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Climate Change and Health of Sundarbans By  Ahmadul Hassan Director, R& D and Training Division Email:  [email_address] Date: April 14, 2011 Kolkata, India Launch of Sundarbans Pavilion World Wildlife Fund
Ganges Basin Brahmaputra Basin Meghna  Basin Background ,[object Object],[object Object],[object Object]
Forest Ecosystem in Bangladesh ,[object Object],[object Object],[object Object],Types of Forest Area (Sq. km) Tropical evergreen and semi-evergreen Forest  6,700 Natural Mangrove Forest and Plantation 6,000 Tropical moist deciduous Forest 12,00
Sundarbans ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Climate Change in Bangladesh ,[object Object],[object Object],[object Object],[object Object],[object Object]
Aim of this Research ,[object Object]
Forest Health Evaluation
Topographical Distribution of Sundarbans    DEM ,[object Object],[object Object]
Changing Pattern in Distribution of Sundri and Gewa from 1992 to 2001
Changing Pattern in Distribution of Goran and Gewa from 1992 to 2001
Forest Cover Using RS 1992 1995 2001-04-05 DoF 1995
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Why have the Changes Occurred
Impact of Salinity on Forest Density Low < 15 ppt Moderate 15-25 ppt High >25 ppt
Survival Performance Under Different Flooding Condition
Forest: Growth Index Modelling M u d f l a t s ( s l o p e ) High-tide water level Low-tide water level R i d g e s o r l e v e e s Back-swamps or basins M a i n r i v e r c h a n n e l hoda nol khagra golpata keora/baen goran Gewa sundari hargoza Present Future Sundri
Suitability of Sundri  (Heritiera fomes )   Drainage Density :Low Inundation Salinity Low Medium High Low Good Good Poor Medium Good Poor Poor High Poor Poor Poor Drainage Density :High Inundation Salinity Low Medium High Low Very Good Very Good Good Medium Good Good Poor High Poor Poor Poor
Suitability of Gewa  (Excoecaria agallocha ) Drainage Density :Low Inundation Salinity Low Medium High Low Good Very Good Good Medium Good Good Good High Good Good Poor Drainage Density :High Inundation Salinity Low Medium High Low Good Very Good Good Medium Very Good Good Good High Good Good Poor
Suitability of Goran  (Ceriops decanda ) Drainage Density :Low Inundation Salinity Low Medium High Low Poor Poor Poor Medium Good Good Poor High Very Good Good Poor Drainage Density :High Inundation Salinity Low Medium High Low Poor Poor Poor Medium Good Good Poor High Very  Good Good Poor
Plant Type – Sundari – Health Index Under Different SLR Scenarios
Plant Type – Gewa – health Index Under Different SLR Scenarios
Plant Type – Goran – health Index Under Different SLR Scenarios
Dominant Plant Distribution Under Different SLR condition
Plant Diversification in Sundarbans
Conclusions ,[object Object],[object Object]
Suggestion to Improve the Degraded Ecosystem ,[object Object],[object Object],[object Object]
User User + Custodian
Thank you

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Climate Change and Health of Sundarbans

  • 1. Climate Change and Health of Sundarbans By Ahmadul Hassan Director, R& D and Training Division Email: [email_address] Date: April 14, 2011 Kolkata, India Launch of Sundarbans Pavilion World Wildlife Fund
  • 2.
  • 3.
  • 4.
  • 5.
  • 6.
  • 8.
  • 9. Changing Pattern in Distribution of Sundri and Gewa from 1992 to 2001
  • 10. Changing Pattern in Distribution of Goran and Gewa from 1992 to 2001
  • 11. Forest Cover Using RS 1992 1995 2001-04-05 DoF 1995
  • 12.
  • 13. Impact of Salinity on Forest Density Low < 15 ppt Moderate 15-25 ppt High >25 ppt
  • 14. Survival Performance Under Different Flooding Condition
  • 15. Forest: Growth Index Modelling M u d f l a t s ( s l o p e ) High-tide water level Low-tide water level R i d g e s o r l e v e e s Back-swamps or basins M a i n r i v e r c h a n n e l hoda nol khagra golpata keora/baen goran Gewa sundari hargoza Present Future Sundri
  • 16. Suitability of Sundri (Heritiera fomes ) Drainage Density :Low Inundation Salinity Low Medium High Low Good Good Poor Medium Good Poor Poor High Poor Poor Poor Drainage Density :High Inundation Salinity Low Medium High Low Very Good Very Good Good Medium Good Good Poor High Poor Poor Poor
  • 17. Suitability of Gewa (Excoecaria agallocha ) Drainage Density :Low Inundation Salinity Low Medium High Low Good Very Good Good Medium Good Good Good High Good Good Poor Drainage Density :High Inundation Salinity Low Medium High Low Good Very Good Good Medium Very Good Good Good High Good Good Poor
  • 18. Suitability of Goran (Ceriops decanda ) Drainage Density :Low Inundation Salinity Low Medium High Low Poor Poor Poor Medium Good Good Poor High Very Good Good Poor Drainage Density :High Inundation Salinity Low Medium High Low Poor Poor Poor Medium Good Good Poor High Very Good Good Poor
  • 19. Plant Type – Sundari – Health Index Under Different SLR Scenarios
  • 20. Plant Type – Gewa – health Index Under Different SLR Scenarios
  • 21. Plant Type – Goran – health Index Under Different SLR Scenarios
  • 22. Dominant Plant Distribution Under Different SLR condition
  • 24.
  • 25.
  • 26. User User + Custodian

Editor's Notes

  1. Ahmadul Hassan, CEGIS