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DriscriptionsFlying Birds in Hail Haor |
Haor means a marshy wetland
ecosystem physically is bowl or saucer shaped depression that looks like inland
seas during the monsoon floods.
It is seen mainly in Kishoregonj and Sylhet area. Those haor gets flow
by river and canal. In the winter it turn into large pasture but in the rainy
season it has opposite scenery. It turn into vast tank of water.
Once upon a time this catchment area
was consisted by permanent and seasonal lake from Meghna and its branches.
Where there were plenty of aquatic plants. But for gradually filling those
catchment area lost their depth. There grow up bush of bulrush. So, those
places became the ideal place for food and shelter for fish and others aquatic
animal. It has become the attractive place for migratory birds. For excretion of
birds, this water body grow plenty of Phytoplankton. Which help in
eutrophication process.
This catchment area is surrounded
with Megaloy mountain in north (India), mountain of Tripura in south (India),
High elevation of Munipur in east( India). There are six thousand shallow water
tank in this plain silted land. Which is called bill. A large area which is
inundated by monsoon flood is circumambient this area. Many Indian hills stream
and river which are in nearest places flow water in this land. It goes in 6
meter deep in rainy season by onrush of water. Though much water move away in
winter.
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