重新构想战略:以可持续发展目标为驱动的解决方案,用于打击全球荒漠化
Xunming Wang1,2, Xin Geng1,2, Fubao Sun1,2
1Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China.
概括
中国目前的荒漠化控制方法有可能造成农业的重大损失. 转向牧场种植和作物交换提供了一个可持续的替代方案,提高收入,并为全球发展目标做出贡献.
科学领域:
- 环境科学环境科学
- 农业经济学 农业经济学
- 可持续的发展 可持续的发展
背景情况:
- 荒漠化影响全球24%的土地和35%的人口,威胁到可持续发展目标 (SDGs).
- 目前的抗荒漠化努力往往忽视了资源限制和当地生计,为长期可持续性创造了隐藏的挑战.
研究的目的:
- 评估中国现有的荒漠化逆转战略的社会经济权衡.
- 探索创新的农业实践对抗荒漠化和促进可持续发展的好处.
主要方法:
- 利用高分辨率的适合作物和耕放牧场的适合性模型.
- 根据预计的2023-2050年气候趋势 (变暖和加湿) 分析了社会经济影响.
- 对比了继续当前计划与实施创新农业战略的结果.
主要成果:
- 继续粮食换绿计划和放牧排斥可能会导致农业产量和收入大幅减少 (高达54-81%).
- 像牧场种植和作物交换这样的创新策略显示出降低成本,恢复生态系统和提高生产率的潜力.
- 这些转变可能有助于实现可持续发展目标1 (贫困),可持续发展目标2 (饥饿) 和可持续发展目标6 (水) 的全球进展.
结论:
- 对脆弱的干旱地区来说,重新想象沙漠化控制战略至关重要.
- 整合创新的农业实践可以提高可持续性,经济可行性和可持续发展目标的实现.
- 需要采取平衡的方法来解决生态恢复和社会经济福祉的问题.
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