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Rubinstein, Norman I. 1978. Effect of Sodium Pentachlorophenate on the Feeding Activity of the Lugworm, Arenicola cristata Stimpson. In: Pentachlorophenol: Chemistry, Pharmacology, and Environmental Toxicology. K. Ranga Rao, Editor. Plenum Press, New York, NY. Pp. 175-179. (ERL,GB X121).

A benthic bioassay utilizing time-lapse photography was used to measure the effect of four concentrations of Na-PCP (45, 80, 156 and 276 ug/l) on the feeding activity of Arenicola cristata. There was no marked effect on feeding activity at 45 ug/l. Na-Pcp significantly affected feeding activity at concentrations of 80, 156, and 276 ug/l. As the lugworm feeds, it mixes organic material and oxygenated water into the substrate. Inhibition of this activity could affect benthic community trophic structure and substrate-water column dynamics.

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