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Found 154 dataset(s) matching "SPECIES COUNT PER SAMPLE".
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Throughout the Upper Mississippi River System (UMRS), floods in 1993 and 2019 were record-setting events in terms of flood stage and duration of flooding. Floodplain tree species are adapted to...
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Coastal wetlands are major global carbon sinks; however, quantification of carbon flux can be difficult in these heterogeneous and dynamic ecosystems. To characterize spatial and temporal...
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We combined approximately 28,000 raven point count surveys with data from more than 900 sage-grouse nests between 2009 and 2019 within the Great Basin, USA. We modeled variation in raven density...
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<p dir="ltr">Lower activity threshold study</p><p dir="ltr">To evaluate the lower activity threshold, <i>E. giganteana</i> larvae were collected starting in the first week of April to May 21st,...
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Coral and sponge presence, abundance (measured as catch per unit effort (CPUE)), and diversity (number of coral families) models were generated based off of data from bottom trawl surveys in the...
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This dataset reports plankton species abundance from 5 sites off the Florida Panhandle at the head of DeSoto Canyon, Gulf of Mexico aboard the R/V Bellows cruise BE-1415 on 2014-05-31. The R/V...
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The Central Valley Angler Survey, or CVAS, monitors sport fisheries in the Sacramento River system, from the Carquinez Strait to Keswick Dam near Redding, and on the lower Mokelumne, Yuba,...
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The imagery and annotations presented here were generated while testing an aerial photographic survey design to improve repeatability, transparency, and estimation of variance for annual...
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<p>We evaluated the flight behavior of <em>E. giganteana</em> in response to semiochemicals identified from other closely related <em>Eucosma</em> species, including: (Z)- and (E)-8-dodecenyl...
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This portion of the data release presents fish abundance data from samples collected in the Elwha River estuary, Washington, in 2006, 2007, 2013, and 2014 (no associated USGS Field Activities...
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<p>This data package was produced by researchers working on the Shortgrass Steppe Long Term Ecological Research (SGS-LTER) Project, administered at Colorado State University. Long-term datasets...
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This dataset contains vegetation plot survey data collected at 36 sites across the Berg and Eerste River catchments in the Western Cape, South Africa collected during 2022 and again in 2023 during...
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This data publication contains data files collected as part of a field and laboratory effort aimed at estimating the prevalence and altitudinal distribution of avian malaria in forest birds and in...
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Changes in ocean conditions such as chemical and thermal shifts are habitat pressures on marine organisms. As the basis of the marine food web, microorganisms such as bacteria and phytoplankton...
