Amphibian disease risk higher in undisturbed habitats
Amphibians may be more susceptible to disease in undisturbed natural habitats, a study in this week's issue of PNAS finds.
Ecology
May 30, 2011
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Page 25 - News tagged with population diversity
Overfished Amazon fish disperse seeds long distances
(PhysOrg.com) -- The gamitana fish, a close relative of the flesh-eating piranha, mostly eats fruit and can carry seeds down the Amazon River as far as 3 miles (5 kilometers), reports a new Cornell study, making it one of ...
Ecology
Apr 19, 2011
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Islands in the sky: How isolated are mountain top plant populations?
Do mountain tops act as sky islands for species that live at high elevations? Are plant populations on these mountain tops isolated from one another because the valleys between them act as barriers, or can pollinators act ...
Plants & Animals
Jan 21, 2011
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Endangered Finnish seal stock makes small recovery
The Saimaa ringed seal population in Finland, which has been on the brink of extinction for decades, increased slightly last year thanks to aggressive conservation efforts, experts said Thursday.
Ecology
Nov 11, 2010
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Climate change remains a real threat to corals
(PhysOrg.com) -- Hopes that coral reefs might be able to survive, and recover from, bleaching caused by climate change may have grown dimmer for certain coral species, according to new research by University at Buffalo marine ...
Environment
Oct 8, 2010
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Manatee subspecies genetically confirmed, but diversity challenge looms
The first genetic study to compare nuclear DNA of endangered Antillean manatees in Belize with Florida manatees confirmed their designation as separate subspecies. Belize's manatees, however, were found to have extremely ...
Ecology
Sep 13, 2010
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Study provides new standards for reliable fisheries
The many populations of sockeye salmon in Bristol Bay, Alaska act like a diversified portfolio of investments, buffering fisheries and incomes from the ups and downs of particular stocks. Sockeye salmon are one of the most ...
Ecology
Jun 2, 2010
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Genetic ancestry highly correlated with ethnic and linguistic groups in Asia
Several genome-wide studies of human genetic diversity have been conducted on European populations. Now, for the first time, these studies have been extended to 73 Southeast Asian (SEA) and East Asian (EA) populations.
Other
Dec 10, 2009
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The peopling of the Americas: Genetic ancestry influences health
At one time or another most of us wonder where we came from, where our parents or grandparents and their parents came from. Did our ancestors come from Europe or Asia? As curious as we are about our ancestors, for practical ...
Evolution
Aug 14, 2009
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Geneticists publish largest-ever study on African genetics revealing origins, migration
African, American, and European researchers working in collaboration over a 10-year period have released the largest-ever study of African genetic data--more than four million genotypes--providing a library of new information ...
Other
Apr 30, 2009
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