Testing for potential survey bias: the effect of roads, urban areas and nature reserves on a southern African mammal data set

Testing for potential survey bias: the effect of roads, urban areas and nature reserves on a... Mammalian record collection densities and bias attributable to observer survey preferences are assessed for the former Transvaal region of South Africa using a geographic information system (GIS). A method is presented which may be used to distinguish between highly biased and relatively unbiased sampling densities. Small mammal survey records within the region appear to have been collected relatively independently of the road and urban area infrastructure and are not biased towards nature reserves. Large mammal data on the other hand has mostly been collected within existing conservation areas. Although this latter data set would appear to be highly biased, it does accurately reflect the current distributions of larger mammalian taxa, which are presently almost entirely restricted to conservation areas. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Animal Conservation Wiley

Testing for potential survey bias: the effect of roads, urban areas and nature reserves on a southern African mammal data set

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Publisher
Wiley
Copyright
"Copyright © 1998 Wiley Subscription Services, Inc., A Wiley Company"
ISSN
1367-9430
eISSN
1469-1795
DOI
10.1111/j.1469-1795.1998.tb00019.x
Publisher site
See Article on Publisher Site

Abstract

Mammalian record collection densities and bias attributable to observer survey preferences are assessed for the former Transvaal region of South Africa using a geographic information system (GIS). A method is presented which may be used to distinguish between highly biased and relatively unbiased sampling densities. Small mammal survey records within the region appear to have been collected relatively independently of the road and urban area infrastructure and are not biased towards nature reserves. Large mammal data on the other hand has mostly been collected within existing conservation areas. Although this latter data set would appear to be highly biased, it does accurately reflect the current distributions of larger mammalian taxa, which are presently almost entirely restricted to conservation areas.

Journal

Animal ConservationWiley

Published: May 1, 1998

References

  • Inferring threat from scientific collections.
    Burgman, M. A.; Grimson, R. C.; Ferson, S.
  • Nature reserve selection in the Transvaal, South Africa: what data should we be using
    Freitag, S.; Nicholls, A. O.; Jaarsveld, A. S.
  • Conservation of Afrotropical antelopes: consequences and efficiency of using different site selection methods and diversity criteria.
    Kershaw, M.; Williams, P. H.; Mace, G. M.

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