November - 2000
Published by;
Environment and GIS Support Project for Water Sector Planning (EGIS II)
Sponsored by the Netherlands Government
Developed by Nefisco Foundation, Amsterdam, The Netherlands
and
EGIS-II
House # 49, Road # 27, Banani, Dhaka 1213, Bangladesh
Phone (880-2) 8821570-2, Fax (880-2) 8823128
E-mail: egis@cegisbd.com
Info@nefisco.org
© EGIS, Bangladesh and NEFISCO, the Netherlands
Date of Publication
EGIS Library Catalogue
G.J. de Graaf, M.G. Khan, M. O. Faruk. L. Yasmin, A. A. Mamun 2000. FISH–GIS, An introduction to the use of Geographical Information Systems and Remote Sensing in fisheries monitoring. EGIS Publication 2000-1, 184 pp.
TABLE OF CONTENTS
1 Introduction
1.1 Set up of the training and the manual
1.2 The Training
2 What is GIS
3 A quick look at the start-up of Arcview
3.1 Starting Arcview
3.1.1 Structure of a Project, What is a project
3.1.2 Structure of a Project
3.2 Some Tools in View
3.3 Graphical displays in the Map View
3.3.1 Changing colours or the legend
3.3.2 Changing the number of classes in a legend
3.3.3 Selecting and applying bar or pie graphs
3.3.4 Displaying two parameters in one theme
3.3.5 Exercise 1: Rural and urban population
3.3.6 Exercise 2: Riverine frame survey
3.4 Views and Themes: definitions and characteristics
3.4.1 Polygons
3.5 Joining data with location on a map
3.6 Exercises: Joining Tables with Themes
3.6.1 Exercise 1: Riverine catch data joining with a polygon shape file
3.6.2 Exercise 2: Making your own data table, joining and editing
3.6.3 Exercise 3: Difference between polygon and point shape files
3.6.4 Exercise 4: Riverine frame survey data joining with point shape file
3.6.5 Facultative Exercise 5: Repeat it with small and large boats.
4 Point Shape Files
4.1 Characteristics of point shape files
4.1.1 How to get geo references
4.2 Exercises: Making point shape files
4.2.1 Exercise1: Inland riverine fishing Villages in Bagherhat District
4.2.2 Exercise 2: Sampling stations of salinity levels in the coastal area
4.2.3 Exercise 3: Adding the number of boats to the marine villages
4.3 Graphical displays of point shape files and the creation of contour line plots.
5 DATA plots and GIS Analysis
5.1 Contours salinity lines versus surface plots
6 Grid files
6.1 Grid file characteristics
6.2 Spatial Analyst
6.3 How to set your defaults for the use of Spatial analyst
7 Surface Plots
7.1 How the interpolation of the data works
7.2 How to make a surface plot
7.2.1 CPP water level surface plot: An example
7.3 How to set the boundary or a mask in a GIS analysis
7.3.1 CPP water level surface plot: An example with boundaries set
7.4 Exercises: Surface plots
7.4.1 Riverine catch statistics
7.4.2 Salinity levels in the coastal areas
8 Calculation with grids USIN GIS
8.1 Map calculations
8.1.1 Reclassifying
8.1.2 Querying
8.2 Exercises
8.2.1 Exercise: Calculate the shrimp farming area in the different salinity zones without a computer
8.2.2 Exercise 2: Calculate areas of shrimp farming in different salinity zones in Arcview.
8.3 Digital elevation model
9 Floodplain fisheries monitoring and GIS
9.1 Basic principles of habitat stratified floodplain fisheries monitoring
9.2 Stratification or criteria and principles.
9.2.1 Land types
9.3 Habitat stratified monitoring
9.4 Data analysis and estimation of annual catch
9.4.1 Determination of catch per unit of area
9.5 Exercises
9.6 Determination of monthly inundated areas or monthly flood maps
9.7 Exercises
9.7.1 Fish catch in the CPP for two scenarios
10 Further Application of Habitat stratified monitoring and the use of GIS in Bangladesh
10.1 Radar
10.1.1 Exercise: Radar Image flood mapping per Land type
10.2 Direct application of yields on land types
10.2.1 Exercises: Direct application of annual yield on Tangail district
11 Comparison of Fisheries and Agriculture in CPP, a multi disciplInary approach.
11.1 Fish losses
11.2 Agricultural benefits
11.2.1 Exercise: Calculate the agriculture production for the two scenarios of CPP
11.3 Total losses and benefits of the two scenarios for CPP
11.4 Who get the profits and who gets the losses
11.4.1 Exercise: Calculate distribution of losses and benefits over the different social strata in CPP
12 Marine fisheries
12.1 Introduction
12.2 Marine fisheries and GIS
12.2.1 Exercise 1; Shrimp fisheries by Estuarine Set Bag nets in the coastal zone
12.2.2 Exercise 2: Shrimp and fish trawling in the off shore waters of the Bay of Bengal
12.2.3 Exercise 3: Cephalopod catches
12.2.4 Facultative exercise 4: Fish biomass distribution in the BoB in relation to waterdepth
13 A rapid Fish bio-diversity appraisal for floodplain ecosystems.
13.1 Changing species composition in Garinda and Ghotokbari Beel in the CPP project area
13.2 Changing fish species composition in Bangladesh in relation to water management
13.3 Exercise: Bio-diversity rapid appraisal
14 Larval Fish densities in the major rivers
14.1 GIS and hatchling distribution
14.1.1 Exercise: GIS-Hatchlings
14.1.2 Results of the exercise.
15 Tools for fisheries analysis and management
15.1 Holistic models
15.1.1 The basics
15.1.2 A Schaefer curve for shrimp trawling in the Bay of Bengal
15.1.3 Modified surplus production models that could be used in Bangladesh
15.1.4 Exercises: Schaefer curves
15.2 Analytical models
15.2.1 Steps in length based stock assessment
15.3 Examples of the CPP project
15.3.1 Catch and Effort in CPP
15.3.2 Growth from the length- based stock assessment programme of CPP
15.3.3 Mortality rates from the length-based stock assessment program
16 ANNEX 1: Remote Sensing Techniques for Detecting and Mapping Aquaculture Ponds in Bangladesh
16.1 Introduction
16.2 Materials and Methods
16.2.1 Study Area and Field Survey
16.2.2 Remote Sensing
16.3 results
16.3.1 Field data on ponds
16.3.2 Merging
16.3.3 Pond size detected with remote sensing
16.3.4 Costs
16.4 Conclusions
16.5 References
16.6 Acknowledgements
17 ANNEX 2; PREDICTIVE IMPACT MODELING WITH HYDROLOGICAL MODELS AND GIS
17.1 The Compartmentalisation Pilot Project
17.2 Modelling of fisheries in Bangladesh
17.3 The CPP model
17.3.1 Hydrological module
17.3.2 GIS module
17.3.3 Fisheries module
17.3.4 Agriculture module
17.3.5 Economic module
17.3.6 Socio-economic module.
17.4 Results
17.4.1 Shift in water and land
17.4.2 Production and value
17.4.3 Socio-economics aspects
17.5 Conclusions and recommendations for future developments
18 Acknowledgments
19 References and suggested further Literature