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Title: Macro And Meiofaunal Abundance In Six Sandy Beaches Of Lakshadweep Islands
Authors: Ansari, Z A
Ramani, Prita
Rivonker, C U
Parulekar, A H
Issue Date: Sep-1990
Publisher: NISCAIR-CSIR, India
Abstract: The macro and meiofauna were investigated quantitatively. Of the 8 macrofaunal taxa recorded, the polychaetes and crustaceans made up the bulk of the population and biomass on all beaches. Total macrofaunal density varied from 71 to 3157.m-2 and biomass from 5.22 to 325.1 g.m-2. High meiofaunal density (2620-6555.10 cm-2) was recorded at most of the beaches and these were made up mainly of nematodes (46.7%) and benthic copepodes (23.7%). On all beaches the meiofauna tended to be concentrated at those tide levels where no high degree of desiccation of the sand occurred. Macrofauna and meiofauna biomass were extrapolated to 1 m transect of beach giving macrofaunal values of 26.12 to 975 g. (1 m transect)-1 and meiofaunal values of 295.7 to 794.5 g. (1 m transect) -1. Based on biomass, meiofauna contributed more than 50% to the total production on all the beaches. The macrofauna/meiofauna ratio gave low values indicating the dominance of meiofauna on all beaches.
Page(s): 159-164
ISSN: 0975-1033 (Online); 0379-5136 (Print)
Appears in Collections:IJMS Vol.19(3) [September 1990]

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