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dc.contributor.authorScanland, Thomas
dc.date.accessioned2020-09-03T11:25:51Z
dc.date.available2020-09-03T11:25:51Z
dc.identifier.urihttps://scholar.oxy.edu/handle/20.500.12711/10533
dc.description.abstractBased on literature and data from monitoring surveys throughout the <br /><br />Southern Cahfomia Bight and especially off Palos Verdes, the pattern and rate of <br /><br />succession of ophiuroid populations of a previously perturbed (ocean outfall) area <br /><br />is assessed. Pre-discharge population levels of ophiroids off Palos Verdes were <br /><br />generally low, and between the early 1950's and 1970's densities were near zero. <br /><br />From 1972 to 1992 the number of ophiuroid species and densities have increased <br /><br />towards the center of the shelf and the zone of initial dilution (ZID), previously <br /><br />impacted by the effects of outfall. Even after natural mass mortalities, resettlement <br /><br />of ophiuroid populations is very slow, mainly due to adult migration rather than <br /><br />larval recruitment. In turn, the presence of high densities of adult populations <br /><br />favors settlement and metamorphosis of larvae. Conditions suitable for promoting <br /><br />and maintaining critical levels of adults represent the Catch-22 of larval recruit- <br /><br />ment, and hence successful resettlement of a previously perturbed area. Regard- <br /><br />less, conditions for infaunal benthos in general, and ophiuroids in particular, <br /><br />continue to improve off the Palos Verdes outfall as resettlement progresses.
dc.subjectPalos Verdes
dc.subjectCalifornia
dc.subjectSuccession
dc.subjectOphiuroids
dc.subjectMarine Infaunal Associations
dc.titleSuccession and the Role of Ophiuroids as it Applies to the Marine Infaunal Associations off Palos Verdes, California
dc.title.alternativeSuccession and the Role of Ophiuroids as it Applies to the Marine Infaunal Associations
dc.typearticle
dc.abstract.formatonep
dc.source.beginpage103
dc.source.issuescas/vol94/iss1
dc.source.issue1
dc.identifier.legacyhttps://scholar.oxy.edu/scas/vol94/iss1/2
dc.source.endpage116
dc.source.peer_reviewedTRUE
dc.source.statuspublished
dc.source.volume94
dc.source.journaltitleScas: Bulletin of the Southern California Academy of Sciences


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