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Native ranges of freshwater fishes of North America Native ranges of freshwater fishes of North America
Background: The Nonindigenous Aquatic Species (NAS) Database functions as a repository and clearinghouse for the occurrence of nonindigenous aquatic species information from across the United States. The Database contains locality information on more than 1,300 species introduced as early as 1800, including freshwater vertebrates and invertebrates, aquatic plants, and marine fishes. Taxa...
Seagrass, benthic invertebrate, and water-quality data for a near-shore area of the Laguna Madre near South Padre Island, Texas, July 2021 Seagrass, benthic invertebrate, and water-quality data for a near-shore area of the Laguna Madre near South Padre Island, Texas, July 2021
The U.S. Geological Survey, in cooperation with the City of South Padre Island, Texas, collected baseline seagrass, benthic invertebrate, and water-quality data for a near-shore area of the Laguna Madre near South Padre Island in July 2021. Sample and data collection points were located within a grid consisting of eight transects and three sampling points on each transect. The data...
Organic and Metal Contaminants in Fish Tissue Collected from the Niagara River Area of Concern, New York, 2018 Organic and Metal Contaminants in Fish Tissue Collected from the Niagara River Area of Concern, New York, 2018
Fish tissue from 203 samples collected at five locations in the Niagara River Area of Concern in 2018 were analyzed for a wide range of analytes including Polychlorinated Biphenyls (PCBs), pesticides (E1 and E2), polycyclic aromatic hydrocarbons (PAH), organochlorine and other persistent organic compounds, metals, lipid and moisture. Over 230 analytes were analyzed in the tissue samples...
Cutthroat trout mark-recapture and growth data from western Montana and western Wyoming 2011-2016 Cutthroat trout mark-recapture and growth data from western Montana and western Wyoming 2011-2016
Data include a mark-recapture dataset of cutthroat trout. Data indicate date of marking and recapture, size at marking, growth, basin data were collected, year data were collected, and unique identification tags.
Landslide Inventories across the United States (ver. 2.0, June 2022) Landslide Inventories across the United States (ver. 2.0, June 2022)
Landslides are damaging and deadly, and they occur in every U.S. state. However, our current ability to understand landslide hazards at the national scale is limited, in part because spatial data on landslide occurrence across the U.S. varies greatly in quality, accessibility, and extent. Landslide inventories are typically collected and maintained by different agencies and institutions...
Sediment and Radiochemical Characteristics from Shore-Perpendicular Estuarine and Marsh Transects in the Grand Bay National Estuarine Research Reserve, Mississippi Sediment and Radiochemical Characteristics from Shore-Perpendicular Estuarine and Marsh Transects in the Grand Bay National Estuarine Research Reserve, Mississippi
To examine sediment transport and provenance between a marsh and estuary, surface sediments were collected along two transects in the Grand Bay National Estuarine Research Reserve, Mississippi (GNDNERR). Each shore-perpendicular transect consisted of fifteen surface samples, collected every 2.5 meters (m) from 10-m out into the estuary to 25-m into the marsh from the shoreline. Sediment...