The spatio-temporal evolution of the genus Nitzschia Longissima at the level of the lagoon in Nador, MoroccoOuassila Riouchi, Faid El Madani, Eric Abadie, Ali Skalli and Mourad BaghourE3S Web Conf., 234 (2021) 00081DOI: https://doi.org/10.1051/e3sconf/202123400081