Found 508 datasets matching "aquatic surveys".
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This dataset provides USFS Aquatic Organism Passage (AOP) survey data. It shows stream passage locations, passage measurements, and passability assessment categories from AOP field surveys....
Search relevance: 121.91 | Views last month: 4 -
The National Aquatic Resource Surveys National Lakes Assessment data contain lake conductivity information at lakes in the contiguous United States. The LakeCat data contain watershed metrics for...
Search relevance: 95.41 | Views last month: 0 -
Scanned images of hand written Invasive Aquatic Plant Screening Survey forms and maps. Organized by year. See most recent protocol for more information on data collection methods.
Search relevance: 70.20 | Views last month: 0 -
Dataset contains reef fish species, count, and abundance data from sites located throughout the Eastern coastline of Hawaii Island. Fish data are derived from fish and habitat utilization surveys...
Search relevance: 69.68 | Views last month: 0 -
National Lakes Assessment 2012 Datafiles for Report “National Lakes Assessment 2012: A Collaborative Survey of lakes in the United States”: The National Lakes Assessment (NLA) is a statistical...
Search relevance: 63.86 | Views last month: 2 -
The National Lakes Assessment (NLA) is a statistical survey of the condition of our nation's lakes, ponds, and reservoirs. It is designed to provide information on the extent of lakes that support...
Search relevance: 62.06 | Views last month: 12 -
National Lakes Assessment 2007 Datafiles for Report “National Lakes Assessment: A Collaborative Survey of the Nation’s Lakes”: The National Lakes Assessment (NLA) is a statistical survey of the...
Search relevance: 61.66 | Views last month: 0 -
The National Wetland Condition Assessment (NWCA) is a statistical survey of the condition of wetlands in the conterminous United States. It is designed to provide information on the extent of...
Search relevance: 61.49 | Views last month: 1 -
The National Wetland Condition Assessment (NWCA) is a statistical survey of the condition of wetlands in the conterminous United States. It is designed to provide information on the extent of...
Search relevance: 61.15 | Views last month: 0 -
The National Wetland Condition Assessment (NWCA) is a statistical survey of the condition of wetlands in the conterminous United States. It is designed to provide information on the extent of...
Search relevance: 60.89 | Views last month: 4 -
National Coastal Condition Assessment 2015 Datafiles for Report “National Coastal Condition Assessment: A Collaborative Survey of the Nation's Estuaries and Nearshore Great Lakes”: The National...
Search relevance: 60.32 | Views last month: 1 -
These data are from EPA's national coastal monitoring programs and include data from the water column, sediments, and biota, 1990-2015. This dataset is associated with the following...
Search relevance: 56.59 | Views last month: 0 -
The National Lakes Assessment (NLA) is a statistical survey of the condition of our nation's lakes, ponds, and reservoirs. It is designed to provide information on the extent of lakes that support...
Search relevance: 49.35 | Views last month: 6 -
Benthic macroinvertebrate occurrence data and physiochemical variables were retrieved from the 2018-2019 National Rivers and Stream Assessment...
Search relevance: 43.74 | Views last month: 4 -
The National Rivers and Streams Assessment (NRSA) is a statistical survey of the condition of our nation's perennial rivers and streams. It is designed to provide information on the extent of...
Search relevance: 42.65 | Views last month: 3 -
The National Rivers and Streams Assessment (NRSA) is a statistical survey of the condition of our nation's perennial rivers and streams. It is designed to provide information on the extent of...
Search relevance: 42.57 | Views last month: 4 -
Water stable isotope data measured on water chemistry samples collected as part of the National Aquatic Resource Surveys (NARS). One file is for the National Rivers and Streams Assessment (NRSA),...
Search relevance: 40.97 | Views last month: 6 -
The National Rivers and Streams Assessment (NRSA) is a statistical survey of the condition of our nation's perennial rivers and streams. It is designed to provide information on the extent of...
Search relevance: 39.27 | Views last month: 0 -
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...
Search relevance: 38.63 | Views last month: 0 -
Observations and subtle shifts of vegetation communities in Lake Erie have USGS researchers concerned about the potential for Grass Carp to alter these vegetation communities. Broad-scale surveys...
Search relevance: 38.31 | Views last month: 2
