Biologically induced alternative states in two rocky subtidal benthic communities

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dc.contributor.advisorBranch, George Men_ZA
dc.contributor.authorBarkai, Amosen_ZA
dc.date.accessioned2016-09-25T16:51:52Z
dc.date.available2016-09-25T16:51:52Z
dc.date.issued1987en_ZA
dc.description.abstractThis thesis is concerned with the contrasting communities that occur in the subtidal zones of two closely situated islands in Saldanha Bay on the west coast of South Africa: Both are guano islands, supporting substantial populations of seabirds. They have a similar bottom topography and experience similar physical conditions. Despite these similarities their subtidal benthic communities are however, radically different. Marcus Island has prolific beds of the black mussel Choromytilus meridionalis, accompanied by a large number of other species, notably the sea urchin Parechinus angulosus, the holothurians Pentacta doliolum, Thyone aurea and Trachythyone insolens, large population of whelks, mostly Burnupena spp. and the barnacles Austromegabalanus cylindricus and Notomegabalanus algicola. In contrast, Malgas Island is dominated by a large population of the rock lobster Jasus lalandii together with a dense seaweed flora, and has small numbers of the ribbed mussel Aulacomya ater and the whelks Argobuccinum pustulosum and Burnupena papyracea.en_ZA
dc.identifier.apacitationBarkai, A. (1987). <i>Biologically induced alternative states in two rocky subtidal benthic communities</i>. (Thesis). University of Cape Town ,Faculty of Science ,Department of Biological Sciences. Retrieved from http://hdl.handle.net/11427/21935en_ZA
dc.identifier.chicagocitationBarkai, Amos. <i>"Biologically induced alternative states in two rocky subtidal benthic communities."</i> Thesis., University of Cape Town ,Faculty of Science ,Department of Biological Sciences, 1987. http://hdl.handle.net/11427/21935en_ZA
dc.identifier.citationBarkai, A. 1987. Biologically induced alternative states in two rocky subtidal benthic communities. University of Cape Town.en_ZA
dc.identifier.ris TY - Thesis / Dissertation AU - Barkai, Amos AB - This thesis is concerned with the contrasting communities that occur in the subtidal zones of two closely situated islands in Saldanha Bay on the west coast of South Africa: Both are guano islands, supporting substantial populations of seabirds. They have a similar bottom topography and experience similar physical conditions. Despite these similarities their subtidal benthic communities are however, radically different. Marcus Island has prolific beds of the black mussel Choromytilus meridionalis, accompanied by a large number of other species, notably the sea urchin Parechinus angulosus, the holothurians Pentacta doliolum, Thyone aurea and Trachythyone insolens, large population of whelks, mostly Burnupena spp. and the barnacles Austromegabalanus cylindricus and Notomegabalanus algicola. In contrast, Malgas Island is dominated by a large population of the rock lobster Jasus lalandii together with a dense seaweed flora, and has small numbers of the ribbed mussel Aulacomya ater and the whelks Argobuccinum pustulosum and Burnupena papyracea. DA - 1987 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 1987 T1 - Biologically induced alternative states in two rocky subtidal benthic communities TI - Biologically induced alternative states in two rocky subtidal benthic communities UR - http://hdl.handle.net/11427/21935 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/21935
dc.identifier.vancouvercitationBarkai A. Biologically induced alternative states in two rocky subtidal benthic communities. [Thesis]. University of Cape Town ,Faculty of Science ,Department of Biological Sciences, 1987 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/21935en_ZA
dc.language.isoengen_ZA
dc.publisher.departmentDepartment of Biological Sciencesen_ZA
dc.publisher.facultyFaculty of Scienceen_ZA
dc.publisher.institutionUniversity of Cape Town
dc.subject.otherZoologyen_ZA
dc.titleBiologically induced alternative states in two rocky subtidal benthic communitiesen_ZA
dc.typeDoctoral Thesis
dc.type.qualificationlevelDoctoral
dc.type.qualificationnamePhDen_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceThesisen_ZA
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