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Histopathological assessment of the digestive gland of a freshwater snail (Lymnaea stagnalis) exposed to uranium This dataset consists of measurements of the digestive gland in the freshwater snail Lymnaea stagnalis orally exposed to uranium. The objective of the study was to assess the morphological effects of uranium on the snail digestive gland by light microscopy. Laboratory-cultured L stagnalis were exposed to either synthetic or natural solid phases of uranium and a subset (6 controls and 6 exposed) were euthanized and fixed in 10% neutral buffered formalin for histopathological assessment. Slides were processed and stained with hematoxalin and eosin as per standard procedure (Luna 1968). The size of each sample, the length and width of digestive gland tubules (5 random glands per sample) and height of digestive cells... Categories: Data; Tags: Environmental Health, Lymnaea stagnalis, Madison, Wisconsin, USGS Science Data Catalog (SDC), Wildlife Biology, All tags... Wildlife Disease, digestive gland, uranium, Fewer tags Examination of contaminant exposure and reproduction of ospreys (Pandion haliaetus) nesting in Delaware Bay and River in 2015 Reproductive Data for All Nests Monitored; Data for Mayfield Analysis; Eggshell thickness, nestling morphological measurements, nestling plasma stable isotopes, and nestling red blood cell oxidative DNA damage; Egg organochlorine pesticide, total PCB, flame retardants, and PCB toxic equivalent concentrations; Fish capture by osprey; Fish pools and size for contaminant analysis; Fish organochlorine pesticide, total PCB and flame retardants concentrations; Data for estimation of p,p’-DDE and total PCB biomagnification from fish to osprey eggs Categories: Data; Tags: Bristol, PA, Delaware Bay, Delaware River, Environmental Health, Indian River Inlet, DE, All tags... USGS Science Data Catalog (SDC), Wildlife Biology, biomagnification, contaminant exposure, environmental health, fish, osprey, reproductive success, wildlife, Fewer tags Results from radiochemical analyses of small rodent whole bodies collected from breccia pipe uranium mines and reference locations in the Grand Canyon watershed. These data are comprised of measurements of gross alpha activity, gross beta activity, and radionuclide activities (isotopic U, isotopic Th, Ra-226) in small rodent bodies. Samples were collected at non-mining and U breccia pipe mining sites in various production stages, in the Grand Canyon watershed. Tags: Arizona, Environmental Health, Grand Canyon, Grand Canyon watershed, U.S. Geological Survey, Columbia Environmental Research Center, All tags... USGS Science Data Catalog (SDC), breccia pipe, dose assessment, radionuclides, rodents, uranium, uranium mine, Fewer tags Brodifacoum toxicity in American kestrels (Falco sparverius) with evidence of increased hazard upon subsequent anticoagulant rodenticide exposure A seminal question in ecotoxicology is the extent to which contaminant exposure evokes prolonged effects on physiological function and fitness. A series of studies were undertaken with American kestrels ingesting environmentally realistic concentrations of the second-generation anticoagulant rodenticide (SGAR) brodifacoum (BROD). Kestrels fed BROD at 0.3, 1.0 or 3.0 µg/g diet wet wt for 7 d exhibited dose-dependent hemorrhage, histopathological lesions and coagulopathy (prolonged prothrombin and Russell’s viper venom times). Following termination of a 7 d exposure to 0.5 µg BROD/g diet, prolonged blood clotting time returned to baseline values within a week, but BROD residues in liver and kidney (terminal half-life... Categories: Data; Tags: Birds, Ecotoxicology, Ecotoxicology, Environmental Contaminants, Environmental Health, All tags... Maryland, Pesticide and Herbicide Contamination, USGS Science Data Catalog (SDC), anticoagulant, brodifacoum, chlorophacinone, clotting time, hazard, non-target effects, risk, secondary poisoning, Fewer tags 4. Results of Blood Clotting Assays A heterologous thrombin clotting time assay (TCT) was used to measure the time for conversion of fibrinogen to fibrin using commercially available reagents. Human reference material included in the kit was diluted with imidazole buffered saline (IBS; 0.0125M imidazole-0.109 M sodium chloride, pH7.4) to generate a standard curve. Each kestrel plasma sample was thawed at 37ºC and diluted with IBS, and following incubation at 37ºC, the reaction was then initiated by the addition of bovine thrombin reagent supplied with the assay kit, with clotting time measured to 0.1 s. Fibrinogen concentration was determined in a single assay for each of the 3 study trials, with reference samples interspersed among study samples.... Categories: Data; Tags: Birds, Environmental Health, Maryland, anticoagulant, brodifacoum, All tags... chlorophacinone, clotting time, hazard, non-target effects, risk, secondary poisoning, Fewer tags 1. Results of Trial 1 Range finding trial in which kestrels were fed diets containing varying quantities of brodifacoum and signs of intoxication were monitored. Categories: Data; Tags: Birds, Environmental Health, Maryland, anticoagulant, brodifacoum, All tags... chlorophacinone, clotting time, hazard, non-target effects, risk, secondary poisoning, Fewer tags Isolation of Methylmercury Using Distillation and Anion-Exchange Chromatography for Isotopic Analyses in Natural Matrices Data Release This dataset consists of concentration and isotopic data for a method designed to isolate and analyze methylmercury. Several matrices (lab-based, and natural) were tested to ensure that the method was capable of recovering methylmercury amendments. Additionally, natural matrices (plankton and sediment) with ambient methylmercury were also analyzed to ensure that the method could be successfully applied to natural matrices. Separation tests for sediment, water, and biotic matrices showed acceptable recoveries (98 ± 5%, n = 54) and reproducible δ202Hg isotope results (2SD < 0.15 ‰) down to 5 ng of MeHg. This dataset is part of a complimentary paper published in Analytical and Bioanalytical Chemistry (https://doi.org/10.1007/s00216-019-02277-0)... Categories: Data; Tags: Environmental Health, Fox River, WI, Geochemistry, Lake Mendota, WI, Lake Michigan, All tags... Middleton, WI, Pheasant Branch Conservancy, Middleton, WI, USGS Science Data Catalog (SDC), anion-exchange chromatography, mercury isotopes, methylmercury, methylmercury isotopes, species-specific analyses, Fewer tags Chemical analyses and histopathology of organisms and plants collected from breccia pipe uranium mine sites in the Grand Canyon watershed, 2015-2020 These data are comprised of measurements of aluminum, iron, cobalt, nickel, copper, zinc, arsenic, selenium, molybdenum, silver, cadmium, thallium, lead, bismuth, thorium, uranium, and mercury in invertebrates, vegetation, and small rodents. Gross alpha activity, gross beta activity, and radionuclide activities (isotopic U, isotopic Th) are also presented for vegetation; radioactivities for small rodents were previously presented at https://doi.org/10.5066/P9HARTQ4. Histopathology results are given for liver and kidney lesions generally associated with metals toxicoses in small rodents. Samples were collected at the Pinenut Mine (active mining) and Arizona 1 Mine (post-production) in the Grand Canyon watershed.... Tags: Arizona, Arizona 1 Mine, Botany, Environmental Health, Grand Canyon, All tags... Grand Canyon watershed, Little Robinson Tank, Mineral Resources, Mining and Mineral Extraction, Pinenut Mine, USGS Science Data Catalog (SDC), Wild Band Reservoir, Wildlife Biology, biological effects, biota, breccia pipe, elements, histopathology, invertebrates, invertebrates, kidney, lesions, liver, mine sites, radionuclides, rodents, uranium, uranium mine, vegetation, vegetation, Fewer tags Synoptic sampling data from Illinois Gulch and Iron Springs near Breckenridge, Colorado, August 2016 and September 2017 Two synoptic sampling campaigns were conducted near Breckenridge, Colorado, to quantify metal loading to Illinois Gulch, a tributary of the Blue River. The first campaign, conducted in August 2016, was designed to determine the degree to which Illinois Gulch loses water to the underlying mine workings, and to determine the effect of these losses on observed metal loads. The second campaign, conducted in September 2017, was designed to evaluate metal loading within Iron Springs, a subwatershed that was responsible for the majority of the metal loading observed in 2016. A continuous, instream injection of a sodium bromide (NaBr) tracer was initiated at the head of the respective study reaches several days prior to... Categories: Data; Tags: Breckenridge Colorado, Environmental Health, Geochemistry, Illinois Gulch, Summit County, All tags... USGS Science Data Catalog (SDC), Water Quality, Water Resources, acid mine drainage, bromide, headwater stream, hydrologic tracer, metal loads, metals, mine workings, slug injection, synoptic sampling, tracer dilution, Fewer tags Chemical analyses and histopathology of small rodents, vegetation, and soil collected from the Kanab North breccia pipe uranium mine in the Grand Canyon watershed These data are comprised of measurements of aluminum, iron, cobalt, nickel, copper, zinc, arsenic, selenium, molybdenum, silver, cadmium, thallium, lead, bismuth, thorium, uranium, and mercury in soil, vegetation, and small rodents. Gross alpha activity, gross beta activity, and radionuclide activities (isotopic U, isotopic Th) are also presented for vegetation and soil. Radioactivities for small rodents were previously presented at https://doi.org/10.5066/P99GDFWB. The data also include histopathological analysis of liver tissues collected from small rodents. Samples were collected at the Kanab North Mine and Canyon Mine (post-mining, pre-reclamation) in the Grand Canyon watershed. Tags: Arizona, Columbia Environmental Research Center, Environmental Health, Grand Canyon, Grand Canyon watershed, All tags... Kanab North, USGS Science Data Catalog (SDC), breccia pipe, elements, radionuclides, rodents, soil, uranium, uranium mine, vegetation, Fewer tags Chemical and biological data from acute and chronic nickel and zinc exposure bioassays to two sensitive freshwater benthic invertebrates The responses (survival, growth, and/or reproduction) of test organisms in six concentrations of toxicants in acute and chronic tests. Chemical and water quality parameters were measured for quality assurance and quality control purposes. Tags: Aquatic Biology, Columbia Environmental Research Center, Environmental Health, Illinois Natural History Survey, USGS Science Data Catalog (SDC), All tags... Water Quality, acute toxicity, alkali metals, alkaline earth metals, biota, chronic effects, chronic exposure, chronic toxicity, ecotoxicology, heavy metals, water chemisty, water quality, water quality standards, Fewer tags Histopathology of American kestrels (Falco sparverius) exposed to brodifacoum This dataset describes histopathological changes in liver, kidney, heart, skeletal muscle and intestine of captive American kestrels exposed to the second-generation anticoagulant rodenticide brodifacoum (BROD). The goal of the study was to determine the toxic range of brodifacoum by feeding birds a diet containing 0.3, 1.0, or 3.0 ug BROD/g wet weight. Birds were necropsied and examined grossly for hemorrhages or anemia, and liver, kidney, heart, pectoral muscle, and intestine was collected for histopathological evaluation. Tissues were scanned at least 100x magnification and all lesions, including hemorrhage, inflammation, and degenerative changes, were described and assigned a morphologic diagnosis with severity,... Categories: Data; Tags: American kestrel, Environmental Health, USGS National WIldlife Health Center, USGS Patuxent Wildlife Research Center, USGS Science Data Catalog (SDC), All tags... Wildlife Disease, anticoagulant rodenticide, biota, brodifacoum, Fewer tags Mercury Bioaccumulation in US National Parks Using Dragonfly Larvae as Biosentinels, 2009-2018 Comma-separated values (.csv) files containing data related to a National-scale assessment of mercury bioaccumulation in the US National Parks using dragonfly larvae as biosentinels through a citizen science framework. Categories: Data; Tags: Acadia National Park, Allegheny Portage Railroad National Historic Site, Apostle Islands National Lakeshore, Appomattox Court House National Historical Park, Aquatic Biology, All tags... Battle Creek Cypress Swamp, Bear Creek Lake Park, Bear Meadows Natural Area, Big Bend National Park, Big Cypress National Park, Big Thicket National Preserve, Buffalo National River, Cape Cod National Seashore, Capitol Reef National Park, Carl Sandburg Home National Historic Site, Channel Islands National Park, Chickasaw National Recreation Area, Colorado National Monument, Congaree National Park, Cuyahoga Valley National Park, Death Valley National Park, Delaware Water Gap National Recreation Area, Denali National Park and Preserve, Devils Tower National Monument, East Inlet Natural Area-Connecticut Lakes Nature Preserve, Ecology, Environmental Health, Everglades National Park, Fort Worth Nature Center and Refuge National Natural Landmark, Gateway National Recreation Area, Glacier Bay National Park & Preserve, Glacier National Park, Glen Canyon National Recreation Area, Golden Gate National Recreation Area, Grand Canyon National Park, Grand Portage National Monument, Grand Teton National Park, Great Basin National Park, Great Sand Dunes National Park, Great Smoky Mountains National Park, Gulf Islands National Seashore, Hawaii Volcanoes National Park, Homestead National Historic Site, Hot Springs National Park, Indiana Dunes National Park, Isle Royale National Park, Jean Lafitte National Historical Park and Preserve, John Day Fossil Beds National Monument, Katahdin Woods and Waters National Monument, Katmai National Park and Preserve, Kenilworth Park & Aquatic Gardens, Klondike Gold Rush National Historical Park, Knife River Indian Villages National Historic Site, Lake Clark National Park, Lassen Volcanic National Park, Lewis and Clark National Historical Park, Mammoth Cave National Park, Marsh-Billings-Rockefeller National Park, Maurice National Wild & Scenic River, Minute Man National Historical Park, Mississippi National River & Recreation Area, Monocacy National Battlefield, Montezuma Castle National Monument, Mount Rainier National Park, Natchez Trace Parkway and National Scenic Trail, Niobrara National Scenic River, North Cascades National Park, Olympic National Park, Oregon Caves National Monument, Ozark National Scenic Riverway, Padre Island National Seashore, Pictured Rocks National Lakeshore, Pinnacles National Park, Pipestone National Monument, Prince William Forest Park, Pu'ukohola Heiau National Historic Site, Redwood National Park, Richmond National Battlefield Park, Rock Creek Park, Rocky Mountain National Park, Roosevelt-Vanderbilt National Historic Sites, Saguaro National Park, Saint Croix National Scenic Riverway, Saint-Gaudens National Historic Site, San Juan Island National Historical Park, Santa Monica Mountains National Recreation Area, Saugus Iron Works National Historic Site, Sequoia & Kings Canyon National Parks, Shenandoah National Park, Sleeping Bear Dunes National Lakeshore, Tallgrass Prairie National Preserve, Timucuan Ecological Historic Preserve, Tumacacori National Historical Park, Tuzigoot National Monument, USGS Science Data Catalog (SDC), Upper Delaware Scenic and Recreational River, Valles Caldera National Preserve, Voyageurs National Park, Water Quality, Weir Farm National Historic Site, Wildlife Biology, Wind Cave National Park, Women’s Rights National Historical Park, Yellowstone National Park, Yosemite National Park, Zion National Park, biota, environment, mercury contamination, Fewer tags Investigation of pharmaceuticals in water, fish, and ospreys nesting in Delaware River and Bay Exposure of wildlife to Active Pharmaceutical Ingredients (APIs) is likely to occur but evidence of hazard and risk is limited. One exposure pathway that has received attention is trophic transfer of APIs in a water-fish-osprey food chain. Samples of water, fish plasma and osprey plasma were collected from Delaware River and Bay, and analyzed for 21 APIs. Only 2 of 21 analytes exceeded Method Detection Limits (MDL) in osprey plasma (acetaminophen and diclofenac) with plasma levels typically 2-3 orders of magnitude below human therapeutic concentrations (HTC). We built upon a screening level model used to predict osprey exposure to APIs in Chesapeake Bay and evaluated whether exposure levels could have been predicted... Categories: Data; Types: Citation; Tags: Delaware River, Environmental Health, USGS Science Data Catalog (SDC), active pharmaceutical ingredient, predictive model, All tags... read-across, water-fish-osprey food chain, wildlife, Fewer tags eDNA sampling sites in the Grand Canyon region near breccia pipe uranium mines 2015-2016 Geospatial locations of eDNA sampling sites in the Grand Canyon region near breccia pipe uranium mines Tags: Arizona, Environmental Health, Grand Canyon, Location, USGS Science Data Catalog (SDC) Uptake and toxicity of clothianidin to monarch butterflies from milkweed consumption (ver. 2.0, January 2020) Recent concern for the adverse effects from neonicotinoid insecticides has centered on risk for insect pollinators in general and bees specifically. However, natural resource managers are also concerned about the risk of neonicotinoids to conservation efforts for the monarch butterfly (Danaus plexippus) and need a tool to estimate risk for wild monarch butterflies exposed to clothianidin. In the present study, monarch butterfly larvae were exposed to contaminated milkweed plants from hatch until pupation, and the effects upon larval survival, larval growth, pupation success, and adult mass were measured. Soils dosed with a granular insecticide product lead to average clothianidin concentrations of 10.8 - 843 ng/g... Categories: Data, Data Release - Revised; Tags: Alachua County, Environmental Health, Florida, USGS Science Data Catalog (SDC), clothianidin, All tags... monarch butterfly, toxicity, Fewer tags Growth Characteristics of Syntrophotalea acetylenivorans, strain SFB93, sp. nov., a diazotrophic, acetylenotrophic anaerobe isolated from San Francisco Bay intertidal sediments Data supporting the establishment of Syntrophotalea acetylenivorans SFB93 as a new microbial species. Data release includes growth curve and preferred growth conditions for the species. Categories: Data; Tags: Aquatic Biology, Environmental Health, USGS Science Data Catalog (SDC), Water Quality, Water Resources, All tags... bacteria, bacteriology, biota, biota, culturing (specimens), microbiology, Fewer tags Use of blood clotting assays to assess anticoagulant rodenticide exposure and effects in free-ranging birds of prey - Observations and treatment of various species of raptorial birds admitted to a rehabilitation facility, and of nestling barn owls observed and sampled in the field - Clotting time parameters (prothrombin time, Russell’s viper venom time, fibrinogen concentration) - Anticoagulant rodenticide residue data Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Anticoagulant rodenticides, British Columbia, Ecotoxicology, Ecotoxicology, Environmental Contaminants, All tags... Environmental Health, Hazards, Human Impacts, Maryland, Russell’s viper venom time, USGS Science Data Catalog (SDC), birds, brodifacoum, bromadiolone, chlorophacinone, clotting time, difethialone, diphacinone, fibrinogen, hazard, non-target effects, prothrombin time, risk, secondary poisoning, thrombin clotting time, Fewer tags Spatio-temporal distribution models for dabbling duck species across the continental United States These data describe the spatio-temporal distribution of dabbling duck species across the continental United States during four biologically relevant seasons. This dataset contains two types of distribution models: (1) probability of presence, and (2) abundance. The model type, species, and season depicted in a raster are defined in the file name. File names begin with either abun (indicating that it is an abundance model) or prob (indicating a probability of occurrence model). Following model type is species, for which there are 10 provided: ABDU (American Black Duck), AMEW (American Wigeon), BWTE (Blue-winged Teal), CITE (Cinnamon Teal), GADW (Gadwall), AGWT (Green-winged Teal), MALL (Mallard), MODU (Mottled... Categories: Data; Tags: Ecology, Environmental Health, Population Dynamics, Species Distribution, USGS Science Data Catalog (SDC), All tags... United States of America, Wildlife Biology, Wildlife Biology, Wildlife Disease, Wildlife Disease, Wildlife Disease, Fewer tags Chemistry, radiation and histopathology data in support of manuscript "Pre-mining trace element and radiation exposure to biota from a breccia pipe uranium mine in the Grand Canyon (Arizona, USA) watershed" The risks to wildlife and humans from uranium (U) mining to the Grand Canyon watershed are largely unknown. In addition to U, other co-occurring ore constituents contribute to risks to biological receptors depending on their toxicological profiles. This data was collected to characterize the pre-mining concentrations of total arsenic (As), cadmium (Cd), copper (Cu), lead (Pb), mercury (Hg), nickel (Ni), selenium (Se), thallium (Tl), U, and zinc (Zn); radiation levels; and histopathologies in biota (vegetation, invertebrates, amphibians, birds, and mammals) at the Canyon Mine. Categories: Data; Types: Citation; Tags: Environmental Health, Grand Canyon, USGS Science Data Catalog (SDC), biological resources, chemistry, All tags... uranium, uranium mining, Fewer tags 1 2 3 »