Physico-chemical parameters and Ichthyofauna diversity of Arasalar estuary in southeast coast of India

The physico-chemical changes may have the tendency to accumulate in the various organs of estuarine organisms, especially fish which may in turn enter into the human metabolism through consumption causing serious hazards. Hence, the present study was carried out to dete rmine the physico-chemical ch...

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Veröffentlicht in:Applied water science 2017-03, Vol.7 (1), p.445-450
Hauptverfasser: Raju, C., Sridharan, G., Mariappan, P., Chelladurai, G.
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Sridharan, G.
Mariappan, P.
Chelladurai, G.
description The physico-chemical changes may have the tendency to accumulate in the various organs of estuarine organisms, especially fish which may in turn enter into the human metabolism through consumption causing serious hazards. Hence, the present study was carried out to dete rmine the physico-chemical characteristics of water and Ichthyofauna in Arasalar estuary in southeast coast of India for the period of 1 year during September 2012–August 2013. The environmental parameters such as, temperature, pH, salinity, DO, silicate, nitrate and phosphate were observed from Department of Zoology, Rajah Serfoji Goverment College, Thanjavur, Tamil Nadu, India. During the period of study, air temperature varied from 28.8 to 35 °C. The surface water temperature also varied from 25 to 31.5 °C. The monthly mean values of hydrogen ion concentration of water varied from 7.1 to 8.2. The salinity of water varied from 5.5 ‰ to 34. Dissolved oxygen in Arasalar estuary was varied from 3.5 to 7.2 mg/l. The total phosphorus varied from 0.29 to 2.15 µg/1. The nitrate varied from 0.47 to 3.75 µg/l. The silicate content varied from 28.25 to 98.74 µg/l. Totally 866 fishes were collected belonging to 4 orders and 5 families. Mystus gulio was found to be the dominant species (25.40 %) in the study area.
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subjects Aquatic Pollution
Brackish
Comparative Law
Earth and Environmental Science
Earth Sciences
Hydrogeology
Industrial and Production Engineering
International & Foreign Law
Mystus gulio
Nanotechnology
Original Article
Private International Law
Waste Water Technology
Water Industry/Water Technologies
Water Management
Water Pollution Control
title Physico-chemical parameters and Ichthyofauna diversity of Arasalar estuary in southeast coast of India
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