First Report on The Occurrence of Cochlodinium Blooms in Sabah, Malaysia

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 c...

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Main Authors: Ann Anton, Datin, Peik Lin Teoh, Sitti Raehanah Muhamad Shaleh, Normawaty Mohammad Noor
Format: Article
Language:English
English
Published: 2008
Subjects:
Online Access:https://eprints.ums.edu.my/id/eprint/21526/1/First%20Report%20on%20The%20Occurrence%20of%20Cochlodinium%20Blooms%20in%20Sabah.pdf
https://eprints.ums.edu.my/id/eprint/21526/7/First%20Report%20on%20The%20Occurrence%20of%20Cochlodinium%20Blooms%20in%20Sabah%2C%20Malaysia%20fulltext.pdf
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author Ann Anton, Datin
Peik Lin Teoh
Sitti Raehanah Muhamad Shaleh
Normawaty Mohammad Noor
author_facet Ann Anton, Datin
Peik Lin Teoh
Sitti Raehanah Muhamad Shaleh
Normawaty Mohammad Noor
author_sort Ann Anton, Datin
collection UMS
description 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).
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spelling ums.eprints-215262021-06-30T14:10:28Z https://eprints.ums.edu.my/id/eprint/21526/ First Report on The Occurrence of Cochlodinium Blooms in Sabah, Malaysia Ann Anton, Datin Peik Lin Teoh Sitti Raehanah Muhamad Shaleh Normawaty Mohammad Noor QK Botany 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). 2008 Article PeerReviewed text en https://eprints.ums.edu.my/id/eprint/21526/1/First%20Report%20on%20The%20Occurrence%20of%20Cochlodinium%20Blooms%20in%20Sabah.pdf text en https://eprints.ums.edu.my/id/eprint/21526/7/First%20Report%20on%20The%20Occurrence%20of%20Cochlodinium%20Blooms%20in%20Sabah%2C%20Malaysia%20fulltext.pdf Ann Anton, Datin and Peik Lin Teoh and Sitti Raehanah Muhamad Shaleh and Normawaty Mohammad Noor (2008) First Report on The Occurrence of Cochlodinium Blooms in Sabah, Malaysia. Harmful Algae, 7. pp. 331-336. https://doi.org/10.1016/j.hal.2007.12.013
spellingShingle QK Botany
Ann Anton, Datin
Peik Lin Teoh
Sitti Raehanah Muhamad Shaleh
Normawaty Mohammad Noor
First Report on The Occurrence of Cochlodinium Blooms in Sabah, Malaysia
title First Report on The Occurrence of Cochlodinium Blooms in Sabah, Malaysia
title_full First Report on The Occurrence of Cochlodinium Blooms in Sabah, Malaysia
title_fullStr First Report on The Occurrence of Cochlodinium Blooms in Sabah, Malaysia
title_full_unstemmed First Report on The Occurrence of Cochlodinium Blooms in Sabah, Malaysia
title_short First Report on The Occurrence of Cochlodinium Blooms in Sabah, Malaysia
title_sort first report on the occurrence of cochlodinium blooms in sabah malaysia
topic QK Botany
url https://eprints.ums.edu.my/id/eprint/21526/1/First%20Report%20on%20The%20Occurrence%20of%20Cochlodinium%20Blooms%20in%20Sabah.pdf
https://eprints.ums.edu.my/id/eprint/21526/7/First%20Report%20on%20The%20Occurrence%20of%20Cochlodinium%20Blooms%20in%20Sabah%2C%20Malaysia%20fulltext.pdf
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