Question

The diversity of an ecosystem of total geographical area is called

• A. Ecological integrity
• B. $\alpha$-diversity
• C. $\beta$- diversity
• D. $\gamma$- diversity

Answer 1

Answer: (D)

The correct option is D $\gamma$- diversity
Alpha diversity : species diversity within a community or habitat, comprises two components, i.e., species richness and evenness. Sometimes dominant of one vegetation stratum may affect the diversity of the other strata.

Beta diversity : diversity is the inter community diversity expressing the rate of species turnover per unit change in habitat.

Gamma diversity : gamma diversity is the overall diversity at landscape level includes both and diversities.