中国城市保护区的识别,空间分布和相关因素
Zuo Zitong1, Wang Shuyi1, Zhong Le1
1Department of Landscape Architecture, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan, China.
概括
城市扩张正在越来越多地影响保护区 (PA). 一个新的可访问性模型揭示了18.35%的中国.
科学领域:
- 保护科学 保护科学
- 城市生态城市生态学
- 空间分析 空间分析
背景情况:
- 保护区 (PA) 越来越多地位于城市中心附近,创造了城市保护区 (UPA).
- 传统的欧几里德距离指标无法准确地表示从城市附近对PA的空间关系和潜在的人类影响.
- 了解这些人与野生动物的接口对于有效的保护战略至关重要.
研究的目的:
- 开发和应用一个同时圆形模型,用于准确地测量PA和中国城市之间的人类可访问距离.
- 确定城市人类活动影响保护区 (UHAIPA) 并分析它们的空间分布模式.
- 调查UHAIPA与中国社会经济和城市发展指标之间的关系.
主要方法:
- 利用基于人类可访问性的同时圆形模型,测量了2706个国家公共交通局和中国2844个城市之间的距离.
- 根据其与城市中心的近距离和可访问性来分类PA.
- 量化分析了UPA和UHAIPA的空间分布和聚合特征.
主要成果:
- 大多数中国的公用事业区都位于城市附近,其中18.35%被认定为UPA.
- 很大一部分PAs在90分钟之内可以到达城市 (58.27%在0-30分钟内,16.72%在30-60分钟内,3.31%在60-90分钟内).
- UPA和UHAIPA表现出强烈的空间聚合,特别是湿地公园和风景区,分布与城市经济,自然和政策因素有关.
结论:
- 与欧几里德距离相比,基于可访问性的测量提供了对PAs城市影响的更现实的评估.
- 需要将保护和管理工作集中在UPA上,特别是那些与城市边界重叠并受到农业和渔业等部门的影响的UPA.
- 加强PA保护需要考虑城市发展和受保护的自然资源之间的动态相互作用.
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