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Observations and subtle shifts of vegetation communities in western Lake Erie have USGS researchers concerned about the potential for Grass Carp to alter these vegetation communities. Broad-scale surveys of vegetation using remote sensing and GIS mapping, coupled with on-the-ground samples in key locations will permit assessment of the effect Grass Carp may have already had on aquatic vegetation communities and establish baseline conditions for assessing future effects. Existing aerial imagery was used with object-based image analysis to detect and map aquatic vegetation in the western basin of Lake Erie.


map background search result map search result map USGS Topo Map Vector Data (Vector) 11258 Dalzell, Ohio 20200225 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16764 Gap Mills, West Virginia 20200416 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 31343 Narrows, Virginia 20190917 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 31343 Narrows, Virginia 20190917 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 40134 Saylorsburg, Pennsylvania 20190919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 4440 Bloomington, Indiana 20190704 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 5573 Brodheadsville, Pennsylvania 20190920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 31799 New Martinsville, West Virginia 20200416 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 31799 New Martinsville, West Virginia 20200416 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 33929 Paint Bank, Virginia 20190917 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 34013 Palmerton, Pennsylvania 20190920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36288 Powhatan Point, Ohio 20200225 for 7.5 x 7.5 minute FileGDB 10.1 Lake Erie, Western Basin Aquatic Vegetation data USGS Topo Map Vector Data (Vector) 862 Ames, Illinois 20210629 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 9677 Columbia, Illinois 20210629 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 70382 Hillsboro, Wisconsin 20190325 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 32776 Oakdale, Wisconsin 20190325 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 32776 Oakdale, Wisconsin 20190325 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 13029 Duncans Bridge, Missouri 20210623 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 20768 Holly Grove, Arkansas 20200915 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 11258 Dalzell, Ohio 20200225 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 16764 Gap Mills, West Virginia 20200416 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 31343 Narrows, Virginia 20190917 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 31343 Narrows, Virginia 20190917 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 40134 Saylorsburg, Pennsylvania 20190919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 4440 Bloomington, Indiana 20190704 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 5573 Brodheadsville, Pennsylvania 20190920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 31799 New Martinsville, West Virginia 20200416 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 31799 New Martinsville, West Virginia 20200416 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 33929 Paint Bank, Virginia 20190917 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 34013 Palmerton, Pennsylvania 20190920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 36288 Powhatan Point, Ohio 20200225 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 862 Ames, Illinois 20210629 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 9677 Columbia, Illinois 20210629 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 70382 Hillsboro, Wisconsin 20190325 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 32776 Oakdale, Wisconsin 20190325 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 32776 Oakdale, Wisconsin 20190325 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 13029 Duncans Bridge, Missouri 20210623 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 20768 Holly Grove, Arkansas 20200915 for 7.5 x 7.5 minute Shapefile Lake Erie, Western Basin Aquatic Vegetation data