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Found 1650 dataset(s) matching "biological resources".
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This data release contains predictions of stream biological condition as defined by the Chesapeake basin-wide index of biotic integrity for stream macroinvertebrates (Chessie BIBI) using Random...
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This portion of the data release presents sediment grain-size data from vibracores collected from Searsville Lake, Jasper Ridge Biological Preserve, Stanford, California in October 2018 (USGS...
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Refuge staff must make annual decisions about what management actions to implement (e.g., fire, rest, mow, hand pull, chemical, biological, seed, irrigate) in order to improve the health of native...
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Refuge staff must make annual decisions about what management actions to implement (e.g., fire, rest, mow, hand pull, chemical, biological, seed, irrigate) in order to improve the health of native...
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A method was described for determination of trace levels of silicon by inductively coupled plasma mass spectrometry (ICP-MS) from hydrofluoric (HF) digests of biological samples. The volatility of...
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NOTE: A more current version of the Protected Areas Database of the United States (PAD-US) is available: PAD-US 2.1 https://doi.org/10.5066/P92QM3NT. The USGS Protected Areas Database of the...
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This portion of the data release presents measurements and data from two vibracores (JRBP2018-VC01A and JRBP2018-VC01B) collected from Searsville Lake, a reservoir in the Jasper Ridge Biological...
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The Chesapeake Bay watershed is home to over 18.5 million people and continues to experience rapid population growth. With changes in population and land development, understanding current...
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Represents spatial predictions of biological condition at unsampled streams and lakes across the counterminous US. Also includes spatial predictions channel dimensions of unsamples streams. This...
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Data represent physical (water quality, water nutrient analysis) and biological (fish, macroinvertebrate, and vegetation community) collections from the Shiawassee National Wildlife Refuge in...
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Because of the scarcity of water on the Colorado Plateau and their disproportionately high use by flora and fauna, riparian areas have been identified as an ecosystem of concern for Northern...
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This dataset contains raw: physical, navigational, biological, and both still and video imagery data files collected during the Mesophotic and Deep Benthic Communities (MDBC) Expedition PS-22-08...
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Because of the scarcity of water on the Colorado Plateau and their disproportionately high use by flora and fauna, riparian areas have been identified as an ecosystem of concern for Northern...
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NOTE: A more current version of the Protected Areas Database of the United States (PAD-US) is available: PAD-US 3.0 https://doi.org/10.5066/P9Q9LQ4B. The USGS Protected Areas Database of the...
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The sagebrush ecosystem spans over 175 million acres in the western United States, and is biologically, culturally, and economically significant to the country. Many disturbances including...
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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...
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The U.S. Geological Survey (USGS) Coral Reef Ecosystems Studies (CREST) project (https://coastal.er.usgs.gov/crest/) provides science that helps resource managers tasked with the stewardship of...
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The U.S. Geological Survey (USGS) Coral Reef Ecosystems Studies (CREST) project (https://coastal.er.usgs.gov/crest/) provides science that helps resource managers tasked with the stewardship of...
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The U.S. Geological Survey (USGS) Coral Reef Ecosystems Studies (CREST) project (https://coastal.er.usgs.gov/crest/) provides science that helps resource managers tasked with the stewardship of...
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The U.S. Geological Survey (USGS) Coral Reef Ecosystems Studies (CREST) project (https://coastal.er.usgs.gov/crest/) provides science that helps resource managers tasked with the stewardship of...
