Salmon farming is facing a huge challenge in the form of a tiny pest. The parasitic sea louse is infecting salmon stocks worldwide, causing devastating losses for salmon farmers and increased prices for shoppers. But scientists ...
Ecology
Apr 12, 2018
0
5
Currents in the ocean and fjords spread viruses that are killing large numbers of farmed salmon. Where should fish farms be built? And should they all be in use at the same time? Norwegian researchers are using computer modelling ...
Ecology
Mar 7, 2018
0
24
Japan may be an island nation surrounded by the bounty of the sea, but businessman Tetsuro Sogo is looking inland to raise one of the country's most loved sushi fish: salmon.
Ecology
Feb 28, 2018
0
12
Researchers who confirmed in recent years that salmon use the Earth's geomagnetic field to guide their long-distance migrations have found that the fish also use the field for a much simpler and smaller-scale migration: When ...
Plants & Animals
Feb 16, 2018
2
208
Hatchery-raised chinook salmon sort themselves into surface- and bottom-oriented groups in their rearing tanks. This behavior might be due in part to the fish's genes, according to an Oregon State University study.
Ecology
Feb 8, 2018
0
11
Decades ago, Lake Michigan teemed with nutrients and green algae, casting a brownish-green hue that resembled the mouth of an inland river rather than a vast, open-water lake.
Environment
Jan 31, 2018
0
46
The vaccines used by commercial fish farmers are not protecting fish from disease, according to a new study.
Ecology
Jan 22, 2018
0
462
Scientists working to protect California's most endangered salmon say in a new report that key improvements in tracking Sacramento River winter-run Chinook through California's complex water delivery system would help recover ...
Ecology
Dec 13, 2017
0
18
In order to meet the demands for salmon, many salmon farms have developed along the coasts of Scandinavia and Scotland. These operations are governed by strict environmental regulations. Farms are required to determine how ...
Ecology
Dec 12, 2017
0
7
The most treacherous journey of any salmon's life is from its natal river to the ocean when it is still a juvenile, usually when they are only a few months old. For endangered salmon, this early journey is a matter of life ...
Ecology
Dec 5, 2017
0
8
