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Found 532 dataset(s) matching "abundance estimation".
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This data type contains data from sampling and analysis of marine zooplankton. Information on zooplankton abundance, distribution and productivity derived from these data support studies of marine...
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<p>This package contains perennial vegetation cover data measured using the line-intercept method from plots with various levels of herbivore exclusion on Jornada Experimental Range (JER) and...
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Background NF1 refers to type 1 neurofibromatosis syndrome, which has been linked with mutations of the large NF1 gene. NF1 tumor suppressor protein, neurofibromin, has been shown to...
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This study demonstrates the important role that long term monitoring programs can play in understanding the natural variability and long term trends in the coral reefs of American Samoa. One...
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In the face of sea level rise and as climate change conditions increase the frequency and intensity of tropical storms along the north-Atlantic Coast, coastal areas will become increasingly...
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In the face of sea level rise and as climate change conditions increase the frequency and intensity of tropical storms along the north-Atlantic Coast, coastal areas will become increasingly...
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Broad survey lines, island radial survey lines, coastal survey lines, and focal-area (Santa Barbara Channel) survey lines were surveyed during each oceanographic season: spring (May), fall...
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Exotic plants are species that have been introduced to an ecosystem by human activities. Usually exotics come from other countries or continents, but they may also come from other regions of the...
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Data provided in this dataset were collected around the U.S. Virgin Islands (USVI) as part of NOAA National Centers for Coastal Ocean Science (NCCOS)-led missions in collaboration with partners at...
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Data on prairie dog densities, flea abundance on prairie dogs, and plague epizootics in Montana and Utah, USA, 2003-2005. Prairie dog species (PDspecies in the data file) included black-tailed...
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A geodatabase was developed to compile Curve Fit (Version 10.1; De Jager and Fox, 2013) regression tool adjusted R-squared outputs for wild celery (Vallisneria americana), wild rice (Zizania...
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A geodatabase was developed to compile Curve Fit (Version 10.1; De Jager and Fox, 2013) regression tool standard error outputs for wild celery (Vallisneria americana), wild rice (Zizania aquatica)...
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A geodatabase was developed to compile Curve Fit (Version 10.1; De Jager and Fox, 2013) regression tool standard error outputs for wild celery (Vallisneria americana), wild rice (Zizania aquatica)...
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A geodatabase was developed to compile Curve Fit (Version 10.1; De Jager and Fox, 2013) regression tool standard error outputs for wild celery (Vallisneria americana), wild rice (Zizania aquatica)...
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Monitoring the community structure and metabolic activities of cyanobacterial blooms in Upper Klamath Lake, Oregon, is critical to lake management because these blooms degrade water quality and...
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Paleoecologic analyses of cores from the estuarine areas of Everglades National Park (ENP) by the U.S. Geological Survey began in the mid-1990s. Results of these analyses have contributed to an...
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Yellow sweet clover (Melilotus officinalis; clover hereafter) is a biennial legume native to Eurasia that is now present in all 50 states. Clover can grow 2 m tall and achieve high densities...