The sampling sites in the study area.
<p>(a, Lianshan River upstream of Huludao Zinc Smelter (n = 4); b, Wuli River upstream of Huludao Zinc Smelter (n = 5); c, Converged river Downstream of Huludao Zinc Smelter (n = 3); d, Estuary (n = 4); e, Jinzhou Bay (n = 25)).</p
Chemistry, Ecology, sampling, sites
DOI identifier: 10.1371/journal.pone.0039690.g001
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