a number of species in a given community or in a given area. There are distinguished .Alpha – diversity (a number of species in a considered biotope), beta – diversity (a number of species in all biotopes of a given area) and gamma-diversity.
Qidiruv
«Species diversity» boʻyicha 8 ta natija
Lugʻat maqolalari
2 taproportion between a number of species and any index of significance: number, biomass, productivity, etc.
Taʼriflar ichida
6 ta– diversity inside a habitat or inside a community at a level of species. See also Species diversity.
characteristic of a community determined either by relative, or absolute number of species. See also Biological diversity and Index of species diversity.
an index of diversity at the territorial level, being comparable with landscape, uniting alpha and beta-diversity. The most ordinary index of G.d. is a list of species
– a time of transition into area of an absolute local maximum of biological diversity; determined by a time period necessary for a full mix of species on the correspondin
[English biosphere reserve] – protected areas of the ground, coastal and marine ecosystems or their combinations which are included into an international network of the U
a number of various types of biological plants or phenomena and frequency of their meeting on a fixed portion of space and time generally reflecting a complicated form of