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Chandrashekher U. Rivonker
Department of Marine Sciences, Goa University, Taleigao Plateau
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Mathematics

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Recent Trends of Demersal Marine Fish and Invertebrate Production in Southeast Asia – A Hypothesis-based Analysis Vinay P. Padate; Chandrashekher U. Rivonker
ASEAN Journal on Science and Technology for Development Vol. 35 No. 1-2 (2018): Extent of transfer of alien invasive organisms in South/Southeast Asia regio
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (5774.779 KB) | DOI: 10.29037/ajstd.474

Abstract

Demersal marine fish and invertebrate production data for Southeast Asia (1996–2007) obtained from the Southeast Asian Fisheries Development Center (SEAFDEC) statistical bulletin indicated a reduced production by Thailand largely due to over-exploitation and altered coastal ecosystems. In contrast, increased production by Philippines, Indonesia and Malaysia was due to an increase in mechanised fishing fleets. Moreover, marginal increases in the ecosystem indicators were attributed to increased exploitation of high and mid trophic level organisms suggesting the development of “top-down” cascade effect in the future. In this bioregion, land use pattern affecting water quality coupled with altered monsoonal sequences and rising sea surface temperatures interfere with biological processes. The most apparent manifestations of these disturbances are recurrences of extensive algal blooms and coral bleaching events. Fish mortality as a result of these events threatens to weaken the native biota and facilitate invasions that would modify the trophic dynamics of the coastal habitats.
Co-Authors Vinay P. Padate