Ecological response of foraminiferal component in the sediments of Kharo Creek, Kachchh (Gujarat), west coast of India
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A total of seven surface sediment samples collected within 4.4 m to 13.9 m water depth (below chart datum) from Kharo Creek were studied for their foraminiferal content. The study reveals forty seven foraminiferal species of which forty four are benthic and three are planktic. It is observed that distribution of foraminifera is mainly controlled by organic carbon, suspended load, substrate nature and tidal influences. The observations of this study further suggest that on the basis of total foraminiferal number, living and reworked foraminiferal specimens and other ecological variables, creek environments can be divided into three biotopes, viz., upstream biotope, transition biotope and lower stream (marginal marine) biotope. The study further emphasize on the possibility of the detailed foraminiferal study in the creek on seasonal basis as such study will form the base line data to asses the future impact of industrial pollution (if any) as a jetty for offloading cement is being constructed in Kharo Creek for proposed cement plant which is coming up in this area.
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