Growth and Nutrient Uptake Characteristics of Heterosigma akashiwo (Raphidophyceae) under Nitrogen and Phosphorus Concentrations in the East China Sea

Heterosigma akashiwo is classified as a harmful algal bloom (HAB) species that frequently occurs in eutrophic coastal waters and results in the contamination and mortality of fish and shellfish. The growth of H. akashiwo in four phosphate and nitrate concentrati...

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Autores principales:	Anqiang Yang, Richard G. J. Bellerby, Yanna Wang, Xiaoshuang Li
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	<i>Heterosigma akashiwo</i> HABs growth rate phytoplankton nutrients Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
Acceso en línea:	https://doaj.org/article/e9f73f8955f04e10b50e570567741696
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spelling	oai:doaj.org-article:e9f73f8955f04e10b50e5705677416962021-11-25T19:14:58ZGrowth and Nutrient Uptake Characteristics of <i>Heterosigma akashiwo</i> (Raphidophyceae) under Nitrogen and Phosphorus Concentrations in the East China Sea10.3390/w132231662073-4441https://doaj.org/article/e9f73f8955f04e10b50e5705677416962021-11-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/22/3166https://doaj.org/toc/2073-4441<i>Heterosigma akashiwo</i> is classified as a harmful algal bloom (HAB) species that frequently occurs in eutrophic coastal waters and results in the contamination and mortality of fish and shellfish. The growth of <i>H. akashiwo</i> in four phosphate and nitrate concentration scenarios, representing the observed nutrient concentration ranges in the East China Sea (ECS), was evaluated to further understand the effect of nutrient concentrations on <i>H. akashiwo</i> blooms. The specific growth rate in the exponential growth phase (µ′) and the maximum cell density were lower (17–21% and 41%, respectively) under low phosphorus concentration scenarios, compared to the rates observed under high phosphorus concentration scenarios. The cellular nitrogen-to-phosphorus ratios of <i>H. akashiwo</i> were influenced by the initially supplied N:P ratio and the allocation strategy employed. Phosphorus concentration had a greater influence on the total growth of <i>H. akashiwo</i> than nitrate did, within the natural nutrient conditions of the ECS. These results could serve as a reference for coastal water management and marine ecological management and may be useful for further studies on the simulation and prediction of <i>H. akashiwo</i> blooms, particularly in the ECS.Anqiang YangRichard G. J. BellerbyYanna WangXiaoshuang LiMDPI AGarticle<i>Heterosigma akashiwo</i>HABsgrowth ratephytoplanktonnutrientsHydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 3166, p 3166 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	<i>Heterosigma akashiwo</i> HABs growth rate phytoplankton nutrients Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
spellingShingle	<i>Heterosigma akashiwo</i> HABs growth rate phytoplankton nutrients Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Anqiang Yang Richard G. J. Bellerby Yanna Wang Xiaoshuang Li Growth and Nutrient Uptake Characteristics of <i>Heterosigma akashiwo</i> (Raphidophyceae) under Nitrogen and Phosphorus Concentrations in the East China Sea
description	<i>Heterosigma akashiwo</i> is classified as a harmful algal bloom (HAB) species that frequently occurs in eutrophic coastal waters and results in the contamination and mortality of fish and shellfish. The growth of <i>H. akashiwo</i> in four phosphate and nitrate concentration scenarios, representing the observed nutrient concentration ranges in the East China Sea (ECS), was evaluated to further understand the effect of nutrient concentrations on <i>H. akashiwo</i> blooms. The specific growth rate in the exponential growth phase (µ′) and the maximum cell density were lower (17–21% and 41%, respectively) under low phosphorus concentration scenarios, compared to the rates observed under high phosphorus concentration scenarios. The cellular nitrogen-to-phosphorus ratios of <i>H. akashiwo</i> were influenced by the initially supplied N:P ratio and the allocation strategy employed. Phosphorus concentration had a greater influence on the total growth of <i>H. akashiwo</i> than nitrate did, within the natural nutrient conditions of the ECS. These results could serve as a reference for coastal water management and marine ecological management and may be useful for further studies on the simulation and prediction of <i>H. akashiwo</i> blooms, particularly in the ECS.
format	article
author	Anqiang Yang Richard G. J. Bellerby Yanna Wang Xiaoshuang Li
author_facet	Anqiang Yang Richard G. J. Bellerby Yanna Wang Xiaoshuang Li
author_sort	Anqiang Yang
title	Growth and Nutrient Uptake Characteristics of <i>Heterosigma akashiwo</i> (Raphidophyceae) under Nitrogen and Phosphorus Concentrations in the East China Sea
title_short	Growth and Nutrient Uptake Characteristics of <i>Heterosigma akashiwo</i> (Raphidophyceae) under Nitrogen and Phosphorus Concentrations in the East China Sea
title_full	Growth and Nutrient Uptake Characteristics of <i>Heterosigma akashiwo</i> (Raphidophyceae) under Nitrogen and Phosphorus Concentrations in the East China Sea
title_fullStr	Growth and Nutrient Uptake Characteristics of <i>Heterosigma akashiwo</i> (Raphidophyceae) under Nitrogen and Phosphorus Concentrations in the East China Sea
title_full_unstemmed	Growth and Nutrient Uptake Characteristics of <i>Heterosigma akashiwo</i> (Raphidophyceae) under Nitrogen and Phosphorus Concentrations in the East China Sea
title_sort	growth and nutrient uptake characteristics of <i>heterosigma akashiwo</i> (raphidophyceae) under nitrogen and phosphorus concentrations in the east china sea
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/e9f73f8955f04e10b50e570567741696
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Growth and Nutrient Uptake Characteristics of <i>Heterosigma akashiwo</i> (Raphidophyceae) under Nitrogen and Phosphorus Concentrations in the East China Sea

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