Collembolan community organization and its temporal predictabilityстатья
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Дата последнего поиска статьи во внешних источниках: 10 августа 2018 г.
Аннотация:Long-term investigations on Collembola in Russian forests revealed that both stable
and fluctuating communities can exist in natural ecosystems. Stable collembolan
communities are characteristic of mesic moisture conditions, whilst fluctuating communities
are typical of either xeric or hygric habitats. Stable communities are determined
by between-year constancy in species and ecological structures, though other
characteristics (for instance, total collembolan abundance or number of species) can
vary. Stability of collembolan communities is externally stimulated by the constancy
of environmental conditions or by their cyclic changing. Stable collembolan communities
are best suited for the bioindication of long-term anthropogenic impacts on natural
ecosystems, whereas fluctuating communities better reflect short-term environmental
changes. A temporal predictability is possible only for stable communities.