Title: Foramgeographical affinities of the west and east coasts of India: An approach through cluster analysis and comparison of taxonomical, environmental and ecological parameters of Recent foraminiferal thanatotopes
Abstract:Q-Mode cluster analysis of one hundred sixty species of Recent foraminifera from twenty nine Recent littoral-thanatotopes from 4000 km long coastal-stretch of India reveals that its west and east coas...Q-Mode cluster analysis of one hundred sixty species of Recent foraminifera from twenty nine Recent littoral-thanatotopes from 4000 km long coastal-stretch of India reveals that its west and east coasts belong to two separate foramgeographical realms as their assemblages form two separate 'clusters' with only 0.1 level of 'Degree of Association' amongst them. The pattern of clusters shows two faunal assemblages namely'Inner' and 'Outer East Marginal Assemblage of Arabian Sea' along the West Coast and similarly two assemblages namely, 'Inner-' and 'Outer West Marginal Assemblage of Bay of Bengal' along the East Coast of India. A taxonomic comparison of one hundred sixty reported species of Recent foraminifers from littoral-thanatotopes of the region shows that only twenty six of them are common to the West and the East Coast of India. A comparison of plots of subordersRotaliina, Miliolina and Textulariina on Centre of Advanced Study in Geology, Dr. H.S.G. University, Sagar 470 003. Department of Geology, Aligarh Muslim University, Aligarh 202 001. National Institute of Oceanography, Dona Paula, Goa One of us (PKK) is thankful to the University Grants Commission, New Delhi, India, for a research grant. The authors are thankful to Prof. John R. Haynes of the University College of Wales, Aberystwyth for reviewing the manuscript. Thanks are also due to the staff of the Computer Centre, Dr. H. S. G. University, Sagar for their help in developing a programme using BASIC language. 'triangular model for environmental and ecological interpretations' also attests to their different affinities.Read More
Publication Year: 2000
Publication Date: 2000-01-01
Language: en
Type: article
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Cited By Count: 10
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