Prioritizing the next decade of freshwater turtle and tortoise conservation in West Africa
2021
Luiselli, Luca | Diagne, Tomas | Mcgovern, Pearson
The chelonian fauna of West Africa is relatively understudied and experiencing a multitude of threats. Moreover, the IUCN Red List status of several African species is both outdated and, we believe, underestimated. Herein, we cover projections for freshwater turtle and tortoise status trends in West Africa over the next decade. This geographic prioritization was chosen based on our current understanding of the greatest urgency for turtle conservation in Africa. Broadly, we recommend that priority projects focus on the following threats: bushmeat consumption (Trionychidae and Kinixys spp.); habitat degradation and potential shifts in habitat use (primarily Kinixys spp. in the rainforest belt of West Africa); effects of livestock overgrazing and climate change (specifically in regards to desertification impacting the Sahel region) on behaviors and species sex ratios (Centrochelys sulcata, Kinixys belliana and K. nogueyi). Possible efforts to mitigate these threats include; (1) enhanced capacity building, outreach, and training to promote turtle conservation to wildlife professionals, fisheries stakeholders, local communities, etc; (2) alternative livelihoods and sources of protein (provide locals with goats, sustainable farming options, aquaculture practices); (3) community engagement and citizen science; (4) connecting fragmented habitats (e.g. corridors); (5) enhancing community protected areas with local enforcement (local employment and benefits, eco-tourism potential); (6) youth and consumer/collector targeted education programs; and (7) reinforcement of international policy (CITES) for species negatively affected by the pet trade (K. homeana and K. erosa). Based on witnessed range-wide declines and exploitation, on a species level we suggest priority attention be aimed at A) Cyclanorbis elegans (assessment of population strongholds, if any, threats, and mitigation options) and B) Kinixys homeana and K. erosa (use in the illegal bushmeat trade, long-term population trends). Field studies on several under-studied Pelusios species (e.g., P. cupulatta, P. adansonii) are also warranted, along with increased sampling of the severely declined and elusive Trionyx triunguis in West Africa. Finally, we believe turtle and tortoise conservation in Africa would greatly benefit from collaboration and integration of research efforts with programs and scientists in Eastern and Southern Africa, for instance via a novel IUCN/SSC TFTSG continental symposium focused on red list status assessments/reassessments.
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