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Seasonal variation and background levels of heavy metals in two green seaweeds.
The concentrations of these three metals in both macroalgae and of Cr in Enteromorpha were highest at those sites most influenced by inputs from rivers, and the background levels of Cr, Cu, Ni and Zn in the algae in summer and winter were established.
Moss bag biomonitoring: a methodological review.
A protocol is proposed that will enable each of the variables associated with preparation of the moss and moss bags, exposure of the bags, and post-exposure treatment to be investigated separately, with the final aim of developing a standardized methodology.
Nitrogen concentrations in mosses indicate the spatial distribution of atmospheric nitrogen deposition in Europe.
The total nitrogen concentrations in mosses complement deposition measurements, helping to identify areas in Europe at risk from high nitrogen deposition at a high spatial resolution.
An extended study of heavy metal deposition in Galicia (NW Spain) based on moss analysis.
It is demonstrated that the highest levels of elements were found in the most heavily industrialised and populated areas of Galicia, possibly due to agricultural and industrial activities.
Influence of watershed lithology on heavy metal levels in estuarine sediments and organisms in Galicia (North-West Spain)
Abstract The possible influence of watershed lithology on metal levels in estuarine sediments and organisms (macroalgae, phanerogams, molluscs and polychaetes) in Galicia (north-west Spain) was
Use of Raptors for Biomonitoring of Heavy Metals: Gender, Age and Tissue Selection
The concentrations of cadmium, mercury and lead were determined in liver, kidney and feathers of Accipiter gentilis, Buteo buteo and Strix aluco. No significant differences in the concentrations of
Use of native and transplanted mosses as complementary techniques for biomonitoring mercury around an industrial facility.
The study illustrated that the native moss appeared to adapt to the surrounding environment because at an equal distance (> 500 m) from the source of emission the value of the CF for native mosses fell to 1, but the EF for transplanted mosses remained still high (5.2).
Regional-scale monitoring of coastal contamination. Nutrients and heavy metals in estuarine sediments and organisms on the coast of Galicia (northwest Spain)
We determined background levels of heavy metals in sediments and biota of estuarine environments and nutrient reference levels in sediments of the Galician coast. This region is characterised by
A comparison of indigenous mosses and topsoils for use in monitoring atmospheric heavy metal deposition in Galicia (northwest Spain).
By comparing contamination factors of metals in moss and soil fraction samples, it is found that moss samples were more useful for evaluating the degree of contamination at different sites.
Biomonitoring of metal deposition in northern Spain by moss analysis.
The results of the first survey carried out in northern Spain to determine atmospheric deposition of metals by analysis of terrestrial mosses, are described. Samples of different mosses, mainly