Reproductive speed protects large animals from being hunted to extinction
...r their reproductive cycle, the higher the risk of extinction for large grazing animals such as deer and antelop...ted geographic area also are significant risks for extinction of a species, but under hunting pressure it's reproductive speed that really matters, according to a...Legal ruling may put endangered species in danger
...w defined an endangered species as one "at risk of extinction throughout all or a significant portion of its range." "It is clear that Congress intended 'range' to be the historic or former range of the animal," said John A.Vucetich, an assistant professor of population ecology in the School of Forest Resourc...Amphibians in losing race with environmental change
...s been estimated that the rate of plant and animal extinction is greater now than any known in the last 100,000 years, the researchers note in their report. Amphibians are of particular interest because their physiology and complex life cycle often exposes them to a wider range of environmental changes than oth...Volcanic eruptions, ancient global warming linked
... acidification of the worlds oceans and led to the extinction of numerous deep-sea species. Warming periods in...on of the ocean, corroded plankton shells, and the extinction of some bottom-dwelling organisms characterize the PETM. This interval occurred about 300,000 years ...Climate change could trigger 'boom and bust' population cycles leading to extinction
...s will fluctuate dramatically and be more prone to extinction as a result, said Wilmers. Highly prolific species...ation fluctuations make species more vulnerable to extinction due to disease, inbreeding, and other causes; in addition, each crash reduces the genetic diversity ...AIBS honors outstanding contributions to the biological sciences
...re primate species are being driven further toward extinction by human consumption. He is an award-winning journalist whose broadcasts and books demonstrate his passion for science and his adventurous spirit. He spent much of his career at National Public Radio, where he reported on science, medicine, technol...Why are there so many more species of insects? Because insects have been here longer
...y patterns across animals. Given the unprecedented extinction rates that the Earth's biota are currently experiencing, these findings are also quite sobering. We are rapidly losing what it has taken nature hundreds of millions of years to construct, and only time can repair it. ...Case Western researcher, international team call for better global warming forecasting
...ated 1.5 million species on earth are in danger of extinction from global warming, yet over the past 2.5 million years little extinction is documented in the fossil record. "The simultaneous widespread and justified alarm over global w...The delayed rise of present-day mammals
...not those we see today, that took advantage of the extinction of the dinosaurs,' says Mr Beck. The research, w... Georgia. Many paleontologists believed the mass extinction of dinosaurs allowed the ancestors of modern mammals to flourish and begin the long evolutionary pro...Dinosaur extinction didn't cause the rise of present-day mammals, claim researchers
...n adds: "Not only does this research show that the extinction of the dinosaurs did not cause the evolution of modern-day mammals, it also provides us with a wealth of other information. Vitally, scientists will be able to use the research to look into the future and identify species that will be at risk of ext...No need to thank dinosaur-killing asteroid for mammalian success
... struck the Yucatan Peninsula and triggered a mass extinction that allowed the ancestors of todays mammals to th...re challenges the prominent hypothesis that a mass extinction of dinosaurs 65 million years ago played a major role in the diversification of todays mammals. An...20 of world's 162 grouper species threatened with extinction
...commercial fish, found that 20 are threatened with extinction unless proper management or conservation measures ...ed by the World Conservation Union (IUCN) as under extinction threat, and the new assessment proposes adding 12 more. A panel of 20 experts from 10 nations dete...Biologists produce global map of plant biodiversity
...nown to humanity." "Climate change may drive to extinction plants that hold important cures before we find them," says Kreft, a biologist at the Nees Institute for Biodiversity of Plants at the University of Bonn. "Ecological research like ours that captures complex diversity - environment relationships on a...Cold is hot in evolution -- UBC researchers debunk belief species evolve faster in tropics
...gher latitudes, however, is counteracted by a high extinction rate, both likely due to more intense climate fluc...e stable environment contributes to an equally low extinction rate. As a result, more species survive. This could help explain why there are more species in gener...Alien predators are more dangerous than native predators
...s like numbats and bettongs are more vulnerable to extinction from other pressures such as diseases and habitat loss." The study assessed the impact on alien predators on populations of animals, birds and reptiles by evaluating 80 high-quality research studies from around the world. Predators ranging in size ...Smithsonian study concludes Caribbean extinctions occurred 2M years after apparent cause
...ided one vast ocean into two. In response, a major extinction of marine animals that had flourished under open s...their demise." The researchers don't yet know why extinction was delayed for such a long time. According to O'Dea, the species probably underwent severe reductio...Lifting Chinese tiger trade ban a death sentence for wild tigers say WWF and TRAFFIC
...WF and TRAFFIC, the Chinese ban helped prevent the extinction of tigers by curbing demand in what was historical...se demand for tiger parts would drive the tiger to extinction by the new millennium. The tiger survives today thanks in large part to China's prompt, strict and c......od webs, coral dissolution, and widespread species extinction in the future." Carbon dioxide, the gas most responsible for the Earths increase in average global temperature, and most associated with anthropogenic disturbances, will affect natures ability to sustain life both above and below the waves. Millero...Improved predictions of warming-induced extinctions sought
...er forecasting of the effects of global warming on extinction rates. The researchers, led by Daniel B. Botkin, n...e researchers "believe that current projections of extinction rates are overestimates." A critical review of the four types of model now in common use leads the t...African carnage -- 1 year's seized ivory likely came from 23,000 elephants
...s that the giant creatures might be on the path to extinction unless western nations reinstate strong enforcement efforts that all but halted black-market ivory trade in the four years immediately after the ban was enacted, said Samuel Wasser, director of the UW Center for Conservation Biology. He is the lead a...