2024-03-27 17:54:18
Nearly 50% of wine regions could face a substantial risk of loss of profitability by 2050, under the current warming trajectory. ADOBE STOCK
DECRYPTION – Changes in grape varieties will be necessary in particular for certain traditional wine regions to maintain their capacity to produce quality wines.
Earlier and earlier harvests, increased episodes of spring frost and devastating storms, disappearance of certain vineyards in the hottest and driest regions: scientists have been warning for years about the predictable impact of global warming on viticulture. But these pessimistic forecasts are counterbalanced by perspectives of adaptation and developments which could encourage the emergence of new fields in unexploited regions. « The whole question is whether professionals faced with this development will be able to adjust to it, for example by focusing on more resistant grape varieties and on cultivation techniques allowing the ripening of the grapes to be delayed. »explains Cornelis van Leeuwen, researcher at Bordeaux Sciences Agro and INRAE, who publishes a global map of future upheavals in the journal Nature Reviews Earth & Environment you March 26.
Adaptation impossible
According to this synthesis of the literature, which…
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