Climate change isolates Rocky Mountain butterflies
...butterflies from each other, which may lead to the extinction of the colourful insects in some areas, says a new... neighbors in nearby meadows. "The risk of local extinction and inbreeding depression will increase as meadows shrink, the population sizes decrease and the pop...Tropical insects 'go the distance' to inform rainforest conservation
...maintaining tropical diversity, predicting species extinction and designing the systems of protected natural areas, Hulcr said. Because diversity doesnt necessarily increase with distance, but animals in small reserves tend to go extinct, you should plan for one large area instead of having a lot of small an...What we can learn from the biggest extinction in the history of Earth
...ford faculty in 2005, studies the Permian-Triassic extinction and the following 4 million years of instability i...urated with calcium carbonate. "This end-Permian extinction is beginning to look a whole lot like the world we live in right now," Payne said. "The good news, i...Gene variant is associated with brain anatomy, clinical course of ADHD
...unction, including enhanced verbal declarative and extinction memory, and with fluid intelligence in older, healthy subjects, the authors write. In children, gains in verbal knowledge are mirrored by change in the cortical thickness of speech areas. While our current study demonstrates changes in cortical thick...Waters off Washington state only second place in world where glass sponge reefs found
...the reef-building glass sponges were all driven to extinction 100 million years ago when diatoms, single-celled algae that also require silica dissolved in seawater, evolved in the global oceans and began using up the silica needed by the reef-building glass sponges. The Washington and British Columbia reef-bu...Picky eating potentially perilous for bats
...ink between dietary specialization and the risk of extinction for bats in Australia, Europe and North America. ...acteristics previously found to be associated with extinction risk in bats. Previous research has shown that habitat loss, roost availability, and gregariousnes...Rise of dinosaurs in Late Triassic more gradual than once thought
..." An alternative hypothesis held that the sudden extinction of many animals in the Late Triassic period allowed dinosaurs to diversify and eventually populate the globe. Based on the new findings, however, "quite a few of the groups proposed to go extinct survived well into the Late Triassic," Irmis said. D...... that change proteins) called Cdk5 facilitates the extinction of fear learned in a particular context. Conversel...mories. "Remarkably, inhibiting Cdk5 facilitated extinction of learned fear in mice. This data points to a promising therapeutic avenue to treat emotional disor...Size and positioning of floral anthers facilitates pollen collection by bees
..., as both plants and pollinators are threatened by extinction due to habitat loss and pollution from human activities. The recent alarm over the collapse of honeybee colonies has underscored the importance of insect pollinators not only to crops consumed by humans but also to plants that support the ecosystems...Size and positioning of floral anthers facilitates
..., as both plants and pollinators are threatened by extinction due to habitat loss and pollution from human activities. The recent alarm over the collapse of honeybee colonies has underscored the importance of insect pollinators not only to crops consumed by humans but also to plants that support the ecosystems ...Wolves of Alaska became extinct 12,000 years ago, scientists report
...e areas in the Pleistocene or whether there was an extinction or near extinction of the gray wolves from northern North America. Does the research have implications for global war...'Megafishes' project featured in Science magazine
... on the planet that are facing a global freshwater extinction crisis....Specialized, bone-crushing wolves of Alaska disappeared long ago
...iously recognized and show that wolves suffered an extinction at the end of the Pleistocene, said Blaire Van Val... of the few large predators that survived the mass extinction of the late Pleistocene. Nevertheless, wolves disappeared from northern North America at that time. ...Ice Age extinction claimed highly carnivorous Alaskan wolves
The extinction of many large mammals at the end of the Ice Age ma...rally thought to have survived the end-Pleistocene extinction relatively unscathed. But this previously unrecognized type of wolf appears to have vanished without...The kapok connection -- Study explains rainforest similarities
...od," Dick said. "It might be saved from widespread extinction by continuing to invade new land areas through oceanic dispersal."...Ancient DNA traces the woolly mammoth's disappearance
...results on other species, a picture is emerging of extinction not as a sudden event at the end of the last ice a...en we should be very concerned about the potential extinction of many existing large mammals, studying those that occurred in the geologically recent past can pro...Bigger horns equal better genes
...range in Europe, alpine ibex were hunted almost to extinction about a century ago for sport and the purported pharmacological properties of their horns. The last survivors were protected in an Italian national park, and the species has slowly repopulated and today is no longer considered endangered. ...Study warns climate change and deforestation will lead to declines in global bird diversity
...00 bird species may be imperiled or even driven to extinction by climate change and habitat destruction," says W...inceton. "Deforestation drives tropical species to extinction and also contributes to global climate change. Climate change, in turn, drives temperate species to ...Study focuses on only carnivore with 'fingerprints'
...owed to recover." Fishers were nearly driven to extinction in the state by deforestation and over-trapping before receiving protection in the 1930s. This led to a slow recovery, and limited trapping was permitted again in the 1970s. Their recent population boom appears to have begun in the 1990s. Fishers ......lobal cooling, which some scientists blame for the extinction of multiple species of animals and the end of the Clovis Period, was itself the result of a bigger event. While generally accepted theory says glacial melting from the North American interior caused the shift in currents, the new proposal points to a...