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Detecting and monitoring of coccolithophores blooms is increasingly important due to their significant role in ocean biogeochemistry and unique capacity for feedbacks to climate because of calcite carbon and DMS production and high reflectance. Application of remote sensing approach, based on dependence of water optical properties on coccolithophores/coccoliths abundance (particulate back scattering coefficient) , allows for tracing of coccolithophores dynamics at basin-wide scale enabling quantification of bloom ...

The potentially toxic genus Pseudo-nitzschia H.Peragallo, 1900 is common for the phytoplankton community in the Bulgarian part of the Black Sea often proliferating to bloom densities. The highly similar morphological features hamper the precise species discrimination by light microscopy and an accurate identification requires the application of more sophisticated methods. In this study we used genus specific large subunits ribosomal DNA (LSU rDNA) primer pair in order to elucidate the species diversity within Pseu...