Environmental Engineering Reference
In-Depth Information
Fig. 7.45
Sorting of tiger prawn seeds from the wild collection of estuarine water
estuarine and coastal waters. Thousands of aged
person, women and children collect wild tiger
prawn seeds by employing nets of a particular
mesh size to haul in the drifting community,
irrespective of the tides, and throw away the major
portion of the haul (containing the juveniles of
sh) after sorting out the post
larvae (or seeds) of tiger prawn (Fig.
7.45
). This
practice results in a great loss of pelagic biodi-
versity (in terms of stock), which might cause an
adverse effect on the delicate ecological balance
of the system. This occupation has spread its root
n
sh and shell
Fig. 7.46
Seedlings of mangroves along the bank of estuary
