Dinophysis and Phalacroma species containing diarrheic shellfish toxins and pectenotoxins occur in coastal temperate waters all year round and prevent the harvesting of mussels during several months each year in regions in Europe, Chile, Japan, and New Zealand. Toxicity varies among morphologically similar species, and a precise identification is needed for early warning systems. Molecular tech...

Algae are simple photosynthetic eukaryotes which—owing to their colonization of the oceans—are responsible for up to 50% of the planet’s atmospheric carbon fixation (22). They comprise a diverse group that can broadly be defined as unicellular (microalgae) or multicellular (macroalgae) photosynthetic organisms that lack roots, stems, leaves, conducting vessels, and complex sex organs (55). A si...

Community approaches to investigating ocean acidification (OA) effects suggest a high tolerance of microand mesozooplankton to carbonate chemistry changes expected to occur within this century. Plankton communities in the coastal areas of the Baltic Sea frequently experience pH variations partly exceeding projections for the near future both on a diurnal and seasonal basis. We conducted a large...

Influence of heavy metals as zinc and iron with concentrations 50 100 mg/L on dynamics the cells abundance, morphology, fluorescence chlorophyll a, green autofluorescence is examined for microalgae Prorocentrum foraminosum . The impact was measured 3 rd 7 th days experiment. Both elements in concentration above maximum permissible levels reduce number, higher Fe 3+ However, caused no changes st...

Analysis of water such as river and lakes can provide an insight into their composition potential impact on the environment. Nsit Ubium River is a fresh body that flows through urban areas in Akwa Ibom state. The locals attached lot socio-economic importance to river, result this humans generated pollutants find way it. Researching autecology microalgae algae sample were collected from for peri...