Bioaccumulation of lead, mercury, and cadmium in the greater white-toothed shrew, Crocidura russula, from the Ebro Delta (NE Spain): sex- and age-dependent variation. Export

@article{citeulike:3177117, abstract = {We quantified bioaccumulation of lead, mercury, and cadmium in bones from 105 greater white-toothed shrews (Crocidura russula) collected at the Ebro Delta, a polluted area, and the Medas Islands, a control site. Lead and mercury levels varied with site, age, and sex, although statistical significances depended on each factor. Globally, shrews from the polluted area exhibited significantly higher concentrations of Pb and Hg. Increment of Pb with age was particularly remarkable in wetland animals and was interpreted in relation to human activities, namely hunting. Unlike males, females from the Ebro Delta maintained low Hg levels, which were associated with gestation and lactation. Cadmium levels did not differ between sites, sexes, or ages. This study provides the first data on heavy metals in mammals from this wetland and suggests that C. russula is a good bioindicator of metal pollution. We concluded that sex and age may represent an important source of variation in the bioaccumulation of these metals in wild populations.}, address = {Departament de Biologia Animal (Vertebrats), Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal 645, 08028 Barcelona, Spain. a.sanchez.chardi@ub.edu}, author = {S\'{a}nchez-Chardi, A. and L\'{o}pez-Fuster, M. J. and Nadal, J.}, citeulike-article-id = {3177117}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/j.envpol.2006.02.033}, citeulike-linkout-1 = {http://view.ncbi.nlm.nih.gov/pubmed/16777291}, citeulike-linkout-2 = {http://www.hubmed.org/display.cgi?uids=16777291}, doi = {10.1016/j.envpol.2006.02.033}, issn = {0269-7491}, journal = {Environmental pollution (Barking, Essex : 1987)}, keywords = {bioaccumulation, cadmium, lead, mercury}, month = {January}, number = {1}, pages = {7--14}, posted-at = {2008-08-31 22:22:37}, priority = {3}, title = {Bioaccumulation of lead, mercury, and cadmium in the greater white-toothed shrew, Crocidura russula, from the Ebro Delta (NE Spain): sex- and age-dependent variation.}, url = {http://dx.doi.org/10.1016/j.envpol.2006.02.033}, volume = {145}, year = {2007} }

TY - JOUR ID - citeulike:3177117 L3 - citeulike-article-id:3177117 N2 - We quantified bioaccumulation of lead, mercury, and cadmium in bones from 105 greater white-toothed shrews (Crocidura russula) collected at the Ebro Delta, a polluted area, and the Medas Islands, a control site. Lead and mercury levels varied with site, age, and sex, although statistical significances depended on each factor. Globally, shrews from the polluted area exhibited significantly higher concentrations of Pb and Hg. Increment of Pb with age was particularly remarkable in wetland animals and was interpreted in relation to human activities, namely hunting. Unlike males, females from the Ebro Delta maintained low Hg levels, which were associated with gestation and lactation. Cadmium levels did not differ between sites, sexes, or ages. This study provides the first data on heavy metals in mammals from this wetland and suggests that C. russula is a good bioindicator of metal pollution. We concluded that sex and age may represent an important source of variation in the bioaccumulation of these metals in wild populations. IS - 1 JF - Environmental pollution (Barking, Essex : 1987) SN - 0269-7491 AD - Departament de Biologia Animal (Vertebrats), Facultat de Biologia, Universitat de Barcelona, Avinguda Diagonal 645, 08028 Barcelona, Spain. a.sanchez.chardi@ub.edu EP - 14 TI - Bioaccumulation of lead, mercury, and cadmium in the greater white-toothed shrew, Crocidura russula, from the Ebro Delta (NE Spain): sex- and age-dependent variation. VL - 145 SP - 7 KW - bioaccumulation KW - cadmium KW - lead KW - mercury AU - Sánchez-Chardi, A AU - López-Fuster, MJ AU - Nadal, J PY - 2007/01// UR - http://dx.doi.org/10.1016/j.envpol.2006.02.033 ER -