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Found 7805 dataset(s) matching "population".
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Observation data and model covariate data from breeding bird inventory conducted during May-June 2004 and 2008 primarily in montane areas (>100 m above sea level) in Aniakchak National Monument...
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Crested (Aethia cristatella) and Least Auklets (Aethia pusilla) are crevice-nesting birds that breed in large mixed colonies at relatively few sites in the Aleutian Chain, Bering Sea, Gulf of...
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The Poverty Mapping Project: Global Subnational Infant Mortality Rates data set consists of estimates of infant mortality rates for the year 2000. The infant mortality rate for a region or country...
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This data set provides sample information, microsatellite genotype, and NCBI accession numbers for mitochondrial DNA sequences of peregrine falcons (Falco peregrinus) from North America and Russia.
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The objective of this ongoing study is to investigate how pulses of precipitation translate into pulses of plant aboveground net primary productivity (NPP) across grassland to shrubland ecotones...
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Photography from helicopter (or plane) taken for the purposes of resource monitoring, specifically seabird colony status and distribution. The USFWS has conducted aerial surveys to photograph...
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This data set includes capture location, date, sex, and results of molecular gene transcription analysis for sea otters (Enhydra lutris) sampled in western Prince William Sound (WPWS), Alaska and...
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This data set contains information from recording devices that were set to record regularly during summer breeding seasons. A single observer listened to 2692 recordings, noting which species were...
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<p dir="ltr">A total of 30 isolates of Colletotrichum sublineola, causal agent of sorghum anthracnose were collected from Georgia, North Carolina, Puerto Rico, and Texas. Data for their virulence...
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These data are from capture-mark-recapture studies of the giant gartersnake, Thamnophis gigas, in the Sacramento Valley of California, USA from 1999-2016. The data are primarily capture histories...
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In September 2023, the USGS demonstrated the use of side-scan sonar to image large densities of invasive carp in Creve Coeur Lake, Maryland Heights, Missouri, USA. A 400-meter reach was surveyed...
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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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Juvenile Chinook salmon (age 0 and age 1), steelhead, and sockeye salmon were acoustic tagged and released at sites along the Yakima River in and below Yakima, WA 2018-2024. Detection sites varied...
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The U.S. Geological Survey Precipitation-Runoff Modeling System (PRMS) was used to assess the effects of changing climate and land disturbance on seasonal streamflow in the Rio Grande Headwaters...
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This study generated genetic polymorphism data at a genome scale by whole-genome shotgun DNA sequencing of Mariana Crow (Corvus Kubaryi). DNA was extracted from blood tissue originally collected...
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Federally-threatened ago-0 spring Chinook salmon (Oncorhynchus tshawytscha) were acoustic tagged and released near Lookout Point Reservoir to estimate passage and survival during the second year...
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This dataset provide maps to show the search and harvest areas used by community residents for all subsistence resources combined across Interior Alaska for the years 2011 through 2017. The maps...
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<p>This package contains values of mean annual aboveground net primary production (NPP, in grams per square meter per year) at 15 NPP study sites on Jornada Experimental Range (JER) and Chihuahuan...
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This data release contains one table of genetic data (mitochondrial haplotypes and nuclear microsatellite genotypes) used to evaluate utility of two morphological measures (culmen length and...
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A study was conducted in the Yakima River Basin in Washington state to evaluate behavior of juvenile Chinook salmon and Coho salmon upstream of Tieton Dam from April to November 2024. The goal of...
