Estimating Elephant Population Size Using Local Knowledge
Author Information
Author(s): Wenborn Michael, Svensson Magdalena S., Nijman Vincent
Primary Institution: Oxford Brookes University
Hypothesis
Can local ecological knowledge provide a reliable estimate of the elephant population in the Northern Highlands of Namibia?
Conclusion
The study estimated that there are between 78 and 212 elephants in the Northern Highlands, with a best estimate of 128, using local ecological knowledge.
Supporting Evidence
- Game guards identified a total of 113 known female-led groups and 45 individual males or informal groups of males.
- The best estimate of the elephant population was derived from the knowledge of game guards.
- The method provides a cost-effective alternative to expensive aerial surveys.
- Game guards have extensive experience and knowledge of local wildlife.
- The study highlights the importance of local ecological knowledge in wildlife conservation.
- Uncertainties in the estimates were acknowledged due to the nature of the data collection.
- The method could be improved with more structured approaches and training for game guards.
- Long-term monitoring is essential for effective conservation strategies.
Takeaway
The study asked local game guards about elephants they know to figure out how many elephants live in a remote area of Namibia.
Methodology
Semi-structured interviews with 34 community game guards over three months to gather local ecological knowledge about elephant populations.
Potential Biases
Potential bias due to reliance on the perceptions and experiences of a limited number of game guards.
Limitations
The method relies on the subjective knowledge of game guards, which may lead to uncertainties and double counting of elephant groups.
Participant Demographics
Game guards with 1 to 30 years of experience, average 10.3 years.
Statistical Information
Confidence Interval
95% confidence limit of 221 to 529 elephants based on previous aerial surveys.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website