Question

two different ecosystems are sampled, and the number of species and the abundance of each are counted. simpson's biodiversity index is used to analyze the data from each. ecosystem a has a diversity index of .25, and ecosystem b has a diversity index of .85. which has greater biodiversity? simpson's biodiversity index d

Answer 1

Ecosystem A, with a Simpson's Biodiversity Index value of .25, which translates to a biodiversity score of 0.75 (1 - 0.25), has greater biodiversity compared to Ecosystem B, which has a value of .85 and a correspondingly lower biodiversity score of 0.15 (1 - 0.85).

Step-by-step explanation:

Using Simpson's Biodiversity Index, we can determine which ecosystem has greater biodiversity based on the given values. Simpson's Biodiversity Index measures the diversity in a community, considering both species richness and their relative abundance. The index is expressed as D, ranging from 0 to 1, and to compare diversity, we use 1 - D. A higher value of 1 - D indicates greater biodiversity.

Ecosystem A has a diversity index of 0.25, and Ecosystem B has a diversity index of 0.85. We therefore calculate the biodiversity of each ecosystem: for Ecosystem A, 1 - 0.25 = 0.75, and for Ecosystem B, 1 - 0.85 = 0.15. The higher the result, the greater the biodiversity, which means that Ecosystem A has greater biodiversity than Ecosystem B.