By ANDREW C. REVKIN3 June 2012 Even as insect infestations and other factors accompanying warming have led to the “browning” of some stretches of boreal forest between temperate regions and the Arctic tundra, the tundra appears to be greening in a big way, various studies have shown. The newest such work, focused on scrubby windswept […]
By Brandon Keim 1 May 2012 Herbicide-resistant superweeds threaten to overgrow U.S. fields, so agriculture companies have genetically engineered a new generation of plants to withstand heavy doses of multiple, extra-toxic weed-killing chemicals. It’s a more intensive version of the same approach that made the resistant superweeds such a problem — and some scientists think […]
9 April 2012 (NAU) – Global warming may initially make the grass greener, but not for long, according to new research conducted at Northern Arizona University. The study, published this week in Nature Climate Change, shows that plants may thrive in the early stages of a warming environment but begin to deteriorate quickly. “We were […]
By JOHN UPTON7 April 2012 A clerk serving Cantonese-speaking customers at a cluttered market in San Francisco’s Chinatown reached into a tub of American bullfrogs. She drew a one-pound frog from the top of the pile. She whacked its head, sliced its neck and placed its body in a plastic grocery bag. The frog cost […]
By Dean Kuipers27 February 2012 Hear the sound of chewing out in our vast forests of lodgepole pine, spruce and fir, the chewing that’s already destroyed half the commercial timber in important regions like British Columbia? That’s the sound of climate change, says biologist Reese Halter. Global warming in the form of a bark beetle. […]
WASHINGTON, DC, 23 February 2012 (ENS) – New Orleans, Houston, and Albuquerque are losing trees faster than any other U.S. cities, and across the country tree cover is declining at a rate of about four million trees per year, finds new U.S. Forest Service research published in the journal Urban Forestry & Urban Greening. Researchers […]
Contact: Qinfeng Guo, qguo@fs.fed.us, 828-257-4246, Pensoft Publishers23 February 2012(Pensoft Publishers) – Extensive ongoing research on biotic invasions around the world constantly increases data availability and improves data quality. New research in the United States shows how using improved data from previous studies on the establishment of exotic plant species changes the understanding of patterns of […]
By Richard Gray, Science Correspondent19 February 2012 Biologists say they have found the rosette agent, a disease that has caused widespread damage in the United States, in a UK waterway for the first time. They have shown the disease, which is carried by an invasive fish called the topmouth gudgeon, can cause 90% mortality in […]
By John Nielsen-Gammon 13 February 2012 The University of Texas’s new Center for Integrated Earth System Science is hosting its first public event today: a water forum entitled “Texas Drought 2012 — Are We Prepared?” The morning talks featured status reports from various state and regional agencies, while the afternoon featured water research tools and capabilities […]
Contact: Jeff Miller, (415) 669-73572 February 2012 SACRAMENTO, California – The California Fish and Game Commission voted unanimously today to designate two species of native frogs inhabiting high-elevation lakes in the Sierra Nevada and Southern California mountain ranges as threatened and endangered species under the state’s Endangered Species Act. More than 75 percent of the […]
