News tagged with fish populations
Related topics: fish
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 ...
May 14, 2012 |
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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.
May 08, 2012 |
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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 ...
May 15, 2012 |
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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 ...
Apr 04, 2012 |
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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.
Apr 10, 2012 |
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Single wild female
(PhysOrg.com) -- The release of a single female guppy into the wild can generate entire new populations, even with no males present, according to new research.
Sep 22, 2011 |
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Did the North Atlantic fisheries collapse due to fisheries-induced evolution?
The Atlantic cod has, for many centuries, sustained major fisheries on both sides of the Atlantic. However, the North American fisheries have now largely collapsed. A new paper in the open-access, peer-reviewed journal PLoS ON ...
May 27, 2009 |
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Pollution triggers genetic resistance mechanism in a coastal fish
For 30 years, two General Electric facilities released about 1.3 million pounds of polychlorinated biphenyls (PCBs) into New York's Hudson River, devastating and contaminating fish populations. Some 50 years ...
Feb 17, 2011 |
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Scientists IDs genesis of animal behavior patterns
(PhysOrg.com) -- For the first time, MIT engineers and colleagues have observed the initiation of a mass gathering and subsequent migration of hundreds of millions of animals — in this case, fish.
Mar 26, 2009 |
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Double jeopardy: Tuna and billfish
A new study by top global fisheries experts presents an alarming assessment of several economically important fish populations. The analysis of 61 species of "scombrids," which include tunas, bonitos, mackerels ...
Jul 25, 2011 |
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Social behavior can make predators even pickier
Your greedy cat may turn up his nose at different food, but wild animals can be conservative when it comes to food choices too. And new research suggests that, in a group, even adventurous individuals can ...
Aug 18, 2011 |
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Whaling and fishing for the largest species has altered carbon sequestering in oceans
(PhysOrg.com) -- Decades of whaling and fishing for the largest species have altered the ability of oceans to store and sequester carbon, according to a team of marine researchers from the University of Maine, the University ...
Sep 06, 2010 |
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Genetic buzzer-beater genes may save fish
Two distinct populations of rainbow trout -- one in Alaska, the other in Idaho -- share a genetic trait that could have huge implications for fisheries conservation and management, an eight-member research team reports.
Nov 29, 2011 |
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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.
Apr 24, 2012 |
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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.
Apr 23, 2012 |
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