PNWA Report Says Research On Delayed Mortality Effects Of Lower Snake River Dams On Salmon, Steelhead Inconclusive
July 13th, 2023
Do the effects of juvenile salmon and steelhead passage through the four lower Snake River dams carry over into later life stages, contributing to high mortality in the ocean and far too low smolt-to-adult returns to the Snake River basin? In other words, does the stress of dam passage lead to delayed mortality?
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WSU Study Shows Substantial Spread Of Invasive Asian Clams In Columbia River, Threat To River’s Food Web
July 13th, 2023
The invasive Asian clam is more common in the lower Columbia River than its native habitat of southeast Asia, according to a study of the clam’s abundance in the river.
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When Ocean Warms, Chinook Bycatch In Pacific Hake Fishery Rises; Changing Water Temperatures Affect Salmon Distribution
July 13th, 2023
Rates of Chinook salmon bycatch in the Pacific hake fishery rise during years when ocean temperatures are warmer, a signal that climate change and increased frequency of marine heatwaves could lead to higher bycatch rates, new research indicates.
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UW Research Show Massive Seabird Die-Offs Off West Coast Indicator Of Marine Heat Waves; Can Kill Millions Of Birds Within Months
July 13th, 2023
New research led by the University of Washington uses data collected by coastal residents along beaches from central California to Alaska to understand how seabirds have fared in recent decades. The paper shows that persistent marine heat waves lead to massive seabird die-offs months later.
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Avian Responses To Climate Change: Birds Raise Fewer Young When Spring Arrives Earlier In A Warming World
July 13th, 2023
A new study of North American songbirds finds that birds can’t keep up with the earlier arrival of spring caused by climate change. As a result, they’re raising fewer young.
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Scientists Concerned About Increasing Skin Disease In Southern Resident Killer Whales; May Be Sign Of Compromised Immune System
June 29th, 2023
In a recently published study, scientists investigating the endangered southern resident killer whales have made a noteworthy observation: the prevalence of skin disease within this population has shown a significant increase.
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Canadian Researchers Say Urban Rain Gardens Could Reduce Toxic Chemical From Tires Killing Salmon
June 29th, 2023
Specially designed gardens could reduce the amount of a salmon-killing toxic chemical associated with tires entering our waterways by more than 90 per cent, new research shows.
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Group To Sue Oregon, California Transportation Agencies For Failing To Consider Fatal Impacts To Salmon From Tire Chemical
June 16th, 2023
The Center for Biological Diversity filed a formal notice of its intent to sue the Oregon and California state transportation agencies for failing to consider fatal impacts to salmon from toxic tire pollution.
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Clean Energy Microgrids Can Help Communities Adapt To Wildfires, Safety Power Shutoffs
June 16th, 2023
Wildfires have become increasingly frequent due to climate change, with record occurrences in areas not historically prone to them. In California, wildfires and regional power shutoffs have cost billions and taken lives. For some 46 million Americans living next to forests – at what scientists call the “wildland-urban interface” (WUI) – the risks of wildfire can be especially acute.