相关实验视频
Updated: Jan 15, 2026

12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
8.4K
[基于多场景生态系统服务权衡的贵州省生态安全模式的构建]
1School of Geography and Tourism, Chongqing Normal University, Chongqing 401331, China.
Huan jing ke xue= Huanjing kexue
|January 14, 2026
概括
本研究构建了贵州省的生态安全模式,确定了关键的保护区域和生态走廊. 最佳情景平衡生态系统服务,提高保护效率,指导区域生态发展.
科学领域:
- 生态安全模式 生态安全模式
- 评估生态系统服务的评估
- 空间规划 空间规划 空间规划
背景情况:
- 在生态保护与社会经济发展之间取得平衡至关重要.
- 贵州省面临着将环境保护与发展相结合的挑战.
- 了解生态系统服务是可持续土地管理的关键.
研究的目的:
- 为贵州省构建一个生态安全模式.
- 确定优先的生态源区和生态走廊.
- 提出一个区域生态发展战略.
主要方法:
- 评估四个关键生态系统服务:水产,土壤保护,息地质量和碳封存.
- 顺序加权平均模型,以确定最佳情景和生态源区.
- 循环理论提取生态走廊并构建生态安全模式.
主要成果:
- 情景3 (风险系数α=0.5) 被确定为最佳,平衡生态系统服务并提高保护效率.
- 生态源区覆盖贵州16.85%,主要集中在省边界.
- 876个生态走廊总长37,637.16公里,形成了一个类似网状的网络,在东南部更密集.
- 空间区划确定了生态重要,控制和改进的区域,导致了"三个区域和两个带"的发展模式.
结论:
- 该研究为贵州的生态安全模式建设和分区提供了科学支持的框架.
- 拟议的"三个区域和两个带"模式为生态保护和发展提供了有针对性的战略.
- 优化生态安全模式对于可持续的区域发展至关重要.
相关概念视频
Design Example: Analyzing Capacity Contours for Flood Risk Assessment
283
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...
283
Ecological Niches
26.0K
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.
26.0K
Ecological Disturbance
20.7K
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.
20.7K
Social Traps
26.3K
Social traps are negative situations where people get caught in a direction or relationship that later proves to be unpleasant, with no easy way to back out of or avoid. The concept was orignally introduced by John Platt who applied psychology to Garrett Hardin's "Tragedy of the Commons", where in New England herd owners could let their cattle graze in the common ground. This situation seems like a good idea, but an individual could have an advantage. If they owned...
26.3K
Design Example: Sustainability in Concrete Building
386
As the construction industry moves towards more eco-friendly practices, concrete's adaptability and its ability to incorporate sustainable features make it a key material in the drive towards greener building solutions.
There are multiple approaches to achieve sustainability in a commercial concrete building. For instance, construct a concrete parking area under the building, utilizing pervious concrete paver blocks in open areas to facilitate rainwater collection through an underground...
There are multiple approaches to achieve sustainability in a commercial concrete building. For instance, construct a concrete parking area under the building, utilizing pervious concrete paver blocks in open areas to facilitate rainwater collection through an underground...
386
Manipulation and Analysis
284
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...
284

