Related topics: fish

Plunging fish numbers linked to dam releases

A significant decline in the numbers of native fish in Australia's Murray-Darling Basin may be linked to released dam water being too cold for breeding.

Study finds circle hooks lower catch rate for offshore anglers

Anglers are required to use circle hooks in some fishing tournaments because they are less likely to cause lethal injuries in billfish, such as marlin. However, research from North Carolina State University shows that broadening ...

Commercial fishing estimated to kill millions of sea turtles

The number of sea turtles inadvertently snared by commercial fishing gear over the past 20 years may reach into the millions, according to the first peer-reviewed study to compile sea turtle bycatch data from gillnet, trawl ...

Recreational fishing causes Cape Cod salt marsh die-off

Recreational fishing is a major contributor to the rapid decline of important salt marshes along Cape Cod because it strips top predators such as striped bass, blue crabs, and smooth dogfish out of the ecosystem, according ...

Forests under threat from exotic earthworm invasion

It is widely acknowledged that human beings are largely responsible for the widespread alteration of ecosystems on the planet. A recent study by Dara Seidl and Peter Klepeis of Colgate University in New York traces the ways ...

page 4 from 8