History > Report > Passaic County Technical Institute - HISTORY 0060Copy of Simpsons Diversity Index Activity Modified (All)

Passaic County Technical Institute - HISTORY 0060Copy of Simpsons Diversity Index Activity Modified for Virtual Learning.

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Name: ___Anthony Vargas and Ada Lin_________________ INTRODUCTION Did you ever wonder why some environments had dozens of different organisms that lived there, while others seemed to be inhabited b ... y only a few kinds of organisms? The biodiversity of an ecosystem acts as an indicator of overall ecosystem health, and can tell you a lot about that ecosystem. There are several different methods that can be employed to measure ecosystem biodiversity. One such measure is the Simpson’s Diversity Index. Biodiversity will increase naturally as succession occurs in an ecosystem--as an ecosystem ages and reaches its climax community, the number of species occupying various niches increases which can act as an indicator of ecosystem stability. There are two factors that comprise biodiversity: species richness and species evenness. Species richness refers to the number of varied species that occupy an ecosystem, while species evenness refers to the number of each species that occupies an ecosystem. The diagram below provides a visual explanation for these concepts: [Show More]

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