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05/08/22 05/08/22 1 Biological Biological Diversity Diversity Professor X Professor X

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Page 1: Triage biodiversity

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Biological DiversityBiological Diversity

Professor XProfessor X

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What is Biodiversity?What is Biodiversity?

The variation of life forms within a given The variation of life forms within a given ecosystem (Ex: Earth) ecosystem (Ex: Earth)

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What does it mean?What does it mean?

Our biodiversity today consists of millions Our biodiversity today consists of millions of distinct biological species, which is the of distinct biological species, which is the product of nearly 3.5 billion years of product of nearly 3.5 billion years of evolution.evolution.

In Short: In Short: Biodiversity is diversity Biodiversity is diversity among biological speciesamong biological species

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Diversity: Three different groupsDiversity: Three different groupsGenetic Diversity

Diversity of genes within a speciesSpecies DiversitySpecies Diversity

Diversity among species in an Diversity among species in an ecosystemecosystem

Ecosystem Diversity

Diversity of a habitat in a given unit area

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Alpha Diversity

Beta Diversity

Gamma Diversity

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Environmentalist, Jared Diamond, says Environmentalist, Jared Diamond, says H.I.P.P.O.H.I.P.P.O. is to blame: is to blame:

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IInvasive Species nvasive Species

PPollutionollutionHuman OverHuman OverPPopulationopulation

OOverkillverkill

HHabitat destruction abitat destruction

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What Does it Mean for Us?What Does it Mean for Us?

Conservation of Earth’sConservation of Earth’s

biodiversity is vital becausebiodiversity is vital because

we get so much from thewe get so much from the

Earth. Earth.

Aesthetic values Aesthetic values of a of a pretty flower or a pretty flower or a beautiful animalbeautiful animal.

Natural resources (oil, rubber, water, oxygen, and more)

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“ “ Biodiversity boosts ecosystem productivity Biodiversity boosts ecosystem productivity where… all [species] have an important role… where… all [species] have an important role… This is… This is… useful for mankind useful for mankind as a larger number of species of as a larger number of species of plants means more variety of crops and a larger number plants means more variety of crops and a larger number of species of animals ensure that of species of animals ensure that thethe ecosystem is ecosystem is naturally sustainednaturally sustained..””

~ Globalissues.org ~ Globalissues.org