“Smelly” Elephant Repellent: Assessing the Efficacy of a Novel Olfactory Approach to Mitigating Elephant Crop Raiding in Uganda and Kenya

Jul 26, 2022 | Studies

By Lydia N. Tiller, Ernest Oniba, Godfrey Opira, Ewan J. Brennan, Lucy E. King, Victor Ndombi, Derick Wanjala & Marion R. Robertson – Diversity

Abstract

Human–elephant conflict is increasing across many parts of Asia and Africa. Mitigating elephant crop raiding has become a major focus of conservation intervention, however, many existing methods for tackling this problem are expensive and difficult to execute. Thus, there is a need for more affordable, farm-based methods. Testing these methods is key to ensuring their effectiveness and feasibility. In this study, we tested a novel olfactory deterrent, the “smelly elephant repellent”, a foul-smelling organic liquid, on 40 farms in Uganda and Kenya. Our results show that the repellent was effective at deterring elephants from crop raiding. Over the study period, 82% of 309 elephant crop raids were deterred in Uganda. In Kenya, the repellent deterred 63% of 24 crop raiding incidents, and there was a significant effect of the repellent on test sites compared with control sites. The smelly repellent could be a helpful crop raiding mitigation tool for farmers, as this study showed it to be effective, relatively cheap, quick to produce from locally available ingredients, and communities have a positive attitude towards using it. Ongoing work is exploring the potential for a market-based approach to take this to scale in a financially sustainable way.

FULL PAPER PDF LINK
https://drive.google.com/file/d/12l0l_L5NJihHsympr45ne8MnukP-_uaN/view?usp=sharing

FULL PAPER WEB LINK
https://www.mdpi.com/1424-2818/14/7/509/htm

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