Old bones unearth new date for giant deer's last stand
A new investigation into extinctions caused by climate change has revealed that the giant deer, previously thought to have been wiped out by a cold spell 10,500 years ago, instead survived well into the modern era. University College London (UCL) scientists scoured the continent to col...Amphibians in dramatic decline; Up to 122 extinct since 1980
...e experiencing tens of thousands of years worth of extinctions in just a century, according to the most comprehensive study ever conducted. More than 500 scientists from over 60 nations contributed to the Global Amphibian Assessment, the key findings of which were published on-line by Science Express this aftern...New study links low fish supply to increased bushmeat hunting
...es studied. Some of the smaller reserves saw local extinctions -- defined as no recorded sightings for two years -- of nearly half of those species. At the same time, the supply of fish in Ghana ranged from 230,000 to 480,000 tons in a year, and varied by as much as 24 percent between consecutive years. ...2004 IUCN Red List of Threatened Species reveals 15,589 species at risk of extinction
... all major taxonomic groups; Continental species extinctions have become as common as extinctions on islands, which are typically more ecologically fragile, and Current extinction rates are at lea...Studies in Royal Society journals include stress in birds and depletion of medieval fish stocks
... USA Tolerance of pollination networks to species extinctions by Dr J Memmott, Professor NM Waser and Dr MV Price Humans rely on pollination of plants by insects, but human activities threaten pollinators and plants with extinction. This paper combines computer models with extensive records of pollination to ...Global bird populations face dramatic decline in coming decades, study predicts
...ng numbers of invasive species, avian declines and extinctions are predicted to continue unabated in the near fut...specialized diets are predicted to experience more extinctions than average, they wrote, adding that some plant species also face extinction if their primary polli...Latest census finds more American pika populations disappear as climate warms
...ate-1990s. The original research documented local extinctions at seven of twenty-five sites in the Great Basin the area between the Sierra Nevada and Rocky Mountains. The recent re-sampling brings the total number of sites at which American pika populations have suffered local extinction to nine out of twenty-...Scientists discover how climate change causes the simultaneous boom or bust of multiple populations
...e and far reaching, including an increased risk of extinctions in vulnerable populations, says Peter J. Hudson, the Willaman Chair in Biology at Penn State University and the director of The Center for Infectious Disease Dynamics at Penn State. Other members of the research team include Isabella M. Cattadori, a......ion can dowe must understand these habitats before extinctions occur. Blue Voices from the Deep Cornell researcher Christopher W. Clark studies ocean voices. Using the U.S. Navys anti-submarine listening system from the cold war, and customized systems developed at Cornell, Clark is investigating how the gre...Fossil records show biodiversity comes and goes
...sence in biodiversity, it can also be seen in both extinctions and originations." Muller, and his grad student, Robert Rohde, presented their findings in the March 10, 2005 issue of the journal Nature. In a commentary on this research in that same issue of Nature, UC Berkeley professor of earth and planetary sc...Mitsubishi offsets carbon footprint through investment in Madagascar's rain forest
...pected to accelerate biodiversity loss and species extinctions over the next 100 years. "We must think creatively when it comes to balancing the needs of our people and preventing the plants and animals of our country from going extinct. Organizations like the Wildlife Conservation Society and Conservation Inter......at failure to respond will bring the first primate extinctions in more than a century. The golden-headed lang... threat. "All evidence tells us that the first extinctions among Africa's primates will occur among the red colobus," said Thomas Butynski, director of CI's Ea...Ecosystems, economic choices and human well-being
...in how we manage our ecosystems, we face increased extinctions of species, accelerated loss of resources, and the degradation of our quality of life." --Peter Seligmann, chairman and CEO of Conservation International. "The MEA provides compelling evidence of the importance of healthy, functioning ecosystems as ...Super predators and mass extinctions; extreme NMR; and the world's smallest solenoids
...http://link.aps.org/abstract/PRE/v71/e052902 Mass extinctions seem to occur on Earth roughly every 26 million years, leading some scientists to propose that they may be caused by rare collisions with comets or asteroids. A researcher in Poland thinks it may be possible that extraordinary predators are at fault ...Conservation International and SC Johnson partner again to offset carbon impacts
...pected to accelerate biodiversity loss and species extinctions over the next 100 years. The Makira forest region consists of 350,000 hectares (about 1,350 square miles). It is one of the largest remaining patches of rain forest on the island nation of Madagascar. Within the forest, the level of species diversi...Invasive parasite destroying fish species
...esponsible for the dramatic declines and localized extinctions of a different minnow species in Europe during the past 40 years. This parasite, which scientists have found can almost totally destroy the spawning success of the small sunbleak minnow, Leucaspius delineatus, may pose threats to the diversity and st...Oceans turning to acid from rise in CO2
... the ocean could lead to ecological disruption and extinctions in the marine environment. When CO2 gas dissolves into the ocean it produces carbonic acid, which is corrosive to shells of marine organisms and can interfere with the oxygen supply. If current trends continue, the scientists believe the acidic wate...Did humans cause ecosystem collapse in ancient Australia?
Washington, D.C. Massive extinctions of animals and the arrival of the first humans in ...alian National University, and Bates College.* The extinctions occurred 45,000 to 55,000 years ago. The researchers traced evidence of diet and the environment con...Ancient diets of Australian birds point to big ecosystem changes
...ding most to believe that humans had a hand in the extinctions through over-hunting, spreading disease or by altering the vegetation of the vast interior through systematic burning. Using isotopic studies of fossil eggshells from both indigenous emus and the extinct, ostrich-sized Genyornis, a new study by Mill...Space matters: Estimating species diversity in the fossil record
...ause an important metric for understanding 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 presente...