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Found 117 dataset(s) matching "population status and trend".
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The Survey of Earned Doctorates (SED) is an annual census conducted since 1957 of all individuals receiving a research doctorate from an accredited U.S. institution in a given academic year. The...
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These detailed tables show trends in population totals and prevalence estimates of illicit drug use, risk and protective factors, substance initiation, substance dependence/abuse, and need/receipt...
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This dataset includes all North American Breeding Bird Survey data collected in Mexico between 2008-2018. These data were used as the basis for all analyses discussed in an associated publication:...
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Urban growth and climate change together complicate planning efforts meant to adapt to increasingly scarce water supplies. Several studies have shown the impacts of urban planning and climate...
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Urban growth and climate change together complicate planning efforts meant to adapt to increasingly scarce water supplies. Several studies have shown the impacts of urban planning and climate...
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The Southern Resident killer whale (SRKW) population is threatened by a number of identified risk factors including prey availability, contaminants, vessel noise and disturbance, and small...
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During the second part of the twentieth century, research advances caused a substantial decline in the rate of coronary heart disease. The decline lasted from the mid-1960s until the early 1990s...
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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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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...
