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Appears in Collections:Biological and Environmental Sciences Letters (Published in a Journal)
Peer Review Status: Refereed
Title: Risk and reward of the global truffle sector under predicted climate change
Author(s): Cejka, Tomas
Isaac, Elizabeth L
Oliach, Daniel
Martinez-Pena, Fernando
Egli, Simon
Thomas, Paul
Trnka, Miroslav
Buntgen, Ulf
Issue Date: 2022
Date Deposited: 11-Feb-2022
Citation: Cejka T, Isaac EL, Oliach D, Martinez-Pena F, Egli S, Thomas P, Trnka M & Buntgen U (2022) Risk and reward of the global truffle sector under predicted climate change. Environmental Research Letters, 17, Art. No.: 024001.
Abstract: Climate change has been described as the main threat for the cultivation and growth of truffles, but hydroclimate variability and model uncertainty challenge regional projections and adaptation strategies of the emerging sector. Here, we conduct a literature review to define the main Périgord truffle growing regions around the world and use 20 global climate models to assess the impact of future trends and extremes in temperature, precipitation and soil moisture on truffle production rates and price levels in all cultivation regions in the Americas, Europe, South Africa, and Australasia. Climate model simulations project 2.3 million km2 of suitable land for truffle growth will experience 50% faster aridification than the rests of the global land surface, with significantly more heat waves between 2070 and 2099 CE. Overall, truffle production rates will decrease by ∼15%, while associated price levels will increase by ∼36%. At the same time, a predicted increase in summer precipitation and less intense warming over Australasia will likely alleviate water scarcity and support higher yields of more affordable truffles. Our findings are relevant for truffle farmers and businesses to adapt their irrigation systems and management strategies to future climate change.
DOI Link: 10.1088/1748-9326/ac47c4
Rights: Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 license ( Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
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