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Chapter 29

生物多样性与保护

什么是天气?
什么是天气?
Overview Weather refers to the current state of atmospheric conditions at a specific time and place. Weather is temporary and is influenced by the ...
什么是天气?
什么是天气?
Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. ...
全球气候变化
全球气候变化
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global ...
什么是生物多样性?
什么是生物多样性?
Biodiversity describes the variety of living things at multiple organizational levels: genetic, species and ecosystem diversity. Species diversity ...
对生物多样性的威胁
对生物多样性的威胁
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species ...
生物多样性和人类价值观
生物多样性和人类价值观
Human civilization relies on biodiversity in many ways. Sudden changes in species biodiversity result in environmental changes that can modify weather ...
什么是保护生物学?
什么是保护生物学?
Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the ...
可持续发展
可持续发展
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a ...
保护小人口
保护小人口
Small population sizes put a species at extreme risk of extinction due to a lack of variation, and a consequent decrease in adaptability. This weakens ...
对种群不断减少的保护
对种群不断减少的保护
Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent ...
生境破碎化
生境破碎化
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land ...
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