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Old Growth Supports Fewer Species
10/02/2001
Extensive forests of uniform age or vegetative structure have dramatically
fewer species than those with openings and aquatic habitats. For example:
landscapes of unbroken mature forests have approximately 100 vertebrates;
forest and early successional habitats, about 200; and forests with early
successional and aquatic habitats, more than 300 vertebrates. (Reported in
New Zealand area by USDA Forest Service personnel.)