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Title: A Brief Description of a Subtidal Sabellariid (Polychaeta) Reef on the Southern Oregon Coast 
Author: Posey, Martin H.; Pregnall, A Marshall; Graham, Robert A.
Date: 1984-01
Publisher: University of Hawai'i Press
Citation: Posey MH, Pregnall AM, Graham RA. 1984. A brief description of a subtidal sabellariid (polychaeta) reef on the southern Oregon coast. Pac Sci 38(1): 28-33.
Abstract: The occurrence of a reef patch of tube-building polychaetes
(Sabellariidae) is noted from the southern Oregon coast. The vast majority of the
individuals in the reef are small Sabellaria cementarium. Larger S. cementarium,
a second species of Idanthyrsus ornamentatus, and the ampharetid Schistocomus
hi/toni are also common, occurring both as solitary individuals and as small
monospecific clumps of individuals mixed in with the small Sabellaria. The reef
extends between 6 m and 10 m below mean sea level (MSL) and is attached to the
sandstone bedrock along the subtidal extension of a sea cliff. Measurements of
worm abundances and distributions, and observations of larger associated organisms,
were performed using SCUBA. Smaller associated fauna were studied
from cores taken in the tube matrix. The authors suggest that the structured
habitat provided by the worm-tube matrix permits a larger than usual species
diversity to occur in the area.
ISSN: 0030-8870

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