期刊
ENVIRONMENTAL RESEARCH LETTERS
卷 17, 期 2, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1748-9326/ac47c4
关键词
adaptation strategies; agricultural drought; climate models; irrigation systems; price estimates; production risk; truffle industry
资金
- ERC Advanced project Monostar [AdG 882727]
- [MUNI/A/1570/2020]
- [CZ.02.1.01/0.0/0.0/16_019/0000797]
Climate change poses a threat to truffle cultivation and its prices. The future trends in temperature, precipitation, and soil moisture will lead to a decrease in truffle production rates and an increase in prices. However, the predicted increase in summer precipitation in Australasia may alleviate water scarcity and support higher yields of more affordable truffles.
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 Perigord 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 km(2) 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 similar to 15%, while associated price levels will increase by similar to 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.
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