Abstract

The assessment of biological diversity and the processes that govern it is important for ecological research and nature conservation. This review describes the main general theories and presents the modern concept of mechanisms for the assembly of ecological communities. Deterministic (abiotic filter and biotic interactions) and stochastic (ecological drift, dispersal and speciation) processes influencing taxonomic, functional and phylogenetic facets of diversity are discussed. Impact of certain processes (influence of individual environmental factors, biotic interactions, dispersal limitation) on the - and - levels of each facet of biodiversity are shown. In turn, estimation of them makes it possible to assess the contribution of certain processes on the biodiversity of the studied local communities.

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