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Assessment of coastal wetland resources of central west coast, India, using LANDSAT data

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Abstract

The part of central west coast (Maharashtra and Goa) of India has been classified and quantified for coastal wetlands using LANDSAT data of 1985-86. The classification accuracy of the maps and area estimates achieved was 84% at 90% confidence level and the planimetric accuracy at 1:2,50,000 scale was 0.3 mm. The total coastal wetland areas in Maharashtra and Goa, have been estimated to be 1567 and 115 km:2, respectively. The estuarine and backwater regions contribute 44.6% of the wetland, followed by open mudflats (32%), mangroves (8.8%) and beach/spit (7.8%). Mangroves comprised of 17 species and are dominated by Rhizophora mucronata, Avicennia officinalis, A. marina, Sonneralia alba, Excoecaria agallocha and Acanthus ilicifolius. The sand-dune flora comprised of 63 species while rocky intertidal regions harboured > 100 species of marine algae. Erosional changes have been noticed to be predominant along the Maharashtra coast while progradation of beaches is noticed in Goa.

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Authors and Affiliations

  1. National Institute of Oceanography, Dona-Paula, Goa, 403 004

    T G Jagtap & V L Nagle

  2. Space Application Centre (ISRO), 380 053, Ahmedabad

    S Naik

Authors
  1. T G Jagtap
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  2. S Naik
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  3. V L Nagle
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Jagtap, T.G., Naik, S. & Nagle, V.L. Assessment of coastal wetland resources of central west coast, India, using LANDSAT data. J Indian Soc Remote Sens 29, 143–150 (2001). https://doi.org/10.1007/BF02989926

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  • DOI: https://doi.org/10.1007/BF02989926

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