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Free Content Diet of the Polychaete Lumbrineris Tetraura (Schmarda) (Lumbrineridae) in a Polluted Soft-Bottom Environment

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Abstract:

Gut contents of the polychaete, Lumbrineris tetraura (Schmarda), from polluted subtidal sediments at Talcahuano, Chile, showed that this species is a carnivore, feeding selectively on polychaete worms. Analysis of the actual food items available to worms, or resource availability, indicated that a carnivorous polychaete, Sthenelais helenae (Sigalionidae), was a frequent, highly selected and significantly preferred prey. Low species diversity and high species dominance values characterized the local benthic infauna from these polluted sediments. L. tetraura constituted about 68 and 91% of the biomass of the sampled benthic macrofauna in 1980 and 1982 respectively.

Document Type: Research Article

Publication date: 1988-05-01

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