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Title: Seasonal growth pattern in Sargassum polycystum C. Agardh (Phaeophyta, Fucales) occurring at Visakhapatnam, east coast of India
Authors: Rao, A. Srinivasa
Rao, M. Umamaheswara
Keywords: Environmental factors;seasonality;growth;fertility;brown seaweed;Sargassum
Issue Date: Mar-2002
Publisher: CSIR
Abstract: Sargassum polycystum is a conspicuous component of the intertidal algal flora of Visakhapatnam coast. Seasonal growth pattern of this brown alga was studied, collecting data on mean thallus length, mean number of primary shoots, frequency of different size classes and reproductive condition as well as on some environmental factors for two years (November 1994 to October 1996). This alga showed marked seasonality, commencing its growth from April/May every year and attained its maximum length in the winter months (November to December/January). Maximum number of primary shoots and higher frequency of larger size classes were also noticed during the winter season. The seasonal growth showed significant negative correlation with temperature, indicating it as a causal factor for seasonality than the other environmental conditions.
Page(s): 26-32
ISSN: 0379-5136
Appears in Collections:IJMS Vol.31(1) [March 2002]

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