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Choudhury, A.
- Report on the Occurrence of some New Philasterine and Trichostomatine Ciliates Inhabiting Echiurid Worms of Indian Sundarban Coast
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Authors
Affiliations
1 Social Environmental and Biological Association, Kolkata, IN
2 Department of Zoology, Calcutta University, 35, B. C. Road, Kolkata–700 019, IN
3 S. D. Marine Biological Research Institute, Sagar Island, West Bengal, IN
1 Social Environmental and Biological Association, Kolkata, IN
2 Department of Zoology, Calcutta University, 35, B. C. Road, Kolkata–700 019, IN
3 S. D. Marine Biological Research Institute, Sagar Island, West Bengal, IN
Source
Journal of Environment and Sociobiology, Vol 12, No 2 (2015), Pagination: 253-255Abstract
While consulting our old files and records we came across several black and white photomicrographs of some ciliates (Figs. 1-13) along with a brief unpublished write up on their taxonomy. This write up shows and reminds us that these ciliates were recovered from the gut contents of the echiurid worm (Phylum Echiura), Analassorhynchus branchiorhynchus (Annandale and Kemp) which was collected from the mudflats of Sagar Islands, South 24 Parganas district, West Bengal in 1970.- Salinity, pH and Species Diversity of Ichthyoplankton in Hooghly Estuary, West Bengal, India
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Authors
Affiliations
1 S. D. Marine Biological Research Institute, Bamankhali, Sagar Island, 24-Pgs (S), West Bengal, IN
2 Department of Pathology and Microbilogy, West Bengal University of Animal and Fishery Sciences, Chakgaria, Kolkata-700094, West Bengal, IN
1 S. D. Marine Biological Research Institute, Bamankhali, Sagar Island, 24-Pgs (S), West Bengal, IN
2 Department of Pathology and Microbilogy, West Bengal University of Animal and Fishery Sciences, Chakgaria, Kolkata-700094, West Bengal, IN
Source
Journal of Environment and Sociobiology, Vol 6, No 2 (2009), Pagination: 167-174Abstract
Investigation on some limnological factors like salinity and pH as well as species diversity of ichthyoplankton at three different sampling stations, viz., Light house (Station-1), Kachuberia (Station-2) and Haldia (Station-3) in the Hooghly estuarine complex of West Bengal was carried out. Samples of ichthyoplankton and water were collected every month during 2008. Station-1 recorded higher values of salinity, pH and species diversity compared to those of Station-2 and Station-3. The salinity and pH played an important role for survival of ichthyoplankton in the estuarine environment. Species diversity of ichthyoplankton also varied among the sampling stations. In all the stations maximum number of ichthyoplankton was available during pre-monsson (March to June) and minimum during monsoon (July to October). The species diversity gradually declined from the mouth towards the upper stretches of the estuary with the decrease in the salinity and pH of water.Keywords
Estuary, Salinity, pH, Ichthyoplankton, Diversity.- Composition, Diversity, Distribution and Seasonal Changes of Fish Juveniles in Hooghly Estuary Off Sagar Island, Sundarbans, West Bengal
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PDF Views:1
Authors
Affiliations
1 S. D. Marine Biological Research Institute, Bamankhali, Sagar Island, 24 Parganas (S), West Bengal, IN
2 Department of Fishery Pathology and Microbilogy, West Bengal University of Animal and Fishery Sciences, Chakgaria, Kolkata-700094, West Bengal, IN
1 S. D. Marine Biological Research Institute, Bamankhali, Sagar Island, 24 Parganas (S), West Bengal, IN
2 Department of Fishery Pathology and Microbilogy, West Bengal University of Animal and Fishery Sciences, Chakgaria, Kolkata-700094, West Bengal, IN