1.7. In a community with 200 species, under which conditions would Simpson\'s di

Question

1.7. In a community with 200 species, under which conditions would Simpson's diversity index have the lowest value? 0 species have very large populations, and 190 species are present but with very small populations. 100 species have about equal population sizes, and 100 species are very rare All 200 species have roughly equal population sizes. All three communities would have the same value for Simpson's diversity index. Q1.8. Imagine a species in this forest system is very resistant to disturbance, because it often doesn't burn in a fire. Which is the most likely effect (or lack thereof) on species diversity? Disturbance resistance in an early-successional species will increase diversity at low disturbance levels. Disturbance resistance in an early-successional species will have little effect on diversity Disturbance resistance in a late-successional species will have little effect on diversity Disturbance resistance in a late-successional species will increase diversity when disturbances are frequent and large.

Explanation / Answer

1.7 10 species have very large population and 190 species are present but with very small population.

1.8 Disturbance resistance in an early-successional species will have little effect on diversity

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