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Over 75 people braved the wintry weather to attend the Eleventh Platte River Basin Ecosystem Symposium that convened in Kearney on 27 February 2001. Icy roads lead to cancellation of only 2 papers. Seventeen papers were presented and 5 posters were on display. Nebraska Public Radio and NTV News covered the event. The presentations were excellent and participants were well satisfied with not only the program but also the food. This year the symposium broadened its charge to include more discussion on community-based environmental protection, sustainable development, and policy-making. The Symposium was sponsored by the University of Nebraska Cooperative Extension Platte Watershed Program in cooperation with the U.S. Environmental Protection Agency - Region VII, the U.S. Department of Agriculture/CSREES, the U.S. Fish and Wildlife Service, and the University of Nebraska Water Center. • Part I of the proceedings contains papers submitted for publication. • Part II contains a complete set of abstracts of oral and poster presentations.

Part I: Papers

Instream Flow Rights for the Platte River- A Major Tributary of the Missouri River Eugene J. Zuerlein , J.L. Hutchinson, Steve Schainost, and Ross Lock. Nebraska Game and Parks Commission

Endangered Species Act / Recovery Drives Platte River Cooperative Agreement Jerry Vandersnick, Kearney NE

Converting Row Crop Area to Permanent Pasture Bob Scriven, UN Coop Extension, Kearney NE

Do You See What I See?: Looking at Conservation and Sustainability in the Central Platte Valley from an Anthropological Perspective John T. Heaston, The Nature Conservancy, Aurora, NE

Wintering Bald Eagle Survey of the CNPPID Supply Canal and Lake McConaughy 1992-1999 Mark M. Peyton, Central Nebraska Public Power and Irrigation District, Gothenburg, NE

Upper Platte River Fish Diversity and Abundance Sampling 1997 and 1998 Mark M. Peyton, Central Nebraska Public Power and Irrigation District, Gothenburg, NE

Part II: Abstracts

Mapping Sandhill Crane Roost Sites Along the Central Platte River Using Aerial Infrared Videography P.J. Kinzel, U.S.Geological Survey, Water Resources Division, Denver CO; R.S. Parker, U. S. Geological Survey, Denver CO; J.M. Nelson, U. S. Geological Survey, Denver, CO; M. Starbuck, U.S. Geological Survey, Rolla, MO; L. Davis, Davis Aviation

Is Stability of the Platte River Myth or Reality? A. Steele Becker and Jacqueline V. Becker, Department of Geography and Earth Science, University of Nebraska at Kearney, Kearney NE

Soil Vegetation Correlations along Hydrologic Gradients in the Platte River Wet Meadows Andrew W. Simpson and Harold G. Nagel, Department of Biology, University of Nebraska at Kearney, NE

From Main Channel to Riverine Landscape: Maintaining Hydrological Connectivity on the Platte River Floodplain Wanli Wu, School of Natural Resource Sciences, University of Nebraska-Lincoln, Lincoln, NE

Linking the Hydroperiod to Riparian Grassland Plant Species of the Platte River in central Nebraska Robert J. Henszey and Kent Pfeiffer, Platte River Whooping Crane Maintenance Trust, Wood River, NE; Janet Keough, USGS Patuxent Wildlife Research Center, Laurel, MD

Land Management Effects on Invertebrate Diversity in Riparian Meadows of the Platte River in South-Central Nebraska Justin R. Krahulik and W. Wyatt Hoback, Department of Biology, University of Nebraska at Kearney, Kearney NE; Craig A. Davis, Whooping Crane Maintenance Trust, Inc., Wood River NE

Alternative Methods to Maintain and Enhance Wet Meadow Habitat Along the Platte River, Nebraska Mark M. Czaplewski, Central Platte NRD, Grand Island NE; James J. Jenniges, Nebraska Public Power District, Kearney NE; Mark J. Humpert, Nebraska Game and Parks Commission, Kearney NE; Mark M. Peyton, Central Nebraska Public Power and Irrigation District, Gothenburg NE

Platte River Color-Infrared Orthophotographs Available through the Internet Michael Starbuck, U.S. Geological Survey, Mid-Continent Mapping Center, Rolla, Missouri

Reflections on EPAs CBEP Project Robert Fenemore, Project Manager, U.S. EPA Region VII, Kansas City MO

The Platte River Corridor Initiative William S. Whitney, Prairie Plains Resource Institute, Aurora NE

Influencing the Nest Site Selection of Least Terns and Piping Plovers Jeffrey F. Marcus, University of Nebraska, Lincoln, NE; John J. Dinan, Nebraska Game and Parks Commission; Lincoln, NE; Ron J. Johnson, University of Nebraska, Erin E. Blankenship, University of Nebraska, and Jeanine Lackey, University of Nebraska

Factors Influencing Soil Macroinvertebrate Communities in Riparian Grasslands of the Central Platte River Flood Plain Craig A. Davis, Platte River Whooping Crane Maintenance Trust, Wood River, NE; Jane E. Austin, USGS Biological Resources Division, Northern Prairie Wildlife Research Center, Jamestown, ND

Changes in Abundance and Distribution of Wintering Canada Geese Along the Platte Rivers of Nebraska, 1960-2000 Mark P. Vrtiska, Nebraska Game and Parks Commission, Lincoln, NE; Nick Lyman, Nebraska Game and Parks Commission, North Platte, NE

Changes in Waste Corn Availability Affect Fat Storage by Sandhill Cranes Staging in the Central Platte River Valley, Nebraska Gary L. Krapu and David A. Brandt. USGS, Northern Prairie Wildlife Research Center, Jamestown, ND

Yellow-billed Cuckoo Subspecies Designation Along the North Platte River and Other Locations in Nebraska, a New Endangered Taxon? William C. Scharf, Ecological Inventory, Traverse City, MI