Releasing captive-bred Atlantic salmon into the ocean, a long-standing practice to boost stocks for commercial fishing, reduces the rate at which wild populations reproduce and may ultimately do more harm than good, researchers ...
Plants & Animals
Oct 21, 2020
0
623
In the fall of 2015, two years into a heatwave in the Pacific Ocean colloquially known as "the Blob," an unusually large influx of common murres, a small northern seabird, began to wash ashore.
Ecology
Jan 20, 2020
3
283
Overfishing, climate change and pollution have reduced fish populations in Canadian lakes and rivers. While hatchery-raised fish could return numbers to normal, they aren't as well adapted to their new environments, and there's ...
Evolution
Nov 4, 2014
1
0
Scientists studying nearly identical coral reef systems off Australia discovered something unusual on the reefs subjected to nearly exclusive fishing of sharks—fish with significantly smaller eyes and tails. The study is ...
Ecology
Jan 16, 2018
1
211
In 2020, Japan performed the first successful test extracting cobalt crusts from the top of deep-sea mountains to mine cobalt—a mineral used in electric vehicle batteries. Not only do directly mined areas become less habitable ...
Plants & Animals
Jul 14, 2023
1
90
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
If a piece of information is repeated often enough, it will eventually be believed, even if there is no evidence for it. One example of this features the friendly clownfish Nemo and his side-kick Dory, a blue tang fish, who ...
Plants & Animals
Aug 15, 2019
0
6
The Orinoco crocodile (Crocodylus intermedius) is a critically endangered species native to the Orinoco River basin in Colombia and Venezuela. It is one of the largest crocodilian species in the world, reaching lengths of ...
Ecology
Jul 26, 2023
0
100
It took some of America's best engineers, thousands of laborers and two years of around-the-clock concrete pouring to build the 726-foot-high Hoover Dam back in the 1930s. It took less time than that for the tiny, brainless ...
Ecology
Mar 2, 2009
1
0
The creation of all-male or all-female groups of animals, known as monosex populations, has become a potentially useful approach in aquaculture and livestock rearing.
Plants & Animals
Sep 13, 2019
0
4
