Tracing climate and land-use instability reveals new insights into the future of Earth’s remaining wilderness

Ernest Asamoah, Moreno Di Marco, James Watson, Linda Beaumont, Oscar Venter, Joseph Maina

Research output: Working paperPreprint

Abstract

Accelerated loss of Earth’s wilderness over the last five decades underscores the urgency for efforts to retain the conservation value of these areas. Assessing how wilderness areas are likely to be impacted by the future environmental change is fundamental to achieving global biodiversity conservation goals. Using scenarios of climate and land-use change during baseline (1970–2005) and future (2015–2050) epochs, we found that climate change within wilderness areas is predicted to increase by ~ 47%, compared to a 19% increase in land-use change. Half (52%) of all wilderness areas may undergo climate change by 2050, limiting their capacity to shelter biodiversity. More significant changes are especially predicted to occur in the unprotected wilderness that supports unique assemblages of species and are therefore more important for biodiversity persistence. Countries with smaller and disconnected wilderness areas are disproportionately at risk from the combined impacts of climate and land-use change. Mitigating greenhouse gas emissions and preserving remaining intact natural ecosystems can help fortify these frontiers of biodiversity.
Original languageEnglish
DOIs
Publication statusSubmitted - 17 Jun 2021

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NameResearch Square

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