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The Effect of Human Activity on the Welfare of the African Elephant (Loxodonta africana) in Namibia

By Iris Hagvag Ringstad

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Abstract

The African elephant (Loxodonta africana) is vital in several African ecosystems, accentuating the importance of conserving them. However, conservation efforts are constantly complicated due to human population growth. Anthropogenic disturbances has been linked with elevated stress levels in animals, which in turn is associated with decreased welfare and fitness. The present study seeks to replicate a previously conducted study of elephants in Tanzania, with the goal of evaluating the current Namibian elephant population and increasing the knowledge of what anthropogenic disturbances are affecting, if at all, the welfare of elephants. The study was done as a comparative study between areas with high (outside protected area) and low (inside protected area) human interference, using the non- invasive method of measuring the concentration of faecal glucocorticoid metabolites as a measure of stress. During 32 days in the field, a total of 90 dung samples were collected and analysed. The results supported the hypothesis with a significantly higher stress level recorded outside the protected national park, Etosha (ENP), compared to inside ENP. Further statistical analyses showed that the only variable explaining this variation significantly was area (inside vs. outside). The findings suggest that anthropogenic disturbances are a contributing factor, elevating stress levels in elephants residing in non-protected areas, potentially affecting their welfare. Human-elephant conflicts (HEC) seem to be an important underlying cause, hence emphasizing the importance of seeking to prevent and minimize HEC in future conservation work. The low physiological stress levels measured inside ENP further demonstrate the importance of protected areas for conservation purposes.

Submitter

Katie Carroll

Pages 58
Publisher Norwegian University of Science and Technology
Department Department of Biology
Degree Master of Science
URL http://hdl.handle.net/11250/2351537
Language English
University Norwegian University of Science and Technology
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Tags
  1. Animal roles
  2. Animals in culture
  3. Animal welfare
  4. Conservation
  5. Elephants
  6. human-animal conflict
  7. human-wildlife interactions
  8. Mammals
  9. Namibia
  10. Nature
  11. Protection
  12. Wild animals
  13. wildlife
  14. wildlife conservation