Ontology highlight
ABSTRACT:
SUBMITTER: Williams N
PROVIDER: S-EPMC4854279 | biostudies-literature | 2015 Nov
REPOSITORIES: biostudies-literature
Marine pollution bulletin 20150901 1
The concentration and distribution of Cd, Cr, Cu, Fe, Mn, Ni, Pb, and Zn were investigated in three sediment cores representing 100-150years of accumulation in upriver, midriver, and estuarine environments in Río Espíritu Santo (RES), Puerto Rico. Grain-size distribution, organic matter and carbonate content were determined to assess their influence on metal concentrations. Minimum biotoxicity levels of Ni and Cu were exceeded in the upriver and midriver sites, while the minimum biotoxicity leve ...[more]