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  1. General assessment of the occurrence of keratinolytic fungi in river and marine beach sediments of Catalonian waters (Spain).

    Article - En anglais

    Sediments from 8 river mouths of the Catalonian coast (Spain) were examined for keratinolytic fungi.

    Out of 1250 river and marine samples examined, 499 (39.9%) were positive for these fungi.

    Aphanoascus fulvescens (anamorph+teleomorph), Chrysosporium keratinophilum, Ch. tropicum, Ch. an. of Arthroderma curreyi, Ch. pannicola, Ch. europae and Ch. indicum were the predominant species in the sediments.

    River samples were rich in keratinolytic fungi, whereas in marine beach sediments they occurred sporadically.

    The results of a preliminary experiment demonstrated that, marine water exerted a dramatical impact on river keratinolytic fungi causing their total or near-total elimination.

    The qualitative and quantitative compositions of river keratinolytic mycoflora depended on the degree of water contamination with sewage and on natural factors (mainly temperature).

    The keratinolytic mycoflora of two rivers was possibly altered dramatically by water contaminants, including poisons of industrial origin, and marine salinity.

    The problem of public health risk resulting from the distribution of keratinolytic fungi within the highly-frequented recreational waters is discussed.

    Mots-clés Pascal : Kératinophilie, Rivière, Plage, Sédiment marin, Espagne, Europe, Pollution eau, Température, Salinité, Fungi, Thallophyta, Facteur milieu, Qualité eau, Mer Méditerranée, Milieu marin, Catalogne

    Mots-clés Pascal anglais : Keratinophily, Rivers, Beaches, Marine sediments, Spain, Europe, Water pollution, Temperature, Salinity, Fungi, Thallophyta, Environmental factor, Water quality, Mediterranean Sea, Marine environment

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 97-0259419

    Code Inist : 002B30A02A. Création : 11/06/1997.