News tagged with fish population
Related topics: fish
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.
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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 ...
Feb 09, 2012 |
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Hatchery fish mask the decline of wild salmon populations
Scientists have found that only about ten percent of the fall-run Chinook salmon spawning in California's Mokelumne River are naturally produced wild salmon. A massive influx of hatchery-raised fish that return to spawn in ...
Feb 08, 2012 |
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18 endangered dolphins spotted off Borneo: WWF
Conservation group WWF said it spotted 18 critically endangered Irrawaddy dolphins in Indonesian waters off Borneo island Tuesday and called for greater protection of the species' habitat.
Feb 07, 2012 |
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Up to 6.7 million bats dead from fungus: US
Between 5.7 and 6.7 million bats have died in North America due to a fungus known as white-nose syndrome (WNS) since the disease first appeared in 2006, US authorities said on Tuesday.
Jan 17, 2012 |
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Titanium dioxide film enhances the sun's natural disinfection power
The world population is estimated to be seven billion and all these mouths need feeding. With fears about overfishing and the sustainability of fish stocks in our seas fish farming is becoming big business. As with all farming ...
Jan 12, 2012 |
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Genetic markers help feds enforce seafood regulations
New discoveries in "marine forensics" by researchers at the Virginia Institute of Marine Science (VIMS) will allow federal seafood agents to genetically test blue marlin to quickly and accurately determine ...
Dec 06, 2011 |
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Young women may reduce heart disease risk eating fish with omega 3 fatty acids
Young women may reduce their risk of developing cardiovascular disease simply by eating more fish rich in omega-3 fatty acids, researchers reported in Hypertension: Journal of the American Heart Association.
Medicine & Health / Cardiology
Dec 05, 2011 |
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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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Protecting predator and prey when both are in trouble
When both a predator and its prey are conservationally at risk, it can be difficult to find the right balance of ecosystem management to sustain and protect both.
Nov 09, 2011 |
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Can indigenous peoples be relied on to gather reliable environmental data?
No one is in a better position to monitor environmental conditions in remote areas of the natural world than the people living there. But many scientists believe the cultural and educational gulf between trained scientists ...
Oct 13, 2011 |
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Fishy behaviour
A fish's personality may determine how it is captured. This association between personality difference and capture-technique could have significant evolutionary and ecological consequences for affected fish populations, as ...
Oct 04, 2011 |
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'Illusion of plenty' masking collapse of two key Southern California fisheries
The two most important recreational fisheries off Southern California have collapsed, according to a new study led by a researcher from Scripps Institution of Oceanography at UC San Diego.
Sep 26, 2011 |
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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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Five sea turtle populations are endangered
The United States issued a ruling on Friday saying that five world populations of loggerhead sea turtles are endangered species but four are only "threatened."
Sep 16, 2011 |
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