Posts Tagged ‘habitat’
Earth & Environment - May 11, 2010 17:06 - 2 Comments
Monarchs fly north toward uncertain future
U. KANSAS (US)—Low temperatures, storms, and habitat destruction made it a tough winter in Mexico for monarch butterflies, but the news is not all doom and gloom. (more…)
Earth & Environment - May 11, 2010 16:41 - 1 Comment
Shape of lake bottoms can spur epidemics
INDIANA U. (US)—In an effort to learn more about the ecology of disease, researchers studying lakes in Michigan have discovered that the shape of lake bottoms may control the onset of epidemics. (more…)
Earth & Environment - May 11, 2010 11:34 - 1 Comment
Australia’s burned desert more biodiverse
STANFORD (US)—A research team is exploring what makes aboriginal hunting grounds molded by fire more biologically diverse than lands untouched by humans. (more…)
Earth & Environment - May 7, 2010 16:11 - 0 Comments
Fragmented forests make birds sitting ducks
U. ILLINOIS (US)—When forests are fragmented, snakes win and birds lose, new research shows. (more…)
Earth & Environment - May 4, 2010 19:02 - 0 Comments
Rattlesnakes sound warning on biodiversity
CORNELL (US)—Roads fragmenting natural habitats have had a significant effect over the past 80 years on the genetic structure of timber rattlesnakes in New York, according to new research. (more…)
Earth & Environment - Apr 29, 2010 15:51 - 0 Comments
Nations fail to meet biodiversity targets
UNC-CHAPEL HILL (US)—World leaders have failed to deliver on promises made in 2002 to reduce the global rate of biodiversity loss by 2010, and have instead overseen alarming biodiversity declines, according to a new study in the journal Science. (more…)
Earth & Environment - Mar 18, 2010 13:52 - 1 Comment
Catch fewer sturgeon to keep caviar coming
STONY BROOK (US)—Reducing adult mortality of beluga sturgeon would be more effective than hatchery supplementation in easing a worldwide shortage of caviar. (more…)
Earth & Environment - Feb 5, 2010 12:10 - 0 Comments
Sizable snail threatens endangered bird
U. FLORIDA (US)—A huge South American snail is wreaking havoc on its predator, the snail kite, an endangered Everglades bird of prey. (more…)
Earth & Environment - Jan 12, 2010 10:48 - 1 Comment
Western butterflies—nowhere to go but up
UC DAVIS—California butterflies are reeling from a one-two punch of climate change and land development, suggest the results of a study led by butterfly expert Arthur Shapiro. (more…)
Science & Technology - Nov 10, 2009 18:03 - 0 Comments
Space Station to host hatching butterflies
U. COLORADO (US)—When NASA’s space shuttle Atlantis launches for the International Space Station on Nov. 16 it will carry a butterfly experiment that will be monitored by thousands of K-12 students across the nation. The public, too, can view images and keep tabs on the project at http://bioedonline.org and www.monarchwatch.org/space. (more…)
Earth & Environment - Nov 2, 2009 11:35 - 0 Comments
Beetles point to habitat’s role in biodiversity
VANDERBILT (US)—Tiny leaf beetles that flit among the maple and willow trees in a Vermont town have provided some of the clearest evidence yet that environmental factors play a major role in the formation of new species. (more…)
Earth & Environment - Oct 5, 2009 19:08 - 0 Comments
Alfalfa sprouts recreate meandering stream
UC BERKELEY (US)—Researchers report the first experimental creation of meanders in a flume—a scaled-down model of a natural channel using alfalfa sprouts to represent vegetated stream banks. The experiments reveal some of the necessary conditions to form meanders on Earth and throughout the solar system. (more…)
Earth & Environment - Sep 15, 2009 17:27 - 2 Comments
Birds fly the coop when climate shifts
A low elevation species, the Bullock’s Oriole, or Icterus bullockii, responded to climate change by tracking precipitation. (Credit: Morgan Tingley)
Earth & Environment - Jul 24, 2009 14:43 - 0 Comments
Noisy nests not for the birds
“Understanding how birds respond to noise, especially birds with critical links to ecosystems, are crucial in maintaining biodiversity in growing areas of landscapes disturbed by urban clamor,” says lead author Clinton Francis. (Western Tanager pictured above. Courtesy: Clinton Francis)
