Vegetation Analysis of a Riverine Mudflat in Sundarbans
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Authors
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S SAHA
Department of Botany, Bidhannagar College
Salt Lake City, Kolkata - 700 064, West Bengal
Abstract
Sundarbans have been witnessing increased erosion and decreased progradation over the years. Under such circumstance appearance of a riverine mudflat and the subsequent development of mangrove vegetation gave an opportunity to record the composition and diversity of species. A study was carried out in the year 2003, whereby using quadrate method, 9 mangrove species were identified. The 7 tree species among them had very high stem density but low stem basal area. The early colonizing trees – Avicennia and Sonneratia dominated. There was also abundance of Porteresia grass. The species diversity index was modest 2.329. Biomass estimation (by Allometric equation) was also made to assess the C-stock, which showed 37% allotment in the below ground biomass.
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