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Optimization of sampling, cell collection and counting for the monitoring of benthic harmful algal blooms: Application to Ostreopsis spp. blooms in the Mediterranean Sea ArchiMer
Jauzein, Cecile; Acaf, Laury; Accoroni, Stefano; Asnaghi, Valentina; Fricke, Anna; Hachani, Mohamed Amine; Saab, Marie Abboud-abi; Chiantore, Mariachiara; Mangialajo, Luisa; Totti, Cecilia; Zaghmouri, Imen; Lemee, Rodolphe.
Toxic blooms of Ostreopsis spp. are greatly challenging to monitor due to the complexity and variability of cell repartition among benthic and pelagic compartments. This results in marked differences in employed methodologies for the survey of their dynamics and hampers the definition of the associated toxic risk. The present study aims at testing and improving common methodologies used for sampling, processing and counting of field samples. It contributes to the identification of the most suitable strategies for the monitoring and mitigation of Ostreopsis blooms in coastal waters. For a sampling based on the collection of macrophytes, the role of the fixative addition and of agitation steps in the efficiency of epiphytic cell collection was defined. For...
Tipo: Text Palavras-chave: Patchiness; Macrophyte substrate; Artificial substrate; Recommendations for monitoring.
Ano: 2018 URL:
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