1.  Ecological Aspect of Manakudy Estuary – Dr N Arumugam
  2.  Chapter-1 Introduction – Ecological Aspect of Manakudy Estuary – Dr N Arumugam
  3.  Chapter-2-Dissolved-Nutrients-Manakudy-Estuary
  4.  Chapter-3 Primary Production – Manakudy Estuary
  5.  Chapter-4 Plankton Manakudy Estuary
  6.  Chapter-5 Benthic Ecology – Manakudy Estuary
  7.  Chapter-6 Summary Manakudy Estuary
  8.  Reference