中国新疆生态管理的区域化和优化战略基于供需关系和生态系统服务的空间流动
1Faculty of Public Administration (Faculty of Law), Xinjiang Agricultural University, Urumqi 830052, China.
Ying yong sheng tai xue bao = The journal of applied ecology
|September 8, 2023
概括
新疆的生态管理区划揭示了生态系统服务的显著空间差异,整体供应不足于需求. 本研究确定了有针对性的生态恢复和保护战略的关键区域.
科学领域:
- 生态经济学生态经济学
- 环境管理环境管理
- 空间分析是一种空间分析.
背景情况:
- 生态管理区划对于优化领土空间,区域生态安全和生态文明至关重要.
- 了解生态系统服务供应和需求对于有效的环境规划至关重要.
研究的目的:
- 量化评估新疆的生态系统服务供应和需求.
- 探索生态系统服务供应和需求之间的空间匹配关系.
- 将新疆划分为生态管理区,并提出控制措施.
主要方法:
- 开发了新疆10个生态系统服务的供应指数系统.
- 使用建模和生态经济学的量化生态系统服务供应.
- 根据土地使用,人口和经济状况评估生态系统服务需求.
- 在1公里网格上应用供需比率和象限匹配模型.
- 评估生态系统服务流使用断点和现场强度公式.
主要成果:
- 在新疆,生态系统服务供应和需求的空间差异显著.
- 高供应地区集中在河流系统沿线;需求集中在绿洲城市.
- 整体而言,生态系统服务供应低于需求.
- 空间分布以低供应-低需求和高供应-高需求地区为主.
- 确定了七个生态系统服务输出区,并将新疆分为五个生态管理区.
结论:
- 新疆面临生态系统服务的整体赤字,突出了有针对性的管理的需要.
- 已确定的生态管理区域 (山区屏障,绿洲恢复,沙漠改善,沙漠绿洲保护,补丁运输) 提供了保护的框架.
- 有效的生态管理区划对于新疆的可持续发展和生态安全至关重要.
相关概念视频
01:21Manipulation and Analysis
42
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...
42
02:02Ecological Niches
23.8K
All organisms have a position within an ecosystem. The complete set of living and nonliving factors—including food resources, climate, and terrain—that define the position of a given organism are collectively referred to as the organism’s ecological niche.
23.8K
00:54Distribution and Dispersion
21.8K
To understand intra-specific interactions in populations, scientists measure the spatial arrangement of species individuals. This geographic arrangement is known as the species distribution or dispersion. Highly territorial species exhibit a uniform distribution pattern, in which individuals are spaced at relatively equal distances from one another. Species that are highly tied to particular resources, such as food or shelter, tend to concentrate around those resources, and thus exhibit a...
21.8K
01:25Selected Data About Geographic Locations
43
Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...
43
01:17Design Example: Analyzing Capacity Contours for Flood Risk Assessment
66
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...
66
01:29Applications of GIS: Disaster Management and Emergency Response
105
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...
105