2. Questions Bank
  3. UPSC
  4. Ecology And Environment
  5. Terms, Conventions, Policies and Reports

UPSC Ecology And Environment Terms, Conventions, Policies and Reports Question Bank Terms, Conventions, Policies And Reports

  • question_answer
    Which of the following are correct
    1. Alpha diversity (within-community diversity) refers to the rate of replacement of species along a gradient of habitats or communities.
    2. Gamma diversity (overall) refers to the diversity of the habitats over the total landscape or geographical area.
    Select the correct answer using the codes given below. Codes:

    A) Only 1              

    B) Only 2

    C) Both 1 & 2                   

    D) neither 1 nor 2

    Correct Answer: C

    Solution :

    The terms alpha, beta, and gamma diversity were all introduced by R. H. Whittaker to describe the spatial component of biodiversity. Alpha diversity is just the diversity of each site (local species pool Beta diversity represents the differences in species composition among sites. Gamma diversity is the diversity of the entire landscape (regional species pool).


You need to login to perform this action.
You will be redirected in 3 sec spinner