News tagged with ecologist

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Study provides new standards for reliable fisheries

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 ...

Jun 02, 2010 5 / 5 (1) 0 | with audio podcast

Ecologists put price tag on invasive species

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 ...

Apr 20, 2009 not rated yet 0

Crafty Australian crayfish cheat

Nestled just off the east coast of Australia, picturesque North Stradbroke Island is a haven for local wildlife. Yet some of the inhabitants of the island's creeks and swamps are far from peaceful. Slender crayfish are aggressive ...

Feb 27, 2009 4.5 / 5 (4) 0