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Principal components of climate variation in the Desert Southwest (ver. 2.0, September 2019) Five principal components are used to represent the climate variation in an original set of 12 climate variables reflecting precipitation and temperature gradients. The dataset provides coverage for four regions (the Sonoran Desert, Mojave Desert, Colorado Plateau, and Southern Great Basin) and three time periods including current climate (defined as the 1980-2010 normal period) and future climate (2010-2040 and 2040-2070 normal periods) under the RCP4.5 and RCP8.5 emission scenarios. Climate variables were chosen based on their known influence on local adaptation in plants, and include: mean annual temperature, summer maximum temperature, winter minimum temperature, annual temperature range, temperature seasonality... Categories: Data Release - Revised; Tags: Arizona, California, Colorado, Colorado Plateau, Great Basin, All tags... Mojave Desert, Nevada, New Mexico, Sonoran Desert, USGS Science Data Catalog (SDC), United States, Utah, atmospheric and climatic processes, climatologyMeteorologyAtmosphere, geospatial analysis, precipitation, Fewer tags Biogeochemical data of water, sediments, periphyton, and macroinvertebrates collected from springs in and near Grand Canyon National Park, Arizona (ver. 4.0, October 2022) The U.S. Geological Survey is studying uranium and associated trace element bioaccumulation in aquatic invertebrates across a gradient of dissolved uranium concentrations in spring outflow pools and creeks in the Grand Canyon and adjacent watershed. This data release makes available data from sampling campaigns in April 2016, April 2017, and in April 2019. Data collected include: (1) major ion, trace element and dissolved organic carbon in surface waters of spring outflow pools and streams; (2) concentrations of uranium and other trace elements in bed sediment, periphyton, and larva of aquatic insect taxa; (3) uranium and iron extraction data from a subset of bed sediment samples, and (4) X-ray diffraction data... Categories: Data, Data Release - Revised; Tags: Garden Creek, Grand Canyon National Park, Horn Creek, Pigeon Spring, Pipe Creek, All tags... Salt Creek, Slide Spring, USGS Science Data Catalog (SDC), Wildband Spring, aquatic biology, bioaccumulation, chemical analyses, geochemistry, periphyton, Fewer tags 1995 - 2007 Ecosystem History of South Florida's Estuaries Database (ver. 1.1, June 2022) The 1995 - 2007 Ecosystem History of South Florida's Estuaries Database contains listings of all sites (modern and core), modern monitoring site survey information (water chemistry, floral and faunal data, bottom type, etc.), and published core data. Three general types of data are contained within this database: 1) Modern Field Data (1995-2007), 2) Master list of location information on all modern sites, and 3) Core data - faunal assemblages and location information. Data are available for modern sites and cores in the general areas of Florida Bay, Biscayne Bay, and the southwest (Florida) coastal mangrove estuaries. Specific sites in the Florida Bay area include Taylor Creek, Bob Allen Key, Russell Bank, Pass... Categories: Data Release - Revised; Tags: 002, 004, 007, 008, 012, All tags... 014, Alinas Reef, Alligator Bay, Arsenicker Bank, Arsenicker Key, Arsenicker Shoal, Barnes Key, Big Cypress National Preserve, Big Lostmans Bay, Biscayne Bay, Black Creek Canal, Black Point, Black Point Creek Canal, Bob Allen Key, Bottle Key, Broad River, Broad River Bay, Broward County, Buchanan Bank, Butternut Key, Buttonwood Keys, C-111 Canal, Caesars Cut, Cape Sable, Card Bank, Central Everglades, Chicken Key, Chokoloskee Bay, Clive Key, Collier County, Convoy Point, Crab Keys, Crocodile Point, Dead Terrapin Basin, Dragover Bank, Duck Key, Everglades National Park, FL, Featherbed Bank, Florida, Florida Bay, Florida City Canal, Florida Keys, Gopher Pass, Goulds Canal, Gun Rock Point, Harney River, Huston River, Ironwood Channel, Jim Foot Key, Johnson Key, Lake Key, Lignumvitae Basin, Little Blackwater Sound, Little Madeira Bay, Long Sound, Lostmans River, Manatee Bay, McCormick Creek, Miami-Dade County, Middle Key Basin, Military Canal, Monroe County, Monroe Lake, Mowry Canal, Nest Key, North Canal, North Prong Otter Creek, North River, Old Dan Bank, Old Sweat Bank, Otter Creek, Oyster Bay, Park Key, Pass Key, Pavillion Key, Pelican Bank, Peterson Keys, Ponce de Leon Bay, Porjoe Key, Princeton Canal, Prong Creek, Rabbit Key, Rabbit Key Basin, Rankin Basin, Rankin Lake, Roberts River, Rodgers River Bay, Russell Key, SW Big Cypress, Samphire Keys, Schooner Bank, Shark River, Shell Creek, Sid Key, South East Coast, Sprigger Bank, Spy Key, Storter Bay, Tarpon Bay, Taylor Creek, Trout Creek, US, USGS Science Data Catalog (SDC), United States, Whipray Basin, White Water Bay, biology, biota, climatologyMeteorologyAtmosphere, conservation paleobiology, diatoms, ecology, ecology, ecosystem history, environment, estuary, foraminifera, gastropods, geography, geologic core, geology, geoscientificInformation, inlandWaters, mollusks, mollusks, oceans, ostracodes, paleoecology, paleontology, pelecypods, pollen, salinity, sedimentology, vegetation, Fewer tags Arbuscular mycorrhizal fungi in remnant and reconstructed prairies in Minnesota and Iowa, 2019 (ver. 2.0, April 2022) This data record contains arbuscular mycorrhizal fungi (AMF) operational taxonomic unit (OTU) occurrences with native prairie plant species roots collected from paired remnant and reconstructed prairies, as well as soil physical and chemical property data from these field sites in Minnesota and Iowa. Categories: Data, Data Release - Revised; Tags: Iowa, Jasper County, Kandiyohi County, Meeker County, Minnesota, All tags... Otter Tail County, Swift County, Traverse County, USGS Science Data Catalog (SDC), biota, fungi, grassland ecosystems, plants (organisms), species diversity, symbiosis, vegetation, Fewer tags Mesocarnivore Survey of Lava Beds National Monument, Klamath Network, 2018 (ver. 2.0, April 2022) Remote camera stations were set up in Lava Beds National Monument and Modoc National Forest from January to May 2018 to document occurrence of mesocarnivores and other wildlife. Thirty-three cameras were set up at 12 primary sampling units (clusters of one to four cameras) throughout the park. Potentially suitable habitat occurred in small patches in Lava Beds National Monument with cameras were placed in groups of one, two or three. To allow for more primary sampling units of four cameras, some cameras were installed in neighboring portions of Modoc National Forest. Cameras located in Modoc National Forest are considered part of the Lava Beds National Monument survey for the purposes of this study. The dataset... Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: California, Ecology, Klamath Monitoring Network, Lava Beds National Monument, Modoc, All tags... Modoc National Forest, Pacific Northwest, Siskiyou, USGS Science Data Catalog (SDC), Wildlife Biology, biota, birds, camera survey, carnivores, environment, image collections, mammals, mesocarnivores, wildlife, Fewer tags USGS Lake Erie East Harbor bottom trawl data series, 1961-2011 (ver. 2.0, March 2020) The USGS Lake Erie Biological Station’s East Harbor sampling program began in 1961 with the commissioning of the research vessel Musky II. It is the longest known continuous trawl survey in Lake Erie. In addition to spanning over 50 years, the data series is unique for three prominent design elements: 1) sampling was conducted at three depth strata; 2) replicate trawl samples were collected at each depth stratum; and 3) sampling was conducted during both day and night. Unlike other trawl series collected in Lake Erie, and throughout the Great Lakes, the East Harbor program is the only one to combine these sampling practices in a single survey. In 2012, the original vessel used since the inception of the East Harbor... Categories: Data, Data Release - Revised; Tags: Cedar-Portage, Ecology, Field Sampling, Fishery Resources, Lake Erie, All tags... Population and community ecology, USGS Science Data Catalog (SDC), Fewer tags Reach-scale stream and riparian habitat from Nevada, 2022 (ver. 2.0, April 2024) This dataset was created to assess the status of Lahontan cutthroat trout (*Oncorhynchus clarkii henshawi*) habitat. Surveys were conducted within occupied Lahontan cutthroat trout habitat, as designated by the U.S. Fish and Wildlife Service. Data represent reach-based surveys conducted in accordance with the Lahontan cutthroat trout habitat status assessment (LCTHSA) protocol (USGS). LCTHSA uses a probabalistic sampling design (i.e., Generalized Random Tessellation Stratified), standardized collection of habitat attributes, electronic data capture and management, and integration with remote sensing and geospatially-derived data products. Data were collected and managed by the U.S. Geological Survey and U.S. Fish... Categories: Data, Data Release - Revised; Tags: EARTH SCIENCE, Great Basin, USGS Science Data Catalog (SDC), environment, fish, All tags... habitats, wildlife, Fewer tags At-Sea Ranging Behavior of Seabirds Breeding in the Main Hawaiian Islands: Bio-logger Data Release (ver. 2.0, May 2020) Due to recent interest in developing offshore wind energy infrastructure around the main Hawaiian Islands (MHI), U.S. Geological Survey Western Ecological Research Center (USGS–WERC) partnered with the Bureau of Ocean Energy Management (BOEM) from 2013–2016 to study breeding Hawaiian seabird distributions, habitat utilizations, and ranging behaviors within near-island and outer continental shelf waters. In this study, we employed several bio-logging technologies to track at-sea movement and behavior of five MHI-breeding seabird species: Brown Booby (Sula leucogaster), Laysan Albatross (Phoebastria immutabilis), Red-tailed Tropicbird (Phaethon rubricauda), Red-footed Booby (Sula sula), and Wedge-tailed Shearwater... Categories: Data Release - Revised; Tags: Hawaiian Islands (island group), USGS Science Data Catalog (SDC), biota, remote sensing, wildlife Bioclimatic suitability for 11 dominant Colorado Plateau perennial grass species (ver. 2.0, November 2022) These data were compiled to represent the distribution of environmental conditions with recognized importance to perennial grasses in dryland areas of the western U.S. Objective(s) of our study were to … evaluate how those environmental drivers are related to perennial grass distributions and use the results to assess how perennial grass distributions may shift in response to future climate change. These data represent ecological niche models for 11 perennial grass species that are important components of grasslands on the Colorado Plateau. Data are provided as rasters (tif format) with each containing data about future change in climatic suitability for a give species, future time period, representative concentration... Categories: Data Release - Provisional, Data Release - Revised; Tags: 30-arcsecond, Arizona, Botany, C3, C4, All tags... California, Climatology, Colorado, Ecology, Geography, Idaho, Information Sciences, Kansas, Montana, Nebraska, Nevada, New Mexico, North Dakota, Oklahoma, Oregon, RCP4.5, RCP8.5, Soil Sciences, Texas, USGS Science Data Catalog (SDC), Utah, Washington, Wyoming, biota, climate, climate change, climate models, climate projection, climatologyMeteorologyAtmosphere, data release, drought metrics, drylands, edaphic suitability, effects of climate change, future time periods, global circulation models, grasslands, historical conditions, modeling, perennial grass, representative concentration pathways, soil sciences, western United States, Fewer tags Salvinia/weevil case study: Using drones to monitor weevil propagation in Salvinia aquatics (ver. 2.0, August 2023) During summer months, coastal Louisiana is plagued with floating aquatics that fill and block canals and small waterways causing trouble for boaters. This floating aquatic starts growing in the spring and dies off in late summer and early winter months. One natural predator of the Salvinia sp is the weevil that forages on the Salvinia and causes premature die-off. These weevils do exist naturally in the ecosystem, but this study will introduce the weevil to these salvinia sp aquatics in the early growing season in hopes of reducing the amount and thickness of these salvinia biomass. Thru the use of UAV's (Unmanned aerial vehicles), high resolution imagery will be acquired and classified to monitor the effect... Categories: Data Release - Revised; Tags: Cane Bayou, Coastal Aquatics, Floating Aquatics, Louisiana, Salvinia, All tags... Salvinia, USGS Science Data Catalog (SDC), Weevil, biota, Fewer tags Louisiana Barrier Island Comprehensive Monitoring Program – 2016 habitat map, Modern Delta Region (ver. 1.1, May 2020) The Barrier Island Comprehensive Monitoring (BICM) program was developed by Louisiana’s Coastal Protection and Restoration Authority (CPRA) and is implemented as a component of the System Wide Assessment and Monitoring (SWAMP) program. The program uses both historical data and contemporary data collections to assess and monitor changes in the aerial and subaqueous extent of islands, habitat types, sediment texture and geotechnical properties, environmental processes, and vegetation composition. Examples of BICM datasets include still and video aerial photography for documenting shoreline changes, shoreline positions, habitat mapping, land change analyses, light detection and ranging (lidar) surveys for topographic... Categories: Data Release - Revised; Tags: Gulf of Mexico, Louisiana, Louisiana Coastal, Modern Delta Region, Plaquemines Parish, All tags... USGS Science Data Catalog (SDC), barrier islands, barrier vegetation, beach, coastal wetlands, dune, environment, geoscientificInformation, habitat map, imageryBaseMapsEarthCover, mangrove, marsh, remote sensing, scrub/shrub, Fewer tags Louisiana Barrier Island Comprehensive Monitoring Program – 2015 habitat map, East Chenier Region (ver. 1.1, May 2020) The Barrier Island Comprehensive Monitoring (BICM) program was developed by Louisiana’s Coastal Protection and Restoration Authority (CPRA) and is implemented as a component of the System Wide Assessment and Monitoring Program (SWAMP). The program uses both historical data and contemporary data collections to assess and monitor changes in the aerial and subaqueous extent of islands, habitat types, sediment texture and geotechnical properties, environmental processes, and vegetation composition. Examples of BICM datasets include still and video aerial photography for documenting shoreline changes, shoreline positions, habitat mapping, land change analyses, light detection and ranging (lidar) surveys for topographic... Categories: Data Release - Revised; Tags: Cameron Parish, Gulf of Mexico, Louisiana, Louisiana Coastal, USGS Science Data Catalog (SDC), All tags... Vermilion Parish, West Chenier Region, barrier islands, barrier vegetation, beach, coastal wetlands, dune, environment, farming, habitat map, mangrove, marsh, planningCadastre, remote sensing, scrub/shrub, Fewer tags Investigation of Scale-dependent Groundwater/Surface-water Exchange in Rivers by Gradient Self-Potential Logging: Numerical Model and Field Experiment Data, Quashnet River, Massachusetts, October 2017 (ver. 2.0, November 2020) This data release contains waterborne self-potential (SP) logging data measured during 48 laboratory experiments and three field experiments that were performed to develop an efficient, accurate method for detecting (in the laboratory) and geolocating (in the field) focused vertical groundwater discharge (surface-water gains) and recharge (surface-water losses) in a river. The experimental procedures and results are described and interpreted in a companion journal article titled "Remote detection of focused groundwater/surface-water exchange in rivers using waterborne self-potential logging: Laboratory and field experiments," and are similar to waterborne SP logging data measured, modeled, and interpreted by Ikard... Categories: Data, Data Release - Revised; Tags: Cape Cod, Fluvial Geomorphology, Fluvial Hydrology, Gradient Self-potential, Groundwater, All tags... Groundwater Flow, Groundwater/Surface-water Exchange, Hydrogeophysics, Massachusetts, Quashnet River, Streaming-potential, Surface-water, USGS Science Data Catalog (SDC), Waterborne self-potential logging, Fewer tags Ephemeral channel heads and digital elevation models used to extract stream networks in Clarksburg, MD (ver. 2.0, October 2021) This dataset describes the location of channel heads survyed in two headwater watersheds in Clarksburg, Montgomery County, Maryland, and the digital elevation models derived from light detection and ranging (lidar) covering the two watersheds. The digital elevation models were used to derive topographic attributes used to delineate drainage networks that were then assessed for accuracy using the field-surveyed channel heads. First posted - January 21, 2021 (available from author) Revised - October 15, 2021 (version 2.0) Categories: Data, Data Release - Revised; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Maryland, USGS Science Data Catalog (SDC), drainage basins, land surveying, river systems, All tags... streams, Fewer tags Louisiana Barrier Island Comprehensive Monitoring Program – 2008 habitat map, Early Lafourche Delta Region (ver. 1.1, May 2020) The Barrier Island Comprehensive Monitoring (BICM) program was developed by Louisiana’s Coastal Protection Restoration Authority (CPRA) and is implemented as a component of the System Wide Assessment and Monitoring (SWAMP) program. The program uses both historical data and contemporary data collections to assess and monitor changes in the aerial and subaqueous extent of islands, habitat types, sediment texture and geotechnical properties, environmental processes, and vegetation composition. Examples of BICM datasets include still and video aerial photography for documenting shoreline changes, shoreline positions, habitat mapping, land change analyses, light detection and ranging (lidar) surveys for topographic elevations,... Categories: Data Release - Revised; Tags: Early Lafourche Delta Region, Gulf of Mexico, Louisiana, Louisiana Coastal, St. Mary Parish, All tags... Terrebonne Parish, USGS Science Data Catalog (SDC), barrier islands, barrier vegetation, beach, coastal wetlands, dune, environment, geoscientificInformation, habitat map, imageryBaseMapsEarthCover, mangrove, marsh, remote sensing, scrub/shrub, Fewer tags Common loon migration and winter data: telemetry locations and archival geolocator tag location (ver 2.0, October 2022) The data details common loon locations based on archival geolocator tag information, characteristics of common loon dives during wintering, and common loon locations based on telemetry data. Satellite transmitters (Model PTT-100, Microwave Telemetry, Inc) were implanted in 31 adult male (marked during July 2010 and July 2011) and 27 juvenile (marked during August 2014 and August 2015) common loons that were captured on breeding lakes in Minnesota, Wisconsin, and the Upper Peninsula of Michigan. The satellite transmitters were programmed to transmit on a variable schedule based on the anticipated stage of migration during the loon’s annual cycle. We utilized the most accurate locations per 8-hour transmission period... Categories: Data, Data Release - Revised; Tags: Atlantic Ocean, Gavia immer, Gulf of Mexico, Minnesota, USGS Science Data Catalog (SDC), All tags... Upper Penninsula Michigan, Wisconsin, biota, common loon, migratory birds, none, satellite telemetry, species biology, wintering areas, Fewer tags Environmental DNA surveillance data for USGS streamgage sampling in the Columbia River Basin, 2018 Environmental DNA quantitative PCR results for water samples collected in 2018 at USGS streamgages downstream of Columbia River Basin reservoirs that are considered to have moderate to high suitability for invasive dreissenid mussels. Water samples were tested for DNA of dreissenid mussels, kokanee salmon, and yellow perch. This is version 1.1 of this data release. The Kokanee_Perch_eDNA data and metadata files have been revised to correct for improper attribution of 16 samples. For access to previous versions, please contact the Point of Contact identified on this page. First Posted March 29, 2019 Revised July 19, 2019, ver 1.1 Categories: Data, Data Release - Revised; Tags: Aquatic Biology, Ecology, Pacific Northwest, Snake River, USGS Science Data Catalog (SDC), All tags... biota, environmental DNA, invasive species, stream-gage measurement, Fewer tags Pesticide residues in passive samplers and bee tissue from Conservation Reserve Program fields across an agricultural gradient in eastern Iowa, USA, 2019 (ver 2.0, October 2023) This data release includes sampling location, pesticide concentrations in passive samplers (silicone bands) and bees foraging in Conservation Reserve Program fields. Sampling took place during July and August of 2019. Fields were located on private land managed for the U.S. Department of Agriculture Conservation Reserve Program in eastern central Iowa, U.S.A. Categories: Data Release - Revised; Tags: Environmental Health, Iowa, Land Use Change, Land Use Change, USGS Science Data Catalog (SDC), All tags... bees, biota, insects, invasion history, otolith microchemistry, pesticides, Fewer tags PIT Tags Encountered by Klamath Falls Field Station Equipment in the Upper Klamath Basin 1993-2023 (ver. 2.0, August 2023) Note: this data release has been superseded by version 3.0, available here: https://doi.org/10.5066/P1385SV2 Data were collected as part of a long-term capture-recapture program to assess the status and dynamics of populations of two long-lived, federally endangered catostomids in Upper Klamath Lake, Oregon and Clear Lake Reservoir, California. Lost River suckers (LRS; Deltistes luxatus) and shortnose suckers (SNS; Chasmistes brevirostris) have been captured and tagged with passive integrated transponder (PIT) tags during their spawning migrations in each year since 1995.PIT tagged species were encountered in netting efforts, remote transceivers, and active scanning on bird colonies across the Upper Klamath River... Categories: Data, Data Release - Revised; Tags: Aquatic Biology, Clear Lake National Wildlife Refuge, USGS Science Data Catalog (SDC), Upper Klamath Lake, animal tracking, All tags... ecology, endangered species, inlandWaters, salmonids, suckers, Fewer tags Concentrations of organic and inorganic constituents in tapwater samples from California in 2020-21 (ver. 3.1, March 2024) This dataset contains the trace elements, cations, anions, disinfection by-products, per- and polyfluoroalkyl substances (PFAS), pharmaceutical and pesticide concentration results for the tapwater study conducted in California, November, 2020 through May, 2021. Trace elements, cations and anions were analyzed at the U.S. Geological Survey Redox Chemistry Laboratory in Boulder, Colorado. The disinfection by-product compounds were analyzed at the U.S. Geological Survey Organic Chemistry Research Laboratory in Sacramento, California. Concentration results for PFAS, as well as surrogate percent recovery information, were analyzed at the National Water Quality Laboratory (NWQL) in Denver, Colorado, and were added in... Categories: Data, Data Release - Revised; Tags: California, USGS Science Data Catalog (SDC), biota, emerging contaminants, point-of-use, All tags... tapwater, Fewer tags « 1 2 3 4 5 »