Ecological patterns in the development, settlement and recruitment of archaeogastropods from the Oregon coast

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dc.contributor.authorKay, Matthew Curry, 1973-
dc.date.accessioned2009-11-02T18:49:04Z
dc.date.available2009-11-02T18:49:04Z
dc.date.issued2001
dc.descriptionTypescript. Includes vita and abstract. Bibliography: Includes bibliographical references (leaves 114-132). Description: xiii, 132 leaves : ill. (some col.), charts ; 29 cm.en_US
dc.description.abstractLarvae of the limpets Lottia digitalis and LOffia asmi, as well as larvae of the flat abalone Halioits walallensis. develop into lecithotrophic veliger larvae and settle into benthic habitat after a breif planktonic stage. Larvae of 1. digitalis settled and metamorphosed upon rocky substrata, as well as the barnacle P. polymerus, collected from an adult habitat high in the rocky intertidal. In contrast, substrata from mid and low intertidal zones failed to induce settlement and metamorphosis in larvae of L. digitalis. These results suggest that recruitment into high intertidal habitat is driven by settlement rather than post settlement processes. New recruits within an adult habitat were most abundant low within the adult range and upon north-facing slopes of rocks. Larvae ofH walallensis that experienced a five-day extension of their competence period exhibited accelerated rates of metamorphosis, as well as accelerated juvenile growth rates, relative to larvae that were presented with settlement surfaces at initial competence.en_US
dc.identifier.citationKay, Matthew Curry. Ecological Patterns in the Development, Settlement and Recruitment of Archaeogastropods from the Oregon Coast. Thesis (M.S.)--University of Oregon, 2001, 2001.en_US
dc.identifier.urihttps://hdl.handle.net/1794/9902
dc.language.isoen_USen_US
dc.publisherThesis (M.S.)--University of Oregon, 2001.en_US
dc.subjectArchaeogastropoda -- Larvae -- Ecology -- Oregonen_US
dc.titleEcological patterns in the development, settlement and recruitment of archaeogastropods from the Oregon coasten_US
dc.typeThesisen_US

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