Tag: "bison" at biology news
Fossils reveal direct link between global warming and genetic diversity in wildlife
...o maintain genetically diverse populations of elk, bison
and other mammals. "The landscape of Yellowstone arguably one of the largest relatively intact temperate zone ecosystems in the world is really chopped up and isolated, and there are fewer connections between populations," Hadly explained. "They ...
Six reporters reach the 'pinnacle of excellence'
...a costly, contagious disease that also plagues the bison
and elk populations of Wyoming. White's stories explained the challenges that confront this former Soviet republic, as it battles a disease that is endemic in both human and animal populations. She compared the struggle in Kazakhstan to the much ligh...
Yellowstone wolves, grizzlies and moose 'dysfunctional' study says
...he past 75 years, ungulates such as moose, elk and bison
living in the Greater Yellowstone region have lived in an ecosystem free of wolves--which were recently re-introduced in 1995--and grizzly bears--which have recolonized former habitat such as the Jackson Hole area. Berger and co-author Sanjay Pyare u...
Scripps Institution researchers develop new approach for designing marine reserves
...stone National Park for the purpose of having more bison
or more wolves or more bears so that you can keep hunting them outside the park." The research is part of a larger effort in cooperation with the World Wildlife Fund, Scripps's partner in a decade-long collaboration to apply science to practical s...
Scientists discover ancient protein and DNA sequences in the same fossil
...ty of approaches, the osteocalcin from the ancient bison
bone was fragmented and the information used to construct the amino acid sequence. Remarkably, the primary sequence of the protein was recovered intact, including the relatively unstable carboxylated glutamic acid (gamma-carboxy glutamic acid) resid...
ESA benefits grizzly bears
...ncluding the availability of foods such as salmon, bison
and whitebark pine (which have large seeds that the bears eat); habitat type and size; the presence of livestock and agriculture; and the density of people. Mattson and Merrill found three factors that strongly correlate with the survival of grizzly ...
New technologies to battle little known, widespread cattle disease
...s of cattle, deer, elk, sheep, goats, antelope and bison
also can fall victim. However, it is more prevalent in animals that are kept in confined conditions and relatively unusual in wildlife, Conner said. According to the USDA, some reports exist of the same bacteria infecting horses, pigs, chickens, rab...
Military technologies and increased fishing effort leave no place for fish to hide
...y as rifles and railroads were for American Plains bison
in the 19th Century, says Birkeland. The unsustainable pursuit of larger and more desirable coral reef species is also being fueled by the growth of international markets. Greater prosperity and demand for live food fish in South-East Asia has driven...
Experts offer the skinny on search for healthy fat
...per shows that wild ruminants such as deer, elk or bison
have a better omega-6 to omega-3 ratio. We also found that these same healthy fat ratios could be achieved in beef with grass feeding," Cordain says. Watkins says this type of beef could become an important niche product for some people. "Those who h...
Earth's 'last edens' receive $20 million boost
...ly. Forest elephants in the Congo rain forest and bison
in Yellowstone are apt examples. In total, WCS has identified more than 25 Living Landscapes worldwide. Importantly, these regions are also places where humans and animals have the potential to clash. The Living Landscapes approach brings togethe...
Texas tortoise and cattle can co-exist
...toise evolved in presence of large grazers such as bison
but the desert tortoise did not....
Humans hunted mammals to extinction in North America
...ls giant deer several species of oxen giant bison
Earlier computer simulations were too simp...me extinct and others not? Moose, Canadian elk and bison
survived. These had a broader distribution, explained Alroy. They were able to move into what is now...
Without bears and wolves to hunt them, Yellowstone moose have lost some spring in their step, study says
...ubs, and the effects of the disease brucellosis on bison
populations. "What the Serengeti is to Africa, Yellowstone is to America - a living museum of what the American west largely looked like hundreds of years ago. If our science can help us understand predator-prey dynamics, and simultaneously help pre...
New study shows bison dont favor groomed roads in Yellowstone National Park
... was instigated by the mass exodus and shooting of bison
during the 1996-97 winter, said Bob Garrott, an MS... professor and project advisor. Some suspected the bison
were exploiting the groomed roads to leave the park, a hypothesis repeated so frequently by the medi...
Emerging infectious diseases of wild animals are a threat to biodiversity and human health, according to new report
...merica with cattle. The presence of the disease in bison
of Yellowstone National Park is thus considered a ...nists and cattlemen and the shooting by farmers of bison
that graze near domesticated herds, even though thre is little evidence of cattle becoming infected,...
USGS scientist receives award for brucellosis research in Greater Yellowstone Area
...r Yellowstone Area wildlife. About 3,500 bison
and 120,000 elk in 27 separate herd units in the ...ion in cattle. Soon, said Roffe, elk and bison
of the Greater Yellowstone Area will be the only reservoir for potential re-infection of livest...
Solution To Bison-Cattle Conflict In Yellowstone
Montana shoots bison
that migrate in from Yellowstone National Park bec...it would be a good idea to keep them away from the bison
populationduring its birthing period. One pitfall would be if brucellosis-infected bisongave birth o...
LSU Ag Center Brucellosis Specialist May Help Stem Bison Controversy
...ironmentalists is creatingnational interest in the bison
herd in Yellowstone National Park. Dr. Phi...uestion of brucellosisinfection in the Yellowstone bison
herd. "Wyoming, Idaho and Montana are certified brucellosis free, but thatcould change if wi...
Colorado State University Study Reveals Climate Change, Longer Growing Seasons Could Harm Grazing On Western Shortgrass Steppe
...eriods of drought and constantgrazing, formerly by bison
and now by livestock. If cool-season plants supplantblue grama in the short term, Detling said, those plants may not be able tosurvive these same conditions, leaving the steppe bare following drought orheavy grazing. Blue grama is also an imp...
Mowing, Grazing Of Tall-Grass Prairie Increases
...rio of Kansas State University biology professors, bison
grazing or mowingincreases the species diversity o...e in plant diversity we see at Konza Prairie after bison
are re-introduced can be related toincreases with bison