Phenotypic variation in<i>Fucus spiralis</i>(Phaeophyceae): morphology, chemical phenotype and their relationship to the environment

Mercury has been considered as one of the most important pollutants in coastal and estuarine areas. Efforts have been made to detect, as early as possible, the effects of this and other metals in several species. Macroalgae, particularly Fucus spp., have been widely used as biomonitors of metal pollution. In this study, three Fucus species (F. spiralis, F. vesiculosus and F. ceranoides) were collected from several sampling sites in Portugal. The concentrations of mercury were determined in three structural parts (holdfast, stipe and receptacles). Two different techniques were used to determine mercury concentrations. Almost all mercury concentrations (in sediments and in water) were below national and international standards. Mercury concentration in the specimens (0.012-0.061 microg g(-1) for receptacles, 0.028-0.221 microg g(-1) for stipe and 0.029-0.287 microg g(-1) for holdfast) was always higher that those obtained for the sediment (0.001-0.112 microg g(-1)). With few exceptions the contrary was found for receptacles. In general, a good agreement between concentrations of mercury in sediment and Fucus was found. The results indicate that Fucus accumulate mercury and may be a suitable species for use in risk assessment for coast and estuarine areas, by providing valuable information regarding the levels of mercury that will be available for the consumers of Fucus spp.

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Fucus spp. as a Mercury Contamination Bioindicator in Costal Areas (Northwestern Portugal)

Cairrão

Pereira

Pastorinho

et al. 2007

Bull Environ Contam Toxicol

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et al. 2003

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Differences in kelp morphology between wave sheltered and exposed localities: morphologically plastic or fixed traits?

2005

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Phenotypic variation inFucus spiralis(Phaeophyceae): morphology, chemical phenotype and their relationship to the environment

Cited by 18 publications

References 7 publications

Fucus spp. as a Mercury Contamination Bioindicator in Costal Areas (Northwestern Portugal)

Fucus spp. as a Mercury Contamination Bioindicator in Costal Areas (Northwestern Portugal)

Morphology of Ecklonia radiata (Phaeophyta: Laminarales) along its geographic distribution in south-western Australia and Australasia

Differences in kelp morphology between wave sheltered and exposed localities: morphologically plastic or fixed traits?

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