News tagged with fish population

Finding an alternative to feeding fish fish

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 ...

Biology / Ecology

created May 15, 2012 | popularity 5 / 5 (1) | comments 0

Growing risks from hatchery fish

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 ...

Biology / Ecology

created May 14, 2012 | popularity 3 / 5 (1) | comments 0

Endangered wolves at NY preserve produce 8 pups

(AP) -- Eight rare Mexican wolf pups have been born at a preserve in the New York City suburbs, a development that could aid the federal program that has reintroduced the endangered species to the wild.

Biology / Ecology

created May 08, 2012 | popularity 5 / 5 (1) | comments 0

Arctic marine mammals and fish populations on the rise

Arctic marine mammals and fish populations are on the rise, according to a report released on Monday by the the Arctic Council's biodiversity working group at a Montreal conference.

Biology / Ecology

created Apr 24, 2012 | popularity 5 / 5 (2) | comments 0

Action needed to keep fish on the menu in 2050

The latest study suggests we may still be able to eat as much fish as we do today 40 years from now. But for that to happen, we'll have to change our ways, say scientists.

Biology / Ecology

created Apr 23, 2012 | popularity not rated yet | comments 2

Changing climate can affect fish fertility

(Phys.org) -- Warmer water temperatures can greatly increase the reproductive capacity of the widely distributed pest fish species gambusia, or mosquito fish, a new study has found.

Biology / Ecology

created Apr 10, 2012 | popularity not rated yet | comments 0 | with audio podcast

Evolution in action: Genetic study may answer why we have plenty of fish in the sea

(PhysOrg.com) -- Three-spine sticklebacks aren't as pretty as many aquarium fish, and anglers don't fantasize about hooking one. But biologists treasure these small fish for what they are revealing about the ...

Biology / Biotechnology

created Apr 04, 2012 | popularity 4.5 / 5 (2) | comments 4 | with audio podcast

Warmer summers could shrink trout populations

(PhysOrg.com) -- The New York state fish could be jeopardy due to climate change, warn Cornell scientists.

Biology / Ecology

created Mar 27, 2012 | popularity not rated yet | comments 0

Clash of the crayfish: Why the Americans are winning

Aggressive American signal crayfish are threatening Britain's native white-clawed crayfish populations because they have better resistance to parasites and are less fussy about what they eat.

Biology / Ecology

created Mar 15, 2012 | popularity not rated yet | comments 0

Shark fin soup to blame for blue shark decline

Scientists say the market for shark fin soup is the likeliest reason for the sharp drop in blue shark numbers over the last 30 years.

Biology / Ecology

created Mar 09, 2012 | popularity 5 / 5 (1) | comments 0

Commonly used herbicides seen as threat to endangered butterflies

A Washington State University toxicologist has found that three commonly used herbicides can dramatically reduce butterfly populations.

Biology / Ecology

created Mar 07, 2012 | popularity 5 / 5 (3) | comments 0

Coral-eating sea star invaders turn out to be locals

Researchers at the Hawai'i Institute of Marine Biology (HIMB), the Joint Institute for Marine and Atmospheric Research (JIMAR), organized research units in the University of Hawai'i at Manoa's School of Ocean and Earth Science ...

Biology / Ecology

created Feb 21, 2012 | popularity 5 / 5 (2) | comments 0

Conservation risk highest off coasts of Canada, Mexico, Peru and New Zealand: research

University of British Columbia researchers have identified conservation "hot spots" around the world where the temptation to profit from overfishing outweighs the appetite for conservation.

Biology / Ecology

created Feb 20, 2012 | popularity not rated yet | comments 0

Big fish reveal shelter secrets on reefcam

When it comes to choosing a place to hang out, big reef fish like coral trout, snappers and sweetlips have strong architectural preferences.

Biology / Ecology

created Feb 13, 2012 | popularity 5 / 5 (1) | comments 0

Hunting could hurt genetic diversity of sandhill cranes, research suggests

(PhysOrg.com) -- As Wisconsin lawmakers debate whether to establish a hunting season for sandhill cranes, they may want to consider more than just the sheer number of birds, suggests a University of Wisconsin-Madison ...

Biology / Ecology

created Feb 09, 2012 | popularity 5 / 5 (1) | comments 0