Sentences with phrase «isolated island populations»

Like any small, isolated island populations, the island fox remains extremely vulnerable to any catastrophic mortality source, be it predation, canine disease, or environmental extremes (1).

But between roughly 10,000 and 20,000 years ago, all except a few isolated island populations disappeared.

Not exact matches

The authors examine the concept and importance of maintaining connectivity (ability of wildlife populations to move among landscapes between habitat «islands» such as mountain tops, forest fragments and isolated wetlands) and corridor ecology.

In the traditional scenario for speciation, a population of animals becomes isolated from others of its kind, say by being blown onto a far - off desert island like one of the Galápagos.

In 2001, a team of scientists visiting Ball's Pyramid, an isolated rock spire off Lord Howe Island in the Tasman Sea, discovered the world's rarest invertebrate: an apparent relict population of two dozen Lord Howe Island stick insects (Dryococelus australis).

Most mammoths went extinct about 11,500 years ago, but some isolated Arctic island populations of woolly mammoth persisted until 4,000 years ago.

Dwindling populations created a «mutational meltdown» in the genomes of the last wooly mammoths, which had survived on an isolated island until a few thousand years ago.

After that heyday, the bears must have been split up into small, isolated populations — genetic bottlenecks — perhaps as they sought refuge on islands and other areas not covered by advancing glaciers during the most recent ice age.

In 2009, the islands also launched a public effort to identify people afflicted with carnitine transporter deficiency (CTD), a disease that can lead to sudden death in young adults and is a hundred times more common among the isolated Faroese population than elsewhere.

Even if evolution were true, the island of Flores is too small to have maintained an isolated population for long enough to allow the evolution of a new species, say researchers at Pennsylvania State University (NewScientist, 26 August 2006, p. 7).

The population now stands at 125 animals and is considered an important genetic resource due to its island heritage, which kept it isolated from other breeds and forced it to adapt to adverse conditions.

For spotted skunks we found levels of genetic differentiation between the 2 island populations that were roughly equivalent to that between island and mainland localities, suggesting that island populations have been isolated from each other for about as long as they have been isolated from the mainland.

Before joining LDF, she conducted and published research on antipredator behaviors in island isolated populations of California quail.

We scale projects protecting critical eco-regions around the world and connecting often isolated islands of habitat to restore threatened wildlife populations.