Globally, salmonids have been widely introduced into freshwater areas for aquaculture and recreational angling. brown trout (Salmo trutta), which are native to Europe, and brook trout (Salvelinus fontinalis), which are native ...
Plants & Animals
Jan 29, 2024
0
37
Some 9,700 years ago on an autumn day, a group of people were camping on the west coast of Scandinavia. They were hunter-gatherers that had been fishing, hunting and collecting resources in the area.
Archaeology
Jan 21, 2024
0
70
A research team from the Chair of Aquatic Systems Biology at the Technical University of Munich (TUM) has analyzed the harm caused to fish, changes in their behavior and the impact on the aquatic habitat at the shaft power ...
Plants & Animals
Oct 11, 2023
0
10
Awareness of non-native—often called "invasive"—species has vastly increased over the past half-century, to the point where anyone with a green conscience has heard of them and their negative impacts.
Plants & Animals
Oct 6, 2022
4
116
Over 1 million dams and culverts (tunnels that encircle rivers passing under roads) block the movements of fish and other wildlife in Europe. Scientists estimate that less than 1% of catchments in the U.K. are free of obstruction. ...
Plants & Animals
Aug 3, 2022
2
5
Researchers from the University of Jyväskylä found brown trout better survived a Flavobacterium disease outbreak if the fish had larvae of freshwater pearl mussel in their gills. In another study, duck mussels were observed ...
Plants & Animals
Apr 4, 2022
0
24
Snow monkeys living in one of the world's coldest regions survive by 'going fishing' – scooping live animals, including brown trout, out of Japanese rivers and eating them to stay alive, a new study reveals.
Plants & Animals
Nov 29, 2021
1
40
odification of river habitat by Eurasian beavers helps fish in small upland streams, according to a new study led by the University of Southampton.
Plants & Animals
Oct 6, 2021
2
12
Human pollution is often evident from oil slicks and plastic drifting on shore, but many of the drugs humans consume also end up washing out into the water, and current effluent treatment isn't equipped to deal with them. ...
Ecology
Jul 7, 2021
0
7
In the early 1900s, brown trout and rainbow trout were introduced to southern South America for recreational fishing and early aquaculture initiatives. About 40 years later, American beaver were introduced in the same region ...
Evolution
Sep 2, 2020
0
243
