Scientists must offer solutions for conserving tropical forests in a rapidly changing world
...ust help to mitigate the number of species lost to extinction by enhancing the effectiveness of the network of protected areas. Other applied research will help to rehabilitate degraded lands and to improve agricultural yields and living standards. According to William F. Laurance, Wright's colleague at STRI an...Human Y chromosome stays intact while chimp Y loses genes
...s been assumed that the Y chromosome is headed for extinction because, unlike other chromosomes, it has no genetic "mate" with which to swap genes. In 2003, Page published a landmark paper in Nature challenging that claim by demonstrating how a certain region of the Y chromosome possessed a unique mechanism for...New ivory-billed woodpecker recordings to be released
... region. But this species is still on the verge of extinction and huge mysteries remain to be solved. Certainly, we have a lot more work to do before we know enough to determine its population size, let alone ensure its survival." A team led by the Cornell Lab of Ornithology, The Nature Conservancy, the U.S. Fi...Climate model links higher temperatures to prehistoric extinction
...recedented detail at the time of the greatest mass extinction in the planet's history. The work gives support to... Research teams had previously studied the Permian extinction with more limited computer models that focused on a single component of Earth's climate system, such...Proposal would allow wild animals to roam North America
...alize ecosystems that have been compromised by the extinction of many of the continent's large mammals, many of them predators. It would also offer ecotourism and land-management jobs to help the struggling economies in rural areas of the Great Plains and Southwest. During the Pleistocene era -- between 1.8 mil...New global bird map suggests 'hotspots' not a simple key to conservation
...ns of SouthAmerica and Africa, whereas hotspots of extinction risk are on theislands of Madagascar, New Zealand and the Philippines. "In the past people thought that all types of biodiversity showed thesame sort of pattern, but that was based on small-scale analyses," sayssenior author Professor Ian Owens of I...Warming most evident at high latitudes, but greatest impact will be in tropics
...es live in the tropics and many could be driven to extinction because of their inability to adapt. "Evolution only happens if you don't go extinct. From an evolutionary standpoint, a model of the climate change impact reflects a race between adaptation and extinction," Tewksbury said. "Climate models project 6...New window into ancient ozone holes
..." said Lomax. That boundary marks the largest mass extinction in the Earth's history and also coincides with the largest known eruption of lava and potentially ozone-destroying gases - the Siberian Traps. The latest results from the ongoing work will be presented by Lomax on Wednesday, 10 August, at Earth Syste...Global warming's effects extend to world's smallest butterfly
... As the level of global warming raises its impact, extinction rapidly accelerates. This implies "that there may..., specific to each endangered species, above which extinction becomes much more likely," authors Martin Hoyle and Mike James state. There is no such threshold of...Study shows big game hunters, not climate change, killed off sloths
...ot the last ice age are the likely culprits in the extinction of giant ground sloths and other North American gr...eek. "If climate were the major factor driving the extinction of ground sloths, you would expect the extinctions to occur at about the same time on both the islan...North Atlantic right whales headed toward extinction
...hale ( Eubalaena glacialis ), is on a path toward extinction due to collisions with ships and entanglements in ...sand years of whaling brought the species close to extinction until the early 1900s when hunting bans were introduced. Nobody knows why the whales failed to rebou...New study explores patterns in species diversity and genetic diversity
...fect one type of biodiversity, such as causing the extinction of species, will produce a similar response in other measures of biodiversity. For example, it has been shown that both species diversity and genetic diversity of forest plants remain at similarly low levels in secondary forests relative to primary f...Endangered North Atlantic right whale study says population in crisis
...years of whaling that brought the species close to extinction in the early 20th century, the North Atlantic right whale has been protected from commercial whaling since 1935 but has faced constant threats from human activities, mainly collisions with ships and entanglement in fishing gear. In contrast, souther...FSU scientist warns North Atlantic right whale facing extinction
...ld after 1000 years of whaling brought it close to extinction in the early 20th century. Data compiled by N...ement of shipping and fisheries, right whales face extinction within the next 100 years." The current plight of the North Atlantic right whale stands in stark...Multi-species genome comparison sheds new light on evolutionary processes, cancer mutations
...ong mammals dramatically accelerated following the extinction of the dinosaurs about 65 million years ago. Befo...milar genomes. Researchers speculate that the mass extinction opened new ecological niches for mammals, spurring their diversification and the emergence of new ma...Size matters: Preventing large mammal extinction
...ing large mammals such as elephants and rhino from extinction could be made more effective by focusing efforts o...udy of its kind analyses key factors linked to the extinction of mammals. "Conservation biologists have always known that large bodied mammals are at greater ris...Comparative chromosome study finds breakage trends, cancer ties
...he rate of breakages and reorganization, since the extinction of dinosaurs 65 million years ago. In a study led ...sor of veterinary integrative biosciences. The K-T extinction occurred 65 million years ago as the Cretaceous Period closed and the Tertiary Period began. The Cre...Space matters: Estimating species diversity in the fossil record
...current extinctions relies on descriptions of past extinction events, controlling for a paleodiversityVarea effect may provide a better frame of reference for understanding the current biodiversity crisis. Thanks to the innovative text-mining tools and approach presented here, future studies can more easily cor...New model for studying species distributions and the mid-domain effect developed
...on in environmental factors hypothesized to reduce extinction rates or promote the evolution of new species. Recently, however, random re-arrangements ("randomizations") of species' distributions in geographical space have been shown to reproduce these hump-shaped gradients (termed "mid-domain effects"). Beca...Ancient diets of Australian birds point to big ecosystem changes
...ystem disruption is now thought to have led to the extinction of Australia's large terrestrial mammals, which di...widely cited alternative agents for a human-caused extinction event in Australia, would result in the dramatic changes at the base of the food web documented by o...