基于供需的新疆生态系统服务与人类活动强度之间的空间和时间相关性
Da-Qiang Li1, Fei-Yun Zhang1, Qian Li2,3,4
1School of Public Administration, Xinjiang Agricultural University, Urumqi 830052, China.
Ying yong sheng tai xue bao = The journal of applied ecology
|August 31, 2025
概括
从2000年到2020年,生态系统服务的供应普遍超过了干旱的新疆的需求. 人类活动的强度对各类服务的供需比例产生了不同的影响,有些服务呈现出正面的,有些则呈现出负面的相关性.
科学领域:
- 生态与环境科学
- 可持续的发展
- 干旱地区研究
背景情况:
- 干旱地区在平衡生态系统服务与人类需求方面面临着独特的挑战.
- 新疆是一个关键的干旱地区,需要对生态系统服务动态进行分析,以实现可持续发展.
- 了解生态系统服务供应,需求和人类活动之间的相互作用至关重要.
研究的目的:
- 从2000年到2020年,分析新疆六个关键生态系统服务 (粮食生产,息地质量,碳储存,土壤保护,水产,绿地休) 的空间和时间变化.
- 研究生态系统服务供需比率与人类活动强度之间的关系.
- 为干旱地区的区域可持续发展战略提供洞察力.
主要方法:
- 采用双变空间自关联方法来分析空间和时间变化.
- 在20年内对6种生态系统服务的供需评估.
- 生态系统服务供需比率与人类活动强度指数 (HAI) 的相关性分析.
主要成果:
- 在新疆,生态系统服务供应总是超过需求 (供需比>1).
- 水产,碳储存和土壤保护供应的显著增加,同时需求也增加.
- 粮食生产和水产的供需比率上升, 而碳储存和土壤保护则下降. 息地质量和绿地休没有显著变化. 一般来说,HAI 很低 (<0.25),并且在空间上有很大的差异,与生态系统服务的供需比率有着明显的关系.
结论:
- 新疆的生态系统服务与需求相比普遍丰富, 但存在时间和空间动态.
- 人类活动的强度对不同生态系统服务的供需比有很大影响,正负相关性各不相同.
- 在干旱地区的可持续发展中,有针对性的管理策略需要考虑当地高质量设施和特定的生态系统服务特点.
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