Assessing Climate Risk in Viticulture: A Localized Index for the Semi-Arid and Mediterranean Regions of Chile

Katherine Cuevas-Zárate, Donna Cortez, Jorge Soto and Manuel Paneque ()
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Katherine Cuevas-Zárate: Faculty of Agricultural Sciences, University of Chile, Santa Rosa 11315, La Pintana, Santiago 8820808, Chile
Donna Cortez: Fundación Bionostra Chile Research, Almirante Lynch 1179, San Miguel, Santiago 8920033, Chile
Jorge Soto: Fundación Bionostra Chile Research, Almirante Lynch 1179, San Miguel, Santiago 8920033, Chile
Manuel Paneque: Faculty of Agricultural Sciences, University of Chile, Santa Rosa 11315, La Pintana, Santiago 8820808, Chile

Agriculture, 2025, vol. 15, issue 12, 1-21

Abstract: Viticulture contributes significantly to Chile’s exports and GDP. However, the development and productivity of grapevines is threatened by climate change. Grapevines are grown in diverse regions; thus, adaptable tools for evaluating climate risk at the local level are required. In this study, a local climate risk index (LCRI) was developed to assess the vulnerability of Chilean viticulture (wine, table, and pisco grapes) in the current (2017–2024) and future (2046–2065) periods. Various components, including exposure, sensitivity, and adaptive and response capacities, were analyzed using different indicators based on municipal-level information. The results for the current period indicated that most municipalities were at medium risk, whereas future projections showed a marked increase in climate risk, principally due to changes in climate suitability. In the current period, the highest LCRI values were observed in semi-arid and mediterranean zones, particularly in the northern regions of Atacama and Coquimbo; in the future period, this situation intensified. In contrast, the lowest values in the current period occurred in the Maule region and further south, where the climate transitions from mediterranean to temperate conditions, and in the future period, valley and mountainous areas presented improvements in the index. Some municipalities showed improvement or stability with local adaptation efforts. The results highlight the urgent need for region-specific adaptation policies that prioritize water management, infrastructure, and increased capacities.

Keywords: vineyard; grapevine; climatic change; vulnerability; indicator; climatic suitability; adaptation (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2025
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