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2993 Views 1 Reply Last post: Feb 20, 2011 2:53 PM by John RSS
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Feb 16, 2011 9:57 AM

Will an early spring affect biodiversity?

It looks to me like spring will be early this year - I can't remember crocuses being out in such profusion in early February. Is this likely to affect our wildlife, particularly with the late spring last year?
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    Feb 20, 2011 2:53 PM (in response to Hummingbird)
    Re: Will an early spring affect biodiversity?
    I'll start with a disclaimer I am no expert. The first answer is that we don't know. Ecosystems are complex with each item interacting with with many others. This makes them potentially unstable and very hard to Model and therefore predict. My guess is the affects will vary, some species will adjust easily and just start work earlier. Others face catastrophe. If a species for instance breeds when its food is plentiful then it must keep pace with its food; if not it may appear earlier for instance with the weather only to find its food species is still in "Hibernation". Changes in the climate may allow alien species in and the competition may cause a loss of Native species. New conditions may eventually lead to new species being created. However in the short term I feel that Biodiversity is likely to drop dramatically particularly as other pressures such as Pollution,Pesticides,Herbicides And Farming methods are already putting many ecosystems under stress.
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