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Found 76 dataset(s) matching "total and relative abundance of species".
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Wetlands are frequently used in the U.S. for treating nitrate in agricultural runoff. However, numerous other biologically active contaminants, such as antibiotics and nitrification inhibitors,...
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We conducted this study in Upper Mississippi River Pools 4 and 8 to document the occurrence and cover of Phalaris arundinacea and other forest floor plants in UMR floodplain forests and relate...
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This data contains fish and invertebrate counts, weights, and measurements important to identify and describe the relationship between fishery productivity and the coastal environment....
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This dataset includes tables summarizing image information and bird counts from the aerial digital images taken over open water at Izembek Lagoon in Alaska in fall 2017-2019. These summaries list...
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The imagery and annotations presented here were generated while testing an aerial photographic survey design to improve repeatability, transparency, and estimation of variance for annual...
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Collections and observations in 2002-2003 at harbor and nearby reef sites at Nawilwili and Port Allen, Kauai; Hale O Lono and Kaunakakai, Molokai; Kahului and Maalaea, Maui; and Kawaihae and Hilo,...
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Shenandoah National Park contains hundreds of natural springs which help form the headwaters of three major watersheds that empty into Chesapeake Bay. Virginia Tech partnered with the National...
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<p dir="ltr">Two .csv files: Metadata and Master Data. The Metadata describes column variables for the Master Data file that contains all of the information used in the analyses. This project...
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Changes in ocean conditions such as chemical and thermal shifts are habitat pressures on marine organisms. As the basis of the marine food web, microorganisms such as bacteria and phytoplankton...
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<p>The objective of this study was to explore the R. microplus microbiome by applying the bacterial 16S tag-encoded FLX-titanium amplicon pyrosequencing (bTEFAP) technique to characterize its...
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To better understand the functional roles of parrotfishes on coral reefs in the Caribbean this project documented the foraging behavior and diets of six species of parrotfishes (Scarus...
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<p dir="ltr">Abstract from paper: The rhizome-, shoot- and leaf-feeding armoured scale Rhizaspidiotus donacis (Hemiptera: Diaspididae) was released for biological control of invasive arundo...
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Background Oceans are iron-deficient and nutrient-poor environments. These conditions impart limitations on our understanding of and our ability to identify microorganisms from the...
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This data set contains water temperature, salinity, and others taken by CTD and water samples from the R/V Araon in Aug. 2023 in Bering - Chukchi Sea area. The expedition was a part of an ongoing...
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This dataset is a subset of data attributes selected from the (full) 1966-2019 North American Breeding Bird Survey (BBS) dataset to assist in populating the U.S. Fish and Wildlife's FWSpecies...
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Benthic mapping surveys were conducted from March 1999 to January 2001 aperiodically in support of research related to sedimentology, sea level history, and reef development. Various parameters...
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The 1966-2019 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 1966-2018 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 1966-2017 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 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)....
