The role of crop diversity in climate change adaptation: Insights from local observations to inform decision making in agriculture

Labeyrie Vanesse, Renard Delphine, Aumeeruddy-Thomas Yildiz, Benyei Petra, Caillon Sophie, Calvet-Mir Laura, Carrière Stéphanie M., Demongeot Marilou, Descamps Elsa, Braga Junqueira André, Li Xiaoyue, Locqueville Jonathan, Mattalia Giulia, Miñarro Sara, Morel Antoine, Porcuna-Ferrer Anna, Schlingmann Anna, Vieira da Cunha Avila Julia, Reyes-Garcia Victoria. 2021. The role of crop diversity in climate change adaptation: Insights from local observations to inform decision making in agriculture. Current Opinion in Environmental Sustainability, 51 : 15-23.

Quartile : Q1, Sujet : ENVIRONMENTAL SCIENCES / Quartile : Q2, Sujet : GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY (Science)

Résumé : Homogenization of crop portfolios from the field to the global scale is raising concerns about agricultural adaptation to climate change. Assessing whether such trends threaten farmers' long-term adaptive capacity requires a thorough understanding of changes in their crop portfolios, identification of the drivers of change, and the implications such changes have for local nutrition and food production. We reviewed the available literature on farmers' reports of climate-driven crop changes. Small-scale farmers tend to adopt water-demanding crops, even in areas where models predict that reduced rainfall will reduce yields. The adoption of horticultural cash-crops combined with the abandonment of subsistence cereals modifies farmers' nutritional inputs in terms of calories and nutrients, potentially undermining their food security. Farmers' knowledge contributes to understand trends in crop diversity and support the design of strategies for adaptation to climate change.

Mots-clés Agrovoc : adaptation aux changements climatiques, diversification, agriculture, prise de décision, système de culture, changement climatique

Classification Agris : P40 - Météorologie et climatologie
F08 - Systèmes et modes de culture

Champ stratégique Cirad : CTS 6 (2019-) - Changement climatique

Agences de financement européennes : European Research Council, European Commission

Programme de financement européen : FP7

Projets sur financement : (EU) Local Indicators of Climate Change Impacts. The Contribution of Local Knowledge to Climate Change Research

Auteurs et affiliations

• Labeyrie Vanesse, CIRAD-ES-UMR SENS (FRA) ORCID: 0000-0001-5282-8780 - auteur correspondant
• Renard Delphine, CNRS (FRA)
• Aumeeruddy-Thomas Yildiz, CNRS (FRA)
• Benyei Petra, UAB (ESP)
• Caillon Sophie, CNRS (FRA)
• Calvet-Mir Laura, UAB (ESP)
• Carrière Stéphanie M., IRD (FRA)
• Demongeot Marilou, CNRS (FRA)
• Descamps Elsa, IRD (FRA)
• Braga Junqueira André, UAB (ESP)
• Li Xiaoyue, UAB (ESP)
• Locqueville Jonathan, CNRS (FRA)
• Mattalia Giulia, UAB (ESP)
• Miñarro Sara, UAB (ESP)
• Morel Antoine, Université de Montpellier (FRA)
• Porcuna-Ferrer Anna, UAB (ESP)
• Schlingmann Anna, UAB (ESP)
• Vieira da Cunha Avila Julia, INPA (BRA)
• Reyes-Garcia Victoria, UAB (ESP)

Source : Cirad-Agritrop (https://agritrop.cirad.fr/598601/)

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