The document summarizes a Web GIS project for West Bengal's Department of Fisheries in India. The project involved creating large-scale geospatial maps of the state's over 20 million water bodies using high-resolution satellite imagery and 1 TB of spatial data. It integrated spatial and non-spatial fisheries data into a unified online system to help manage water resources, identify suitable fishing areas, track fishermen, and enable decision making. The project was completed using Hexagon Geospatial technologies and resulted in 21 TB of geospatial data and key benefits like improved resource allocation and water management.

1. Web GIS for fisheries
A success case study from West Bengal, India by Hexagon Geospatial

2. West Bengal – Facts on Fisheries
#1 – Producer of fish and fish products
20 Million – Impounded water bodies
88,000 Sq. Km – Geographic area spread

3. About the Project
WebGIS for West Bengal’s Department of Fisheries

4. First of its kind fisheries mapping
project
Creation of Large-scale
mapping data for fisheries
management
* 1 TB of spatial data
Use of high-resolution
satellite imagery across
the mapping project
* 20 TB raster data

5. About the Project
Client Technology Partner

6. Need for the Project
Manage and
Conserve Water
Bodies
Find Suitable
Fishing Areas
Aid in
Pisciculture
Track
Fisherman
Replace
Outdated Data
Have
Integrated Data
Management
Provide Single
Truth of View
Help in Remote
Data
Management
Aid in Planning,
Micro-financing
Enable Decision
Makers

7. Key Goals
Geospatial aspects considered for the project

8. Identified Key Geospatial Requirements
Identify and depict more than 20 million water bodies
Undertake field visits to collect details of water bodies where information is to be validated
Segregate water bodies from agricultural fields and water-logged areas
Replace outdated maps with GIS-based digital maps
Use high-resolution satellite imagery (0.6/0.5 meter spatial resolution) for mapping activities
Integrate spatial and non-spatial information from various sub-departments into a unified system
Develop Web-enabled access of the GIS-based maps to decision-makers

9. Hexagon Geospatial – Technologies
Applied
• For image processing for creating base data of
water bodies using satellite imagery
ERDAS
IMAGINE
• For creation of detailed inventory of all water
bodies usingGEOMEDIA
• For imagery management and Web publishing
that also facilitates vector-editing on the Web
ERDAS
APOLLO

10. Size of Geospatial Data Handled
Size of raster data (raw,
processed satellite images)
Total size of geospatial
data
20 TB
1 TB
21 TB
Size of vector data handled

11. Key Benefits Derived
Prepare accurate
inventory for planning
and micro-financing
Creating effective
infrastructure and
asset management
Enable enhanced
management of water
resources
Improved resource
allocation across the
organisation

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Looking for more information
on GIS for fisheries?
Contact Hexagon Geospatial
Hexagon Geospatial, 2nd Floor, A 06 Infocity, Sector 34, Gurgaon 122002,
Haryana, India
Tel: +91 124 4633000
Email: in-sales@hexagongeospatial.com