News articles tagged with 'Yellowstone'
Study of wolves will help scientists predict climate effects on endangered animals
— 2 Dec 2011 10:32 | EnvironmentScientists studying populations of grey wolves in the USA's Yellowstone National Park have developed a way to predict how changes in the environment will impact on the animals' number,…
Montana State team finds rare oasis of life on floor of Yellowstone Lake
— 5 Oct 2010 03:34 | BiologyMontana State University researchers have discovered a rare oasis of life in the midst of hundreds of geothermal vents at the bottom of Yellowstone Lake…
Are wolves saving Yellowstone's aspen trees from elk?
— 2 Sep 2010 16:37 | BiologyPrevious research has claimed that the reintroduction of wolves to Yellowstone National Park in 1995 is helping restore quaking aspen in risky areas where wolves prowl. But apparently…
'Trophic cascades' of disruption may include loss of woolly mammoth, saber-toothed cat
— 1 Jul 2010 10:11 | Geology and palaeontologyA new analysis of the extinction of woolly mammoths and other large mammals more than 10,000 years ago suggests that they may have fallen victim to the same type of 'trophic cascade'…
Wolves lose their predatory edge in mid-life, new U of Minnesota study shows
— 28 Oct 2009 11:54 | BiologyAlthough most wolves in Yellowstone National Park live to be nearly six years old, their ability to kill prey peaks when they are two to three, according to a study led by Dan MacNulty…
Greater Yellowstone elk-wolf study shows elk having fewer calves due to changes in nutrition
— 17 Jul 2009 17:50 | EnvironmentWolves have caused elk in the Greater Yellowstone Ecosystem to change their behaviour and foraging habits so much so that herds are having fewer calves, mainly due to changes in their…
Montana State team finds Yellowstone alga that detoxifies arsenic
— 10 Mar 2009 15:58 | EnvironmentArsenic may be tough, but scientists have found a Yellowstone National Park alga that's tougher. The alga - a simple one-celled algae called Cyanidioschyzon - thrives in extremely toxic…
Study of disease risk suggests ways to avoid slaughter of Yellowstone bison
— 12 Jan 2009 21:50 | EnvironmentLast winter, government agencies killed one third of Yellowstone National Park's bison herd due to concerns about the possible spread of a livestock disease to cattle that graze in…
Are wolves the pronghorn's best friend?
— 5 Mar 2008 14:05 | BiologyAs western states debate removing the grey wolf from protection under the Endangered Species Act, a new study by the Wildlife Conservation Society cautions that doing so may result…
Hareless: Yellowstone's rabbits have vanished
— 15 Feb 2008 19:57 | EnvironmentA new study by the Bronx Zoo-based Wildlife Conservation Society found that jack rabbits living in the Greater Yellowstone Ecosystem have apparently hopped into oblivion. The study,…