Monday, September 2, 2013

List of Agro-Ecological Zones of Bangladesh

AEZs of  Bangladesh
Bangladesh is a agricultural country and near about 80% people of Bangladesh are directly or indirectly involved with agriculture. Bangladesh is a small country but it has different land type in different area. It is a riverine country so maximum area of it's is floodplain and basin type.

We know that AEZ is the area of the nearly same ecological and soil characteristics agricultural crops production. So cropping pattern of a definite AEZ is mostly same. The homogeneity of a AEZ is more prominent in a sub region and most prominent in a unit level.

Agro-Ecological Zones of Bangladesh determined on basis of some definite characteristics and they are physiography (it is defined as soil parent materials and land forms of a particular area)
, hydrology ( it is determined on the basis of water holding capacity of soil and the water level of agricultural land ), cropping pattern ( it is done on the basis of Length of Rabi and kharif season and major and minor agricultural crops which are cultivated in a particular area ), season ( it is done on the basis of the Depth and duration of seasonal flooding in a particular area ), soil types and tidal activity. 

There are 30 Agro-Ecological Zones in Bangladesh. This 30 AEZ are sub divided into 88 agro-ecological sub region. Again these are divided into 535 agro-ecological units. The 30 AEZ of Bangladesh  are given below  - ( according to the number ) 

  1. OLD  HIMALAYAN  PIEDMONT  PLAIN
  2. ACTIVE  TISTA  FLOODPLAIN
  3. TISTA  MEANDER  FLOODPLAIN
  4. KARATOYA-BANGALI  FLOODPLAIN
  5. LOWER  ATRAI  BASIN
  6. LOWER  PURNABHABA  FLOODPLAIN
  7. ACTIVE  BRAHMAPUTRA – JAMUNA  FLOODPLAIN
  8. YOUNG  BRAHMAPUTRA  AND  JAMUNA  FLOODPLAIN
  9. OLD  BRAHMAPUTRA  FLOODPLAIN
  10. ACTIVE  GANGES  FLOODPLAIN
  11. HIGH  GANGES  RIVER  FLOODPLAIN
  12. LOW  HIGH  GANGES  RIVER  FLOODPLAIN
  13. LOW  GANGES  RIVER  FLOODPLAIN
  14. GOPALGANJ  KHULNA  BILS
  15. ARIAL  BIL
  16. MIDDLE  MEGHNA  RIVER  FLOODPLAIN
  17. LOWER  MEGHNA  RIVER  FLOODPLAIN
  18. YOUNG  MEGHNA  ESTUARINE  FLOODPLAIN 
  19. OLD  MEGHNA  ESTUARINE  FLOODPLAIN 
  20. ESTTERN  SURMA  KUSHYARA  FLOODPLAIN
  21. SYLHET  BASIN
  22. NORTHERN  AND  EASTERN  PIEDMONT  PLAINS
  23. CHITTAGONG  COASTAL  PLAIN
  24. MARTIN’S  CORAL  ISLAND
  25. LEVEL  BARIND  TRACT
  26. HIGH  BARIND  TRACT
  27. NORTH  EASTERN  BARIND  TRACT
  28. MADHUPUR  TRACT
  29. NORTHERN  AND  EASTERN  HILLS
  30. AKHAURA TERRACE

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