Relationship between mercury levels and diet in Azores seabirds. Monteiro, L., R., Granadeiro, J., P., & Furness, R., W. Marine Ecology Progress Series, 166(1):259-265, 1998. abstract bibtex Mercury concentrations were determined in feather and food samples from adults of 6 seabird species from the Azores archipelago. Mean concentrations ranged from 54 to 432 ng/g dry weight in food and 2.1 to 22.3 æg/g fresh weight in feather samples and were highly significantly and positively corrrelated. Significant seasonal differences in dietary mercury were also registered. Both feather and food mean concentrations were 4-fold higher in seabirds feeding on mesopelagic prey than in those feeding predominantly on epipelagic prey. Concentrations in feathers were 150 X those in food, which represents the highest methylmercury biomagnification factor reported for consumers in aquatic foodchains. These findings show that the inclusion of mesopelagic prey in seabir diet has an influence on mercury accumulation over and above that from trophic status and emphasises further the value of seabir feathers as monitors of the ecological hazards of mercury in marine ecosystems.
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title = {Relationship between mercury levels and diet in Azores seabirds},
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abstract = {Mercury concentrations were determined in feather and food samples from adults of 6 seabird species from the Azores archipelago. Mean concentrations ranged from 54 to 432 ng/g dry weight in food and 2.1 to 22.3 æg/g fresh weight in feather samples and were highly significantly and positively corrrelated. Significant seasonal differences in dietary mercury were also registered. Both feather and food mean concentrations were 4-fold higher in seabirds feeding on mesopelagic prey than in those feeding predominantly on epipelagic prey. Concentrations in feathers were 150 X those in food, which represents the highest methylmercury biomagnification factor reported for consumers in aquatic foodchains. These findings show that the inclusion of mesopelagic prey in seabir diet has an influence on mercury accumulation over and above that from trophic status and emphasises further the value of seabir feathers as monitors of the ecological hazards of mercury in marine ecosystems.},
bibtype = {article},
author = {Monteiro, L. R. and Granadeiro, J. P. and Furness, R. W.},
journal = {Marine Ecology Progress Series},
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