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Settlement and Growth of the Pendunculate Barnacle Pollicipes polymerus Sowerby in an Intake Seawater System at the Scripps Institution of Oceanography, La Jolla, California
|Title:||Settlement and Growth of the Pendunculate Barnacle Pollicipes polymerus Sowerby in an Intake Seawater System at the Scripps Institution of Oceanography, La Jolla, California|
|Authors:||Hoffman, Daniel L.|
|Publisher:||University of Hawaii Press|
|Citation:||Hoffman DL. 1988. Settlement and growth of the pendunculate barnacle Pollicipes polymerus Sowerby in an intake seawater system at the Scripps institution of Oceanography, La Jolla, California. Pac Sci 42(3-4): 154-159.|
|Abstract:||Settlement and growth of the pedunculate barnacle Pollicipes
polymerus was studied within an intake seawater system at the Scripps Institution
of Oceanography, La Jolla, California. Over a 47-day period (SeptemberOctober
1983), following a thorough cleaning of this system, cypris larvae settled,
metamorphosed, and grew into juveniles with a mean size of 5.49 mm ±
2.32 SE rostro -carinal length, reaching a maximum size of 11 mm after 47
days. During this period, the barnacles were constantly immersed in seawater
at 20°e. Settlement plate experiments using terra-cotta tiles indicate that the
larvae preferentially sett le on scratched and pitted regions of the tile. Greatest
settlement and survival to 2-3-mm stages were seen on the peduncles and
capitula of adults affixed to tiles placed in the flume for 3 weeks. No settlement
of larvae was observed on the valves of mussels placed into the flume for the
same time period.
|Appears in Collections:||Pacific Science Volume 42, Numbers 3-4, 1988|
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