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fi mbriata ), milk fi sh, etc. Further, the fi nfi sh, green
crabs, clams and prawns are the most commercially exploited fi shes of the lagoon. Endangered
green sea turtles are found on the beaches of
Sriharikota Beach. Apart from prawns, salt is
also produced from the lagoon.
The shallow lake is known for its diversity of
aquatic birds and is an important stopover on
migration routes and is reported to be the third
most important wetland on the eastern coast of
India for migratory shorebirds, particularly during the spring and autumn migration season.
In addition to above, there are a number of big
and small wetlands around the city of Chennai
(Plate 20.86 ). Some of these are given below. These
wetlands harbour a large number of wetland birds.
20.3.21 Wetlands of Uttar Pradesh (UP)
UP is one of the largest provinces in India.
However, there are not too many wetlands in the
province being a comparatively dry region. A
brief general account of the wetlands in this province is given below.
20.3.21.1 Jheels in the Vicinity of
Haidergarh
These wetlands (commonly called ‘jheel’) lie at
an average altitude of 100 m MSL, between 26°
35′ N and 81° 15′ E near the town of Haidergarh
(Hydergarh) in Barabanki District, about 50 km
from Lucknow in UP. These ‘jheels’ (Plate 20.87 )
are a group of shallow, freshwater marshy wetlands.
Plate 20.86 Few wetlands around the city of Chennai
Plate 20.87 Jheels in the vicinity of Haidergarh
20.3 Wetlands of Other Regions in India
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