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Title: Species distribution in aquatic environment
Authors: Krishnamurthy, K.
Santhanam, R.
Sundararaj, V.
Issue Date: Dec-1974
Publisher: NISCAIR-CSIR, India
Abstract: An intensive study of plankton from March-July 1973, when hydrographic conditions were relatively stable, was carried out in 3 different aquatic biotopes of Porto Novo. Maximum number of diatom species (34) was noted at backwaters station 3 and the minimum number (18) at mangrove station 1. However, diatoms were rich in estuary (station 7). Tintinnids (Protozoa: Ciliata) were rich in backwater. Maximum number of dinoflagellate species (9) was found in backwaters; estuarine stations ranked next (8 species). Total number of species (denoted as species diversity) found in a biotope was empirically related to variations in standard deviation of salinity, copper concentration of water, changes in percent age of chlorophyll a (in total chlorophyll) and to planktonic circulation. Maxim um daily increase of diatom population was in the estuary (station 7 = 1.85 x 106 cells/m3) and the minimum was in the mangrove (station 1 = 1.21 x 103 cells/m3).
Page(s): 135-138
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.03(2) [December 1974]

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