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Sunderban a GIS approach


Methodology of the proposed conservation project
The development planning of such a vast area for identification of degraded stretches of sunderban requires various data information to identify the terrain, slope of the river, affected land areas in order to draw, on the block map and the bank of the river, the proper passage of channel to prevent loss of land as well as to maximize potential.

Implementation of GIS Application development with the Remote Sensing data (Satellite images), layering of Topo Survey data from Topo maps (1:25000 to 1:50,000 scales) available from the Survey of India and digitization of relevant block maps, as well as verification of draft contour maps in the field will only be able to prepare micro-distribution system within a short time and with more economy.

  • Identification of surroundings-
    The accessibility of the different parts of the local bodies can also be studied and mapped with the help of GIS.

  • Modeling-
    Planning is done with the assumption of future population. With the application of GIS the local planners can assume the environment, health & education conditions of the local bodies in future and take policy decisions accordingly.

  • GIS application on water resource management:-
    In order to satisfy water demands of today and tomorrow and protect the resources in long term, the decision makers need tools to make decisions based on reliable data. It would therefore be imperative to view the facts of water management as:
    • Design installation and use of GIS based information system.
    • Creation of management tools.
    • Drawing up of master plans and development schemes for water management.
    • Drawing up of multi-data set maps to help in decision making.
    From above facts, decision makers to arbitrate in conflicts of water use, whether present or future and manage crisis situation (drought, pollution).These applications are useful for planning at national, regional and local levels specially for developing purpose and for preparing strategies to relieve drought and flood affected areas.

  • GIS based People biodiversity register (PBR) format
    GIS based PBR format will be used for natural resource estimation in sunderban area. Following points are included in the PBR format for the estimation.
    1. A brief profile of the village with the following information:-
      1. Full address giving details about the Blocks, Districts, and State.
      2. Population of the village and its approximate break up into various castes.
      3. Infrastructure- Accessibility by road, distance from state or national highway, provision of educational facilities, nearest place for higher education, provision of electricity and drinking water.
    2. Landscape map:-
      The map should show all the boundaries of the village clearly. Only geographical elements (GE) and major landscape elements (LSEs) may be shown.

    3. The complete list of GEs of the village along with the LSE types and LSEs within the each GE.

    4. GE data sheets for all GEs of the village, each GE datasheets should include.

    5. User group datasheets for all the user groups of the village, the datasheets should include the complete list of the user groups and their sub groups in the village broken up into primary and secondary user groups. Consolidated information from datasheets:-
    6. Full species list consolidation from all the GE datasheets, by local taxonomic categories.
    7. User group maps showing the resources catchments of each user group.
    8. Species lists by user list for species being used for following purpose may be prepared.
    9. a) food, b)fodder, c)fuel wood, d) medicinal use, e)cultural or religious use. f) timber, g) species traded commercially, h) species of artisan value. i) nuisance species.
    10. GE general information table.
    11. GE ownership, usage and access table.
    12. User group calendar of activities table.
    13. Multiple use species table.
    14. Nuisance species table.
    15. Commercial species table.
    16. Ecological history. it should have the following information :-
      1. sectoral histories (e.g.-agricultural paternalism).
      2. major historical benchmarks.
      3. information on driving forces.
      4. conservation efforts by local community.
      5. conservation efforts by government agencies.
      6. historical landscape change maps.
    17. Management option by user groups according to the categories given in the manual.
    18. Conflicts: the following information should be recorded for each identified conflicts.
      1. the actor involved.
      2. brief description.
      3. category of conflict.
      4. brief history.
      5. impact of the conflict on species, SEs and user group.
    19. Conservation strategy and action plan:
      The following points should be noted down for the action plan –
      1. Brief reports of the gramsabha.
      2. Decisions taken at the gramshava meetings.
      3. Species, LSEs and user groups involved in the decision.
      4. Progress made on the action plan.
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