| risk assessment of heavy metal contamination in shrimp farming in mai po nature reserve, hong kong. | an ecological survey was carried out to determine the sediment concentrations of nutrients and heavy metals and bioaccumulation of heavy metals in fish and shrimp including tilapia (oreochromis mossambicus x o. nilotica), grey mullet (mugil cephalus), gei wai shrimp (metapenaeus ensis) and caridean shrimp (macrobrachium nipponensis) in the traditional tidal shrimp ponds (gei wais) of mai po nature reserve, hong kong. the sediments collected from the landward sites contained higher nutrient conte ... | 2006 | 16528597 |