Abstract

BEN CHEKROUN, K et al. Rol de las macroalgas en el biomonitoreo de la contaminación en «Marchica», la laguna de Nador. Phyton (B. Aires) [online]. 2013, vol.82, n.1, pp.31-34. ISSN 1851-5657.

The Aquatic system contamination by organic pollutants and heavy metals is one of the most serious problems that might face the environment and organisms as a whole. Interestingly, the accumulation of these pollutants is due to the anthropogenic activity, namely the intensive use of fertilizers to obtain high yields in crop production. In this paper, we compared the levels of chlorophylls, proteins, dry weight and sucrose in some red (Alsidium sp. and Gracilaria sp.) and green algae (Ulva sp.) collected from Mohandis, near Kariat and Bou Areg. Our results indicate that the algae collected nearby Bou Areg, an area well-known for its high agricultural activity, contained high levels of pigments, proteins and sugars. From the chlorophyll results, we conclude that Ulva sp. is the best indicator for eutrophication biomonitoring. Nevertheless, the Gracilaria sp. can be used in phytoremediation due to its high carbohydrate synthesis that makes it much more pollutant resistant.

Keywords : Algae; Biomonitoring; Carbohydrates; Nador lagoon; Phytoremediation; Pigments; Pollution; Proteins.

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