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Found 18941 dataset(s) matching "Biological Data".
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This data release contains cyanotoxin concentrations for microcystins, cylindrospermopsins, anatoxins, and saxitoxins assessed using Enzyme-Linked Immunosorbent Assays (ELISA) on 363 samples...
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These data are in seven tables relating to surveys of eelgrass beds in Duchikthluk and Shoal Bays of Nunivak Island, Alaska. The tables provide environmental conditions, eelgrass abundance,...
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In 1962, Congress authorized the Continental Margin Program, a joint program between the U.S. Geological Survey (USGS) and the Woods Hole Oceanographic Institution (WHOI) to conduct a geological...
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Data were collected as part of an investigation developed by Leetown Science Center to investigate the comparative detection of avian influenza viruses from waterfowl and potential environmental...
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The data consist of levels of organic pollutants found in the blue mussels (Mytelus trossulus) samples from 44 sites along the Aleutian archipelago and in Cross Sound in southeast Alaska. For each...
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This data release includes a collection of photographs and video clips. Above water observations were taken with with a Nikon D5300 digital camera and underwater observations were taken with a...
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The Katahdin Woods and Waters National Monument Seboeis Unit Vegetation Mapping Project was initiated in the fall of 2019 by a grant through the USGS Natural Resource Preservation Program to...
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This data release contains the methodology and results of two field experiments performed in 2024 to better understand how predation impacts detection efficiency of acoustic tags. The first...
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This dataset contains catch data for juvenile Atlantic Sturgeon in the Hudson River from 2003 - 2005. This project was funded by the NY State Department of Environmental Conservation (NYSDEC)...
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A long-term, multiseason, fish egg sampling program is conducted annually on the Detroit, Saint Clair, and Saint Marys rivers to identify where productive fish spawning habitat currently exists...
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This data layer provides the location where samples were taken in a survey conducted by P. Pellegrino and W. Hubbard (1983)
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This data set contains information on zooplankton and associated environmental parameters for sampling conducted in the San Joaquin River and False River near their confluence at Jersey Point...
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During GLBA field surveys, observation data are directly recorded into an ArcGIS file geodatabase through a custom application that runs on laptops and later iPads. These are stored in their...
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During GLBA field surveys, observation data are directly recorded into an ArcGIS file geodatabase through a custom application that runs on laptops and later iPads. These are stored in their...
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These data contain morphometric measurements collected on the left side of Cisco (Coregonus artedi) collected from Lake Ontario in 2018. Measurements were obtained by two methods, first by direct...
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During GLBA field surveys, observation data are directly recorded into an ArcGIS file geodatabase through a custom application that runs on laptops and later iPads. These are stored in their...
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During GLBA field surveys, observation data are directly recorded into an ArcGIS file geodatabase through a custom application that runs on laptops and later iPads. These are stored in their...
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During GLBA field surveys, observation data are directly recorded into an ArcGIS file geodatabase through a custom application that runs on laptops and later iPads. These are stored in their...
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The data consist of levels of organic pollutants found in the blood of sea otters captured from five areas in the western Aleutian Islands and in Cross Sound in southeast Alaska. For each...
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Hydroacoustics is a common sampling tool in freshwater and marine ecosystems, yet the full potential of this tool remains restricted, owing to an incomplete understanding of the influence of many...
