Mercury and selenium accumulation in the Colorado River food web, Grand Canyon, USA.

Abstract

Mercury (Hg) and selenium (Se) biomagnify in aquatic food webs and are toxic to fish and wildlife. The authors measured Hg and Se in organic matter, invertebrates, and fishes in the Colorado River food web at sites spanning 387 river km downstream of Glen Canyon Dam (AZ, USA). Concentrations were relatively high among sites compared with other large rivers… (More)
DOI: 10.1002/etc.3077

Topics

6 Figures and Tables

Blog articles referencing this paper

Slides referencing similar topics