Clash Of The Crayfish: Why The Americans Are Winning
Leeds, U.K. - Mar 15, 2012 20:29 EST
Aggressive American signal crayfish are threatening Yorkshire's native white-clawed crayfish populations because they have better resistance to parasites and are less fussy about what they eat.
The native crayfish suffers from two parasites; plague, which is carried by the American...
New Study Lowers Estimate Of Ancient Sea-Level Rise: 20 To 43 Feet
New York, New York - Mar 14, 2012 20:07 EST
The seas are creeping higher as the planet warms. But how high will they go? Projections for the year 2100 range from inches to several feet, or more. The sub-tropical islands of Bermuda and the Bahamas contain important sites where...
Scientists Document First Consumption Of Abundant Life Form, Archaea
Corvalis, Oregon - Mar 12, 2012 18:51 EST
A team of scientists has documented for the first time that animals can and do consume Archaea – a type of single-celled microorganism thought to be among the most abundant life forms on Earth.
Archaea that consume the greenhouse gas methane...
Research: Chumming, Ecotourism Does Not Impact Shark Behavior
Miami, Florida - Mar 9, 2012 19:31 EST
Ecotourism activities that use food to attract and concentrate wildlife for viewing have become a controversial topic in ecological studies. This debate is best exemplified by the shark dive tourism industry, a highly lucrative and booming global market. Use of...
Florida Keys Coral Expert Ken Nedimyer Named CNN Hero; 'I Had To Pinch Myself'
Florida Keys, Florida - Mar 2, 2012 19:39 EST
A Florida Keys coral restoration expert has been named a CNN Hero for his pioneering efforts to develop techniques to preserve coral reefs and motivate public support for a cause that attracts environmentally conscious vacationers.
The honor for Ken Nedimyer, founder...
What Makes A Robot Fish Attractive? Hint: It's In The Moves
New York, New York - Mar 1, 2012 19:45 EST
Probing the largely unexplored question of what characteristics make a leader among schooling fish, researchers have discovered that by mimicking nature, a robotic fish can transform into a leader of live ones.
Through a series of experiments, researchers from Polytechnic Institute...
Scientists: Diverse Catches Are Better For Fishery Ecosystems; 'Balanced Harvest'
Clayton, Victoria - Mar 1, 2012 19:26 EST
Fishing for a 'balanced harvest' can achieve productive fisheries as well as environmental conservation, an international scientific team reports today in the journal Science.
In contrast, increasing fishing selectivity to catch a small group of species and sizes neither maximizes production...
Say Again: Blue Whale Behavior Affected By Man-Made Noise
San Diego, California - Feb 29, 2012 18:24 EST
Blue whale vocal behavior is affected by man-made noise, even when that noise does not overlap the frequencies the whales use for communication, according to new research published Feb. 29 in the open access journal PLoS ONE. The whales were...
Research: Humans Greater Threat To Groundwater Than 'Climate Change'
Saskatoon, Saskatchewan - Feb 22, 2012 18:25 EST
Human activity is likely a greater threat to coastal groundwater used for drinking water supplies than rising sea levels from climate change, according to a study conducted by geoscientists from the University of Saskatchewan and McGill University in Montreal.