Present Status Of Itchthyo Diversity Of Batticaloa Lagoon, Sri Lanka And Needs For The Conservation | 10373
Journal of Ecosystem & Ecography
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The present study was to generate an inventory of the fin fish of Batticaloa lagoon and to assess the impact of water quality on
the distribution of fishes. A total of 10504 fish specimens were collected, belonging to 85 species representing of 45 families.
The species compositions of lagoon vary according to the physico-chemical characteristics of the lagoon water. Collected species
were classified Estuarine dependent (ED), Marine seasonal (MS), Fresh water species and Reef associates (RF) according to their
life cycle and capability to cope with salinity fluctuations.
was the most abundant species (11.34%),
(5.61%); Sixty four percent (64.02%)
of the collected species correspond to an estuarine dependent component, followed by marine seasonal (19.02%), freshwater
component (13.12%), and very few are reef associates (3.84%) total numerical abundance. Only 10 species from 7 family of reef
associate component sporadically occurred in the lagoon. Partial impoundments and causeway across the lagoon also influence
on the migration of some fishes. Seasonal changes also have a great impact on the fish abundance and distribution of the lagoon.
The information and observation in this study will be very useful in formulating management policies for the future use of
Batticaloa lagoon especially multi-usage of fisheries with other sectors.
completed his special degree in Zoology in 2009 and following Ph.D. at Eastern University, Sri Lanka, He published several paper in
indexed peer reviewed international journals and also in conferences. He previously worked as District Aquaculture Extensio Officer at National
Aquaculture Development Authority (NAQDA) and Assistant lecturer in department of Zoology at Eastern University. Years working and field
experience in Marine Based ecosystem component as a Project Leader under the CIDA restore project which had been implemented with the
assistance of Canadian International Development Agency (CIDA) in collaboration with Eastern University of Sri Lanka, South Eastern University
and University of Ruhuna. He also worked as a supervisor for the survey of ?Promoting Rural Income from Sustainable Aquaculture through social
learning in Sri Lanka? in collaboration with University of Galgary, Canada, Wayamba University of Sri Lanka and Eastern University, Sri Lanka
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