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Record #155595:
Extinction debt and species credit in boreal forests: modelling the consequences of different approaches to biodiversity conservation / Ilkka Hanski.
Title: | Extinction debt and species credit in boreal forests: modelling the consequences of different approaches to biodiversity conservation / Ilkka Hanski. |
Author(s): | Hanski, Ilkka. |
Date: | 2000. |
In: | Annales Zoologici Fennici. (2000.), Vol. 37(4) (2000) |
Abstract: | Extinction debt in Finland is estimated at c. 1000. Using spatially explicit metapopulation model, paper examines likely consequences for survival of species of different scenarios of forest management and conservation. These are: mimicking new code of forestry, involving retention trees, snags and some decaying wood left in harvested areas; quality of only 10% of forest stands; or keeping same average improvement in forest stand quality as other two ways, but aggregating high-quality stands. Results favour concentrating efforts in certain areas. Other methods leading to same survival rate are prohibitively expensive. |
Notes: | Annales Zoologici Fennici. Vol. 37(4) :271-280 (2000). |
Keywords: | 502 -- Environmental issues. 502.7 -- Nature and wildlife protection. 519.673 -- Modelling. 634.0 -- Forests and forestry. N -- Renewable resources. (*3) -- Arctic regions. (*56) -- Finland. |
SPRI record no.: | 155595 |
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