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Title: Ecology of Indian Estuaries: Part 3- Physico-chemical features of Akathumuri-Anchuthengu-Kadinamkulam Backwaters systems, SW. Coast of India
Authors: Nair, N Balakrishnan
Kumar, K Krishna
Azis, P K Abdul
Dharmaraj, K
Arunachalam, M
Balasubramanian, N K
Issue Date: Sep-1983
Publisher: NISCAIR-CSIR, India
Abstract: As a part of an ecological survey conducted during March 1981 (premonsoon period) at the Akathumuri-Anchuthengu-Kadinamkulam Backwaters (lat. 8ᵒ35'-8ᵒ44'N and long. 76ᵒ44'-76ᵒ51'E), the physico-chemical conditions were studied at 28 stations. Maximum bottom water temperature was recorded at the river zone (zone A). Comparatively low light penetration and dissolved oxygen content observed at the Anchuthengu Backwaters (zone C) which can be attributed to retting. Salinity distribution was of mixohaline nature and maximum bottom water salinity was recorded at zone A. A distinct stratification in salinity distribution-a surface layer of mixo-oligohaline water and a bottom layer of mixo-mesohaline water-was noticed at zone A. Uniform temperature and salinity distribution observed in the surface and bottom waters at the Akathumuri Backwater (zone B) is an indication of its well mixed condition. Nutrient distribution showed comparatively higher concentration at the Kadinamkulam Backwaters (zone D).
Page(s): 154-159
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.12(3) [September 1983]

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