Climate change plus human pressure caused large mammal extinctions in late Pleistocene
...is that humans caused extinction through long-term habitat alteration. Barnosky and his colleagues found sparse evidence outside Australia that humans were the sole cause of extinction. Data are sketchy for the Australian continent, Barnosky cautioned, but little climate change was going on at the time of ex...USAID, Conservation International & Starbucks launch Conservation Coffee Alliance in Central America
...ollaboration has produced significant benefits for habitat conservation and farmer livelihoods in Mexico, Colombia and Peru. Beginning with its flagship site along the buffer zone of the El Triunfo Biosphere Reserve in southern Mexico, CI has established several Conservation Coffee project sites within regi...Atacama rover helps NASA learn to search for life on Mars
...rid region on Earth, to understand the desert as a habitat that represents one of the limits of life on Earth. The project, part of NASA's Astrobiology Science and Technology Program for Exploring Planets, involves technology experiments to test robotic capabilities for mobility, autonomy and science. "Ide......oning System (GPS) collar to better understand the habitat needs of this largest member of the weasel, weighi...ne Ecosystem will benefit from efforts to maintain habitat between increasingly fragmented mountain ranges, as well as cooperation across a variety of agencies...UAF scientists discover new marine habitat in Alaska
...fishing boat has discovered an entirely new marine habitat just a stone's throw from shore. The discovery in ...is is exciting because it represents a new type of habitat scientists had not identified before in Alaska," said Brenda Konar, associate professor of marine bi...AIBS tapped to coordinate design of ecological observatories
...nd ecosystem function; the impacts of land use and habitat alteration; the ecology and evolution of infectious disease; the causes and consequences of invasive species; the ecological implications of biogeochemical cycles; and hydroecology. NEON will transform the way ecological research is conducted by brin...Ecology of infectious diseases grants awarded
...tudy how large-scale environmental events--such as habitat destruction, biological invasion and pollution--alter the risks of viral, parasitic and bacterial diseases emerging in humans and animals."Over the past 20 years, unprecedented rates of change in non human biodiversity have coincided with the emergen...Do genes respond to global warming?
...wo species responded to historical climate-induced habitat alterations in northwestern Wyoming. They gathered...cts on local mammal populations depending on their habitat preferences. Habitat specialists, the vole and pocket gopher live in the wet mountain regions of wes...Fossils reveal direct link between global warming and genetic diversity in wildlife
... not have anyplace to go because of development or habitat loss, and this has the potential to be exacerbated during global warming." She noted that the methods developed for the study offer wildlife biologists a unique approach to understanding the long-range effects of climate change on genetics. "In look...Computer models expose humans as main cause of caribou decline
...ibou population dynamics is the functional loss of habitat due to avoidance of good quality habitat in proximity of industrial infrastructures," said Weclaw, lead author of the study, which will be pu...Two warbler species find the West isn't big enough for both of them
...les. That is particularly true when the quality of habitat declines, leaving the female with a choice on which her survival could depend. "In low-quality habitat, Townsend's males are more able to attract females than hermits are," Butler said. "And that research is done in the hybrid zone, where there are ...JGI announces community sequencing program portfolio
...leted and fish and other organisms residing in the habitat die. Alvinella pompejana, the marine Pompeii worm, which has adapted to thrive at super-hot hydrothermal vents. Prochlorococcus, marine phytoplankton that plays a critical role regulating the dynamics of the global carbon cycle, responsible for a...Evidence for sympatric speciation by host shift in the sea
...ift is the simplest explanation for the pattern of habitat use and current-day geographic range of the new species. The ecology of coral-dwelling gobies closely matches that of leaf-eating insects, another group of animals for which sympatric speciation by host shift has been reported, thus providing support......cific mlo-resistance-gene recovered from a natural habitat was originally retrieved from Ethiopian landraces, primitive forms of Barley cultivars. They were collected during an expedition in 1937. Nowadays this mutation plays a crucial role in mildew resistance; it was introduced by traditional plant breedin...Restoring sweetgrass to the South Carolina lowcountry
...he major cause," says Burke. "The coastal savannah habitat has disappeared from much of this land, and areas where sweetgrass still grows cannot be accessed because of private property restrictions. There is a real possibility that this culturally and economically significant art form may disappear if basket...Counting foxes before the last tally-ho
...d that fox numbers were more heavily influenced by habitat features than by the number of foxes killed by people. This suggests that there is no reason to expect fox numbers to rise when hunting is banned." By itself, the survey does not show whether fox numbers would increase if people stopped hunting them....Excess levels of nitrogen, phosphorus linked to deformed frogs
...eractions in the pond food web," Chase said. "Add habitat destruction to all of these other concerns and there's no question that humans are messing up frogs left and right."......ead zone in the Gulf because the area is important habitat for shrimp and other important fin and shellfish. Hypoxia and other problems caused by excess nitrogen load are not unique to the Gulf of Mexico. Resent NOAA reports indicate that this problem occurs in more than 50 percent of US estuaries and th...... and female-female relationships and the expansive habitat in which lions live force them into "gang membership" in order to survive. For more information about this session, and other ESA Annual Meeting activities, visit the ESA meeting homepage at: http://www.esa.org/portland . The theme for the meeting i......ng roadsides in their paper, "Effect of multiscale habitat change in populations of birds breeding in sagebrush habitats." After exploring the changes to the sagebrush biome the session will shift to restoration and land management. David Pyke (USGS) will describe the results of a four-state stud...