News tagged with natural ecosystem

Zimbabwe faces crayfish crisis in water ecosystem

(AP)—Scientists in Zimbabwe say a fresh water crayfish brought from Australia is breeding out of control in the northern Lake Kariba, devouring the food sources of other fish and putting the nation's entire ...

Feb 12, 2013
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Valuing nature is not enough

Is it possible to put a price tag on the natural world? A researcher at The University of Nottingham has been examining the rise of a new concept—ecosystem services—to describe the multitude of resources supplied to us ...

Jan 24, 2013
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Genetic diversity: The hidden face of biodiversity

Will future conservation policies have to take account of the genetic diversity within each species ? A large-scale study into plants found at high altitude throughout the Alps and the Carpathians, has enabled ...

Oct 08, 2012
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