Salmon exposed to algal-produced neurotoxins show changes in both their brain activity and general behavior.
Ecology
Jun 12, 2012
0
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 risk from overfishing.
Ecology
May 15, 2012
0
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 mounting evidence ...
Ecology
May 14, 2012
0
0
The grey seals in the Baltic Sea compete for fish with the fishing industry. The seals locally eat about the same quantities of cod, common whitefish, salmon, sea trout and eel as those taken by fishermen. This is the conclusion ...
Ecology
Apr 2, 2012
0
0
It is well known that female sex hormones (oestrogens) that end up in rivers and lakes, primarily via spillage from sewers and livestock farming, pose a threat to the environment.
Ecology
Feb 23, 2012
0
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 ...
Ecology
Feb 8, 2012
0
0
(PhysOrg.com) -- Scientists in Aberdeen have made a discovery which could ultimately help to develop a control for a major cause of infection in farmed fish.
Ecology
Jan 25, 2012
0
0
The environmental impact of plaice and cod caught wild in the North Sea is similar to that of imported farmed fish like salmon, tilapia and pangasius. This was the conclusion arrived at by LEI, part of Wageningen UR, in a ...
Ecology
Jan 23, 2012
1
0
Researchers at the University of Oviedo (Spain) have come up with a way of tagging gunpowder which allows its illegal use to be detected even after it has been detonated. Based on the addition of isotopes, the technique can ...
Ecology
Jan 12, 2012
0
0
The impact of hatcheries on salmon is so profound that in just one generation traits are selected that allow fish to survive and prosper in the hatchery environment, at the cost of their ability to thrive and reproduce in ...
Evolution
Dec 19, 2011
100
0
