oa Annals of the Transvaal Museum - Ecological distribution of the mammals of the Transvaal (Vertebrata: Mamalia)

Volume 31, Issue 10
  • ISSN : 0041-1752



The four biotic zones overlying the Transvaal are subdivided into ten zoogeographical units of lower taxonomic rank, i.e. community types. The latter are in terms of the veld types described by Acocks (1975). The validity of, and the interrelationships between, community types are tested by means of Duellman's (1965) Faunal Resemblance Factor. A simple phenogram constructed by using Sokal and Sneath's (1963) "weighted pair-group method using arithmetic averages" (WPGMA), illustrating faunal relationships between community types, is given. Westward and southward declines in species densities are indicated. Species density, faunal diversity, and eastward and westward flowing drainage systems are related to each other and are also employed to indicate areas of varying ecological complexity within the Transvaal.

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