在中国西部进行生态区建设和多场景模拟,结合景观生态风险和生态系统服务价值
Zihao Wang1, Bing Wang2, Yufei Zhang1
1Forestry College, Inner Mongolia Agricultural University, Hohhot, 010019, China.
Scientific reports
|April 2, 2025
概括
这项研究分析了中国霍霍特的生态系统服务价值和景观生态风险. 研究结果表明,生态区划和有针对性的城市规划可以改善生态安全,协调中国西部的发展.
科学领域:
- 生态经济学生态经济学
- 景观生态学 景观生态学
- 城市规划是城市规划.
背景情况:
- 在中国东部和西部之间存在显著的发展差异.
- 生态区划对于中国西部城市的协调城市化和规划至关重要.
- 霍霍特是一个代表性的西部城市,面临着独特的生态挑战.
研究的目的:
- 分析2000年至2020年霍霍特的生态系统服务价值 (ESV) 和景观生态风险 (LER) 的时空演变.
- 用PLUS模型预测各种发展场景下的未来生态区分模式.
- 为生态区提出基于综合ESV和LER的差异化管理策略.
主要方法:
- 价值等价和景观生态学方法用于评估ESV和LER.
- 采用Z-score方法来划定生态区的界限.
- PLUS模型被用于基于场景的生态分区空间预测.
主要成果:
- 从2000年到2020年,霍霍特的生态风险水平主要是非常低,低和中等,ESV变化最小.
- 未来的情景显示了LER和ESV的不同趋势;城市发展增加了风险,而保护场景增强了ESV.
- 确定了四个不同的生态区 (恢复,丰富,平衡,挑战),需要定制管理.
结论:
- 整合LER和ESV为生态区划和安全评估提供了一种新的方法.
- 动态生态区划,得到场景预测的支持,为生态管理提供了科学基础.
- 差异化的管理策略对于Hohhot的可持续发展和生态安全至关重要.
相关概念视频
Ecological Disturbance
21.5K
An ecological disturbance is a temporary disruption in the environment resulting from abiotic, biotic, or anthropogenic factors, causing a pronounced change in an ecosystem. The impact of an ecological disturbance, which can depend on its intensity, frequency, and spatial distribution, plays a significant role in shaping the species diversity within the ecosystem.
21.5K
Hybrid Zones
22.6K
Hybrid zones are narrow regions where two closely related species interact, mate, and produce hybrids. Relative to either parent species, hybrids may possess distinct phenotypic or genetic differences that impact their survival and reproductive success. The genetic variances introduced by hybridization influence species diversity and speciation processes within the hybrid zone.
22.6K
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
384
Flood risk assessment involves careful planning and analysis to ensure the safety of communities near water retention structures. Capacity contours are a vital tool in this process, as they illustrate the potential spread of water at specific levels in a given area. In the context of building a bund across a small valley, these contours play a critical role in evaluating the safety of nearby residential areas.In this example, the bund is intended to store stormwater in the valley. The engineers...
384
Manipulation and Analysis
333
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
333
Applications of GIS: Disaster Management and Emergency Response
715
Geographic Information System (GIS) technology is essential for risk identification, action prioritization, and resource optimization in critical situations like flooding and earthquakes. By integrating spatial and demographic data, GIS provides a comprehensive framework for emergency response.GIS integrates data layers, like rainfall intensity, topography, elevation profiles, and river levels, to model high-risk flood zones. These layers assess areas susceptible to flooding based on their...
715


