E3S Web Conf.
Volume 314, 2021The 6th edition of the International Conference on GIS and Applied Computing for Water Resources (WMAD21)
|Number of page(s)||5|
|Section||Agriculture, Soil and Blue Growth|
|Published online||26 October 2021|
Pseudo-Nitzschia sp (Bacillariophyceae), seasonal distribution in the lagoon of Nador (Morroco)
OLMAN-RL, Nador Multidisciplinary Faculty (FPN), Mohamed 1st University, Nador, Morocco.
2 INRH-Nador Regional Center, 13 Boulevar Zerktouni BP: 493, Nador, Morocco.
3 Ifremer, Laboratoire Environnement Ressources du Languedoc-Roussillon, Centre for Marine Biodiversity, Exploitation and Conservation (MARBEC), CS30171 Sète Cedex 03 34200, France.
* Corresponding author: Ouassila.email@example.com
The goal of this study is to look into the dominance of diatoms, specifically the genus “Pseudo-Nitzschia Sp” at the Nador lagoon level and how it relates to the physicochemical parameters of the environment. From the four sampling stations and for two seasons (spring and summer 2018). This diatom of the genus “Pseudo-Nitzschia Sp” includes toxic species capable of producing domoic acid (DA), a neurotoxin responsible for amnesic intoxication syndrome in humans. During sampling, the species “PseudoNitzschia Sp” showed variable cell densities between stations and seasons. The dominate microalgae were observed during the spring period with a maximum concentration of (4000 Cells / l). And a low viscosity during the summer seasons (140 Cells / l).
© The Authors, published by EDP Sciences, 2021
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