Recent Presentations

3/13/ 2008  Phosphorus Loading to Western Lake Erie: Trends and Sources  Western Lake Erie Conference, Toledo Yacht Club.

3 /11/2008  Making of an Annual Record for Phosphorus Export Ohio Water Resource Council, Workgroup on Water Resources Monitoring.  USGS Ohio Water Science Center, Columbus, Ohio. 
3/18-19/2008  Landscapes and Loadings Workshop, Council of Great Lakes Governors, Maumee, OH. Total Phosphorus Loading to the Great Lakes and Trends in Dissolved Reactive Phosphorus in Lake Erie Tributaries 
3/17/ 2008  Department of Biological, Geological and Environmental Sciences Seminar, Cleveland State University, Cleveland, OH.  Burrowing Mayflies as Indicators of the Quality of Lake Erie   
3/12/2008 Department of Biological Sciences Seminar, Bowling Green State University, Bowling Green, OH.  Studies of Oxidative Stress in Marine/Aquatic Systems.   
3/6/2008 Agriculture, Water Management, and Climate Change, Bath, England.  Adaptive Management and Water Quality: Is there anything to be learnt from outside the U.K.
2/27/2008  7th Annual Tri-State Conservation Farming Expo, Auburn, IN.  Elevated soil test phosphorus levels may explain increasing dissolved reactive phosphorus in Western Lake Erie tributaries    
2/21-22/2008 Conservation Tillage and Technology Conference, Ohio Northern University, Ada, OH.  Soil test phosphorus trends and stratification in Northwest Ohio soils
2/20/2008 Western Lake Erie Basin Partnership Roundtable,  University of Toledo, Toledo, OH. Water Quality Trends in Lake Erie Watersheds
2/7/2008 Kiwanis Club, Tiffin, OH.  The National Center for Water Quality Research at Heidelberg College 
2/6/2008  USDA Water Quality Conference, Sparks, NV. Record Setting Phosphorus Loads from Agricultural Watersheds in Ohio
12/18/2007 Great Lakes Protection Fund Soil Test Metric Project Workshop, NCWQR, Heidelberg College, Tiffin, OH.  Increased Dissolved Phosphorus Loading to Lake Erie from Agricultural Watersheds And How does agriculture contribute to dissolved phosphorus runoff? 
12/6/2007 Department of Zoology Seminar, Miami University, Oxford, OH.  Total Oxyradical Scavenging Capacity Assay: Applications for Aquatic/Marine Research 
11/13/2007 Ohio Lakes Management Society Annual Meeting, Deer Creek, OH. Activities of the National Center for Water Quality Research.
 10/30/2007  Israel Society of Toxicology, Israel Institute of Technology, Haifa, Israel. Xenobiotic Metabolism and Mechanisms of Chemical Carcinogenesis
10/26/2007 ElderCollege,  Terra State Community College, Fremont, OH.
Water on a Thirsty Planet  - an overview of current issues of water quantity and quality in the US and specifically within the Northwest Ohio region.
10/25/2007 Ohio River Basin Consortium for Research and Education annual symposium, Oxford, Ohio
Sediment and Nutrients in Three Ohio Tributaries to the Ohio River

10/9/2007 Oberlin Men's City Club, Oberlin, Ohio
Thirty-year Trends in Phosphorus in Lake Erie Tributaries: What’s Happening and Why?

9/13/2007 Heidelberg College, Tiffin, Ohio
30-year Trends in Suspended Sediment Concentrations: A Response to Management?

8/30/2007 EPA National Nonpoint Monitoring Workshop, Austin, TX
Nutrient management, conservation tillage, adaptive management, and increased dissolved phosphorus export from Northwest Ohio agricultural landscapes /and/ Characteristics of effective monitoring programs

7/23-24/2007 Soil and Water Conservation Society, Tampa, Florida
Phosphorus Trading between Point and Nonpoint Sources: Inapplicability for Many Stream Eutrophication Problems in Ohio /and /Increased Dissolved Phosphorus Loading to Lake Erie from Agricultural Watersheds: A Conservation Tillage Trade-off?

7/12/2007 Stone Lab, Gibralter Island, Ohio
Thirty-year Trends in Phosphorus in Lake Erie Tributaries: What’s Happening and Why?

8/10/2007 Crawford Soil and Water Conservation District Conservation Field Day, Bucyrus, Ohio.
Phosphorus Soil Test Levels in NW Ohio and their Relationship to Dissolved Reactive Phosphorus Runoff. .

5/24/2007 Round table discussion - Water Quality, Thriving Farms, Vibrant Communities,  Camden Falls, Tiffin, OH.

Current Research, Policy and Entrepreneurial Efforts that Reap Multiple Benefits from Agriculture.  Minnesota Land Stewardship Project.
Phosphorus soil test trends in NW Ohio and the potential for stratification of phosphorus within the soil profile.

5/23/2007 Ohio Phosphorus Task Force Meeting, Columbus, Ohio
Phosphorus soil test trends in NW Ohio and the potential for stratification of phosphorus within the soil profile

7/21-25/2007 Soil and Water Conservation Society, Annual Conference, Tampa, Florida
Phosphorus trading between point and nonpoint sources: Inapplicability for many
stream eutrophication problems in Ohio

7/21-25/2007 Soil and Water Conservation Society, Annual Conference, Tampa, Florida

 Increasing dissolved phosphorus loading to Lake Erie from agricultural
watersheds: a conservation tillage trade-off?

5/27 - 6/1/ 2007 International Association for Great Lakes Research, Annual Conference, University Park, Pennsylvania

Increased bioavailability of nonpoint-derived phosphorus loads to Lake Erie from the Maumee and Sandusky rivers is due to increased dissolved phosphorus concentrations during storm events

5/27 - 6/1/ 2007 International Association for Great Lakes Research, Annual Conference, University Park, Pennsylvania

The National Center for Water Quality Research at Heidelberg College: History, Mission and Programs

5/27 - 6/1/ 2007 International Association for Great Lakes Research, Annual Conference, University Park, Pennsylvania

Nearshore Dynamics of Hypoxia in Central Lake Erie

5/27 - 6/1/ 2007 International Association for Great Lakes Research, Annual Conference, University Park, Pennsylvania

30-year trends in suspended sediment concentrations in four Lake Erie tributaries in Ohio

5/27 - 6/1/ 2007 International Association for Great Lakes Research, Annual Conference, University Park, Pennsylvania

Trends in Phosphorus Loads and Concentrations from the Maumee River

5/27 - 6/1/ 2007 International Association for Great Lakes Research, Annual Conference, University Park, Pennsylvania

Elevated soil test phosphorus levels associated with conservation tillage
practices may explain elevated SRP in western Lake Erie

4/20/2007 Department of Biology and Ecology, Cleveland State University

Trends in Phosphorus in Lake Erie Tributaries

3/29/2007 Western Lake Erie Basin Conference, Lakeside

Phosphorus In western Lake Erie

3/29/2007 Western Lake Erie Basin Conference, Lakeside

Dead zones in western Lake Erie

3/29/2007 Western Lake Erie Basin Conference, Lakeside

The ECOFORE Project

3/27/2007 Ohio Phosphorus Task Force, Riffe Center, Columbus, OH

An Overview of Phosphorus

3/27/2007 Ohio Phosphorus Task Force, Riffe Center, Columbus, OH
An Overview of Tributary Monitoring Data

3/22/2007 Bowling Green State University, Geology Department
The Richards-Baker Flashiness Index: Applications in the Midwest

3/27/2007 Lake Erie Millenium Network workshop, Windsor, Ontario, Canada
Temporal Loading Patterns of Phosphorus in western Lake Erie

3/27/2007 Lake Erie Millenium Network workshop, Windsor, Ontario, Canada

Sources, timing and bioavailability of Phosphorus in Lake Erie

3/20/2007 Tiffin Master Gardeners

Fertilizers and Water Quality and Laboratory Tour

2/26/2007 Western Lake Erie Partnership, Fort Wayne, IN
Maumee Watershed Sediment and Phosphorus Trends, 1975-2005

2/26/2007 Western Lake Erie Partnership, Fort Wayne, IN
Phosphorus Soil Tests – Trends and Stratification

2/15/2007 Annual Meeting, Ohio Chapter, Soil and Water Conservation Society, Columbus. Ohio
Tributary Phosphorus, Lake Erie, and soils

2/5/2007 Sandusky Coalition and Seneca County Farm Bureau

Soluble Phosphorus Export from the Sandusky Watershed and Soil Phosphorus
Levels.

2/2/2007 Ohio Environmental Council’s 2007 Clean Water Conference
Phosphorus and Ohio’s Water Resources: Impacts and Remedies (workshop)

1/30/2007 USDA Water Quality Meetings, Savannah, GA

Trends in suspended sediment concentrations in six Ohio rivers and streams

1/24/2007 Ohio Department of Natural Resources, Division of Soil and Water Conservation, Columbus, OH

An Overview of the Ohio Tributary Loading Program including illustrations of data uses Introduction and Lake Erie Phosphorus

1/23/2007 Tiffin League of Woman Voters
What Tiffin Residents Should Know about the National Center for Water Quality
Research laboratory (includes lab tour)

1/16/2007 Crawford County Park District, Bucyrus, OH

The Sandusky River: Progress and Problems

12/5/2006 Maumee River Project Meeting, Joyce Foundation, Chicago, IL

Monitoring designs for detecting changes in water quality

11/30/2006 Rivers Institute Symposium, Hanover College, Indianapolis, IN
Innovations in Nonpoint Pollution Control
Point Source-Nonpoint Source
Phosphorus Trading: Applicability to Stream TMDLs in Ohio

11/29/2006 Rivers Institute Symposium, Hanover College, Indianapolis, IN
Innovations in
Nonpoint Pollution Control,
Detecting Water Quality Responses to Land Management Changes: Why is it so Difficult?

11/29/2006 Rivers Institute Symposium, Hanover College Innovations in Nonpoint Pollution Control, Indianapolis, IN
Changing Characteristics of Dissolved Phosphorus Export to from Northwestern Ohio Rivers

11/3/2006 EPA State of the Lakes Ecosystem Conference, Milwaukee, WI
A Flashiness Index Applied to Midwestern and Other Streams

10/25/2006 Stream Ecosystem Restoration Training Workshop, Hilliard, OH

Stream Flashiness and Nutrient Processing

10/11/2006 SWCS Managing Agricultural Landscapes Workshop, Kansas City

Detecting Water Quality Responses to Land Management Changes: Why is it so
Difficult?

9/28/2006 Toledo Environmental Council, TMACOG, Toledo, OH
Lake Erie Phosphorus Loadings: Trends and Impacts

9/27/2006 Stream Ecosystem Restoration Workshop Columbus, OH,

Ohio’s Streams: Flashy and Getting Flashier
Nutrient Processing in Streams: Effects on Ambient Water Quality and Nutrient
Export

9/26/2006 Ohio Responses to Federal Environmental Regulations, Policy Conference, OSU, Columbus, Ohio

Meeting Ohio’s Water Resource Goals Through Effectively Addressing Habitat, Hydrology and Nutrient Enrichment Problems

9/18/2006 Ag Drainage Modeling Workshop, Alexandria, VA

Consultations on linking tile drainage models to river water quality models to obtain results that correctly reflect observed concentrations

9/7/2006 Ohio Lake Erie Conference (Ohio Lake Erie Commission), Lorain Community College

External Phosphorus Loading to Lake Erie: Trends, Significance and Challenges

9/6/2006 All Ohio Chapter, Soil and Water Conservation Society, Anniversary Symposium, Columbus, OH

Chemical Signatures of Land Use Activities in Ohio’s Streams and Rivers

9/4/2006 Tiffin Rotary Club
The Water Quality Laboratory: Using Data To Influence Policy

8/17/2006 Kelleys Island Audubon Society, Kelleys Island, OH

Mayflies and Ohio’s Lake Erie Quality Index: Linking Biology to Policy

6/28/2006 The Sandusky River Watershed Symposium, Heidelberg/Sandusky River Watershed Coalition, Tiffin

Evaluating Program Effectiveness at the Watershed Level

6/27/2006 The Sandusky River Watershed Symposium, Heidelberg/Sandusky River Watershed Coalition, Tiffin

Pollutant Loading to Lake Erie: History and Status

6/13/2006 IJC Groundwater Consultation, Syracuse, NY
Nutrients and Pesticides in Groundwater in the Great Lakes Basin

5/30/2006 USEPA PCB Load Estimation Project Team, Troy, NY

Evaluation of Quality Control Issues with Black River PCB Data

5/24/2006 International Association for Great Lakes Research, Windsor, ON
Recovery of Burrowing Mayflies (Hexagenia spp.) in Lake Erie and Their Value
as a bioindicator of Lake Quality

5/10/2006 National Water Quality Monitoring Conference, San Jose, CA
Four Ways to Get Biased Tributary Load Estimates

4/20/2006 GSA North Central Meeting, Akron, OH

Rapid Response of Macroinvertebrates to Dam Removal in the Sandusky River,
Ohio

4/20/2006 GSA North Central Meeting, Akron, OH
Reversal of Declining Nutrient Trends in Lake Erie Tributaries

4/12/2006 Lake Erie Center, University of Toledo, Oregon, OH
Mayflies and Ohio’s Lake Erie Quality Index: Linking Biology to Policy

4/8/2006 Power Squadron, Lima Chapter, Lima, OH
Mayflies and Ohio’s Lake Erie Quality Index

3/30/2006 Western Lake Erie Conference, Maumee Bay State Park, Toledo, OH

River Loadings of Nitrates and Phosphorus into Western Lake Erie

3/28/2006 Ohio, Kentucky, Indiana Regional Conservation Council, Cincinnati

Point Source-Nonpoint Source Phosphorus Trading: Applicability for TMDLs in
Ohio

3/8-9/06 Michigan Department of Environmental Quality, Lansing, MI
1.5 day workshop on NCWQR website, stream flashiness, & sampling

3/7/2006 OWRC – Annual Water Resources Monitoring Meeting

Described the Ohio Tributary Loading Program

3/1/2006 USDA-CEAP Symposium, SWCS Meeting, Columbus, OH

Flashiness Trends in Rural Streams: Do They Correlate with Changing Cropping
Patterns and Practices

3/1/2006 USDA-CEAP Symposium, SWCS Meeting, Columbus, OH

Detecting Water Quality Responses to Land Management Changes: Why is it so
Difficult?

2/28/2006 Millennium Conference, Windsor, ON

Reversal of Declining Nutrient Trends in Lake Erie Tributaries

2/22/2006 Ashland University, Environmental Lecture Series, Ashland, OH

Conservation and Restoration of the Sandusky River Watershed


2/16/2006 Heidelberg Student Research Conference

The National Center for Water Quality Research: From Data… to Information… to Application

2/8/2006 USDA-CSREES Water Quality Conference, San Antonio, TX

Rock Creek Conservation Effects Assessment Program Project

12/20/2005 Ohio Environmental Protection Agency - Columbus

1-day workshop to OEPA staff on the use of the Ohio Tributary Loading Web-site

12/1/2005 The Future of Ohio’s Lake Erie Basin: Balancing Land Use and Water Quality, Lorain Community College

Impacts of Intensive Row Crop Agriculture on Regional Water Resources

11/28/2005 USEPA GLNPO Chemical Integrity Workshop, Windsor, ON

Trends in Water Quality in Lake Erie Tributaries, 1975-2004

11/15/2005 The Sandusky River Watershed Coalition, Fall Meeting, Tiffin, OH

Impacts of Agriculture on Water Resources: Where Does Stream Hydrology Fit In?

11/8/2005 The Nature Conservancy, Agriculture and Hydrology Learning Network, Columbus, OH

Impacts of Agriculture on Stream Hydrology: Some Current Issues

11/3/2005 Water Management Association of Ohio, Columbus, OH

The Role of Large Storm Events in Nutrient and Sediment Export for Northwestern Ohio Watersheds

11/3/2005 Water Management Association of Ohio, Columbus, OH

Nutrient Trading and In-Stream Processing: Viewpoints of Chemical Hydrologists

11/2/2005 Bowling Green State University, Dept. of Biology and Ecology, Bowling Green, OH

Trends in Water Quality in Lake Erie Tributaries: Approaches, Findings, and
Questions

10/28/2005 University of Toledo, Dept. Geology and Ecology faculty, Toledo, OH

Water Quality in the Maumee and Other Lake Erie Tributaries: Programs and
Problems

10/21/2005 Ohio State University, Environmental Sciences Program, Columbus, OH

Assessing Water Quality Trends in Lake Erie Tributaries: Methods and Results

10/8/2005 The Kirtlandia Society, Cleveland Museum of Natural History

The Ecology of Mayflies in Lake Erie and Their Role in the Lake Erie Quality Index

10/5/2005 Mississippi River Nutrient Workshop, St. Louis, MO

Water Quality Trends in Three Ohio Tributaries to the Ohio River, 1995-2004

8/24/2005 National Center For Water Quality Research, Heidelberg College, Tiffin

One day workshop, The WQL Tributary Loading Website Workshop

8/23/2005 Sea Grant Review Panel at Old Woman Creek NERR, Huron, OH

Underwater Video as a Method for Detecting and Quantifying Rare Individuals,
Applied to Zebra/Quagga Mussels (Dreissena spp.) and Burrowing Mayflies (Hexagenia spp.) in Lake Erie

7/28/2005 USDA-ARS meeting, Fort Wayne, IN

Rock Creek Conservation Effects Assessment Program Project