Researchers who created "family trees" for nearly 10,000 fish have found that first-generation, wild-born descendants of hatchery-origin Chinook salmon in an Oregon river show improved fitness.
Plants & Animals
Apr 16, 2024
0
103
As a key food supply declines, the endangered population of Southern Resident killer whales, known to frequent the Salish Sea off the coasts of Washington and British Columbia, is spending far less time in that region, a ...
Ecology
Mar 24, 2023
0
202
In a peaceful bay off Norway's Hitra island, massive nets teem with salmon destined for dinner tables worldwide—an export boon for the Nordic nation that comes with a long list of environmental side-effects.
Ecology
Sep 28, 2016
0
8
Retreating glaciers in the Pacific mountains of western North America could produce around 6,150 kilometers of new Pacific salmon habitat by the year 2100, according to a new study.
Ecology
Dec 7, 2021
0
391
The Columbia River is home to one of the West Coast's most important Chinook salmon runs. Through late spring and early summer, mature fish return from the sea and begin their arduous journey upriver to spawn. In recent years, ...
Ecology
Oct 19, 2020
4
1897
Across the North Pacific, salmon fisheries are struggling with climate variability, declining fish populations, and a lack of sustainable fishing opportunities. According to a study published today in BioScience from a team ...
Plants & Animals
Dec 9, 2020
0
20
Researchers at the University of Jyväskylä, Finland, have found that the larvae of freshwater pearl mussel survive best in the original salmon fish population of their home river. Their study was published in Freshwater ...
Plants & Animals
Jun 21, 2022
0
19
The inaugural harvest of genetically modified salmon began this week after the pandemic delayed the sale of the first such altered animal to be cleared for human consumption in the United States, company officials said.
Other
May 28, 2021
0
659
One of Alaska's most abundant freshwater fish species is altering its breeding patterns in response to climate change. This could impact the ecology of northern lakes, which already acutely feel the effects of a changing ...
Ecology
Jan 19, 2017
0
9
University of East Anglia scientists have revealed how females select the 'right' sperm to fertilize their eggs when faced with the risk of being fertilized by wrong sperm from a different species.
Evolution
Aug 16, 2013
0
0
