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This dataset includes anticoagulant rodenticide (AR) screening results of 40 Barred Owls (Strix varia) collected in forested landscapes of Washington and Oregon from 2015-2017. Liver tissue was collected from each owl and screened for exposure to eight AR compounds, including 4 first-generation ARs (warfarin, diphacinone, chlorophacinone, and coumachlor), and 4 second-generation ARs (brodifacoum, bromadionlone, difethialone, and difenacoum). Additionally, this dataset includes geographic, temporal, environmental, and biological attributes of individual owls that were identified as potential sources of variation in AR exposure and/or useful measurements for assessing AR exposure risk of sympatric northern spotted...
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This data set brings together and categorizes many of the chemicals, solids, and microorganisms that are used in agriculture or produced as by-products of agriculture in the United States (as of 2009). Each entry in the data set includes the name, Chemical Abstracts Service Registry Number, purpose(s) in agriculture, and a reference. For pesticides and their degradates, the pesticidal use, parent pesticide, and the United States Environmental Protection Agency Pesticide Chemical Code are included. The data were compiled as part of a U.S. Geological Survey study to improve the understanding of field-scale and watershed-scale hydrology and the environmental behavior of individual chemicals. The goals of the study...
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This is a selected data set used to assess the impacts of rodenticide treatment on black rat (Rattus rattus) abundance within Hawaii Volcanoes National Park (HAVO). The key objective was to identify rat density in native habitat in the Mauna Loa Strip section of HAVO before and after rodenticide treatment, using a paired non-treatment and treatment plot for comparison in a before-after, control-impact (BACI) study design. These data are part of larger work describing the response of native species to rat control. This data set includes the results of the mark recapture study that took place during two different trapping periods (before and after treatment) within a centralized 300x300 m (9 ha) portion of each 700x700...
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This is a selected data set that outlines the plot areas used to assess the impacts of rodenticide treatment on black rat (Rattus rattus) abundance within Hawaii Volcanoes National Park (HAVO). These data provide the spatial reference for a larger work describing the response of native species to rat control. Included are the corner boundaries for the 700x700 m (49 ha) study plots and each grid point/station within the centralized 300x300 m (9 ha) sub-plot at both the treatment and non-treatment site. Traps were placed 50 m apart, one at each station in the trapping grid, for a total of 49 traps in each of the sub-plots. The rodenticide treatment and native species monitoring were conducted using the entire 49 ha...


    map background search result map search result map Selected chemicals, solids, and microorganisms that are used in agriculture or produced as by-products of agriculture in the United States as of 2009 Rat mark-recapture in rodenticide treatment and non-treatment plots, Hawaii Volcanoes National Park, fall 2016 and spring 2017 Plot locations for "rat mark-recapture in rodenticide treatment and non-treatment plots, Hawaii Volcanoes National Park, fall 2016 and spring 2017" Anticoagulant rodenticide exposure in Barred Owls (Strix varia) collected in Washington and Oregon 2015-2017 Acute toxicity and clotting times of anticoagulant rodenticides to red-toothed (Odonus niger) and black (Melichthys niger) triggerfish, fathead minnow (Pimephales promelas), and largemouth bass (Micropterus salmoides) Acute toxicity and clotting times of anticoagulant rodenticides to red-toothed (Odonus niger) and black (Melichthys niger) triggerfish, fathead minnow (Pimephales promelas), and largemouth bass (Micropterus salmoides) Rat mark-recapture in rodenticide treatment and non-treatment plots, Hawaii Volcanoes National Park, fall 2016 and spring 2017 Plot locations for "rat mark-recapture in rodenticide treatment and non-treatment plots, Hawaii Volcanoes National Park, fall 2016 and spring 2017" Anticoagulant rodenticide exposure in Barred Owls (Strix varia) collected in Washington and Oregon 2015-2017 Selected chemicals, solids, and microorganisms that are used in agriculture or produced as by-products of agriculture in the United States as of 2009