Cited by 111Wildlife Ecology and ConservationRangeland and Wildlife ManagementWildlife-Road Interactions and Conservation

The DOI matches its Crossref record; 32 of the 34 references it cites were found in a registry or an index.

Detusking Fence-Breaker Elephants as an Approach in Human-Elephant Conflict Mitigation

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Abstract

BACKGROUND: Human-elephant conflict (HEC) is a recurring problem that appears wherever the range of elephants and humans overlap. Different methods including the use of electric fences are used worldwide to mitigate this conflict. Nonetheless, elephants learn quickly that their tusks do not conduct electricity and use them to break down fences (fence-breakers). METHODOLOGY/PRINCIPAL FINDINGS: In Lewa Wildlife Conservancy, Kenya, destructive elephants (Loxodonta africana) were monitored between 2010 and 2013. The fence-breaking rate reached four incidents (fence-breaking) per elephant per 100 days. Ten bull males and 57 females were identified as fence-breakers. The bulls were involved in 85.07% and the females in 14.93% of incidents. The Kenya Wildlife Service approved detusking (partial cutting of tusks) in four of the 10 fence-breakers as a way of preventing them from breaking down fences, thereby mitigating HEC in the Conservancy. The result of the detusking was a drastic six-fold reduction in damage to fences (range: 1.67 to 14.5 times less fence-breaking) by the four worst fence-breaker elephants, because with trimmed tusks elephants lack the tools to break down fences. Detusking could not totally eliminate fence destruction because, despite lacking their tools, elephants can still destroy fences using their heads, bodies and trunks, albeit less effectively. On the other hand, apart from inherent aesthetic considerations, the detusking of elephants may have certain negative effects on factors such as elephants' social hierarchies, breeding, mate selection and their access to essential minerals and food. CONCLUSIONS: Elephant detusking seems to be effective in drastically reducing fence-breaking incidents, nonetheless its negative effects on behaviour, access to food and its aesthetical consequences still need to be further studied and investigated.

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Crossref · 10.1371/journal.pone.0091749

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Figures

Figure 1 (Top) Fence-breaking elephant in Lewa Wildlife Conservancy attempting to snap two strands of wires by pushing them upwards. (Bottom) The partner elephant is busy crawling below the live wire. The photos were manipulated to highlight the wires, which were not very clear in the originals.
Figure 1 (Top) Fence-breaking elephant in Lewa Wildlife Conservancy attempting to snap two strands of wires by pushing them upwards. (Bottom) The partner elephant is busy crawling below the live wire. The photos were manipulated to highlight the wires, which were not very clear in the originals.CC BY · PubMed Central
Figure 2 (Top) Elephant detusking using a power saw. (Bottom) Measuring the tusk to ensure that the nerve is not exposed after detusking (Lewa Wildlife Conservancy). The KWS vets and rangers in the photograph have given their written consent, as outlined in the PLOS consent form, for this photograph to be published.
Figure 2 (Top) Elephant detusking using a power saw. (Bottom) Measuring the tusk to ensure that the nerve is not exposed after detusking (Lewa Wildlife Conservancy). The KWS vets and rangers in the photograph have given their written consent, as outlined in the PLOS consent form, for this photograph to be published.CC BY · PubMed Central
Figure 3 The relative reduction (times) in the fence-breaking rate of the detusked elephants before and after detusking. Elephants presumably used their trunks or legs to fence-break after detusking, or even the remaining parts of their tusks.
Figure 3 The relative reduction (times) in the fence-breaking rate of the detusked elephants before and after detusking. Elephants presumably used their trunks or legs to fence-break after detusking, or even the remaining parts of their tusks.CC BY · PubMed Central
Figure 4 (Top) Right Notch (fence-breaker elephant) breaking an electric fence after detusking using his legs and trunk. (Bottom) Mountain Bull attempting to break an electric fence after detusking using the shortened tusks.
Figure 4 (Top) Right Notch (fence-breaker elephant) breaking an electric fence after detusking using his legs and trunk. (Bottom) Mountain Bull attempting to break an electric fence after detusking using the shortened tusks.CC BY · PubMed Central
Figure 5 Photo of Mshauri (fence-breaker elephant) after detusking walking in Lewa Wildlife Conservancy.
Figure 5 Photo of Mshauri (fence-breaker elephant) after detusking walking in Lewa Wildlife Conservancy.CC BY · PubMed Central

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Citations

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Research works printed but not linked: 3

  1. Ngene S (2010) Why elephants roam? PHD Thesis University of Twente. The Netherlands; accessed on 03/20/2013.
  2. J Beringer, 2002, Efficacy of translocation to control urban deer in Missouri: costs, efficiency, and outcome, Wildl Soc B, 30, 767
  3. Nelson A, Bidwell P, Sillero-Zubiri C (2003) A review of human-elephant conflict management strategies. People & Wildlife, A Wildlife Conservation Research Unit, Born Free Foundation Partnership.

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Metadata

Authors
Mutinda, M., Chenge, G., Gakuya, F., Otiende, M., Omondi, P., Kasiki, S., Soriguer, R. C., & Alasaad, S.
Affiliations
  • Kenya Wildlife Service (KE)
  • Consejo Superior de Investigaciones Científicas (ES)
Corresponding author
Alasaad, Samer
Venue
PLoS ONE
Published
2014-03-10
Volume
9
Issue
3
Pages
e91749
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2054351282
Cited by
111
References
34
Citations by year
2026: 4 · 2025: 4 · 2024: 6 · 2023: 11 · 2022: 8 · 2021: 10 · 2020: 13 · 2019: 9 · 2018: 12 · 2017: 16 · 2016: 13 · 2015: 3 · 2014: 2
FWCI
9.84
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DIGITAL.CSIC (Spanish National Research Council (CSIC)) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Greater South Information System
Topics
  • Physical Sciences › Environmental Science › Ecology › Wildlife Ecology and Conservation
  • Physical Sciences › Environmental Science › Ecology › Rangeland and Wildlife Management
  • Physical Sciences › Environmental Science › Ecology › Wildlife-Road Interactions and Conservation
Keywords
human-elephant conflict, elephant tusks, electric fences, Loxodonta africana, social hierarchy
MeSH terms
Animals, Animal Structures, Conflict, Psychological, Conservation of Natural Resources, Elephants, Female, Humans, Kenya, Male, Time Factors

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