Large-scale distribution patterns of carnivores in northern South Africa: implications for conservation and monitoring

Accurate assessment of carnivore population status is frequently hindered by insufficient distribution data. For northern South Africa we address this deficit by mapping new records from landscape-scale sign surveys, questionnaire interviews, problem animal records and camera trapping. The black-bac...

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Main Authors: Thorn, M., Green, M., Keith, M., Marnewick, K., Bateman, Bill, Cameron, E., Scott, D.
Format: Journal Article
Published: Cambridge University Press 2011
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/32719
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author Thorn, M.
Green, M.
Keith, M.
Marnewick, K.
Bateman, Bill
Cameron, E.
Scott, D.
author_facet Thorn, M.
Green, M.
Keith, M.
Marnewick, K.
Bateman, Bill
Cameron, E.
Scott, D.
author_sort Thorn, M.
building Curtin Institutional Repository
collection Online Access
description Accurate assessment of carnivore population status is frequently hindered by insufficient distribution data. For northern South Africa we address this deficit by mapping new records from landscape-scale sign surveys, questionnaire interviews, problem animal records and camera trapping. The black-backed jackal Canis mesomelas and caracal Caracal caracal remain common and widespread. Ranges of the serval Leptailurus serval and brown hyaena Hyaena brunnea were much larger than previous estimates, reducing the risk of simultaneous extirpation across all occupied locations. The proportion of range area occupied was larger for several species, notably the leopard Panthera pardus, cheetah Acinonyx jubatus and serval. We conclude that the serval continues to recover from historical threats and is expanding into new areas. A larger brown hyaena range and less fragmented pattern of occurrence probably confers greater resilience to threats than was suggested by previous data. Reduced extinction risk arising from the increased area occupied by the cheetah and leopard is tempered by probable local range contraction. Our maps provide baseline information for monitoring the distribution of these six species, which is essential in managing ecological issues that have a spatial component such as responses to changing land use. Our results also demonstrate the utility of detection/non-detection surveys in rapid assessment of carnivore populations at large spatial scales.
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spelling curtin-20.500.11937-327192018-03-29T09:08:24Z Large-scale distribution patterns of carnivores in northern South Africa: implications for conservation and monitoring Thorn, M. Green, M. Keith, M. Marnewick, K. Bateman, Bill Cameron, E. Scott, D. cheetah serval brown hyaena caracal Black-backed jackal South Africa distribution leopard Accurate assessment of carnivore population status is frequently hindered by insufficient distribution data. For northern South Africa we address this deficit by mapping new records from landscape-scale sign surveys, questionnaire interviews, problem animal records and camera trapping. The black-backed jackal Canis mesomelas and caracal Caracal caracal remain common and widespread. Ranges of the serval Leptailurus serval and brown hyaena Hyaena brunnea were much larger than previous estimates, reducing the risk of simultaneous extirpation across all occupied locations. The proportion of range area occupied was larger for several species, notably the leopard Panthera pardus, cheetah Acinonyx jubatus and serval. We conclude that the serval continues to recover from historical threats and is expanding into new areas. A larger brown hyaena range and less fragmented pattern of occurrence probably confers greater resilience to threats than was suggested by previous data. Reduced extinction risk arising from the increased area occupied by the cheetah and leopard is tempered by probable local range contraction. Our maps provide baseline information for monitoring the distribution of these six species, which is essential in managing ecological issues that have a spatial component such as responses to changing land use. Our results also demonstrate the utility of detection/non-detection surveys in rapid assessment of carnivore populations at large spatial scales. 2011 Journal Article http://hdl.handle.net/20.500.11937/32719 10.1017/S0030605311000123 Cambridge University Press restricted
spellingShingle cheetah
serval
brown hyaena
caracal
Black-backed jackal
South Africa
distribution
leopard
Thorn, M.
Green, M.
Keith, M.
Marnewick, K.
Bateman, Bill
Cameron, E.
Scott, D.
Large-scale distribution patterns of carnivores in northern South Africa: implications for conservation and monitoring
title Large-scale distribution patterns of carnivores in northern South Africa: implications for conservation and monitoring
title_full Large-scale distribution patterns of carnivores in northern South Africa: implications for conservation and monitoring
title_fullStr Large-scale distribution patterns of carnivores in northern South Africa: implications for conservation and monitoring
title_full_unstemmed Large-scale distribution patterns of carnivores in northern South Africa: implications for conservation and monitoring
title_short Large-scale distribution patterns of carnivores in northern South Africa: implications for conservation and monitoring
title_sort large-scale distribution patterns of carnivores in northern south africa: implications for conservation and monitoring
topic cheetah
serval
brown hyaena
caracal
Black-backed jackal
South Africa
distribution
leopard
url http://hdl.handle.net/20.500.11937/32719