相关实验视频
Updated: Feb 20, 2026

12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
8.7K
使用RAD框架管理生态系统转型,将生态,社会和经济背景纳入其中
Sebastian Theis1,2, Lyndsay Cartwright3, Marie-Josée Fortin4
1Department of Biology, Environmental Sciences, McGill University, Montreal, QC, Canada. sebastian.theis@mcgill.ca.
Environmental management
|February 18, 2026
概括
抵抗-接受-直接 (RAD) 框架是管理生态系统变化的新方法,但其使用是有限的. 大多数申请集中在生态方面,忽视社会和经济因素,表明早期实施.
科学领域:
- 生态生态学 生态生态学
- 环境管理环境管理
- 保护科学 保护科学
背景情况:
- 抵抗-接受-直接 (RAD) 框架为生态系统管理提供了一个结构化的方法.
- 目前RAD框架的应用是有限的,并且在生态,社会和经济层面上不一致地应用.
研究的目的:
- 在已发表的案例研究中,系统地审查和评估RAD框架的实施.
- 为了确定共同的压力因素,方法和RAD解决的维度.
主要方法:
- 使用基于PI(E) CO的搜索策略进行了系统的文献审查.
- 纳入标准适用于473个确定的文件,其中19个案例研究符合要求.
主要成果:
- 审查确定了19个案例研究,表明了RAD框架应用的初始阶段.
- 大多数案例研究优先考虑生态"抵抗"策略,社会和经济因素的整合有限.
- 气候变化和生物多样性丧失是研究的主要压力因素.
结论:
- RAD框架的应用处于早期阶段,主要关注生态抵抗.
- 需要在RAD战略中更全面地整合社会和经济层面.
- 开发了一份RAD战略建议清单,以帮助从业者评估权衡和约束.
相关概念视频
Ecological Disturbance
21.2K
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.
21.2K
Radical Reactivity: Overview
2.8K
Radicals, the highly reactive species, gain stability by undergoing three different reactions. The first reaction involves a radical-radical coupling, in which a radical combines with another radical, forming a spin‐paired molecule. The second reaction is between a radical and a spin‐paired molecule, generating a new radical and a new spin‐paired molecule. The third reaction is radical decomposition in a unimolecular reaction, forming a new radical and a spin‐paired...
2.8K
Radical Formation: Overview
2.7K
A bond can be broken either by heterolytic bond cleavage to form ions or homolytic bond cleavage to yield radicals. A fishhook arrow is used to represent the motion of a single electron in homolytic bond cleavage. There are two main sources from which radicals can be formed:
Radicals from spin-paired molecules:
Radicals can be obtained from spin-paired molecules either by homolysis or electron transfer. While two radicals are formed in the former, an electron is added in the...
Radicals from spin-paired molecules:
Radicals can be obtained from spin-paired molecules either by homolysis or electron transfer. While two radicals are formed in the former, an electron is added in the...
2.7K
Ecological Succession
21.7K
Ecological succession is influenced by the processes of facilitation, inhibition, and toleration. Facilitation occurs when early successional species create more favorable ecological conditions for subsequent species, such as enhanced nutrient, water, or light availability. In contrast, inhibition happens when early successional species create unfavorable ecological conditions for potential successive species, such as limiting resource availability. In some cases, later successional species...
21.7K
What is an Ecosystem?
47.5K
Overview
47.5K
Radial System Protection
450
Radial systems employ time-delay overcurrent relays to reduce load interruptions. When a fault occurs, the nearest breaker opens first, while upstream breakers remain closed due to longer delay settings. This approach ensures minimal disruption to the rest of the system.
In a radial system with a fault downstream of the third breaker, ideally, only the third breaker will open, isolating the fault and interrupting the load connected beyond it. The second breaker has a longer delay setting,...
In a radial system with a fault downstream of the third breaker, ideally, only the third breaker will open, isolating the fault and interrupting the load connected beyond it. The second breaker has a longer delay setting,...
450

