The many populations of sockeye salmon in Bristol Bay, Alaska act like a diversified portfolio of investments, buffering fisheries and incomes from the ups and downs of particular stocks. Sockeye salmon are one of the most ...
Ecology
Jun 2, 2010
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Hunting and fishing quotas limit the number of game animals or fish an individual may take based on harvests from the previous year. But according to a new study co-authored by University of Minnesota ecologist Craig Packer, ...
Ecology
May 13, 2010
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Based on a comprehensive analysis of the latest scientific findings and new data, a group of the nation's leading environmental scientists are calling on the U.S. Environmental Protection Agency and the U.S Army Corps of ...
Environment
Jan 7, 2010
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A study released October 14th in the current issue of the peer-reviewed journal PLoS ONE will shed new light on oil and gas development potential in the Intermountain West. Maps accompanying the study show the impacts to ...
Ecology
Oct 16, 2009
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To understand how climate change may affect species survival, we need to understand how climate influences their time-keeping.
Ecology
Aug 1, 2009
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On the 25th anniversary of the project that brought the large blue butterfly back from extinction in the United Kingdom, ecologists are for the first time publishing the decades of research that helped them rescue this spectacular ...
Plants & Animals
Jun 16, 2009
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Climate change, fishing and commercial shipping top the list of threats to the ocean off the West Coast of the United States.
Environment
May 11, 2009
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Invasive species can disrupt natural and human-made ecosystems, throwing food webs out of balance and damaging the services they provide to people. Now scientists have begun to put a price tag on this damage. In a study ...
Ecology
Apr 20, 2009
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(PhysOrg.com) -- University of Michigan ecologists and their colleagues have answered a question that has puzzled biologists for more than a century: What is the main factor that determines a lizard's ability to shed its ...
Evolution
Mar 25, 2009
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(PhysOrg.com) -- Increased competition for rare breeding sites causes female blue tits to invest more time in their current brood, to spend more time feeding their offspring and also to produce more male offspring in their ...
Plants & Animals
Mar 9, 2009
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