Original Research

The Herpetology of the Southern Kalahari domain

W. D Haacke
Koedoe | Supplement | a578 | DOI: https://doi.org/10.4102/koedoe.v27i2.578 | © 1984 W. D Haacke | This work is licensed under CC Attribution 4.0
Submitted: 01 December 1984 | Published: 01 December 1984

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Abstract

The herpetofauna of the southern Kalahari has mixed affinities, as this area lies on a rainfall gradient in a critical area where a transition between the arid south-west and the moister north-east takes place. As the variation in substrate type is relatively limited, the effect of the rainfall gradient appears to influence and determine the range limits of many taxa in both directions, resulting in an area in which of 55 recorded reptiles, 11 western taxa overlap or form a parapatric zone with 25 eastern taxa, while the remaining taxa are endemic or wideranging.

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