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Data from: Maps and additional figures for climate change refugia hotspots for priority species: A case study in East Africa

Cavalieri, Cybil1; Mtui, Devolent2; Lobora, Alex2; Morelli, Toni Lyn1

Published Dec 11, 2025 on Dryad. https://doi.org/10.5061/dryad.w3r228151

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Abstract

Natural resource managers and policymakers need actionable climate data to guide conservation decisions. Conserving climate change refugia, areas relatively buffered from contemporary climate change, is increasingly considered an effective strategy for adaptation. Despite tropical species facing heightened vulnerability to climate change, the tropics remain underserved in climate adaptation research. We coproduced the first comprehensive assessment of climate change refugia across Tanzania with Tanzanian partners through extensive consultation, in-person conversations, and field visits to priority ecosystems, ensuring our analysis addressed local conservation needs and decision-making contexts. We developed species distribution models for 33 terrestrial animal species using maximum entropy and boosted regression tree algorithms. We projected future suitable habitats for SSP126 and SSP585, for 2011-2040 and 2071-2100, using GFDL Earth System and the U.K. Earth System models. More than half under SSP126 and 79% of the focal species under SSP585 lost their suitable habitat by 2100. Serengeti National Park, Northern Highlands Forest Reserve, and the Eastern Arc Mountains emerged as key climate change refugia, while other protected areas, including Kigosi and Ugalla River National Parks, had no climate change refugia. This assessment provides actionable insights for Tanzania’s conservation prioritization while identifying critical research gaps in western and montane ecosystems.