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Winners of Mass Extinction: With Predators Gone, Prey Thrive
May 2, 2011 — In modern ecology, the removal or addition of a predator to an ecosystem can produce dramatic changes in the population of prey species. For the first time, scientists have observed the same dynamics ... > full story -
Early Warning Signal for Ecosystem Collapse: Fluctuations Before the Fall
April 28, 2011 — Researchers eavesdropping on complex signals emanating from a remote Wisconsin lake have detected what they say is an unmistakable warning -- a death knell -- of the impending collapse of the lake's ... > full story -
Jump in Communication Skills Led to Species Explosion in Electric Fishes
April 28, 2011 — The Mormyridae, a family of African fishes that communicate by means of weak electric discharges, has more than 200 species. New work shows the fishes evolved a complex signal-processing brain before ... > full story -
Fish Livers Contain Beneficial Fatty Acids, Study Suggests
April 28, 2011 — The fishing industry usually discards fish livers, but a team of researchers has confirmed that they are a good source of polyunsaturated fatty acids, which are beneficial to health. Anchovies are ... > full story -
Plenty More Fish in the Sea? New Method for Measuring Biomass Reveals Fish Stocks Are More Stable Than Widely Believed
April 28, 2011 — Fish and marine species are among the most threatened wildlife on earth, due partly to over exploitation by fishing fleets. Yet there are differences in assessing trends in worldwide fishing stocks ... > full story -
'Explosive' Evolution in Pupfish
April 27, 2011 — Two groups of small fish, one from a Caribbean island and one from the Yucatan peninsula of Mexico, exhibit some of the fastest rates of evolution known in any organism, according to a new ... > full story -
Omega 3: What Is Good for the Heart May Not Be Good for the Prostate, Study Suggests
April 25, 2011 — The largest study to examine the association of dietary fats and prostate cancer risk has found what's good for the heart may not be good for the prostate. A U.S. nationwide study involving more than ... > full story -
Seafloor Recovery from Fishing Gear Impacts in Stellwagen Bank Marine Sanctuary Slow, Unstable
April 22, 2011 — Seafloor communities in a restricted fishing area in NOAA's Stellwagen Bank National Marine Sanctuary are showing indications of recovery from chronic fishing gear impacts but is not fully ... > full story -
Scotland's First Marine Reserve Already Producing Benefits
April 21, 2011 — Scotland's first fully protected marine reserve, and only the second in the UK, is already providing commercial and conservation benefits, according to new ... > full story -
All U.S. Federal Waters of the Gulf of Mexico Once Closed to Fishing Due to Spill Now Open
April 20, 2011 — NOAA has reopened to commercial and recreational fishing 1,041 square miles of Gulf waters immediately surrounding the Deepwater Horizon wellhead, just east of Louisiana. This is the twelfth and ... > full story
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