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An Unusual and Massive Bloom of Tetraselmis Sp. in the Valparaiso Bay, Chile

Author

Listed:
  • Marlene Pizarro

    (Centro de Investigación y Gestión de Recursos Naturales (CIGREN), Universidad de Valparaíso, Chile)

  • Rodolfo Iturriaga

    (Department of Biological Sciences, University of Southern California, USA)

  • Alejandro Silva

    (Department of Oceanografia Física, Universidad Católica de Valparaíso, Chile)

  • Sonia Gallegos

    (Naval Research Laboratory, Ocean Sciences, USA)

Abstract

An intense bloom of Tetraselmis sp., producing strong water discoloration was observed from December 28th of 2005 through January 10th of 2006 in the Valparaiso Bay (32º 57’S; 71º 33’W). Blooms of Tetraselmis sp. have never been reported in this bay, or along the coast of Chile. The confluence of a series of environmental conditions observed before and during the bloom such as: high solar radiation, anomalous UV radiation levels, high sea surface temperatures, water stratification and high nutrient concentrations may have contributed to the development of this unique event.

Suggested Citation

  • Marlene Pizarro & Rodolfo Iturriaga & Alejandro Silva & Sonia Gallegos, 2018. "An Unusual and Massive Bloom of Tetraselmis Sp. in the Valparaiso Bay, Chile," Oceanography & Fisheries Open Access Journal, Juniper Publishers Inc., vol. 7(4), pages 86-94, May.
    • Handle: RePEc:adp:jofoaj:v:7:y:2018:i:4:p:86-94
    DOI: 10.19080/OFOAJ.2018.07.555717
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