Abstract

Aquatic bryophytes have been widely used as bioindicators since the 70s. Due to their ability to accumulate pollutants, they give information about past and present pollution events. Nowadays, they are commonly used to assess trace metal contamination in continental waters. Using a cultured transplanted moss will permit to improve this technique by standardizing the method (same species and strains, same zero value, etc) and ensure the comparison and repeatability of the results. Although a moss strain of the species Fontinalis antipyretica Hedw. has been cultured successfully for 2 years, the main difficulty consists in obtaining biomass as quick as possible and consequently to find parameters which influence the moss growth. Prior to make a diagnosis tool to assess metal contamination in continental waters, different calibrations remain to be carried out to improve this method, but the results so far obtained encourage in this way.

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