Wild Shrimp Seed Collection
Published: Mar 30, 2013
Segregation sampling: To segregate the organisms were transferred into a bucket and ten litre of water was added. Before sub sampling, the catch was homogenised by stirring. Ten sub samples of one litre were taken from each catch, stirring in between. Each sub sample was then segregated for large individuals, approximately 5 mm and more. Of each sub sample the number of shrimp seed selected was counted. It was noted that out of the 204 organisms that were caught only 14 were of the specific species. The rest was discarded on the levee and left to die. Thus the bycatch destruction rate worked out to be 93 per cent.
Abstract: Wild Shrimp Seed Collection in Hoogly Estuary, West Bengal
Shrimp farming, the most lucrative of aquaculture option in the east coast of India sources wild seed for its sustenance. With undiminished demand the seed collection today threatens the sustainability of a variety of species that are destroyed as bycatch. Despite the ban on collection being enacted—it remains without effect.
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Fishes possessing a life history of migration between lakes or rivers and streams.
Water that has more salinity than fresh water.
Fishes that migrate from fresh water to salt water to spawn.
This zone is the part of the sea or ocean (or deep lake) comprising the water column that is near to and is significantly affected by the seabed and the benthos.
Occurs in aquatic environments when dissolved oxygen reduces to an abysmal level.
A method of fishing which uses lures on a vertical line.
Primary producers of the planktonic world.
Has a rope attached with weights at the bottom that can be drawn up like a purse once the school of fish is ensnared.
Involves one or more fishing lines drawn slowly through the water behind a boat.
The act of reproduction of fishes.
Fish that is born in fresh water, lives in the sea and returns to fresh water to spawn.