Polychlorinated Biphenyls and Toxaphene in Pacific Tree Frog

Abstract

Pacific tree frog (Hyla regilla) tadpoles were collected throughout the &em Nevada mountain range, California, USA, in 1996 and 1997 and analyzed for the presence of polychlorinated biphenyls (PCBs) and toxaphene. Whole-tadpole 2 PCB levels ranged from 244 nglg wet wt) at lower elevations on the western slope to' 1.6 idg high on the eastern slope, whereas T… (More)

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