Benthic meiofaunal composition and community structure in the Sethukuda mangrove area and adjacent open sea,East coast of India |
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| Authors: | Balasubramanaian Thilagavathi Bandana Das Ayyappan Saravanakumar Kuzhanthaivel Raja |
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| Institution: | (1) Centre of Advanced Study in Marine Biology, Annamalai University, Parangipettai, 608502, Tamil Nadu, India |
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| Abstract: | The ecological aspects of meiofaunal communities in the Muthupettai mangrove forest, East coast of India, has not been investigated
in the last two decades. Surface water temperature ranged from 23.5 °C to 31.8 °C. Salinity varied from 24 to 34 ppt, while
water pH fluctuated from 7.4 to 8.3. Dissolved oxygen concentration ranged from 3.86 to 5.33 mg/l. Meiofauna analysis in this
study identified a total of 106 species from the mangrove and adjacent open sea area of Sethukuda. Among these, 56 species
of foraminiferans, 20 species of nematodes, 7 species of harpacticoid copepods, 4 species of ostrocodes, and 2 species of
rotifers were identified. Furthermore, a single species was identified from the following groups: ciliophora, cnidaria, gnathostomulida,
insecta, propulida, bryozoa and polychaete larvae. Meiofaunal density varied between 12029 to 23493 individuals 10 cm/m2. The diversity index ranged from 3.515 to 3.680, species richness index varied from 6.384 to 8.497, and evenness index varied
from 0.839 to 0876 in the mangrove area and adjacent open sea. |
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