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Context: Wolverines (Gulo gulo) are harvested for fur in northern Canada; however, the impacts of harvest are poorly known. Additionally, wolverine population data are largely absent for much of their northern range. Demographic data collected from harvested wolverines provide information on the vulnerability and variability of different sex and age cohorts to harvest, which, in turn, may have implications for harvest sustainability.Aims: We examined the temporal variability of different sex and age cohorts in wolverine harvest among years, and within the harvest season, in Yukon, Canada. We also examined the pregnancy status of female wolverines in relation to the harvest date, so as to evaluate the impact of the...
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This data is the Missouri River Basin subset of the National Anthropogenic Barrier Dataset (NABD) 2012 developed by USGS additional gauge data may exist in this dataset. Please refer to the complete dataset for use in other projects. A copy can be found at:https://www.sciencebase.gov/catalog/item/56a7f9dce4b0b28f1184dabdThe follow is metadata from the source data:The main objective of this project was to develop a dataset of large, anthropogenic barriers that are spatially linked to the National Hydrography Dataset Plus Version 1 (NHDPlusV1) for the conterminous U.S. and the high resolution National Hydrography Dataset (NHD) for Alaska (1:63,000 scale) and Hawaii (1:24,000 scale) to facilitate GIS analyses based...
Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: ANTHROPOGENIC/HUMAN INFLUENCED ECOSYSTEMS, Climate Change, Climate Change, Colorado, Colorado, All tags...
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The potential implications of climate change to fishes in Great Plains rivers and streams could range from drastic shifts in distribution to extirpation. Many lotic systems in the Great Plains are not well suited for direct escape routes for fish to move to more suitable habitats at other latitudes due to the west-east direction of flows rather than north-south. Therefore, we might expect additional climate related stress on fish communities in the Great Plains compared to other regions of North America. Therefore, we will 1) simulate potential water temperature and flow changes within the Great Plains based on extant regional climate models, 2) assess stream connectivity to potential refugia, 3) develop a database...
Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: 2013, CATFISHES/MINNOWS, CO-01, CO-02, CO-03, All tags...


    map background search result map search result map Implications for Connectivity and Movement of Lotic Great Plains Fishes in the Face of Climate Change. Stream Barriers for the Missouri River Basin Temporal variation in the population characteristics of harvested wolverine (Gulo gulo) in northwestern Canada Temporal variation in the population characteristics of harvested wolverine (Gulo gulo) in northwestern Canada Implications for Connectivity and Movement of Lotic Great Plains Fishes in the Face of Climate Change. Stream Barriers for the Missouri River Basin