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Abstract
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Article Information:
Distribution of Zooplankton from Arabian Sea, along Southern Kerala (Southwest Coast of India) During the Cruise
R.S. Robin, M. Srinivasan and K. Chandrasekar
Corresponding Author: K.Chandrasekar
Submitted: 2009 August, 09
Accepted: 2009 August, 28
Published: |
Abstract:
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Among different groups of zooplankton copepods contributed maximum numerical abundance
contributed up to (31.93%). 26 species of copepods constituted by 20 species of calanoida, 3 species of
harpatocoida and 3 species of cyclopoida. The predominant species of copepods were Acartia spinicuda,
Calanus finmarchicus, Paracalanus parvus, Acrocalanus gracilis, and Euterpina acutiferons. Less number of
Ichthyoplankton encountered during present study is an indication of anthropogenic hydrographical changes
in coastal waters and its adverse impact on fishery potential of these transects. Salinity showed a significant
positive correlation with zooplankton density. Relatively low zooplankton density in the near shore stations
compared to offshore may be attributed to salinity variations and marginal stress from the fresh water input.
Thus the present attempt is made to study the distribution of zooplankton recorded in Arabian Sea along
Southern Kerala. Among the stations, the highest zooplankton population of 366 Nom-3 was recorded at
Neendakara 5km offshore and Veli near shore (EDP) recorded the lowest density of 60 NomG3. The minimum
zooplankton density encountered at Veli transect might be due to constant exposure to precipitate, severe drop
in pH, low dissolved oxygen leading to asphyxiation and death of large population.
Key words: Zooplankton, Population density, Arabian Sea, , , ,
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Cite this Reference:
R.S. Robin, M. Srinivasan and K. Chandrasekar, . Distribution of Zooplankton from Arabian Sea, along Southern Kerala (Southwest Coast of India) During the Cruise. Current Research Journal of Biological Sciences, (3): Page No: 155-159.
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ISSN (Online): 2041-0778
ISSN (Print): 2041-076X |
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