BLOOMS OF TRICHODESMWM THIEBAUTII AND THEIR EFFECT ON EXPERIMENTAL PEARL CULTURE AT VEPPALODAI


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Authors

  • A Chellam Central Marine Fisheries Research Institute; Substation Tuticorin - 1
  • K Alagarswamy Central Marine Fisheries Research Institute; Substation Tuticorin - 1

Abstract

Blooms of the blue-green alga, Tricltodesmiiim thiebautii, were observed at
the pearl culture farm off Veppalodai in the Gulf of Mannar in March-April and
September, 1973. Although the alga occurred in high concentration, it did not
cause any unusual mortality of pearl oysters in the open-sea farm. However, a few
hu.ndreds of experimental oysters kept in bloom-laden water in the laboratory died
due to the death and decay of t'he algal filaments. It is pointed out that in a widespread
bloom situation, as in the present instance, work on pearl culture is hampered
as it is not possible to draw clear, bloom-free water for "seeding" operations

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Author Biographies

  • A Chellam, Central Marine Fisheries Research Institute; Substation Tuticorin - 1
    Central Marine Fisheries Research Institute; Substation Tuticorin - 1
  • K Alagarswamy, Central Marine Fisheries Research Institute; Substation Tuticorin - 1
    Central Marine Fisheries Research Institute; Substation Tuticorin - 1

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Issue

Vol. 25 No. 1 & 2 (1978)

Section

Note

License

The copyright of the articles published in Indian Journal of Fisheries vests with the Indian Council of Agricultural Research, who has the right to enter into any agreement with any organization in India or abroad engaged in reprography, photocopying, storage and dissemination of information contained in these journals. The Council has no objection in using the material, provided the information is being utilized for academic purpose but not for commercial use. Due credit line should be given to the ICAR where information will be utilized.

How to Cite

Chellam, A., & Alagarswamy, K. (2011). BLOOMS OF TRICHODESMWM THIEBAUTII AND THEIR EFFECT ON EXPERIMENTAL PEARL CULTURE AT VEPPALODAI. Indian Journal of Fisheries, 25(1 & 2), 237-239. https://epubs.icar.org.in/index.php/IJF/article/view/12106