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A review on the Bloom Dynamics of a Harmful Dinoflagellate Prorocentrum minimum in the Golden Horn Estuary

Year 2011, Volume: 11 Issue: 4, - , 01.08.2011

Abstract

The potentially harmful and bloom-forming dinoflagellate Prorocentrum minimum (Pavillard, 1916) Schiller, 1933 was followed monthly during four years in the Golden Horn Estuary (GHE). Simultaneously measured some environmental variables including salinity, temperature, dissolved oxygen, inorganic nutrient and chlorophyll a concentrations were evaluated together with P. minimum data. The density of this species increased mostly in late spring and summer during three years and caused two significant blooms in July 2000 and July 2001. Environmental conditions which triggered these bloom events were considered during whole study period. Blooms have mostly occurred in middle and upper estuary where water movements are insufficient (salinity 15.2-18.5 psu, temperature 19.0-24.2°C). The cell density of P. minimum reached to 5.5 × 106 cells L-1 at the early stage of the first bloom, and after two weeks, it reached to highest level of 70.0 × 106 cells L-1. Cell density was calculated as 36.0 × 106 cells L-1 at the second bloom in July 2001. Dissolved oxygen value reached to super saturation (29.0 mg L-1) and chlorophyll a concentration was measured as 200 µg L-1 in July 2000. Inorganic nutrient concentrations were lower than before bloom periods. The results appeared that P. minimum could well develop at the high temperature and moderate salinity under the calm weather in nutrient-rich estuarine environment.

A review on the Bloom Dynamics of a Harmful Dinoflagellate Prorocentrum minimum in the Golden Horn Estuary

Year 2011, Volume: 11 Issue: 4, - , 01.08.2011

Abstract

The potentially harmful and bloom-forming dinoflagellate Prorocentrum minimum (Pavillard, 1916) Schiller, 1933 was followed monthly during four years in the Golden Horn Estuary (GHE). Simultaneously measured some environmental variables including salinity, temperature, dissolved oxygen, inorganic nutrient and chlorophyll a concentrations were evaluated together with P. minimum data. The density of this species increased mostly in late spring and summer during three years and caused two significant blooms in July 2000 and July 2001. Environmental conditions which triggered these bloom events were considered during whole study period. Blooms have mostly occurred in middle and upper estuary where water movements are insufficient (salinity 15.2-18.5 psu, temperature 19.0-24.2°C). The cell density of P. minimum reached to 5.5 × 106 cells L-1 at the early stage of the first bloom, and after two weeks, it reached to highest level of 70.0 × 106 cells L-1. Cell density was calculated as 36.0 × 106 cells L-1 at the second bloom in July 2001. Dissolved oxygen value reached to super saturation (29.0 mg L-1) and chlorophyll a concentration was measured as 200 µg L-1 in July 2000. Inorganic nutrient concentrations were lower than before bloom periods. The results appeared that P. minimum could well develop at the high temperature and moderate salinity under the calm weather in nutrient-rich estuarine environment.

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Details

Primary Language Turkish
Journal Section Articles
Authors

Seyfettin Taş This is me

Erdoğan Okuş This is me

Publication Date August 1, 2011
Published in Issue Year 2011 Volume: 11 Issue: 4

Cite

APA Taş, S., & Okuş, E. (2011). A review on the Bloom Dynamics of a Harmful Dinoflagellate Prorocentrum minimum in the Golden Horn Estuary. Turkish Journal of Fisheries and Aquatic Sciences, 11(4).
AMA Taş S, Okuş E. A review on the Bloom Dynamics of a Harmful Dinoflagellate Prorocentrum minimum in the Golden Horn Estuary. Turkish Journal of Fisheries and Aquatic Sciences. August 2011;11(4).
Chicago Taş, Seyfettin, and Erdoğan Okuş. “A Review on the Bloom Dynamics of a Harmful Dinoflagellate Prorocentrum Minimum in the Golden Horn Estuary”. Turkish Journal of Fisheries and Aquatic Sciences 11, no. 4 (August 2011).
EndNote Taş S, Okuş E (August 1, 2011) A review on the Bloom Dynamics of a Harmful Dinoflagellate Prorocentrum minimum in the Golden Horn Estuary. Turkish Journal of Fisheries and Aquatic Sciences 11 4
IEEE S. Taş and E. Okuş, “A review on the Bloom Dynamics of a Harmful Dinoflagellate Prorocentrum minimum in the Golden Horn Estuary”, Turkish Journal of Fisheries and Aquatic Sciences, vol. 11, no. 4, 2011.
ISNAD Taş, Seyfettin - Okuş, Erdoğan. “A Review on the Bloom Dynamics of a Harmful Dinoflagellate Prorocentrum Minimum in the Golden Horn Estuary”. Turkish Journal of Fisheries and Aquatic Sciences 11/4 (August 2011).
JAMA Taş S, Okuş E. A review on the Bloom Dynamics of a Harmful Dinoflagellate Prorocentrum minimum in the Golden Horn Estuary. Turkish Journal of Fisheries and Aquatic Sciences. 2011;11.
MLA Taş, Seyfettin and Erdoğan Okuş. “A Review on the Bloom Dynamics of a Harmful Dinoflagellate Prorocentrum Minimum in the Golden Horn Estuary”. Turkish Journal of Fisheries and Aquatic Sciences, vol. 11, no. 4, 2011.
Vancouver Taş S, Okuş E. A review on the Bloom Dynamics of a Harmful Dinoflagellate Prorocentrum minimum in the Golden Horn Estuary. Turkish Journal of Fisheries and Aquatic Sciences. 2011;11(4).