Naturally occurring "keystone" molecules that have powerful behavioral effects on diverse organisms often play large but unrecognized roles in structuring ecosystems, according to a theory proposed in the June issue of BioScience.

Biology - Ecology

May 16, 2013 5 / 5 (2) 0

An online survey of neuroscientists in Germany and the United States found that, although in both countries researchers believe "new media" such as blogs and online social networks are important in influencing public opinion ...

Other Sciences - Social Sciences

Mar 08, 2013 not rated yet 0

The American Institute of Biological Sciences (AIBS) has released a report from a workshop of experts that was convened last fall to outline the steps needed to build a Network Integrated Biocollections Alliance (NIBA) in ...

Biology - Ecology

Mar 04, 2013 not rated yet 0

Marine biologists are beginning to understand the varied diving and foraging strategies of filter-feeding whales by analyzing data from multisensor tags attached to the animals with suction cups. Such tags, in combination ...

Biology - Plants & Animals

Jan 09, 2013 not rated yet 0

The retention rate of women in the biological sciences, both in the United States and Canada, is lower than would be expected from the number of female doctoral students who graduated within the last decade, and lower than ...

Other Sciences - Social Sciences

Dec 11, 2012 not rated yet 2

Studies of a northern hardwood forest in New England point to unexpected ecological trends resulting from documented changes in the climate over 50 years. Some of the changes now taking place can be expected to alter the ...

Space & Earth - Environment

Nov 16, 2012 5 / 5 (3) 2

A key assumption that biologists have relied on widely over the past quarter-century in studying the evolution of protein molecules is "highly questionable," according to an article published in the November issue of BioScience.

Biology - Evolution

Oct 11, 2012 5 / 5 (2) 0

The Endangered Species Act (ESA)—the key US law protecting species listed as threatened or endangered—focuses on boosting species' numbers until they reach recovery thresholds and so can be taken off the ESA list. Almost ...

Biology - Ecology

Sep 10, 2012 5 / 5 (2) 0

North American freshwater fishes are going extinct at an alarming rate compared with other species, according to an article in the September issue of BioScience. The rate of extinctions increased noticeably after 1950, althou ...

Biology - Ecology

Aug 10, 2012 not rated yet 0

the act of purposely relocating a threatened species, population, or genotype to an area that is foreign to its natural history—is a controversial response to the threat of extinction resulting from climate change. An ...

Biology - Ecology

Jul 18, 2012 not rated yet 0

The management practice known as retention forestry, which involves deliberately leaving selected trees standing when wood is harvested, has spread to forests over much of the world and is bringing broad benefits to conservation, ...

Space & Earth - Environment

Jun 12, 2012 5 / 5 (1) 0

Dams are believed to be one of the biggest threats to freshwater organisms worldwide: They disrupt normal patterns of water and sediment flow, impede migration, and alter the character of spawning and feeding grounds. A shortage ...

Biology - Ecology

May 10, 2012 not rated yet 0

Inadequate knowledge about the effects of deepwater oil well blowouts such as the Deepwater Horizon event of 2010 threatens scientists' ability to help manage and assess comparable events in future, according to an article ...

Space & Earth - Environment

Apr 12, 2012 not rated yet 0

Ecosystems are changing worldwide as a result of shrinking sea ice, snow, and glaciers, especially in high-latitude regions where water is frozen for at least a month each year—the cryosphere. Scientists have already ...

Space & Earth - Environment

Apr 06, 2012 5 / 5 (5) 2

Fifteen years of studying two experimental wetlands has convinced Bill Mitsch that turning the reins over to Mother Nature makes the most sense when it comes to this area of ecological restoration.

Space & Earth - Environment

Mar 07, 2012 5 / 5 (2) 1 |