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第 29 章

生物多様性と保全

天気とは?
天気とは?
Overview Weather refers to the current state of atmospheric conditions at a specific time and place. Weather is temporary and is influenced by the ...
気候とは?
気候とは?
Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. ...
地球規模の気候変動
地球規模の気候変動
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global ...
生物多様性とは?
生物多様性とは?
Biodiversity describes the variety of living things at multiple organizational levels: genetic, species and ecosystem diversity. Species diversity ...
生物多様性への脅威
生物多様性への脅威
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species ...
生物多様性と人間の価値
生物多様性と人間の価値
Human civilization relies on biodiversity in many ways. Sudden changes in species biodiversity result in environmental changes that can modify weather ...
保全生物学とは?
保全生物学とは?
Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the ...
持続可能な発展
持続可能な発展
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a ...
小さな個体群の保全
小さな個体群の保全
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 ...
減少する個体群の保全
減少する個体群の保全
Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent ...
生息地の断片化
生息地の断片化
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land ...
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