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Seasonal variations in population dynamics of key intertidal molluscs at two contrasting locations
Misra, S.; Kundu, R. (2005). Seasonal variations in population dynamics of key intertidal molluscs at two contrasting locations. Aquat. Ecol. 39(3): 315-324.
In: Aquatic Ecology. Springer: Dordrecht; London; Boston. ISSN 1386-2588, more
Peer reviewed article  

Available in  Authors 

    Anthropogenic factors; Ecology; Intertidal environment; Seasonality; Marine
Author keywords
    anthropogenic pressure; India; intertidal molluscs; population ecology;seasonal fluctuations; Western Coast

Authors  Top 
  • Misra, S.
  • Kundu, R.

    The paper deals with the spatial and the temporal variability of the population dynamics of five key molluscan species at two rocky intertidal shores on the southern Saurashtra coastline of India. The intertidal belts of the two selected stations, Veraval and Diu, are about 100 km apart and differ in their coast characteristics and level of human interference. The slope and the substrate types of the two stations are not uniform and the exposure of intertidal belt of these predominantly rocky shores during low tides is also not significantly long. The study revealed that a general, species specific pattern of spatial and temporal variations existed in the population abundance and density of the species studied. There was considerable spatial variability in some species examined but most species showed no clear seasonal trends for the population abundance. The Veraval coast, in spite of being affected by heavy human interference, is still a favourable place for Chiton, Turbo cornatus and Turbo intercoastalis than Diu, though the latter is relatively less affected by anthropogenic influences. It appears that the subtratum type, short exposure duration and moderate wave action of the Arabian Sea are most active controlling factors for higher distribution of these species at Veraval.

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