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Free Content Recruitment of barnacle larvae from the plankton

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Abstract:

Organisms with a planktonic stage in the life history have evolved a series of adaptations. First, oviposition, embryonic development and larval release need to be appropriately timed in relation to planktonic successions. This is more important in higher latitudes (e.g., Balanus balanoides). Secondly, the nauplius stages must be structurally equipped to feed on the available microplankton or must be endowed with sufficient energy at liberation and economize metabolically, so that at the cyprid stage they retain sufficient reserves to metamorphose and grow. Thirdly, between release and acquiring competence to settle, the succession of larval stages must disperse sufficiently to have reached new and varied habitats. The cyprid must then be able to home in on and recognize those habitats suitable for survival. This last requirement is especially well developed in the Cirripedia. In the Thoracica, most of which are obligate cross-copulating hermaphrodites, there is a clear need for con specific recognition which they have evolved to an astonishing degree. They present challenging problems in regard to recruitment.

Document Type: Research Article

Publication date: 1985-09-01

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  • The Bulletin of Marine Science is dedicated to the dissemination of high quality research from the world's oceans. All aspects of marine science are treated by the Bulletin of Marine Science, including papers in marine biology, biological oceanography, fisheries, marine affairs, applied marine physics, marine geology and geophysics, marine and atmospheric chemistry, and meteorology and physical oceanography.
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