Nonnative species can affect the biogeochemistry of an ecosystem. For instance, Pacific salmon have been introduced as a sport fishery in many streams and lakes beyond their native range, but their introduction may be altering ...

Biology - Ecology

Apr 05, 2013 not rated yet 0

Every summer since 1979, Kim Hubert has fished for sockeye salmon in Alaska's Bristol Bay. It's a family business in tiny Togiak that has, from time to time, also employed his wife and three children.

Biology - Ecology

Mar 06, 2013 not rated yet 0

Salmon runs are notoriously variable: strong one year, and weak the next. New research shows that the same may be true from one century to the next.

Biology - Ecology

Jan 14, 2013 not rated yet 0 |

U.S. government health regulators say a genetically modified salmon that grows twice as fast as normal is unlikely to harm the environment, clearing the way for the first approval of a scientifically engineered animal for ...

Biology - Ecology

Dec 21, 2012 5 / 5 (2) 37

A University of Alberta led research team has some positive news for British Columbia's pink salmon populations, and the salmon farming industry that has struggled to protect both captive and wild salmon from sea lice infestations.

Biology - Ecology

Nov 15, 2012 5 / 5 (1) 0

(Phys.org)—After being virtually wiped out during a flood in 2005 in Wolf Point Creek, Alaska, salmon, meiofauna and most macroinvertebrates all re-colonized within two years, according to research published by University ...

Space & Earth - Earth Sciences

Sep 03, 2012 5 / 5 (2) 1 |

Reintroduced European beavers could have an overall positive impact on wild salmon populations in Scotland, according to a study by the University of Southampton.

Biology - Ecology

Aug 08, 2012 5 / 5 (1) 0

Salmon conservation shouldn't narrowly focus on managing flows in streams and rivers or on preserving only places that currently have strong salmon runs.

Biology - Ecology

Aug 03, 2012 not rated yet 0

Not having enough Chinook salmon to eat stresses out southern resident killer whales in the Pacific Northwest more than having boatloads of whale watchers nearby, according to hormone levels of whales summering ...

Biology - Plants & Animals

Jun 06, 2012 5 / 5 (1) 0

(Phys.org) -- Competition with pink salmon in the open ocean could be an important factor in the long-term decline in abundance of sockeye salmon populations in the Fraser River, according to new research from Simon Fraser ...

Biology - Ecology

May 18, 2012 not rated yet 0

Scientists at the University are developing a new plant-based product that could replace fishmeal, reducing the need for farmers to feed fish to other fish at a time when more than 90% of EU waters are at ...

Biology - Ecology

May 15, 2012 5 / 5 (1) 0

A newly published collection of more than 20 studies by leading university scientists and government fishery researchers in Alaska, British Columbia, Washington, Oregon, California, Russia and Japan provides ...

Biology - Ecology

May 14, 2012 3 / 5 (1) 0

Scientists have found that only about ten percent of the fall-run Chinook salmon spawning in California's Mokelumne River are naturally produced wild salmon. A massive influx of hatchery-raised fish that return to spawn in ...

Biology - Ecology

Feb 08, 2012 5 / 5 (2) 0

When both a predator and its prey are conservationally at risk, it can be difficult to find the right balance of ecosystem management to sustain and protect both.

Biology - Ecology

Nov 09, 2011 not rated yet 0

Warming streams could spell the end of spring-run Chinook salmon in California by the end of the century, according to a study by scientists at UC Davis, the Stockholm Environment Institute and the National ...

Biology - Ecology

Sep 01, 2011 3.7 / 5 (3) 3