Ann Anton, Datin and Teoh, Peik Lin and Sitti Raehanah Muhd. Shaleh, and Normawaty Mohamad Noor, (2008) First occurrence of Cochlodinium blooms in Sabah, Malaysia. Harmful Algae, Volume 7 (3). pp. 331-336. ISSN 1568-9883
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Official URL: http://dx.doi.org/10.1016/j.hal.2007.12.013
Harmful algal blooms (HABs) resulting in red discoloration of coastal waters in Sepanggar Bay, off Kota Kinabalu, Sabah, East Malaysia, were first observed in January 2005. The species responsible for the bloom, which was identified as Cochlodinium polykrikoides, coincided with fish mortalities in cage-cultures. Determinations of cell density between January 2005 and June 2006 showed two peaks that occurred in March–June 2005 and June 2006. Cell abundance reached a maximum value of 6 × 106 cells L−1 at the fish cage sampling station where the water quality was characterized by high NO3–N and PO4–P concentrations. These blooms persisted into August 2005, were not detected during the north–east monsoon season and occurred again in May 2006. Favorable temperature, salinity and nutrient concentrations, which were similar to those associated with other C. polykrikoides blooms in the Asia Pacific region, likely promoted the growth of this species. Identification of C. polykrikoides as the causative organism was based on light and scanning microscopy, and confirmed by partial 18S ribosomal DNA sequences of two strains isolated during the bloom event (GenBank accession numbers DQ915169 and DQ915170).
|Uncontrolled Keywords:||Cochlodinium polykrikoides, Fish kill, Harmful algal bloom, Sabah, Malaysia|
|Subjects:||?? QH77_T78J68 ??|
|Divisions:||SCHOOL > Biotechnology Research Institute (BRI)|
|Deposited By:||IR Admin|
|Deposited On:||24 Jun 2015 12:31|
|Last Modified:||24 Jun 2015 12:31|
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