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Found 2199 dataset(s) matching "abundance".
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Annotated bibliography of grazing effects on amphibians and their habitats (ver. 2.0, February 2022)
This database contains literature citations and associated summaries pertaining to livestock grazing effects on amphibians and their habitats, with an emphasis on the Oregon spotted frog (Rana...
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These data are the characteristics of the individual snags (standing dead trees) found at 15 sample points with three 0.05-ha circular plot habitat samples taken in 2005 at sample points at Spears...
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These data are detections of reptiles in 2006 under 2 ft x 2 ft dimension plywood coverboards at four of the 15 sample points at Spears and Didion Ranches, Placer County, California. There are 81...
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We determined their critical thermal maximum (CTMax) of four species of Eleutherodactylus frogs (E. wightmanae, E. brittoni, E. antillensis, E. coqui) to understand their response to warming...
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This page includes legacy releases of North American Breeding Bird Survey (BBS) data for the periods beginning in 1966 and ending with the years 2000 through 2015. These releases have been...
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The 1966-2016 North American Breeding Bird Survey (BBS) dataset contains avian point count data for more than 700 North American bird taxa (species, races, and unidentified species groupings)....
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The U.S. Geological Survey (USGS), working in cooperation with the U.S. Fish and Wildlife Service, installed a groundwater and vegetation monitoring network in a proposed wetland area east of the...
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<DIV STYLE="text-align:Left;"><DIV><P><SPAN>These data are detections of reptiles in 2005 from visual encounter searches of an area constrained to a 100-m radius circle around each of 15 fixed...
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The 1966-2021 North American Breeding Bird Survey (BBS) dataset contains avian point count data for more than 700 North American bird taxa (species, races, and unidentified species groupings)....
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<div style='text-align:Left;'><div><div><p><span>These data are the characteristics of the individual live trees found in 0.05-ha circular plot habitat samples taken in 2005 at sample points at...
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The U.S. Geological Survey (USGS), working in cooperation with the U.S. Fish and Wildlife Service, installed a groundwater and vegetation monitoring network in a proposed wetland area east of the...
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The 1966-2023 North American Breeding Bird Survey (BBS) dataset contains avian point count data for more than 700 North American bird taxa (species, races, and unidentified species groupings)....
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>These data are the detections of Virginia rail (Rallus limicola), Sora (Porzana carolina), and California black rail (Laterallus jamaicensis) from...
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These data are detections of bison in Grand Canyon National Park made during helicopter surveys between 2019 and 2021, and an aerial infrared imagery survey done in February 2020.
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These data are detections of reptiles in 2005 from visual encounter searches of an area constrained to a 100-m radius circle around each of 15 fixed sample points at Spears and Didion Ranches,...
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Tabular dataset containing age, sex, and length biometric data for all whitefish species detected and recorded at the Andreafsky weir for 2010-2013 and 2015. Data was compiled from in-season data...
