Ecological risk assessment of polychlorinated biphenyl contamination in the Mai Po Marshes Nature Reserve, Hong Kong

aquatic environment aquatic organisms bifenilos policlorados contamination fish macrobrachium macrobrachium nipponense metapenaeus metapenaeus ensis milieu aquatique mugil cephalus oreochromis oreochromis mossambicus organisme aquatique pescado poisson (aliment) pollution de l'eau pollution du sol polychlorinated biphenyls riesgo risk risk assessment risque sediment sedimento soil pollution water pollution