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Chapter 29

Biodiversity and Conservation

ما هو الطقس؟
ما هو الطقس؟
Overview Weather refers to the current state of atmospheric conditions at a specific time and place. Weather is temporary and is influenced by the ...
ما هو المناخ؟
ما هو المناخ؟
Climate refers to the prevailing weather conditions in a specific area over an extended period. As the saying goes, “Climate is what you expect. ...
التغيّر المناخي العالمي
التغيّر المناخي العالمي
Throughout its ~4.5 billion year history, the Earth has experienced periods of warming and cooling. However, the current drastic increase in global ...
ما هو التنوع البيولوجي؟
ما هو التنوع البيولوجي؟
Biodiversity describes the variety of living things at multiple organizational levels: genetic, species and ecosystem diversity. Species diversity ...
التهديدات للتنوع البيولوجي
التهديدات للتنوع البيولوجي
There have been five major extinction events throughout geological history, resulting in the elimination of biodiversity, followed by a rebound of species ...
التنوع البيولوجي والقيم الإنسانية
التنوع البيولوجي والقيم الإنسانية
Human civilization relies on biodiversity in many ways. Sudden changes in species biodiversity result in environmental changes that can modify weather ...
ما هو بيولوجيا الحفظ؟
ما هو بيولوجيا الحفظ؟
Conservation biology is a scientific field that focuses on the preservation of biodiversity in order to protect ecosystems while meeting the needs of the ...
التنمية المستدامة
التنمية المستدامة
As the human population continues to grow and use resources, we must be mindful of our planet’s natural limits. Sustainable development provides a ...
الحفاظ على الأعداد السكنية الصغيرة
الحفاظ على الأعداد السكنية الصغيرة
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 ...
الحفاظ على الأعداد السكنية المتناقصة
الحفاظ على الأعداد السكنية المتناقصة
Conservation of declining population focuses on ways of detecting, diagnosing, and halting a population decline. The approach uses methods to prevent ...
تجزئة الموائل
تجزئة الموائل
Habitat fragmentation describes the division of a more extensive, continuous habitat into smaller, discontinuous areas. Human activities such as land ...
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