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Population ecology of an invasion: effects of brook trout on native cutthroat trout Invasion by nonnative brook trout (Salvelinus fontinalis) often results in replacement of cutthroat trout (Oncorhynchus clarki) in the inland western United States, but the underlying mechanisms are not well understood. We conducted a four-year removal experiment to test for population-level mechanisms (i.e., changes in recruitment, survival, emigration, and immigration) promoting invasion success of brook trout and causing decline of native Colorado River cutthroat trout (O. c. pleuriticus). We chose 700–1200 m segments of four small mountain streams where brook trout had recently invaded cutthroat trout populations, two each at mid elevation (2500–2700 m) and high elevation (3150–3250 m), and annually removed... Categories: Publication; Types: Citation, Journal Citation; Tags: Colorado River cutthroat trout, Ecological Applications, Oncorhynchus clarkii pleuriticus, Salvelinus, brook trout, All tags... demography, fontinalis, interspecific interactions, invasion biology, population biology, recruitment, salmonids, species conservation, survival, Fewer tags Brook Trout Highly Suitable Habitat with the Appalachian Landscape Conservation Cooperative The model was acquired from Tyler Wagner (U.S. Geological Survey) (DeWeber & Wagner, 2014). Model outputs were composed of Ecological Drainage Units (EDUs), each of which was assigned a resulting mean predicted occurrence probability. The study region was determined by the Eastern Brook Trout Joint Venture (EBTJV) and represents the native range of the species on the East Coast. The polygons of interest were derived from the NHD plus dataset, with local catchments located at least 90% within the study region boundary. Presence data was taken from fish sampling records collected from state agencies and the Multistage Aquatic Resources Information System (MARIS), and these points were joined to the nearest stream... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, Conservation NGOs, Conservation Plan/Design/Framework, Data, Data.gov Appalachian Landscape Conservation Cooperative, All tags... Datasets/Database, Federal resource managers, Hunters & anglers, Interested public, LCC Network Science Catalog, LCD, LCD, Policy makers & regulators, Private land owners, Regional & county planners, State agencies, Tribes, biota, brook trout, brook trout, completed, environment, habitat, habitat, landscape conservation design, landscape conservation design, Fewer tags Effects of dam removal on brook trout in a Wisconsin stream Dams create barriers to fish migration and dispersal in drainage basins, and the removal of dams is often viewed as a means of increasing habitat availability and restoring migratory routes of several fish species. However, these barriers can also isolate and protect native taxa from aggressive downstream invaders.We examined fish community composition two years prior to and two years after the removal of a pair of low-head dams from Boulder Creek,Wisconsin, U.S.A. in 2003 to determine if removal of these potential barriers affected the resident population of native brook trout (Salvelinus fontinalis). Despite the presence of other taxa in the downstream reaches, and in other similar streams adjacent to the Boulder... Categories: Publication; Types: Citation; Tags: Barrier, Brook trout, Brown trout fish, Coldwater, Colonization, All tags... Dam removal, Invasion, North America, Salmo trutta, Salmonidae, Salvelinus fontinalis, United States, Wisconsin, community composition, dam removal, dispersal, drainage basin, habitat availability, Fewer tags Diets of sympatric Lahontan cutthroat trout and nonnative brook trout: implications for species interactions Naturalized populations of nonnative salmonid fishes have been implicated in the decline of many native aquatic organisms, including amphibians (Bradford 1989), invertebrates (Polhemus 1993), and fishes (Moyle et al. 1986). Potential mechanisms by which nonnative fishes may interact with native biota include predation, competition, parasite and disease transmission, and hybridization, which may operate directly or indirectly (see Taylor et al. 1984 for a general review). Nonnative salmonids are frequently implicated in declines of native salmonids in the western United States (Allendorf and Leary 1988, Young 1995, Duff 1996). For example, loss of threatened Lahontan cutthroat trout (Oncorhynchus clarki henshawi)... Categories: Publication; Types: Citation, Journal Citation; Tags: Lahontan cutthroat trout, Oncorhynchus clarki henshawi, Salvelinus fontinalis, Western North American Naturalist, brook trout, All tags... diet selection, non-native species, Fewer tags Community composition data for assessing fish populations in headwater streams of the Adirondack Mountains, New York, USA Community composition data from multi-pass electrofishing surveys for assessing fish populations in headwater streams of the Adirondack Mountains, New York, USA. Each row represents one individual fish. This spreadsheet contains 11 columns. The first 7 columns describe the data (year collected, local site ID, stream name, latitude, longitude, USGS site number, and electrofishing pass number) and the remaining 4 columns describe each individual fish (common name, scientific name, total length (mm) and weight (g)). These data support the following publication: Baldigo, B.P., Sporn, L.A., George, S.D., and Ball, Jacob, 2017. Efficacy of environmental DNA to detect and quantify Brook Trout Salvelinus fontinalis, populations... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Citation, Downloadable, Map Service; Tags: Adirondack State Park, Adirondack streams, Adirondacks, Aquatic Biology, DNA, All tags... Essex County, Hamilton County, Herkimer County, Lewis County, NY, New York, Oneida County, Salvelinus fontinalis, St. Lawrence County, U.S., US, USGS Science Data Catalog (SDC), United States, Water Resources, brook trout, eDNA, environmental DNA, fish populations, identification, methods, population, population metrics, survey methods, Fewer tags