相关实验视频
Updated: May 7, 2025

12:44
Watershed Planning within a Quantitative Scenario Analysis Framework
Published on: July 24, 2016
7.9K
全球优先级计划对保护区的位置的影响有所不同
Katie Tjaden-McClement1, Robin Naidoo1,2, Angela Brennan3,4
1Department of Forest Resources Management, University of British Columbia, Vancouver, British Columbia, Canada.
PloS one
|January 2, 2025
概括
"最后的野生"保护计划有效地增加了保护区的建立,而"生物多样性热点"没有. 将全球优先事项与当地保护行动联系起来,对于保护生物多样性至关重要.
科学领域:
- 保护科学 保护科学
- 保护生物多样性的保护.
- 保护区管理 保护区管理
背景情况:
- 全球生物多样性下降需要有效的保护战略.
- 许多全球保护优先级计划旨在指导保护区的建立.
- 这些计划对保护区覆盖面的实际影响尚未评估.
研究的目的:
- 评估两个主要的保护优先计划,即生物多样性热点和最后的野生动物对保护区建立的影响.
- 为了比较反应性与主动性保护优先级策略的有效性.
主要方法:
- 使用匹配方法进行因果分析.
- 采用前后控制影响 (BACI) 设计.
- 评估了生物多样性热点和最后的野生动物计划对保护率的影响.
主要成果:
- "最后的野生动物"计划对其指定优先区域的保护率产生了积极影响.
- 生物多样性热点计划没有对保护区的建立产生显著的积极影响.
- 生物多样性热点通常位于人类主导的景观中,与Last of the Wild相比,在实施方面面临着挑战,后者针对的人类压力和实施成本较低的地区.
结论:
- 野生动物最后的计划与实际保护实施因素 (例如,较低的人类压力) 的结合有助于其成功.
- 生物多样性热点可能不那么有效,因为它们位于人类影响较高和相关保护偏见的地区.
- 加强大规模保护优先级和当地实施战略之间的整合对于克服实际限制和实现全球生物多样性保护目标至关重要.
相关概念视频
Applications of GIS: Disaster Management and Emergency Response
21
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...
21
Habitat Fragmentation
17.3K
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land conversion, as well as slower geological processes leading to changes in the physical environment, are the two leading causes of habitat fragmentation. The fragmentation process typically follows the same steps: perforation, dissection, fragmentation, shrinkage, and attrition.
17.3K
Threats to Biodiversity
21.9K
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species that adapted to the new conditions. In the current geological epoch, the Holocene, there is a sixth extinction event in progress. This mass extinction has been attributed to human activities and is thus provisionally called the Anthropocene. In 2019 the human population reached 7.7 billion people and is projected to comprise 10 billion by...
21.9K
Ecological Niches
23.3K
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.
23.3K
Thematic Layering in GIS
21
In the past, planning projects such as schools or public facilities required extensive manual effort to gather and compile data. Information such as property boundaries, soil characteristics, road networks, zoning regulations, and flood zones had to be sourced individually from courthouses, utility providers, and registry offices. Assembling these datasets into a coherent format often took several months, delaying project timelines.The introduction of Geographic Information Systems (GIS)...
21
Manipulation and Analysis
13
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...
13

