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Difference Between Alpha, Beta & Gamma Diversity MCQ - Practice Questions with Answers

Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET

Quick Facts

  • 8 Questions around this concept.

Solve by difficulty

Ecosystem diversity relates to:

In the context of diversity patterns of species, which one of the following statements is incorrect?

Assertion (A): Gamma diversity refers to the diversity observed across the entire geographic region.

Reason (R): From a high altitude to a low altitude, biodiversity declines.

What does gamma diversity measure?

What is the difference between alpha diversity and beta diversity?

What does alpha diversity measure?

What does beta diversity measure?

Concepts Covered - 1

Alpha, Beta & Gamma Diversity
  • Whittaker (1972) described three terms for measuring biodiversity over spatial scales: alpha, beta, and gamma diversity. 
  • Alpha diversity is the diversity of organisms within a community i.e., the number of species in the given community or habitat.
  • Beta diversity is the diversity observed due to species composition of communities along an altitudinal gradient or moisture gradient or any other environmental gradient. 
    • It occurs due to replacement of species. 
    • More dissimilarities between species there will be more beta diversity.
  • Gamma diversity refers to diversity of organisms among communities in the geographical regions.

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Alpha, Beta & Gamma Diversity

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