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Ramanibai, R.
- Diversity of Microzooplankton (Tintinnida) in Muttukadu Backwaters, South East Coast of India
Abstract Views :271 |
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Authors
J. Chitra
1,
R. Ramanibai
2
Affiliations
1 Zoological Survey of India, F.P.S. Building, Kolkata–700 016, IN
2 Unit of Biomonitoring and Management, Department of Zoology, University of Madras, Guindy campus, Chennai–600 025, IN
1 Zoological Survey of India, F.P.S. Building, Kolkata–700 016, IN
2 Unit of Biomonitoring and Management, Department of Zoology, University of Madras, Guindy campus, Chennai–600 025, IN
Source
Journal of Environment and Sociobiology, Vol 7, No 1 (2010), Pagination: 45-52Abstract
Species composition, density and diversity of tintinnids along with hydrographical parameters in Muttukadu backwaters (Lat. 12°47'N, Long. 80°15' E), South East coast of India were studied from February 2004 to May 2006. Fifteen species of tintinnids were recorded and among them, Favella ehrenbergi and Favella philippinensis were dominant during the study period. The observed maximum population density of tintinnids were 1,58,500 ind/m3 at location 1 during postmonsoon season in February 2006 may be due to the higher levels of salinity (ppt) and the higher peak in physicochemical parameters observed in postmonsoon seasons during the study period. The richness of phytoplankton showed their higher productivity and population density during 2005 in all the seasons after tsunami event.Keywords
Tintinnida, Muttukadu Backwaters.
- Studies on Copepod Fauna and its Abundance in Muttukadu Backwater, Tamilnadu, India
Abstract Views :249 |
PDF Views:1
Authors
J. Chitra
1,
R. Ramanibai
1
Affiliations
1 Department of Zoology, University of Madras, Guindy Campus, Chennai-600 025, IN
1 Department of Zoology, University of Madras, Guindy Campus, Chennai-600 025, IN
Source
Journal of Environment and Sociobiology, Vol 5, No 2 (2008), Pagination: 243-250Abstract
Among zooplankton, copepod community in Muttukadu backwater was investigated in detail during February 2004 and May 2006. A total of 41 species of copepoda belonging to 22 genera under three suborders Calanoida (17), Cyclopoida (15) and Harpacticoida (09) along with nauplii and copepodites were recorded. In this paper, the monthly and seasonal abundance of copepod fauna is reported from four locations of Muttukadu backwater and total mean abundance was compared among those locations. The seasonal data showed higher abundance during pre-monsoon season. The fluctuations in abundance of copepoda observed during the study were discussed in detail.Keywords
Copepoda, Muttukadu Backwaters.- Status on Distribution of Rotifers in Muttukadu Back Water, Bay of Bengal
Abstract Views :208 |
PDF Views:0
Authors
J. Chitra
1,
R. Ramanibai
1
Affiliations
1 Department of Zoology, University of Madras, Chennai- 600 025, IN
1 Department of Zoology, University of Madras, Chennai- 600 025, IN
Source
Journal of Environment and Sociobiology, Vol 9, No 1 (2012), Pagination: 51-56Abstract
The present paper is prepared from the data collected during different seasons from February 2004 to May 2006. An attempt is made to enumerate the rotifer diversity of Muttukadu Backwaters located at 36 km away from Chennai city. Plankton samples were collected from the four sampling sites and the distribution of rotifers was noted. We examined the structure of rotifera in terms of occurrence and abundance at each locations to note the difference. Totally 19 genera and 34 species of rotifera belonging to three major orders Ploimida, Gnesiotrocha and Bdelloidea represented from 11 different families along with the rotifer eggs were recorded from the study area. The total mean abundance of different families was compared among the four locations showed the higher abundance during pre-monsoon season. The fluctuations in abundance of rotifera during the study period were noticed.Keywords
Zooplankton, Rotifera, Abundance, Distribution.References
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