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Found 750 dataset(s) matching "Population Ecology".
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Genetic variation is a well-known indicator of population fitness yet is not typically included in monitoring programs for sensitive species. Additionally, most programs monitor populations at one...
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Three studies were conducted in Shasta Reservoir in California to evaluate downstream migration and behavior of juvenile late-fall run Chinook salmon (Oncorhynchus tshawutscha) released in the...
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The file 'ssm_data.csv' contains data necessary for analyzing state-space models for male greater sage-grouse (Centrocercus urophasianus) populations in response to grazing level (relative grazing...
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These data represent predicted common raven (Corvus corax) density (ravens/square-km) derived from random forest models given field site unit-specific estimates of raven density that were obtained...
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In January 2023, the USGS demonstrated the use of side-scan sonar and down-imaging sonar to locate and quantify fish including invasive carp. A dike pool in the study area was surveyed (254-meter...
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Data presented are results of surveys and monitoring in 2017 for Southwestern Willow Flycatcher (Empidonax traillii extimus) in San Diego County, California. Surveys were conducted at locations...
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These data represent holdfast diameters of giant kelp (Macrocystis pyrifera) that were greater than one meter tall and were on fixed 10-meter by 2-meter benthic transects on permanent subtidal...
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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...
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The main contents of this data release are estimates of daily and annual abundances of federally-threatened natural-origin age-0 fall Chinook salmon (Oncorhynchus tshawytscha) passing Lower...
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These data represent sizes of individuals of the sea urchin species Strongylocentrotus franciscanus (also known as Mesocentrotus franciscanus) and Strongylocentrotus purpuratus on permanent...
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Annual spring (May) and fall (late October through early November) gillnet assessment surveys were conducted by researchers at the USGS Great Lakes Science Center (GLSC) in northern Lake Michigan,...
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Data presented are results of surveys and monitoring in 2018 for Southwestern Willow Flycatcher (Empidonax traillii extimus) in San Diego County, California. Surveys were conducted at locations...
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Acoustic telemetry is a popular tool for the study of fish spatial ecology. In acoustic telemetry, fish are captured, surgically implanted with an acoustic transmitter or ‘tag’, and then released...
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The dataset is composed of four tables containing data collected during screening surveys for invasive Round Goby (Neogobius melanostomus) at 12 sites on the Eastern Erie Canal in New York between...
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Data presented are results of surveys in 2021 for Southwestern Willow Flycatcher (Empidonax traillii extimus) in San Diego County, California. Surveys were conducted at the 2016-19 nest monitoring...
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Data presented are results of surveys and monitoring in 2019 for Southwestern Willow Flycatcher (Empidonax traillii extimus) in San Diego County, California. Surveys were conducted at locations...
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Data presented are results of surveys in 2023 for Southwestern Willow Flycatcher (Empidonax traillii extimus) in San Diego County, California. Surveys were conducted at the 2016-19 nest monitoring...
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These data are survey data for two locations (Matthews Pond and Lily Pond) on Cameron Pass in Colorado (1986-2025) including dates and environmental covariates (air and water temps and wind/cloud...
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The dataset is composed of three data tables containing information from electrofishing and pebble count surveys conducted in tributaries to the Mohawk River in central and eastern New York during...
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These datasets are the inputs, script, and output of bird species richness modeling for the southeastern United States in the years 2001, 2006, and 2011 using general joint attribute modeling...
