UPSC Ecology And Environment Current Ecological Developments Question Bank Current Ecological Developments

  • question_answer
    Read the following statements regarding Indian wetlands.
    (i) Largest wetland of India includes Vembanad lake, Chilika lake, Kolleru lake and Loktak Lake.
    (ii) Remote Sensing and Geographic Information
    System (GIS) tools have been used in flood zonation mapping in wetlands.
    (iii) Normalized Difference Vegetation Index (NDVI) is used for separation of wetland areas.
    Choose the correct option.

    A) (i), (ii) and (iii)   

    B) (ii) and (iii)

    C) only (ii)             

    D) (i) and (iii)

    Correct Answer: A

    Solution :

    115 wetlands in India have been identified by the government which require urgent conservation and management interventions. The list of Ramsar sites in India are one of the most threatened of all ecosystems and has an international importance. Largest Wetland of India includes Vembanad lake, Chilika lake, Kolleru lake and Loktak Lake. Remote Sensing and Geographic Information System (GIS) tools have been used in flood zonation mapping, in monitoring irrigation and cropping patterns.


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