (614) 416-8993, Ext. 19; Fax: (614) 416-8994; E-mail:

Vicki Blazer, 11649 Leetown Rd., Kearneysville, WV 25430; Phone: (304) 724-4434; Fax: (304) 724-4435; E-mail:

Throughout the Great Lakes watershed both legacy and emerging toxic substances have been detected. This session will address the distribution, toxicity, and adverse biological effects of these chemicals and chemical mixtures at various organizational levels (e.g. molecular, tissue, individual, population). Indicators, including biomarkers of exposure to endocrine disruptors and risk factors for observed neoplasms, will be discussed.

Session 9. Chemical Substance Assessment Methodologies and Practices

Chaired by Dale Phenicie

Dale Phenicie, 402 Lighthouse Lane, Peachtree City, GA 30269; Phone: (770) 487-7585; Fax: (770) 631-7729; E-mail:

New methodologies and practices for assessing potential for human health and ecosystem impacts from chemical substances have been put in place. This session will report on work conducted by industry, Canadian and U.S. government agencies, provincial and state governments. The applicability of these to the Great Lakes region will be presented a focus of the session

Session 10. When can we eat the fish?

Chaired by Judith Perlinger, Thomas Holsen, Hugh Gorman and Noel Urban

Judith Perlinger, Michigan Technological University, Houghton, MI 49931; Phone: (906) 487-3641; E-mail:

Thomas Holsen, Center for Air Resources Engineering and Science, Clarkson University, Potsdam, MI 13699; Phone: (315) 268-3851; E-mail:

Hugh Gorman, Michigan Technological University, Houghton, MI 49931; Phone: (906) 487-2116; E-mail:

Noel Urban, Michigan Technological University, Houghton, MI 49931; Phone: (906) 487-3640; E-mail:

The conventional view is that many airborne toxics are slowly decreasing in the water, sediments and fish of the Great Lakes, and therefore existing policies are adequate. However, new analytical tools reveal new toxicants of concern, and some analyses of legacy contaminants reveal decreasing rates of decline or even increases. Often lost in the discussion is any assessment of how close (or far) we are to desirable endpoints. This session seeks to blend the latest data analyses (including uncertainty estimates), and the newest analytical tools applied to bioaccumulative contaminants with human epidemiological studies and policy analyses to present a picture of when it will be possible to safely consume Great Lakes fish as desired.

Session 11. Contaminants in the Lower Trophic Levels of the Great Lakes

Chaired by Jacob Ogorek

Jacob Ogorek, 8505 Research Way, Middleton, WI 53562; Phone: (608) 821-3819; Fax: (608) 821-3817; E-mail:

The focus of this session would be organic and inorganic contaminants in lower trophic levels (benthos, plankton, particulate matter, and forage fish) of the Great Lakes and associated tributaries. The session would be designed such that data describing contaminant concentrations, chemical processes, bioaccumulation, cycling, and sources would be presented. Our group also intends on presenting a new tool to environmental mercury research: high resolution isotope ratio measurements using a multicollector ICP-MS, and that enables new insights on mercury sources and processes in the Great Lakes.

Data Management and Modelling: Sessions 12-18

Session 12. Big Lakes, Big Opportunities: Using Complex Data to Understand Environmental Change in Great Lakes of the World

Chaired by Yaoyang Xu, Sigrid Smith and Kara Woo

Yaoyang Xu, 23 Mansfield Ave., 3 College St., Burlington, VT 88001; Phone: (802) 373-1688; E-mail:

Sigrid Smith, 440 Church St., School of Natural Resources and Environment, University of Michigan, Ann Arbor, MI 48109; Phone: (770) 362-4788; E-mail:

Kara Woo, Albrook Building, WRC and CEREO Dept. room 202b, Washington State University, Pullman, WA 99163; Phone: (443) 257-4541; E-mail:

We propose a session exploring different ideas, tools, and approaches to understand the patterns and processes of great lake ecosystems under environmental change. This session will examine new analytical tools to detect patterns and summarize trends in traditional observational, satellite-based, and sensor datasets. Additionally, this session will highlight potential solutions to common challenges with integrating and managing disparate datasets in multi-investigator, multi-institution, and multi-disciplinary team synthesis projects. We will include examples of datasets that are large, diverse, and complex in many ways, including multi-dimensional, long-term, and high-resolution data. As the idea of big data is currently emerging in many fields, we have a major opportunity to set the course for the study of large lakes toward a multidisciplinary, collaborative and data-intensive science.

Session 13. Data and Science Priorities for Managing Water Use in the Great Lakes-St. Lawrence River

Chaired by Jim Nicholas

Jim Nicholas, 20 N. Wacker Dr., Ste. 2700, Chicago, IL 60606; Phone: (312) 407-0177; E-mail:

In December 2005, the eight Great Lakes States, Ontario and Québec signed the Great Lakes-St. Lawrence River Basin Sustainable Water Resources Agreement. The Agreement provides a framework for managing water use from the Basin, spells out commitments to strengthen the scientific basis for decision making, and requires the periodic assessment of cumulative water use impacts to inform adaptive management. This session will focus on data and scientific priorities for managing water use in the Basin and the continued, effective implementation of the Agreement.

Session 14. Long-Term Monitoring: Achievements and Challenges

Chaired by Alexander Karatayev, Lars Rudstam, Lyubov Burlakova and James Watkins

Alexander Karatayev, Great Lakes Center, SUNY Buffalo State, 1300 Elmwood Ave., Buffalo, NY 14222; Phone: (716) 878-5423; Fax: (716) 878-6644; E-mail:

Lars Rudstam, Cornell University, Department of Natural Resources, Fernow Hall 111, Ithaca, NY 14850; Phone: (315) 633-9243; E-mail:

Lyubov Burlakova, Great Lakes Center, SUNY Buffalo State, 1300 Elmwood Ave., Buffalo, NY 14222; Phone: (716) 878-4504; Fax: (716) 878-6644; E-mail:

James Watkins, Cornell University, Cornell Biological Field Station, 900 Shackelton Point Rd., Bridgeport, NY (315) 633-9243; Phone: (315) 633-9243; E-mail:

Aquatic ecosystems worldwide are affected by various types of human activities, effects that can result in declines in their ecosystem service including water quality, fishery and recreational potential. At the same time watersheds of large lakes are often densely populated with substantial economic activity dependent on these lakes. Long-term monitoring is essential to understand the effects of these activities, especially in large lakes with long turn-over time. Long-term monitoring produces up-to-date information on water quality and other ecosystem services within the context of decadal or longer timer series, data necessary to separate short time changes from long term trends. Although the importance of long-term monitoring is widely recognized, the challenges that we are facing include: • how to differentiate long-term changes from natural spatiotemporal variation; • how to synchronize methods and share results among different organizations involved in the monitoring; • how to combine new measuring systems with traditional sampling techniques and maintain the usefulness of the historic data set We invite talks on the issues associated with development and maintenance of these data series as well as on the use of long-term data series for understanding ecosystem changes in large lakes of the world.

Session 15. Eyes On Our Lakes: Sharing Observations Effectively

Chaired by Kelli Paige and Tad Slawecki

Kelli Paige, 229 Nickels Arcade, Ann Arbor, MI 48104; Phone: (734) 332-6113; E-mail:

Tad Slawecki, 501 Avis Dr., Ann Arbor, MI 48108; Phone: (734) 332-1200; E-mail:

A wide range of agencies and institutions collect and publish data that characterize the Great Lakes' present and future. Case studies are solicited that demonstrate effective data flows for disseminating useful data to scientists, managers and the general public, or that present examples of datasets and/or data flows supporting resource management decision-making.

Session 16. Advances in Technology for Lower Trophic Studies and Implications up the Foodweb

Chaired by Kevin Keeler, Patricia Armenio, Paris Collingsworth, Harry Nelson, Euan Reavie and Michael Cohrs

Kevin Keeler, 1451 Green Rd., Ann Arbor, MI 48105; Phone: (734) 214-4237; E-mail:

Patricia Armenio, 1451 Green Rd., Ann Arbor, MI 48105; Phone: (734) 214-7220; E-mail:

Paris Collingsworth, 1101 W. Peabody Drive, 374 National Soybean Research Center, MC-635, Urbana, IL 61801; Phone: (312) 886-7449; E-mail:

Harry Nelson, Fluid Imaging Technologies, Scarborough, ME 04074; Phone: (207) 289-3200; E-mail:

Euan Reavie, Center for water and the Enviornment, University of Minnesota, Duluth, MN 55731; Phone: (218) 235-2184; E-mail:

Michael Cohrs, Fluid Imaging Technologies, 200 Enterprise Dr., Scarborough, ME 04074; Phone: (207) 289-3200; E-mail:

Analysis within lower trophic studies have typically been laborious, requiring extensive expertise, as well as having limitations of extrapolating small scale studies to the broader scale of large systems. However, new technologies, modeling, monitoring, and analytical tools are now improving efficiency that allows for faster and even, at times, instantaneous data updates. The focus of our session would be to examine new instruments and methods that are being used in lower trophic studies, as well as the applicability to issues at larger food-web levels. We encourage presenters to examine the benefits and limitations of such research and to discuss what methods and protocols work - and do not work - to assure quality data.

Session 17. Understanding lake-climate interactions across broad spatial scales: Observations, models, and research networks

Chaired by John Lenters, Peter Blanken, Christopher Spence, Branko Kerkez, Norma Froelich, Pengfei Xue, Drew Gronewold and Jay Austin

John Lenters, 501 Avis Dr., Ann Arbor, MI 48108; Phone: (402) 304-0166; E-mail:

Peter Blanken, University of Colorado-Boulder, Boulder, CO 80309; Phone: (303) 492-8310; E-mail: Blanken@Colorado.EDU.

Christopher Spence, Environment Canada, Saskatoon, SK S7H 1A1; Phone: (306) 975-6907; E-mail: Chris.Spence@EC.GC.CA.

Branko Kerkez, University of Michigan, Ann Arbor, MI 48105; Phone: (734) 647-0727; E-mail:

Norma Froelich, Northern Michigan University, Marquette, MI 49855; Phone: (906) 227-1891; E-mail:

Pengfei Xue, Michigan Technological University, Houghton, MI 49931; Phone: (906) 487-1837; E-mail:

Drew Gronewold, NOAA Great Lakes Environmental Research Laboratory, Ann Arbor, MI 48108; Phone: (734) 741-2444; E-mail:

Jay Austin, University of Minnesota-Duluth, Duluth, MN 55812; Phone: (218) 726-8773; E-mail:

Large lakes and lake-dominated landscapes play an important role in the regional climate, hydrology, and carbon balance of surrounding watersheds, as well as the societies that depend on lakes for their livelihood. Progress in large-lake hydrometeorology and related studies of lake-dominated landscapes, however, has often been hindered by logistical constraints imposed by the sheer size of the lakes and their watersheds, as well as comparatively limited funding for freshwater landscapes that fall somewhere between "oceans” and "small lakes" (or even “wetlands”). In this session, we encourage presentations that address some of these gaps and challenges by discussing advances in observations and modeling of lake-climate interactions across broad spatial scales, including hydrologic impacts, gas fluxes, water/energy/carbon balance, and effects of climate variability and change. Of particular interest are insights that have been gleaned from large-scale network science, such as the Great Lakes Observing System (GLOS), Global Lake Ecological Observatory Network (GLEON), Great Lakes Evaporation Network (GLEN), and Global Lake Temperature Collaboration (GLTC).

Session 18. Advances in Hydrological Modelling for Operational Forecasting of Lake Levels

Chaired by Vincent Fortin, Andrew D. Gronewold, Etienne Gaborit, Lauren Fry, Catherine Riseng and Lacey Mason

Vincent Fortin, Environment Canada, Dorval, QC H9P1J3; Phone: (514) 546-0724; E-mail:

Andrew D. Gronewold, NOAA Great Lakes Environmental Research Laboratory, Ann Arbor, MI 48108; Phone: (734) 741-2444; E-mail:

Etienne Gaborit, Environment Canada, Dorval, QC H9P 1J3; Phone: (418) 572-2109; E-mail:

Lauren Fry, CILER, Ann Arbor, MI 48108; Phone: (734) 741-2217; E-mail:

Catherine Riseng, University of Michigan, Ann Arbor, MI 48104; Phone: (734) 936-3622; E-mail:

Lacey Mason, University of Michigan, Ann Arbor, MI 48104; Phone: (734) 663-3554; E-mail:

Watersheds which include large lakes present unique challenges from a hydrological modelling and forecasting perspective, as many hydrological models do not even include any lake processes. Furthermore, these watersheds are often trans-boundary which causes additional difficulties in terms of data sharing and coordination. This situation has led to the development of specific hydrological models and infrastructure to forecast water levels, with the consequence that these specialized tools are not in widespread use amongst research hydrologists, are not necessarily shared between countries, and hence have been developing at a slower pace. This session aims at identifying models, modelling infrastructures and databases which can support operational lake level forecasting applications while benefiting from, and contributing to, scientific and technological advances in the general area of hydro-meteorological forecasting.

Innovative Approaches to Science, Education, and Outreach: Sessions 19-24

Session 19. Great Lakes Education and Outreach

Chaired by Helen Domske

Helen Domske, 228 Jarvis Hall, SUNY Buffalo, Buffalo, NY 14260; Phone: (716) 645-3610; Fax: (716) 645-3612; E-mail:

The session will focus on innovative and exemplar education and outreach efforts being conducted around the Great Lakes Basin. Presenters will come from agencies, Sea Grant programs, universities, NGO's and other entities.

Session 20. Citizen Science: New Perspectives and Applications

Chaired by Stephen Hensler, Paula McIntyre, John Stone and Lisa Tulen

Stephen Hensler, USFWS, Alpena Fish and Wildlife Conservation Office - Waterford Substation, 7806 Gale Rd., Waterford, MI 48327; Phone: (248) 891-6433; E-mail:

Paula McIntyre, Cerulean Center, 5708 E. Gallivan Rd., Cedar, MI 49621; Phone: (231) 933-8416; E-mail:

John Stone, Department of Agricultural, Food, and Resource Economics, 446 W. Circle Dr., #87, Michigan State University, East Lansing, MI 48824; Phone: (517) 353-1851; E-mail:

Lisa Tulen, Environmental Protection Operations Directorate, Environment Canada, 105 McGill, 4th Floor, Montreal, QC H2Y 2E7; Phone: (514) 283-1005; E-mail:

Engaging citizen scientists to assist with data collection and foster an appreciation for science and the environment is becoming increasingly common. Yet concerns over data quality and project design can limit the use of information produced. In addition, the focus on data collection ignores the potential for citizens to make more meaningful contributions, including helping to define research questions, apply local or other expertise, and help make decisions about the issues studied. This session looks at citizen science initiatives, challenges and opportunities for use, and technologies to enable the approach. It focuses on ways not only to improve research utility of the information collected, but also to consider the full potential of citizen science activities in decision-making and policy.

Session 21. Approaching Great Lakes Issues with more than the Usual Suspects: Role of Social Science

Chaired by Katherine Bunting-Howarth and Jane Harrison

Katherine Bunting-Howarth, 112 Rice Hall, Cornell University, Ithaca, NY 14853; Phone: (607) 255-2832; E-mail:

Jane Harrison, UW-Sea Grant Institute, 600 E. Greenfield Ave., Milwaukee, WI 53204-2944; Phone: (414) 227-3291; E-mail:

In spite of the best intentions, natural resource research may not catalyze action from decision-makers such as resource, managers, communities and coastal business. In some cases, this is could be because the research is based in one discipline, does not incorporate the interests and knowledge of the communities that could "benefit" from the work, and/or does not address associated social/economic/cultural issues. To that end, this session will illustrate projects that combine research approaches from the natural, physical, and social sciences (including law and planning), in order to demonstrate how research aids society and end users and provide examples of how social science has increased the impact of research and programs on our Great Lakes resources. Examples will highlight the importance of integrating data and theoretical frameworks from various disciplines and scientific fields to generate a comprehensive understanding of Great Lakes problems and solutions. Highlights will include the importance of messaging, networks, regulatory frameworks, planning processes and economic data in helping communities and decision-makers incorporate natural science research-based information to make decisions and modify behavior. Presentations will span topics such as coastal storms, aquatic invasive species, water quality/nutrient loading, fisheries, fish consumption and climate change adaptation.

Session 22. Institutional Capacity and Successful Decision Making Processes in Multi-Stakeholder / Jurisdictional Contexts

Chaired by Wendy Kellogg, Marc Gaden, Eric Howe and Curt Gervich

Wendy Kellogg, 2121 Euclid Ave., Department of Urban Studies, Levin College, Cleveland, OH 44115; Phone: (216) 687-5265; E-mail:

Marc Gaden, School of Natural Resources, University of Michigan, Ann Arbor, MI 48109; Phone: (734) 417-8012; E-mail:

Eric  Howe, Lake Champlain Basin Program, 54 West Shore Rd., Grand Isle, VT 05458; Phone: (802) 372-3213; E-mail:

Curt Gervich, 101 Broad St., SUNY Pllattsburgh, Plattsburgh, NY 12901; Phone: (518) 564-4030; E-mail:

This session addresses the sub themes of emergent technologies, analytical procedures, and vantage points from relevant social science disciplines. Assessment of the institutions and collaborations emerging to facilitate transboundary, multi-stakeholder and multi-jurisdictional governance is a critical aspect of water resource policy development and management in the Great Lakes region. Governance processes today engage a range of organizations, including governments, NGOs and businesses operating at different scales to ensure appropriate mobilization of scientific and technical knowledge, funding resources, and enhanced democratic participation. The session focuses on institutional arrangements and collaborations, identifies how these are structured, and assess aspects of the capacity of institutions and collaborative efforts to contribute to effective transboundary, multi-jurisdictional and multi-stakeholder governance. This session will also highlight successful cases in decision making and strategy formulation for water resources at diverse scales. Selected cases will emphasize decision making processes that focus management strategies and annual budgets, while optimizing other resources. Finally, this session will present research from a variety of conceptual frameworks for understanding these collaborations (e.g. network analysis) and development of metrics by which to assess performance outcomes. Individual papers in the session include those on AOCs, watershed collaborations, and basin governance networks (to date).

Session 23. HAB Considerations for Drinking Water Suppliers

Chaired by Dan Peckham and Ellen Parr Doering

Dan Peckham, NEIWPCC, 650 Suffolk St., Ste. 410, Lowell, MA 01854; Phone: (978) 349-2526; E-mail:

Ellen Parr Doering, Vermont DEC, Drinking Water & Groundwater Protection Division, 1 National Life Dr., Main 2, Montpelier, VT 05620-3521; Phone: (802) 236-1483; E-mail:

State officials need to be prepared to handle potential cyanotoxin scenarios in drinking water supplies: comprehensive monitoring methodologies, risk assessment analyses, and treatment methods are vital to a drinking water facility's response to HAB emergencies such as Toledo's 2014 bloom. Research presented in this session will move forward the discussion of effective HAB guidance for drinking water suppliers.

Session 24. 2014: An Intensive Field Year for Lake Erie

Chaired by Paris Collingsworth and Mark Rogers

Paris Collingsworth, US EPA GLNPO, 77 W Jackson Blvd. (G-17J), Chicago, IL 60604; Phone: (312) 886-7449; Fax: (312) 886-6889; E-mail:

Mark Rogers, USGS Lake Erie Biological Station, 6100 Columbus Ave., Sandusky, OH 44870; Phone: (419) 625-1976; Fax: (419) 625-7164; E-mail:

2014 was a dynamic year in Lake Erie following one of the coldest winters in decades as well as the proliferation of hypoxia and harmful algae blooms in late summer. Coincidentally, Lake Erie was also the focus for the bi-national Cooperative Science and Monitoring Initiative (CSMI) in 2014. Presenters will share outcomes from the intensive field year across a range of trophic levels that represent knowledge gained from the CSMI effort.

Food Webs and Ecosystems: Sessions 25-30

Session 25. Fishing Down the Food Web

Chaired by Gord Paterson and Tim Johnson

Gord Paterson, State University of New York, College of Environmental Science & Forestry, Syracuse, NY 13210; Phone: (315) 470-6942; E-mail:

Tim Johnson, Ontario Ministry of Natural Resoruces, Lake Ontario Biological Station, Picton, ON K0K2T0; Phone: (613) 4767718; E-mail:

Substantial changes have occurred in predator-prey relationships throughout the Great Lakes basin with non-native species such as round goby replacing preferred prey in the diets of many top predator species. These transitions have resulted in changed habitat use, trophic ecology and growth of many Great Lakes predators. Presentations will include quantitative and modelling studies describing associated changes in habitat use, diet, trophic ecology (stable isotopes, fatty acids, gut contents) and bioenergetics and growth.

Session 26. Fisheries in an ecosystem context: lessons learned from comparisons across lakes.

Chaired by Lars Rudstam and Bo Bunnell

Lars Rudstam, 900 Shackelton Point Rd., Cornell University, Bridgeport, NY 13030; Phone: (315) 633 9243; E-mail:

Bo Bunnell, USGS Great Lakes Science Center, 1451 Green Rd., Ann Arboro, MI 41805; Phone: (734) 214-9324; E-mail:

The Laurentian Great Lakes, Lake Champlain, and other large lakes share fish species and concerns about the future of these species and the fisheries that rely on them. Overall lake productivity and the prevalence of invasive species are commonly identified as key drivers of food-web structure and therefore drivers of fish population dynamics and fisheries in the Great Lakes. Because the lakes differ in these characteristics, studies that make cross-lake comparisons may provide greater insight than those that focus only on one lake. This symposium will showcase cross-lake studies that compare patterns and processes at different aspects of the food web that have connections to fish and fisheries.

Session 27. Where the Lake Meets the River: Ecology of Connecting Rivers in the Great Lakes.

Chaired by Alicia Perez-Fuentetaja and Randall Snyder

Alicia Perez-Fuentetaja, SUNY-Buffalo State, 1300 Elmwood Ave., Buffalo, NY 14222; Phone: (716) 878-4608; E-mail:

Randall Snyder, SUNY-Buffalo State, 1300 Elmwood Ave., Buffalo, NY 14222; Phone: (716) 878-4314; E-mail:

This session aims to provide a forum for a variety of research on the ecology of large rivers, connecting channels and lake-river transition areas in the Great Lakes system. Topics such as fish population dynamics and habitat utilization, fish reproduction, fish migrations between the lake and the river, interactions between fish and birds and research on river rehabilitation and conservation are welcome.

Session 28. Anthropogenic Influences on Aquatic Food Webs

Chaired by Allison R. Hrycik, L. Zoe Almeida and Stuart A. Ludsin

Allison R. Hrycik, Department of Forestry and Natural Resources, Purdue University, 195 Marsteller St., West Lafayette, IN 47907; Phone: (716) 574-3504; E-mail:

L. Zoe Almeida, Department of Forestry and Natural Resources, Purdue University, 195 Marsteller St., West Lafayette, IN 47907; Phone: (208) 661-1120; E-mail:

Stuart A. Ludsin, Aquatic Ecology Laboratory, The Ohio State University, 222 Research Center, 1314 Kinnear Rd., Columbus, OH 43212; Phone: (614) 292-1613; E-mail:

Food webs throughout the Great Lakes have been greatly influenced by human activities, including invasive species, climate change, eutrophication, pollutants, and changes in land use and development. Recent advances in methods to examine trophic relationships have allowed us to better understand and track these changes. This session aims to explore human impacts on food webs throughout the Great Lakes region and encourages contributions from all trophic levels and food web analysis methods.

Session 29. Application of Trophic Markers in Aquatic Ecology

Chaired by Jacques Rinchard and Sergiusz Czesny

Jacques Rinchard, The College at Brockport - State University of New York, 350 New Campus Drive, Brockport, NY 14420; Phone: (585) 395-5750; E-mail:

Sergiusz Czesny, Lake Michigan Biological Station, Illinois Natural History Survey, University of Illinois, 400 17th St., Zion, IL 60099; Phone: (847) 872-8677; E-mail:

Trophic markers such as stable isotope ratios, fatty acid signatures, or algal pigments have become useful tools in studies of food web dynamics (e.g. trophic structure and trophic interactions) over the last two decades. As we learn more about the utility of these techniques, we gain a better understanding of trophic ecology both spatially and temporally. The objective of this session is to bring together scientists who use these markers to explore food webs in large lakes.

Session 30. Integrating Food Web Ecology Across Gradients of Ecosystem Size

Chaired by Michael Sierszen, Thomas Hrabik, Jason Stockwell and Ellen Marsden

Michael Sierszen, U.S. EPA, 6201 Congdon Blvd., Duluth, MN 55804; Phone: (218) 529-5199; Fax: (218) 529-5003; E-mail:

Thomas Hrabik, University of Minnesota-Duluth, 1035 Kirby Dr., Duluth, MN 55812; Phone: (218) 726-7626; E-mail:

Jason Stockwell, University of Vermont, 3 College St., Burlington, VT 05401; Phone: (802) 859-3095; E-mail:

Ellen Marsden, University of Vermont, 3 College St., Burlington, VT 05401; Phone: (802) 656-0684; E-mail:

Large scale food web studies in large lakes have increased exponentially in recent years. Valuable insights in basic and complex ecological relationships have been gained, but many opportunities still exist to understand fundamental system processes. Unfortunately, one of the characteristics of large lakes that makes them so interesting, their size, also may impede our understanding due to logistical difficulties and low sample density. Studying similar processes in smaller lakes may provide opportunities to test key hypotheses in a more tractable fashion and develop methodologies with less commitment of resources. In this session, we will explore the current state of aquatic food web research across large lakes, compared and contrasted with work from smaller lakes such as Lake Champlain. The goal is to identify synergies for future research that integrate unique and common aspects of these systems to better understand food web dynamics.

Earth Sciences: Climate, Hydrology, and Paleolimnology: Sessions 31-35

Session 31. Urban Ecohydrology in the Great Lakes Watershed

Chaired by Claire Oswald, Christopher Wellen and Oni Stephen

Claire Oswald, Department of Geography & Environmental Studies, Ryerson University, 350 Victoria St., Toronto, ON M5B 2K3; Phone: (647) 225-1016; E-mail:

Christopher Wellen, School of Geography & Earth Sciences, McMaster University, 1280 Main St. West, Hamilton, ON L8S 4K1; Phone: (647) 239-5138; E-mail:

Oni Stephen, Department of Forest Ecology & Management, Swedish University of Agricultural Sciences, Umea, ON SE-901 83; Phone: (705) 761-7164; E-mail:

Urban development fundamentally reconfigures the pathways along which matter and energy move through catchments. This session invites papers that: 1) explore the hydrological, biogeochemical, geomorphological and ecological functioning of urban ecosystems; 2) describe how these processes create or impact ecosystem services; and/or 3) develop and apply approaches to managing and restoring urban watershed ecosystem services in light of this knowledge.

Session 32. The Great Lakes in a Global Context: Interactions Among Air, Water, Ice, and Ecosystems

Chaired by Brent Lofgren and Jia Wang

Brent Lofgren, NOAA Great Lakes Environmental Research Laboratory, 4840 S. State Rd., Ann Arbor, MI 48108; Phone: (734) 741-2383; Fax: (734) 741-2055; E-mail:

Jia Wang, NOAA Great Lakes Environmental Research Laboratory, 4840 S. State Rd., Ann Arbor, MI 48108; Phone: (734) 741-2281; Fax: (734) 741-2055; E-mail:

Variability and changes in climate involve interactions among the air, land, water, and ice of the Great Lakes region, as well as with the larger atmospheric system of North America and the world. These physical interactions also influence ecological activity. Larger-scale climatic phenomena can have different characteristics according to timescale--teleconnections on the seasonal time scale, greenhouse gases on the multi-decadal scale, and earth's orbital parameters on the multi-millennial time scale. An emerging area is how Arctic amplification of warming by greenhouse gases affects weather extremes at mid-latitudes. We welcome contributions that address how lakes and their ecosystems interact with all aspects of the climate system at any time scale and in any lake-influenced region of the world.

Session 33. Physical Processes in Lakes

Chaired by Dmitry Beletsky, Chin Wu and Eric Anderson

Dmitry Beletsky, University of Michigan, Ann Arbor, MI 48108; Phone: (734) 741-2360; E-mail:

Chin Wu, University of Wisconsin-Madison, Madison, WI 53706; Phone: (608) 263-3078; E-mail:

Eric Anderson, NOAA Great Lakes Environmental Research Laboratory, Ann Arbor, MI 48108; Phone: (734) 741-2293; E-mail:

This session's focus is on the physical limnology of the Great Lakes and other lakes of the world. Papers are solicited dealing with modeling, experimental and laboratory studies of physical processes in lakes (waves, currents, turbulence, stratification, sediment transport, etc.) ranging in sizes from small to medium and large.

Session 34. New Insights and Long-term Records from Lacustrine Systems

Chaired by Ryan Hladyniuk, Euan Reavie and Fred Longstaffe

Ryan Hladyniuk, University of Western Ontario, 1151 Richmond St., London, ON N6A3K7; Phone: (519) 619-3857; E-mail:

Euan Reavie, Natural Resources Research Institute, University of Minnesota Duluth, Duluth, MN 55811; Phone: (218) 720-4292; E-mail:

Fred Longstaffe, University of Western Ontario, 1151 Richmond St., London, ON N6A3K7; Phone: (519) 661-2111, Ext. x83177; E-mail:

Sedimentary records from lacustrine systems and data from long-term monitoring programs allow for a better understanding of historic climate/environmental changes. High resolution, multi-proxy approaches are increasingly common, enabling a better understanding of the late Quaternary evolution of a region (e.g. regional and hemispheric climate change) and the impacts of human activity on lacustrine systems during the Anthropocene (e.g. invasive species, nutrient cycling and warming). We invite contributions from multiple disciplines, regions and time scales that incorporate some or all of: paleolimnology, paleohydrology, sedimentology, geophysics, fossil analysis, geochemistry, isotope geochemistry, geochronology and related disciplines.

Session 35. Hydrodynamics and Hydrology of the Great Lakes and Connecting Channels

Chaired by Weiming Wu and Ian Knack

Weiming Wu, Department of Civil and Environmental Engineering, Clarkson University, Potsdam, NY 13699; Phone: (315) 268-6550; Fax: (315) 268-7985; E-mail:

Ian Knack, Department of Civil and Environmental Engineering, Clarkson University, Potsdam, NY 13699; Phone: (315) 268-4446; Fax: (315) 268-7985; E-mail:

Lakes are the main source for water supply and the receiving water bodies for surrounding watersheds. Relevant hydrodynamic problems include lake circulations, thermal regimes, propagation of surface and internal waves, river and lake ice processes, and river dynamics. Significant hydrological problems include lake water level changes, watershed runoff and pollutant loads, lake and ground water interactions, and air and water interactions.

Nearshore Zones: Sessions 36-39

Session 36. The Urban Coast: Ecological Restoration in Cities

Chaired by Jeff Schaeffer

Jeff Schaeffer, USGS Great Lakes Science Center, 1451 Green Rd., Ann Arbor, MI 48105; Phone: (734) 214-7250; Fax: (734) 994-8780; E-mail:

Great Lakes cities are important sites for ecological restoration because they are often at the confluence of our largest tributaries and the lakes proper. Restoration can restore habitats and lost ecosystem services; this benefits not only the ecosystem but also the people who live there. We will explore successes and challenges of urban coastal restoration via presentations that examine the issue from multiple perspectives that include research, resource management, urban planning, and human dimensions.

Session 37. Contrasting the Form and Function of the Nearshore Environment around the Great lakes

Chaired by Todd Howell, Véronique Hiriart-Baer and David Depew

Todd Howell, 125 Resources Rd., Toronto, ON M9P 3V6; Phone: (416) 235-6225; E-mail:

Véronique Hiriart-Baer, 867 Lakeshore Rd., Burlington, ON L7R 4A6; Phone: (905) 336-4642; E-mail:

David Depew, 867 Lakeshore Rd., Burlington, ON L7R 4A6; Phone: (905) 336-4790; E-mail:

The nearshore is the awkwardly defined band of water joining the land with the open lake. Watershed and shoreline influences on coastal waters cover a spectrum of scales with no particular fidelity to physical definitions of the nearshore. The geomorphology of the drainage area, shoreline and water basin strongly modifies how the linkages between the land and shoreline waters are expressed. The shallow waters supporting benthic primary productivity is a varying subset of other common definitions of the nearshore providing scope for dominating ecosystem processes to vary among areas considered as nearshore. This session seeks to explore region-dependent features shaping the physical, biological and chemical character of what we consider nearshore waters around the Great Lakes and highlight the diversity of this environment.

Session 38. Novel Techniques for Wetland Habitat Management and Assessment

Chaired by Chantel Markle, John Paul Leblanc, Julia Rutledge, Dan Weller and James Marcaccio

Chantel Markle, 1280 Main St. West, Hamilton, ON L8S4K1; Phone: (905) 525-9140, Ext. 27461; E-mail:

John Paul Leblanc, 1280 Main St. West, Hamilton, ON L8S4K1; Phone: (905) 525-9140, Ext. 27461; E-mail:

Julia Rutledge, 1280 Main St. West, Hamilton, ON L8S4K1; Phone: (905) 525-9140, Ext. 27461; E-mail:

Dan Weller, 1280 Main St. West, Hamilton, ON L8S4K1; Phone: (905) 525-9140, Ext. 27461; E-mail:

James Marcaccio, 1280 Main St. West, Hamilton, ON L8S4K1; Phone: (905) 525-9140, Ext. 27461; E-mail:

Wetlands have been degraded and fragmented by increasing human development and landscape alterations. The pace and scale of wetland degradation necessitates the use of novel and unique assessment techniques to assist wetland management decisions to mitigate continued degradation. This multi-disciplinary session encourages topics focused on the deployment and application of novel sampling and analytical techniques that emphasize wetland research.

Session 39. Connections between Great lakes Coastal and Nearshore Ecosystems

Chaired by Joel Hoffman, Matthew Cooper and Anett Trebitz

Joel Hoffman, US EPA Mid-Continent Ecology Division, Duluth, MN 55804; Phone: (218) 529-5420; E-mail:

Matthew Cooper, Brooks Hall 168, Central Michigan University, Mount Pleasant, MI 48859; Phone: (989) 774-7689; E-mail:

Anett Trebitz, US EPA Mid-Continent Ecology Division, 6201 Congdon Blvd., Duluth, MN 55804; Phone: (218) 529-5209; E-mail:

We understand little of how landscape character and watershed-based processes influence the relationships between coastal and nearshore ecosystems, and the ecosystem services provided to coastal communities. In this session, we invite presentations on studies of linkages between the landscape, coastal, and nearshore ecosystems, including nutrients and energy exchanges between coastal and nearshore ecosystems, movements of biota between inshore and nearshore ecosystems, and factors influencing the strength of these connections. We encourage presentations that relate coastal and nearshore exchanges to ecological function, as well as ecosystem services and benefits to coastal communities. We also invite presentations on metrics and indicators of these linkages and exchanges.

Novel and Advancing Technologies: Sessions 40-44

Session 40. What Swims Beneath: Innovative Applications of Technology to Visualize and Address Emergi

Chaired by Maureen Walsh, Mark Vinson and Richard Kraus

Maureen Walsh, USGS Great Lakes Science Center, Lake Ontario Biological Station, Oswego, NY 13033; Phone: (315) 343-3951, Ext. 6512; E-mail:

Mark Vinson, USGS Great Lakes Science Center, Lake Superior Biological Station, Ashland, WI 54806; Phone: (715) 682-6163, Ext. 11; E-mail:

Richard Kraus, USGS Great Lakes Science Center, Lake Erie Biological Station, Sandusky, OH 44870; Phone: (419) 625-1976, Ext. 13; E-mail:

Our approach to understanding ecosystem dynamics is undergoing a rapid expansion of ideas and approaches using new technology. The size and depth of the Great Lakes have always posed unique challenges for research and sampling, but new applications of tools such as underwater cameras, remotely operated and autonomous vehicles, hydroacoustics, and telemetry provide ways to "see" what swims beneath the surface. These approaches include innovative methods for tracking species' movements and habitat use, identifying trophic connections, and for assessing our ability to measure ecosystem attributes - are we measuring what we think we're measuring? Ultimately, these techniques are being applied to address emerging problems such as climate change, contaminants, invasive species, and over-fishing. We invite contributions to this session that present new methodologies for characterizing and quantifying ecosystem components and species interactions across a range of lake habitats and spatial and temporal scales.

Session 41. Using Cutting-edge Technologies to Advance Freshwater HAB Monitoring and Forecasting

Chaired by Timothy Davis, Greg Doucette, George Bullerjahn, Steve Ruberg, Tom Johengen and Richard Stumpf

Timothy Davis, NOAA Great Lakes Environmental Research Laboratory, 4840 S. State Rd., Ann Arbor, MI 48108; Phone: (734) 741-2286; E-mail:

Greg Doucette, NOAA/NOS, 219 Fort Johnson Rd., Charleston, SC 29412; Phone: (843) 762-8528; E-mail:

George Bullerjahn, Bowling Green State University, Life Sciences 516, Bowling Green, OH 43403; Phone: (419) 372-8527; E-mail:

Steve Ruberg, NOAA Great Lakes Environmental Research Laboratory, 4840 S. State Rd., Ann Arbor, MI 48108; Phone: (734) 741-2271; E-mail:

Tom Johengen, CILER-University of MIchigan, G110 Dana Building, Ann Arbor, MI 48109; Phone: (734) 741-2203; E-mail:

Richard Stumpf, NOAA-NCCOS, 1305 East West Highway, Room 8110, Silver Spring, MD 20910; Phone: (301) 713-3028, Ext. 173; E-mail:

Detecting and monitoring harmful algal bloom (HAB) development and toxicity are of growing importance nationally and globally, especially for freshwater systems that supply drinking water to many municipalities. While several models exist to predict bloom size, accurately forecasting bloom toxicity remains difficult. This issue was highlighted by the 2014 City of Toldeo 'do not drink' advisory due to cyanotoxin contamination of drinking water. New technologies have and will continue to advance our ability to rapidly and accurately monitor bloom size and toxicity. Talks in this session will focus on the progress of these efforts and discuss the next steps.

Session 42. Acoustic Telemetry: Using Big Data to Answer Big Questions

Chaired by Jon Midwood, Liset Cruz Font and Andrew Rous

Jon Midwood, 205 Glebe Ave., Apt. 3, Ottawa, ON K1S2C8; Phone: (613) 720-5667; E-mail:

Liset Cruz Font, 1265 Military Trail, Toronto, ON M1C 1A4; Phone: (647) 404-1219; E-mail:

Andrew Rous, 1125 Colonel By Dr., Ottawa, ON K1S 5B6; Phone: (613) 464-1410; E-mail:

Increasingly, large-scale acoustic telemetry projects are being developed and deployed in lentic systems. This technology has the potential to provide continuous information on the position of an individual as well as their surrounding environment (e.g., temperature or depth). Topics in this session will focus on how to create an acoustic telemetry array, how to analyze and manage associated large databases, and the novel insights that can be gained through their use.

Session 43. Remote Sensing, Visualization, and Spatial Data Applications for the Great Lakes

Chaired by George Leshkevich and Robert Shuchman

George Leshkevich, NOAA Great Lakes Environmental Research Laboratory, 4840 S. State Rd., Ann Arbor, MI 48108; Phone: (734) 741-2265; Fax: (734) 741-2055; E-mail:

Robert Shuchman, Michigan Tech Research Institute, 3600 Green Court, Ste. 100, Ann Arbor, MI 48105; Phone: (734) 913-6860; Fax: (734) 913-6880; E-mail:

Contributions are invited on all aspects of remote sensing (including data collection, data analysis/interpretation, data applications, etc.) in the Great Lakes or other large lakes from satellite, airborne, ship, or other platforms. Presentations highlighting the role of remote sensing in interdisciplinary studies are encouraged, as are presentations describing the utilization of new or innovative sensors (such as scatterometer, hyperspectral, or acoustic) or techniques (such as data fusion and data visualization) for research or operational use.

Session 44. Advancing the Use of Tags for Monitoring Movement and Habitat Use of Aquatic Species

Chaired by Dimitry Gorsky

Dimitry Gorsky, 1101 Casey Rd., Basom, NY 14013; Phone: (585) 948-5445, Ext. 2229; E-mail:

This session will focus on the use of telemetry and archival tags for data collection on habitat use and movement.

Nutrients: Sessions 45-49

Session 45. Nutrient Cycling in Coastal Environments: Temporal Variability of Processes and Fluxes

Chaired by Christopher Parsons and Philippe Van Cappellen

Christopher Parsons, 200 University Ave. West, Waterloo, ON N2L 3G1; Phone: (519) 888-4567, Ext. 32820; E-mail:

Philippe Van Cappellen, 200 University Ave. West, Waterloo, ON N2L 3G1; Phone: (519) 888-4567, Ext. 31319; E-mail:

Biogeochemical processes controlling nutrient distribution in sediments and fluxes across the sediment/water interface are modulated by hydrological, climatic and biological drivers that vary on time scales from decades to minutes. It is increasingly recognized that temporal, sometimes oscillatory, environmental changes exert major controls on the biogeochemical functioning of near shore sediments which in turn modify their capacity to assimilate, transform or otherwise remove nutrients from source waters. This session will focus on changes to nutrient fluxes and transformations in shallow water sediments due to temporal variation of environmental conditions. Variable environmental conditions could include factors such as; flooding, desiccation, temperature variations, light availability, water table fluctuations, groundwater discharge, bioturbation, freeze-thaw cycles, algal blooms, wave disturbance and storms. The session will facilitate the exchange of concepts, data, measurement techniques and modelling approaches between scientists interested in advancing the understanding of sediment biogeochemistry across temporal scales, particularly in reference to eutrophication. The session will contribute to the knowledge needed to develop robust representations of sediment and water column biogeochemistry in environmental models.

Session 46. HABs and the 2014 Toledo Drinking Water Crisis

Chaired by Patrick Lawrence and Carol Stepien

Patrick Lawrence, University of Toledo, MS140, Toledo, OH 43606; Phone: (419) 530-4128; Fax: (419) 530-7919; E-mail:

Carol Stepien, University of Toledo, Lake Erie Center, Toledo, OH 43616; Phone: (419) 530-8360; Fax: (419) 530-8399; E-mail:

Presentations on various scientific and policy aspects of the 2014 Toledo drinking water crisis from harmful algae blooms in the Western Basin of Lake Erie

Session 47. Ecosystem Modeling to Support Lake Management

Chaired by Daniel Rucinski, Ed Verhamme, Joseph DePinto and Don Scavia

Daniel Rucinski, 501 Avis Dr., Ann Arbor, MI 48108; Phone: (734) 332-1200; E-mail:

Ed Verhamme, 501 Avis Dr., Ann Arbor, MI 48108; Phone: (734) 332-1200; E-mail:

Joseph DePinto, 501 Avis Dr., Ann Arbor, MI 48108; Phone: (734) 332-1200; E-mail:

Don Scavia, 625 E. Liberty St., Ste. 300, Ann Arbor, MI 48104; Phone: (734) 615-4860; E-mail:

Excessive loading of nutrients from a variety of point and nonpoint sources to large aquatic ecosystems can have many undesirable eutrophication impacts. The excessive nutrients stimulate growth in both benthic algae and phytoplankton, which can lead to a number of detrimental system responses; such as increases in harmful algal blooms, shoreline buildup of decaying algae, and hypoxia. Attempts to mitigate these issues have traditionally been focused on reducing nutrient loads to the system. This session will focus on modeling efforts that simulate ecosystem responses to nutrient loading, and thereby develop load-response relationships to be used in lake management plans. This process is being undertaken via an ensemble modeling effort in Lake Erie, and the results will be presented in this session. However, similar efforts on other large lakes are encouraged to present.

Session 48. Cyanobacteria and Human Health: Current Understanding and Research Directions

Chaired by Angela Shambaugh and Lori Cragin

Angela Shambaugh, Vermont Dept. of Environmental Conservation, 1 National Life Dr., Main 2, Montpelier, VT 05620-3522; Phone: (802) 490-6130; E-mail:

Lori Cragin, Vermont Dept. of Health, 108 Cherry St., Burlington, VT 05402; Phone: (802) 651-1561; E-mail:

As the number of water body closures and warnings due to cyanobacteria increase, we propose to focus this session on current understanding of cyanoHAB impacts on human health, intriguing research directions and data needs. We encourage scientists to address contact exposure, aerosols, fish consumption and ingestion.

Session 49. Holy Toledo! Nitrogen in the Great Lakes (Yes, Nitrogen): Blooms, Cyanotoxins, and Hypoxia

Chaired by Mark McCarthy and Silvia Newell

Mark McCarthy, University of Texas Marine Science Institute, 750 Channel View Drive, Port Aransas, TX 78373; Phone: (613) 572-5423; E-mail:

Silvia Newell, Wright State University, 3640 Colonel Glenn Hwy, Dayton, OH 45345; Phone: (937) 775-2201; E-mail:

The role of nitrogen loads to lakes has been largely ignored in many recent high-profile publications and reports (e.g., IJC and EPA reports on Great Lakes eutrophication) despite many troubling facts: (1) the main organisms causing the detrimental effects (e.g., Toledo water crisis) cannot fix atmospheric nitrogen; (2) a focus on phosphorus control has not prevented these blooms from occurring; (3) there is a known connection between cyanobacteria toxicity and nitrogen metabolism; and (4) excess nitrogen causes severe eutrophication effects (e.g., hypoxia) in downstream systems. This session seeks experimental, monitoring, modeling, and review abstracts aimed at defining and identifying the role of nitrogen in causing and/or maintaining eutrophication in aquatic systems along the freshwater-marine continuum. We especially seek abstracts expressing "New Views" on eutrophication in lakes and/or using "New Tools" (e.g., genomics, buoy deployments, models) to support these views.

Tools for Great Lakes Management: Sessions 50-53

Session 50. Adaptive Management in the Great Lakes-St. Lawrence River System

Chaired by Wendy Leger, Debbie Lee, Kyle McCune, Jennifer Read and William Werick

Wendy Leger, 867 Lakeshore Rd., Burlington, ON L7R 4A6; Phone: (905) 336-4949; E-mail:

Debbie Lee, NOAA Great Lakes Environmental Research Laboratory, 4840 S. State Rd., Ann Arbor, MI 48108; Phone: (513) 684-3070; E-mail:

Kyle McCune, U.S Army Corps of Engineers - Great Lakes and Ohio River Division, 550 Main St., Cincinnati, OH 45202-3222; Phone: (513) 684-3014; E-mail:

Jennifer Read, University of Michigan Water Center, 214 S. State St., Ste. 200, Ann Arbor, MI 48104; Phone: (734) 763-2642; E-mail:

William Werick, 14508 Chesterfield Lane, Culpeper, VI 22701; Phone: (703) 328-3034; E-mail:

Recent efforts in the region such as the International Upper Great Lakes Study (2012), the Great Lakes Water Quality Agreement 2012, and the Great Lakes Restoration Initiative, have called for an adaptive management (AM) approach. AM requires an on-going understanding of how the system is changing, how ecosystems are evolving in response to observed conditions and management actions, and the development of science-based adaptive strategies to guide shoreline management and ecosystem restoration responses - all within the context of integrated quality and quantity approaches. Presentations would focus on these elements and include case studies of integrated, collaborative approaches, examine hydroclimate science research related to Great Lakes- St. Lawrence River water levels and climate change, monitoring and predicting of ecosystem response in the context of observed hydroclimate changes, and the evaluation of adaptive actions to support a robust and resilient Laurentian Great Lakes ecosystem.

Session 51. Assessing Risks in the Great Lakes: New Tools and Current Assessements

Chaired by Jerome Marty

Jerome Marty, 2611 Queensview Drive, Suite 300, Ottawa, ON K2B 8K2; Phone: (613) 363-0689; E-mail:

Over the last couple of years, ecological risk assessments have become part of the tools and results needed to support environmental projects and further develop future policies. In the Great Lakes, risk assessments are particularly needed due to increasing use of aquatic resources and the introduction of new stressors such as invasive species, new chemicals of concerns and increasing marine transportations. This session aims to present the latest tools and studies developed in the Great Lakes basin related to recent risk assessment.

Session 52. Multiple Stressors and Cumulative Effects: From Theory to Practice

Chaired by Paul Sibley, Irena Creed, Katrina Laurent and Soren Brothers

Paul Sibley, Department of Environmental Biology, Bovey Bldg., University of Guelph, Guelph, ON N1G 2W1; Phone: (519) 824-4120, Ext. 52707; Fax: (519) 837-0442; E-mail:

Irena Creed, Department of Biology, Western University, 1151 Richmond St. N, London, ON N6A 5B7; Phone: (519) 661-4265; Fax: (519) 661-3935; E-mail:

Katrina Laurent, Department of Biology, Western University, 1151 Richmond St. N, London, ON N6A 5B7; Phone: (519) 661-2111, Ext. 86843; E-mail:

Soren Brothers, School of Environmental Sciences, Bovey Bldg., University of Guelph, Guelph, ON N1G 2W1; Phone: (519) 824-4120, Ext. 53839; E-mail:

Research investigating the myriad stressors affecting the Great Lakes basin, and the associated policy initiatives, has largely focused on individual stressors. Increasingly, however, it is recognized that these multiple, individual stressors can interact in ways that are poorly understood, potentially leading to cumulative impacts that are not effectively addressed using an individual stressor approach. Understanding these interactions will be essential to predict future responses to ongoing (and new) interacting stresses and on which effective management practices and policies can be formulated. This session will be host to presentations which investigate the interactions between key environmental stressors and their cumulative effects in the Laurentian Great Lakes. By specifically addressing multiple stressors and cumulative effects, we hope to identify a broader foundation for future studies of the Great Lakes and its watersheds.

Session 53. Indicators of Biotic Integrity for the Great Lakes

Chaired by Lyubov Burlakova, Alexander Karatayev, Jill Scharold, Elizabeth Hinchey-Malloy, Julie Lietz, Treda Grayson and Meredith Brackett

Lyubov Burlakova, 1300 Elmwood Ave., Buffalo, NY 14222; Phone: (716) 878-4504; Fax: (716) 878-6644; E-mail:

Alexander Karatayev, 1300 Elmwood Ave., Buffalo, NY 14222; Phone: (716) 878-5423; Fax: (716) 878-6644; E-mail:

Jill Scharold, 6201 Congdon Blvd., Duluth, MN 55804; Phone: (218) 529-5149; E-mail:

Elizabeth Hinchey-Malloy, 77 W. Jackson St., Chicago, IL 60604; Phone: (312) 886-3451; Fax: (312) 697-2606; E-mail:

Julie Lietz, 6201 Congdon Blvd., Duluth, MN 55804; Phone: (218) 529-5122; E-mail:

Treda Grayson, 1200 Pennsylvania Avenue, N.W. (4503T), Washington, DC 20460; Phone: (205) 566-0916; E-mail:

Meredith Brackett, 77 W. Jackson St., Chicago, IL 60604; Phone: (312) 886-6056; E-mail:

Benthic macroinvertebrate communities are useful indicators of ecological condition for the Great Lakes. Because they respond in different ways to a wide array of environmental stressors, such as changes in physical and chemical characteristics of the sediments and overlying water, benthic community condition can be used to determine long term water quality trends. Currently, the oligochaete trophic index (OTI) is frequently used to assess nearshore and open water benthic conditions as part of ongoing long-term monitoring programs. The OTI is a useful tool for assessing changes in organic enrichment of sediments and changes in trophic status of the benthic community. However, a need exists to be able to differentiate the role of organic enrichment versus other impacts on the benthic community, such as invasive species, which the OTI is not designed to do. The intent of this session is to highlight projects that are exploring the use of new invertebrate indices or other biomonitoring approaches to comprehensively assess the overall condition of nearshore and offshore Great Lakes ecosystems.

General Contributions: Session 54

Session 54. General Contributions

Chaired by

This session will include abstracts that are not attributable to a defined session within the conference.