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Found 613 dataset(s) matching "Freshwater Ecosystems".
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This dataset contains nest visit records and capture, measurement, and resight data from Spectacled Eiders (Somateria fischeri) near the Kashunuk River and on Kigigak Island on the Yukon-Kuskokwim...
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These data describe the catch and biological data from 363 bottom-set gill-net lifts distributed throughout Lake Michigan (including main basin and Green Bay) between April and November in...
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The data release presents observations of riparian vegetation, topography, soil characteristics, and ground cover in three river segments located above, below, and between the former Glines Canyon...
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Paleoecologic analyses of cores from the estuarine areas of Everglades National Park (ENP) by the U.S. Geological Survey began in the mid-1990s. Results of these analyses have contributed to an...
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This dataset provides information on the identity and number of insects that emerged from thaw pond basins on the central Arctic Coastal Plain, Alaska, during the summer growing season in 2012 and...
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These data describe estimates of large-bodied fish activity and their direction of movement with respect to a restored wetland located in Ottawa National Wildlife Refuge, Oak Harbor, Ohio, USA. ...
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This dataset is associated with an examination of environmental DNA (eDNA) from the invasive round goby (Neogobius melanostomus) in parallel with visual surveys of fish count and size conducted by...
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These locations from the Nevada telemetry study are an extension of 1997-2006 research on historical mercury contamination on snowy egrets (Egretta thula) up to ~ 20 days of age.
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Monitoring of vitamin B1 (thiamine) in the eggs of lake trout (Salvelinus namaycush) collected from lakes Huron and Michigan has been conducted by the U.S. Geological Survey since the mid-1990’s. ...
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This dataset contains taxonomic information, counts, and lengths of macroinvertebrates collected from rivers in northwest Alaska using drift and kick nets during summer and fall 2015-2019.
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This dataset contains measurements of in situ benthic biofilms from rivers of northwest Alaska during summer and fall 2016-2019. Measurements were made using a Benthotorch (bbe Moldaenke, Kiel,...
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These data were compiled to investigate the distribution and breeding status of yellow-billed cuckoos (Coccyzus americanus) in southeastern Arizona xeroriparian habitat by comparing the results of...
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This dataset is associated with an examination of environmental DNA (eDNA) obtained from freshwater matrices (i.e. benthic algae, sediment, and near bottom water) collected by scuba divers from...
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This dataset identifies lead (Pb) concentration found in the blood of waterfowl sampled in western and northern Alaska and eastern Russia between 1993 and 2022. Data include age, sex, body...
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This dataset includes tables related to macroinvertebrate collections in streams and springs of the 1002 region of the Arctic National Wildlife Refuge in northeastern Alaska. Macroinvertebrates...
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Vegetation sampling and elevation data were collected to characterize the sedge-grass meadow of Arcadia Marsh, Arcadia, Michigan (USA), a drowned river mouth wetland near Lake Michigan. Wetland...
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Data on changing hydrogeomorphic characteristics and suspended sediment availability along river gradients from nontidal through tidal freshwater to oligohaline reaches along the Mattaponi and...
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Aquatic Invertebrate Composition from Ponds and Lakes of the Arctic Coastal Plain, Alaska, 2012-2013
This dataset provides information on aquatic invertebrate composition from ponds (n = 16; surface area < 0.02 km2) and lakes (n =16, surface area > 0.10 km2) on the central Arctic Coastal...
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We collected aquatic macroinvertebrate and redband trout (Oncorhynchus mykiss newberrii) diet data in the Oregon portion of the Goose Lake Basin. Data were collected by the U.S. Geological Survey...
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This U.S. Geological Survey data release contains chemical, isotopic, and physical data from wetland pond water samples collected at the Cottonwood Lake Study Area, Stutsman County, North Dakota,...
