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Oecologia

pp 1–11 | Cite as

Can an herbivore affect where a top predator kills its prey by modifying woody vegetation structure?

  • Nicolas FerryEmail author
  • Moreangels M. Mbizah
  • Andrew J. Loveridge
  • David W. Macdonald
  • Stéphane Dray
  • Hervé Fritz
  • Marion Valeix
Community ecology – original research

Abstract

In large mammal communities, little is known about modification of interspecific interactions through habitat structure changes. We assessed the effects of African elephants (Loxodonta africana) on features of woody habitat structure that can affect predator–prey interactions. We then explored how this can influence where African lions (Panthera leo) kill their prey. Indeed, lions are stalk-and-ambush predators and habitat structure and concealment opportunities are assumed to influence their hunting success. During 2 years, in Hwange National Park, Zimbabwe, kill sites (n = 167) of GPS-collared lions were characterized (visibility distance for large mammals, distance to a potential ambush site and presence of elephant impacts). We compared characteristics of lion kill sites with characteristics of random sites (1) at a large scale (i.e. in areas intensively used by lions, n = 418) and (2) at the microhabitat scale (i.e. in the direct surrounding available habitat, < 150 m, n = 167). Elephant-impacted sites had a slightly higher visibility and a longer distance to a potential ambush site than non-impacted sites, but these relationships were characterized by a high variability. At large scale, kill sites were characterized by higher levels of elephant impacts compared to random sites. At microhabitat scale, compared to the direct nearby available habitat, kill sites were characterized by a reduced distance to a potential ambush site. We suggest a conceptual framework whereby the relative importance of habitat features and prey abundance could change upon the scale considered.

Keywords

Ecosystem engineer Indirect effects Apex predator Megaherbivores Predator–prey relationships 

Notes

Acknowledgements

The Zimbabwe Research Council and the Zimbabwe Parks and Wildlife Management Authority are kindly acknowledged for providing the opportunity to carry out this research. We sincerely thank Lowani Mpofu, Trust Dube and Gladys Kazembe for their great help with the fieldwork. We thank Craig Tambling, Marion Cordonnier and Simon Chamaillé-Jammes and an anonymous reviewer for their helpful comments on earlier versions of this manuscript. The Robertson Foundation, the Recanati-Kaplan Foundation, a CV Starr Scholarship and a grant from the French “Ministère de la recherché” through the “Ecole Doctorale E2M2” of “Université Claude Bernard Lyon 1” funded this research. This collaborative work was facilitated by an International Program for Scientific Cooperation (PICS) grant from the CNRS.

Author contribution statement

The first and second author contributed equally to this paper. NF carried out the statistical analyses and drafted the manuscript. MMM collected field data and drafted the manuscript. MV conceived and designed the study, coordinated the study, and critically revised the manuscript. AJL designed the study, coordinated field data collection and critically revised the manuscript. SD helped with the statistical analyses, the interpretation of the results and revised the manuscript. HF and DWM helped coordinate the study, interpret the results and revised the manuscript.

Supplementary material

442_2020_4617_MOESM1_ESM.pdf (218 kb)
Supplementary material 1 (PDF 217 kb)
442_2020_4617_MOESM2_ESM.pdf (119 kb)
Supplementary material 2 (PDF 119 kb)
442_2020_4617_MOESM3_ESM.pdf (148 kb)
Supplementary material 3 (PDF 147 kb)
442_2020_4617_MOESM4_ESM.pdf (131 kb)
Supplementary material 4 (PDF 130 kb)

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2020

Authors and Affiliations

  1. 1.CNRS, Université de Lyon, Université Lyon 1Laboratoire de Biométrie et Biologie Evolutive, UMR 5558VilleurbanneFrance
  2. 2.Wildlife Conservation Research Unit, Recanati-Kaplan Centre, Department of ZoologyOxford UniversityOxfordUK
  3. 3.LTSER France, Zone Atelier “Hwange”, Zimbabwe-CNRS HERD (Hwange Environmental Research Development) ProgramHwange National ParkDeteZimbabwe
  4. 4.Sustainability Research UnitNelson Mandela Metropolitan UniversityGeorgeSouth Africa

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