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Biodiversity threat through exotic species monitoring and management using Remotely Sensed data and GIS techniques - A case study of Banni (Kachchh) Gujarat, India
GIS Database Design and Organisation for Banni
The database for the Banni development plan has basically two components, Spatial and Non- Spatial. The Geographic Information system (GIS) package is the core of the database for handling the two sets of data. In the present study ARC/INFO GIS package has been employed as the main tool to design, Organization, storage, retrieval, analysis and generation of cartographic outputs. Non-Spatial Data basically consisting of numeric/attributes in respect of Grassland type-code, Salinity range-code, composition and prosopis density class-code.
Since it was required that a typical analysis had to be carried out for Banni Development Plan, as it was discussed with other participating agencies like Gujarat Institute of Desert Ecology (GUIDE), Animal Husbandry, Banni Development office at Bhuj. The database contents are given in TABLE - 1 .
TABLE - 1 :Primary and derived themes used for banni development plan
| Sr. No. |
Theme |
Type |
Primary/Derived |
Source |
Criteria |
Remarks |
| 1 |
Grassland/ Landcover |
map |
Polygon Primary |
IRS 1C/1D 1998-99 |
- |
- |
| 2 |
Banni Boundary |
Polygon | Primary |
Banni Devp. Office |
- |
- |
| 3 |
Roads |
Line |
Primary |
SOI toposheets and IRS 1C/1D L3 DATA |
- |
- |
| 4 |
Elevation |
Points | Primary |
SOI toposheets & limited GPS points |
- |
- |
| 5 |
Drainage |
Lines |
Primary |
SOI toposheets |
- |
- |
| 6 |
Contours |
Polygons and lines |
Derived |
Elevation points |
- |
Tin and Lattice Model of ARC/INFO |
| 7 |
Slope |
Polygons |
Derived |
Elevation Points |
|
Tin and Lattice Model of ARC/INFO |
| 8 |
Action Plans For: |
| 8.1 |
Palatable Grass |
Polygons |
Derived |
Landcover Map |
Multi-parametric criterion based Analysis |
Identification & Extraction using GIS |
| 8.2 |
Mass Weeding of Prosopis |
Polygons |
Derived |
Landcover Map |
Multi-parametric criterion based Analysis |
Identification and Extraction using GIS |
| 8.3 |
Pure Prosopis |
Polygons |
Derived |
Landcover Map |
Multi-parametric criterion based Analysis |
Recursive Elimination Analysis using GIS |
| 8.4 |
Salinity range |
Polygons |
Derived |
Landcover Map |
Criterion based Analysis |
Identification of fertility island of Vegetation types |
| 8.5 |
Water Harvesting |
Polygons |
Derived |
Slope Map & Drainage |
Criterion based Analysis |
Possible sites identified as per the discussion with experts |
Each of the above mentioned action plans was generated using multi - parametric criterion based analysis by GIS techniques.
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