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Species of Greatest Conservation Need National Database 2005-2022 Species of Greatest Conservation Need National Database 2005-2022

The Species of Greatest Conservation Need National Database is an aggregation of lists from State Wildlife Action Plans. Species of Greatest Conservation Need (SGCN) are wildlife species that need conservation attention as listed in action plans. In this database, we have validated scientific names from original documents against taxonomic authorities to increase consistency among names...

Sr/Ca, Oxygen Isotope, and Linear Extension Data for Five Holocene Orbicella faveolata Corals from Dry Tortugas and Marquesas Keys, Florida, USA Sr/Ca, Oxygen Isotope, and Linear Extension Data for Five Holocene Orbicella faveolata Corals from Dry Tortugas and Marquesas Keys, Florida, USA

This data release contains new, 40–70-year long sub-annual strontium-to-calcium ratio (Sr/Ca) records and linear extension measurements from five mid-to-late Holocene, Orbicella faveolata corals from the Dry Tortugas National Park (DT) and Marquesas Keys (MK), Florida (FL). U.S. Geological Survey (USGS) researchers used these Sr/Ca data to calculate sea-surface temperature (SST) using...

SSEBop Evapotranspiration from Landsat, 2000-2020 CONUS Monthly Actual ET (ETa) SSEBop Evapotranspiration from Landsat, 2000-2020 CONUS Monthly Actual ET (ETa)

USGS Evapotranspiration estimates provide useful information for a range of land use applications, from calculating a basin’s water budget to assessment of water consumption for crop yield and drought monitoring. This USGS data release is a result of using the OpenET Google Earth Engine (GEE) implementation of the USGS EROS Operational Simplified Surface Energy Balance (SSEBop)...

Stable carbon (C13) and nitrogen (N15) isotopic values of American alligators within the Florida Everglades (2013-2020) Stable carbon (C13) and nitrogen (N15) isotopic values of American alligators within the Florida Everglades (2013-2020)

This dataset contains morphometric and isotopic data for American alligators (Alligator mississippiensis) that were sampled from within four freshwater (FW) wetlands and one estuarine (EST) wetland within the Greater Everglades ecosystem. Due to their compartmentalization and varied habitat and water regimes, there were multiple sampling sites within two of the FW wetlands. The five...

Stable hydrogen and oxygen isotopic composition of surface and groundwater samples from central and eastern Washington, USA Stable hydrogen and oxygen isotopic composition of surface and groundwater samples from central and eastern Washington, USA

In this data release, hydrogen-2 and oxygen-18 isotope ratios are presented for 158 unique sites in central and eastern Washington. There are 16 unique surface water sites with a total of 140 samples, and 142 groundwater sites with a total of 167 samples. Sample dates range from February 1993 to February 2021. Stable isotope analysis of water utilizes slight differences in the mass of...

Stable hydrogen and oxygen isotopic compositions of precipitation samples from selected Virginia and West Virginia National Atmospheric Deposition Program (NADP) sites Stable hydrogen and oxygen isotopic compositions of precipitation samples from selected Virginia and West Virginia National Atmospheric Deposition Program (NADP) sites

The stable hydrogen (delta 2H) and oxygen (delta 18O) isotopic compositions of more than 1,400 daily or weekly composite samples of precipitation from four National Atmospheric Deposition Program (NADP) sites (VA10, VA27, VA28, and WV99) in Virginia and West Virginia were analyzed on archived samples obtained from NADP over various time periods from as early as 1998. The samples are from...

Stable Isotope Concentrations in Native Fish Tissues Sampled on November 19, 2019, from the Santa Ana River, near Colton, California (ver. 1.1, September 2025) Stable Isotope Concentrations in Native Fish Tissues Sampled on November 19, 2019, from the Santa Ana River, near Colton, California (ver. 1.1, September 2025)

This dataset includes carbon-13 (d13C) and nitrogen-15 (d15N) stable isotope analysis from muscle, fin, and eye lens (laminae) tissues from Santa Ana sucker (Pantosteus santaanae) and arroyo chub (Gila orcutti) collected by the Riverside Corona Resource Conservation District (RCRCD) during a fish salvage effort in the Santa Ana River, near Colton, California, USA, on November 19, 2019...

Stable Isotope Values of Black Oystercatchers and their Prey Stable Isotope Values of Black Oystercatchers and their Prey

These data contain carbon and nitrogen isotope ratios in samples of Black Oystercatcher tissues (feathers and claws), as well as tissues from several species of prey, including mussels, limpets, clams, and snails. Samples were collected across a significant portion of the Black Oystercatcher's range, including the coast of the northern Gulf of Alaska down to the Salish Sea in British...

Stable Isotopes of Fish, Invertebrates, and Vegetation in the Northern Sacramento-San Joaquin Delta, California, 2022-2024 Stable Isotopes of Fish, Invertebrates, and Vegetation in the Northern Sacramento-San Joaquin Delta, California, 2022-2024

This dataset includes lab data for stable isotopes of fish tissue, invertebrates, and vegetation collected during daylight hours in the Northern Sacramento-San Joaquin Delta and drainage channels of the Yolo By-Pass, California, USA during summer 2022, 2023, and 2024. This data release includes all animal taxa and isotope values.

Stable oxygen, hydrogen, sulfur, carbon, and nitrogen isotope analyses of mineral deposits and mineral occurrences Stable oxygen, hydrogen, sulfur, carbon, and nitrogen isotope analyses of mineral deposits and mineral occurrences

Stable isotope analyses are reported (the ratios deuterium/protium, carbon-13/carbon-12, oxygen-18/oxygen-16, sulfur-34/sulfur-32, nitrogen-15/nitrogen-14) for ores and related rocks, and mineral occurrences in sedimentary, igneous, and metamorphic rocks from Hicks Dome, Illinois; Clementine copper porphyry prospect, Boulder copper porphyry, and the Elkhorn Mining District, Montana; Pogo...

Stakeholder Engagement for Water-Hazard Science and Response in the USGS Rocky Mountain Region Stakeholder Engagement for Water-Hazard Science and Response in the USGS Rocky Mountain Region

Stakeholder engagement is essential to successful development and implementation of products and services supporting emergency management. Governmental agencies often have a unique challenge of ensuring equitable stakeholder representation across large geographic, administrative, and topical areas. This project used stakeholder engagement to understand end-users needs concerning water...
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