気候変動と全球農業への影響（別版）
令和8年1月8日|p.11
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The Impact of Climate Change on Global Agriculture
Climate change poses significant challenges to global agriculture, affecting crop yields, food security, and livelihoods worldwide. Rising temperatures, altered precipitation patterns, and increased frequency of extreme weather events are among the key drivers impacting agricultural systems.
Key Impacts
• Reduced Crop Yields: Higher temperatures can lead to heat stress in crops, reducing photosynthesis efficiency and ultimately lowering yield.
• Water Scarcity: Changes in rainfall patterns and increasing evaporation rates exacerbate water scarcity issues for irrigation.
• Pest and Disease Dynamics: Warmer climates may expand the range and activity periods of pests and diseases, threatening plant health.
• Soil Degradation: Increased erosion due to heavy rains and prolonged droughts contributes to soil degradation, compromising fertility.
Adaptation Strategies
To mitigate these impacts, farmers and policymakers must adopt adaptive strategies such as:
- Developing heat-resistant crop varieties through breeding programs.
- Implementing efficient irrigation techniques like drip irrigation.
- Promoting agroforestry practices to enhance biodiversity and resilience.