気候変動が全球農業に与える影響 (5)
令和7年2月26日|p.28
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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, increased frequency of extreme weather events, and changing pest dynamics are among the key factors 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 Pressure: 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 can degrade soil quality over time.
Adaptation Strategies
To mitigate these impacts, farmers and policymakers must adopt innovative strategies such as developing climate-resilient crop varieties, improving water management practices, implementing sustainable farming techniques, and enhancing early warning systems for extreme weather events.