The first benthic harmful dinoflagellate bloom in China: Morphology and toxicology of Prorocentrum concavum.

Benthic harmful algae bloom Morphology Phylogenetic analysis Prorocentrum concavum Toxicity assessments

Journal

Marine pollution bulletin
ISSN: 1879-3363
Titre abrégé: Mar Pollut Bull
Pays: England
ID NLM: 0260231

Informations de publication

Date de publication:
Sep 2020
Historique:
received: 07 12 2019
revised: 19 05 2020
accepted: 21 05 2020
pubmed: 23 6 2020
medline: 7 8 2020
entrez: 23 6 2020
Statut: ppublish

Résumé

More frequent events and geographic expansion of benthic harmful algal blooms have been reported in recent years. An unexpected bloom of benthic P. concavum occurred in Xincun Bay, Hainan Island, the South China Sea was monitored in August 2018. Species identification, toxin analysis and toxicity test were conducted in the study. Quantitative study revealed that P. concavum had a high cell density on the surface of substrates and in water column. The bloom forming species was identified based on the morphology and phylogeny. Toxin analysis indicated that there were no detectable DSP toxins either in algae or in shellfish samples. The result of toxicity test revealed that the extracts of P. concavum caused the mortality of brine shrimp larvae (Artemia salina). The results from this study may provide more insight into the rising threats of harmful dinoflagellate blooms to marine benthic ecosystems.

Identifiants

pubmed: 32568087
pii: S0025-326X(20)30431-8
doi: 10.1016/j.marpolbul.2020.111313
pii:
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

111313

Informations de copyright

Copyright © 2020 Elsevier Ltd. All rights reserved.

Auteurs

Jian Zou (J)

Research Center of Harmful Algae and Marine Biology, Jinan University, Guangzhou 510632, China; Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, Jinan University, Guangzhou 510632, China.

Qun Li (Q)

Research Center of Harmful Algae and Marine Biology, Jinan University, Guangzhou 510632, China; Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, Jinan University, Guangzhou 510632, China.

Songhui Lu (S)

Research Center of Harmful Algae and Marine Biology, Jinan University, Guangzhou 510632, China; Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, Jinan University, Guangzhou 510632, China; Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai, China. Electronic address: lusonghui1963@163.com.

Yuelei Dong (Y)

Research Center of Harmful Algae and Marine Biology, Jinan University, Guangzhou 510632, China; Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, Jinan University, Guangzhou 510632, China.

Heng Chen (H)

Research Center of Harmful Algae and Marine Biology, Jinan University, Guangzhou 510632, China; Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, Jinan University, Guangzhou 510632, China.

Chengzhi Zheng (C)

Research Center of Harmful Algae and Marine Biology, Jinan University, Guangzhou 510632, China; Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, Jinan University, Guangzhou 510632, China.

Lei Cui (L)

Research Center of Harmful Algae and Marine Biology, Jinan University, Guangzhou 510632, China; Key Laboratory of Eutrophication and Red Tide Prevention of Guangdong Higher Education Institutes, Jinan University, Guangzhou 510632, China. Electronic address: leicui@jnu.edu.cn.

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