| heavy metals in sediments and lobster (panulirus gracilis) from the discharge area of the submarine sewage outfall in mazatlán bay (se gulf of california). | concentrations of selected heavy metals in lobster (panulirus gracilis) tissues and sediments (bulk and bioavailable fractions) from an area influenced by sewage discharge in mazatlán bay were determined. cd, cu, fe, pb, and zn in the sediments showed enrichment factors higher than one related to the discharge and were higher than the lower values of the sediment quality guidelines proposed by noaa and ccme. in addition to the high levels, relatively high bioavailability in the sediments was est ... | 2004 | 15253046 |