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Fav十万个为什么
为什么蜜蜂减少会影响粮食安全？
蜜蜂减少会影响粮食安全，主要是因为蜜蜂是重要的农作物授粉者、影响多种作物产量以及威胁生态系统平衡。
1、蜜蜂是重要的农作物授粉者。约75%的农作物依赖蜜蜂授粉，其授粉行为能够显著提高作物产量和果实质量，例如苹果、咖啡、西红柿等作物高度依赖蜜蜂授粉。
2、影响多种作物产量。蜜蜂减少会导致35%的世界作物产量受影响，可能导致多种水果和蔬菜减产，甚至被主食作物（如大米、玉米）取代，从而引发饮食结构失衡。
3、威胁生态系统平衡。蜜蜂减少会破坏生态平衡，削弱生物多样性，进而影响农业的可持续发展，最终威胁粮食安全和人类健康。
总结：蜜蜂减少会影响粮食安全，是因为蜜蜂是重要的农作物授粉者、影响多种作物产量以及威胁生态系统平衡。
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