Distribution of Potentially Toxic Epiphytic Dinoflagellates in Saint Martin Island (Caribbean Sea, Lesser Antilles)

IF 1.4 4区生物学 Q3 MARINE & FRESHWATER BIOLOGY Cryptogamie Algologie Pub Date : 2020-04-23 DOI:10.5252/cryptogamie-algologie2020v41a7

Aurélie Boisnoir, Pierre-Yves Pascal, N. Chomérat, R. Lémée

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引用次数: 3

Abstract

ABSTRACT For the first time, distribution of epiphytic dinoflagellates was studied in Saint Martin Island (Lesser Antilles) during the cyclonic season (between September 1st and 3rd, 2015). The present study provides a semi-quantitative analysis because the fresh weight of each macrophyte was estimated around 10 g. The identified genera were: Ostreopsis J.Schmidt, Prorocentrum Ehrenberg, Coolia Meunier, Amphidinium Claperède & Lachmann, and Gambierdiscus Adachi & Fukuyo in order of decreasing abundance. Highest average abundance values of the genera Ostreopsis and Amphidinium were hosted by macrophytes of the Phaeophyceae class with c. 15 000 and 60 cells g–1 respectively. Epiphytic Coolia cells were mainly observed on seagrasses with the highest average abundance value of c. 1000 cells g–1 whereas the genera Gambierdiscus and Prorocentrum were most often associated with Florideophyceae with the highest average abundances of c. 70 and 1500 cells g–1 respectively. This preliminary study indicates the most relevant locations to survey the biodiversity of potentially toxic epiphytic dinoflagellates in Saint Martin Island.

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潜在毒性附生鞭毛藻在圣马丁岛(加勒比海、小安的列斯群岛)的分布

摘要首次研究了2015年9月1日至3日热带气旋季期间圣马丁岛(小安的列斯群岛)附生鞭毛藻的分布。本研究提供了半定量分析，因为每个大型植物的鲜重估计在10克左右。经鉴定的属依次为:Ostreopsis J.Schmidt、proorocentrum Ehrenberg、Coolia Meunier、Amphidinium claper & Lachmann、Gambierdiscus Adachi & Fukuyo。Ostreopsis属和Amphidinium属的平均丰度最高的寄主是Phaeophyceae类的大型植物，分别为1.5万和60个细胞g-1。附生Coolia细胞主要分布在海草上，平均丰度最高为0.1000 cells g-1，而Gambierdiscus属和proorocentrum属与Florideophyceae属最常见，平均丰度分别为0.70和1500 cells g-1。这一初步研究为调查圣马丁岛潜在毒性附生鞭毛藻的生物多样性提供了最合适的地点。

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来源期刊

Cryptogamie Algologie 生物-海洋与淡水生物学

CiteScore

2.60

自引率

7.70%

发文量

审稿时长

>12 weeks

期刊介绍： Cryptogamie is a fast-track and peer-reviewed journal of international scope publishing in English only. It accepts original papers and review articles on the taxonomy, biology and ecology of all cryptogams. An issue of Cryptogamie may be devoted to a single topic, under the responsibility of guest editor(s). All articles published in Cryptogamie are compliant with the different nomenclatural codes. A copyright assignment will be signed by the authors before publication. Cryptogamie, Algologie accepts articles on systematics as well as ecology and evolution of any kind of algae (including Cyanobacteria).