In the 1970s key themes in salmon conservation research were logging, dams, harvest and hatchery-produced fish and their interaction with wild runs of fish.
Clues from prehistoric droughts and arid periods in California show that today’s increasing greenhouse gas levels could lock the state into drought for centuries, according to a study led by UCLA professor Glen MacDonald.
A fish introduced to Lake Roosevelt over 60 years ago has become the darling of some Northwest anglers, but also a growing predatory threat to salmon and steelhead smolts in the Snake River, according to state and tribal fisheries biologists speaking at the Northwest Power and Conservation Council’s October meeting.
Water running off busy roads in California carries the pollutant 6PPD-quinone at levels that could harm two endangered salmonid species Endangered coho salmon and steelhead trout live and spawn in habitats surrounded by human activity, such as the San Francisco Bay area.
Just as Northwest power planners consider building out energy sources to ensure a minimum level of resource adequacy, they should also assure that salmon and steelhead returns are maintained at a minimum level of healthy and harvestable returns, said Jay Hesse, Director of Biological Services with the Nez Perce Tribe, speaking at the Northwest Power and Conservation Council’s October meeting in Donnelly, ID.
About half the salmon populations in British Columbia and the Yukon are below their long-term average spawner abundance, according to the Pacific Salmon Foundation, which released its third State of the Salmon report last week.
The Bonneville Power Administration has filed an expedited rate case, seeking a $250 million rate increase that could result in a rise of 6.3 percent in its customers’ wholesale power rates for the remainder of its 2026-28 rate period. The federal power marketing agency said the proposed increase is to recover additional costs caused when…
A limited Tribal gillnet research fishery targeting non-native fish in backwaters of the John Day Dam reservoir was approved recently by the two-state Columbia River Compact.
An Earthwise Knowledge Initiative Publication
Walleye A Growing Threat To Snake River Salmonids; Eat Smolts In The Spring, Feed On Other Non-Natives Rest Of Year
/in 04. WILDLIFEA fish introduced to Lake Roosevelt over 60 years ago has become the darling of some Northwest anglers, but also a growing predatory threat to salmon and steelhead smolts in the Snake River, according to state and tribal fisheries biologists speaking at the Northwest Power and Conservation Council’s October meeting.