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“... Two sediment cores were collected at a contaminated site of the North Channel in the Tagus...”
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“... to profiles in non-vegetated sediments. The same vertical distribution pattern was observed in all situations...”
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“... and minima with the depth. We interpreted these profiles as the net result of dissolved oxygen being pumped...”
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“... Silicates, nitrates, phosphates, chlorophyll a and primary productivity were monitored at low...”
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“...Concentrations of 16 PCB congeners, pp'-DDT and its metabolites (DDE and DDD) and lipid content...”
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