News articles tagged with 'tree'
Study shows deforestation causes cooling
— 16 Nov 2011 21:25 | EnvironmentDeforestation, considered by scientists to contribute significantly to global warming, has been shown by a Yale-led team to actually cool the local climate in northern latitudes, according…
'Epidemiological' tree study shows impacts of climate change on forests
— 6 Apr 2011 17:43 | EnvironmentTree growth and fecundity - the ability to produce viable seeds - are more sensitive to climate change than previously thought, according to an 18-year study of 27,000 individual trees…
Mountain pine beetle marching east from Alberta
— 4 Apr 2011 17:40 | BiologyA University of Alberta-led research team has determined that the mountain pine beetle has invaded jack pine forests in Alberta, opening up the possibility for an infestation that could…
Fossil is best look yet at an ancestor of buttercups
— 1 Apr 2011 15:54 | Geology and palaeontologyScientists from the United States and China have discovered the first intact fossil of a mature eudicot, a type of flowering plant whose membership includes buttercups, apple trees,…
Russian boreal forests undergoing vegetation change, study shows
— 29 Mar 2011 16:01 | EnvironmentRussia's boreal forest - the largest continuous expanse of forest in the world, found in the country's cold northern regions - is undergoing an accelerating large-scale shift in vegetation…
Tree resin the key evidence of current and historic insect invasions
— 28 Mar 2011 15:07 | BiologyA University of Alberta-led research team has discovered that insects that bore into trees as long ago 90 million years, or as recently as last summer, leave a calling card that's rich…
Uncertain future for Joshua trees projected with climate change
— 28 Mar 2011 14:27 | EnvironmentTemperature increases resulting from climate change in the Southwest will likely eliminate Joshua trees from 90 percent of their current range in 60 to 90 years, according to a new…
'Fly tree of life' mapped, adds big branch of evolutionary knowledge
— 15 Mar 2011 20:56 | BiologyCalling it the 'new periodic table for flies,' researchers at North Carolina State University and collaborators across the globe have mapped the evolutionary history of flies, providing…
Scientists study control of invasive tree in western US
— 3 Mar 2011 13:53 | BiologySimply by eating the leaves of an invasive tree that soaks up river water, an Asian beetle may help to slow down water loss in the Southwestern United States…
Climate change causing demise of lodgepole pine in western North America
— 1 Mar 2011 18:48 | EnvironmentLodgepole pine, a hardy tree species that can thrive in cold temperatures and plays a key role in many western ecosystems, is already shrinking in range as a result of climate change…