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Biodiversity is the extent of variation of life forms within a given species, ecosystem, biome, or an entire planet. Its depletion is termed as biodiversity depletion, i.e., depletion of endemic flora and fauna of a particular region.

Four anthropogenic factors responsible for biodiversity depletion are:

1. Habitat loss and its degradation

2. Introduction of non-native or alien species (to provide competition to the endemic species)

3. Over-harvesting and over-use

4. Global climatic changes (ocean warming, ozone depletion, acid-rains, tropical deforestation, etc)

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Bankim Malpani

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