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What is Conservation Biology?01:57

What is Conservation Biology?

Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the human population. Humans require properly functioning ecosystems to maintain our supply of natural resources, including food, medicines, and building materials.
Social Traps01:41

Social Traps

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 more cows, the larger...
Ecological Disturbance02:26

Ecological Disturbance

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.Ecological disturbances can be caused by an event as small as the trampling of underbrush to an incident as wide-ranging as a forest...
Conservation of Declining Populations02:07

Conservation of Declining Populations

Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent populations from going extinct.
Habitat Fragmentation02:31

Habitat Fragmentation

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.
Applications of GIS: Disaster Management and Emergency Response01:29

Applications of GIS: Disaster Management and Emergency Response

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...

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相关实验视频

Updated: Jul 10, 2026

Watershed Planning within a Quantitative Scenario Analysis Framework
12:44

Watershed Planning within a Quantitative Scenario Analysis Framework

Published on: July 24, 2016

公共资源的悲剧.

    Science (New York, N.Y.)
    |December 13, 1968
    PubMed
    概括

    全球人口危机缺乏简单的技术解决方案. 解决人口增长问题需要人类道德和道德价值观的深刻转变.

    科学领域:

    • 社会学 社会学 社会学
    • 伦理学 伦理学 伦理学
    • 人口统计学 人口统计学

    背景情况:

    • 全球人口不断增加带来了复杂的挑战.
    • 现有的技术和政策解决方案已被证明是不够的.

    研究的目的:

    • 分析人口问题的根本性质.
    • 提出解决人口动态问题的新框架.

    主要方法:

    • 对道德框架的哲学研究.
    • 分析历史人口趋势及其社会影响.

    主要成果:

    • 人口问题与道德考虑密切交织在一起.
    • 仅靠技术解决方案,就无法解决人口增长的复杂问题.

    结论:

    • 需要在集体道德上显著的进化.
    • 未来的方法必须整合可持续人口管理的伦理考虑.

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    Last Updated: Jul 10, 2026

    Watershed Planning within a Quantitative Scenario Analysis Framework
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    Watershed Planning within a Quantitative Scenario Analysis Framework

    Published on: July 24, 2016

    Image Rendering Techniques in Postmortem Computed Tomography: Evaluation of Biological Health and Profile in Stranded Cetaceans
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