Hydrobiologia

, Volume 247, Issue 1–3, pp 77–86 | Cite as

Microphytoplankton of the Pitchavaram mangals, southeast coast of India: species composition and population density

  • L. Kannan
  • K. Vasantha
Status, primary productivity and taxonomy of mangroves, seagrasses and algae

Abstract

Species richness of phytoplankton of the Pitchavaram mangals was high. There were 82 species constituted by 67 species of diatoms, 12 species of dinoflagellates and 3 species of bluegreen algae. The diatoms formed the bulk with 72% followed by the dinoflagellates with 15%, in which there were autochthonous (temporary and permanent) and allochthonous forms. Phytoplankton population density exhibited a wide seasonal fluctuation with the minimum during monsoon and the maximum during summer, suggesting the possible differential influence of various environmental factors.

Key words

Microphytoplankton Pitchavaram mangals species composition population density 

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Copyright information

© Kluwer Academic Publishers 1992

Authors and Affiliations

  • L. Kannan
    • 1
  • K. Vasantha
    • 1
  1. 1.CAS in Marine BiologyAnnamalai UniversityParangipettaiIndia

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