In the Pacific Northwest, there are currently 18 evolutionarily significant units (ESUs) or
distinct population segments (DPSes) of Pacific salmon and steelhead listed as threatened …

As we confront novel environmental challenges, a full understanding of the physical and
biological processes that govern species responses to climate change will help maintain …

Prepare river ecosystems for an uncertain future Skip to main content Thank you for visiting
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Climate change threatens biodiversity through global alteration of habitats, but efficient
conservation responses are often hindered by imprecise downscaling of impacts. Besides …

Climate change and human activities are transforming river flows globally, with potentially
large consequences for freshwater life. To help inform watershed and flow management …

Long-term trends in warming have continued at global, national and regional scales.
Globally, 2014-2018 were the 5 warmest years on record both on land and in the ocean …

Management of protected species is difficult when objectives include the recovery of both
predator and its prey. Ideally, identifying trade-offs between competing objectives involves …

The Arctic hydrological system is an interconnected system that is experiencing rapid
change. It is comprised of permafrost, snow, glacier, frozen soils, and inland river systems. In …

Species with complex life cycles, such as anadromous fish that perform spawning migrations
between freshwater and the ocean, may be particularly sensitive to global change because …

Forestry is pervasive across temperate North America and may influence aquatic
environmental conditions such as flows and temperatures, as well as important species such …