Ecological success of community-based wildlife conservation in Tanzania

February 27, 2018, Wild Nature Institute
Giraffe and Oryx in Randilen Wildlife Management Area, Tanzania, East Africa. Giraffes were among the wildlife species that benefitted from the community-based wildlife conservation area. Credit: Wild Nature Institute

Good news about the environment is rare these days, but in Tanzania there are signs that local wildlife conservation efforts can effectively protect the natural resources that provide the lion's share of revenue for the economy. Eco-tourism is Tanzania's largest economic sector and biggest dollar earner for this developing nation, but wildlife populations have suffered in recent decades from poaching and clashes with people involved in other economic activities such as farming and mining. The good news comes from a new study that found community-based wildlife conservation can quickly result in clear ecological success, with the largest and smallest species being among the winners.

In a paper published this week in the Journal of Mammalogy, scientists from the Wild Nature Institute documented significantly higher densities of giraffes and dik-diks, and lower densities of cattle in a community Wildlife Management Area (WMA) relative to an unprotected control site. The positive ecological effects were clearly the result of the WMA because the study found similar and livestock densities in the WMA and control sites before WMA establishment, when both were managed by the same authority. Dr. Derek Lee, lead author of the study and Principal Scientist at Wild Nature Institute said, "There have been social and economic critiques of WMAs, but the ecological value or success of WMAs for had never been quantified. Our data demonstrated that WMA establishment and management had positive ecological outcomes in the form of higher wildlife densities and lower livestock densities. This met our definition of ecological success, and hopefully these results will encourage more community-based conservation efforts."

Community-based natural resource management, established on the transference of resource management and user rights from central government agencies to local communities, is promoted as a conservation tool and has become the dominant paradigm of natural resource conservation worldwide. Unfortunately, the ecological success or failure of these projects is rarely rigorously assessed. In Tanzania, efforts to decentralize wildlife management to local communities occur through the creation of WMAs, whereby several villages set aside land for wildlife conservation in return for the majority of tourism revenues from these areas. Nineteen WMAs are currently operating, encompassing 7% (6.2 million ha) of Tanzania's land area, with 19 more WMAs planned. This study took place in Randilen WMA in the Tarangire Ecosystem.

Dik-diks in Randilen WIldlife Management Area, Tanzania, East Africa. Dik-diks were among the wildlife species that benefitted from the community-based wildlife conservation area. Credit: Wild Nature Institute

Explore further: Reduce elephant poaching through communal land ownership

More information: Lee DE, Bond ML. 2018. Quantifying the ecological success of a community-based wildlife conservation area in Tanzania. Journal of Mammalogy. DOI: 10.1093/jmammal/gyy014

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