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Mountain streams provide important habitats for many species, but their faunas are especially vulnerable to climate change because of ectothermic physiologies and movements that are constrained to linear networks that are easily fragmented. Effectively conserving biodiversity in these systems requires accurate downscaling of climatic trends to local habitat conditions, but downscaling is difficult in complex terrains given diverse microclimates and mediation of stream heat budgets by local conditions. We compiled a stream temperature database (n = 780) for a 2500-km river network in central Idaho to assess possible trends in summer temperatures and thermal habitat for two native salmonid species from 1993 to 2006....
Thermal regimes are fundamental to understanding aquatic ecology, given the ectothermic physiologies of most aquatic organisms. Moreover, significant departures from historical conditions are underway in response to a warming climate (Isaak et al. 2010; Isaak et al. In Review, Kaushal et al. 2010; Rieman and Isaak 2010). Although considerable amounts of stream temperature data are now routinely collected using inexpensive digital temperature sensors, most of these data are collected during summer when temperatures are warmest and access to mountain streams is easiest. This provides a narrow view of thermal regimes in streams and misses ecologically relevant information about the date of spring onset, growing season...
Effects of climate change on native and introduced trout in the Columbia River Basin, credited to Nagel, David E., published in 2010. Published in Interior Columbia Basin Interagency Deputy Team Meeting. Spokane, WA. December 7, 2010, in 2010.
Seasons other than summer: the need for annual stream temperature data, credited to Isaak, Daniel J., published in 2010. Published in Idaho American Fisheries Society Meeting. Pocatello, ID., in 2010.
Role of climate and invasive species in structuring trout distributions in the Interior Columbia Basin (In revision), credited to Dunham, J.B., published in 2011. Published in Canadian Journal of Fisheries and Aquatic Resources, in 2011.