martes, 10 de agosto de 2010

Top predators and biodiversity historically pressured in Stellwagen Bank National Marine Sanctuary

ScienceDaily (2010-08-03) -- The numbers of top-level predators in Stellwagen Bank National Marine Sanctuary, such as halibut and swordfish, have decreased significantly over what existed 100 years ago, according to a new NOAA report. The National Marine Sanctuaries Conservation Series report describes fish populations in the sanctuary that are resilient, but have suffered declines in numbers and species diversity over time.

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