Aspects of growth and production of Laminaria pallida (Grev.) J. Ag. off the Cape Peninsula

 

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dc.contributor.author Dieckmann, Gerhard Stephan en_ZA
dc.date.accessioned 2016-03-15T07:16:31Z
dc.date.available 2016-03-15T07:16:31Z
dc.date.issued 1978 en_ZA
dc.identifier.citation Dieckmann, G. 1978. Aspects of growth and production of Laminaria pallida (Grev.) J. Ag. off the Cape Peninsula. University of Cape Town. en_ZA
dc.identifier.uri http://hdl.handle.net/11427/17787
dc.description Bibliography: pages 91-98. en_ZA
dc.description.abstract Growth rates, chemical composition and annual production by sporophytes of Laminaria pallida at different localities and depths have been investigated. Growth of L. pallida fronds measured as rates of frond elongation was seasonal and showed similar trends at Robben Island and Oudekraal and at different depths. Frond elongation rates of up to 1,3 cm dayˉ¹ were recorded in spring and early summer, whilst slow rates of 0,2 cm dayˉ¹ were measured in late autumn and winter at all stations. The seasonal cycle of frond elongation rates appeared to be regulated by more than one abiotic factor, with light probably being the most important one. Differences in stipe elongation rates of sporophytes growing 50 m apart, but at different depths, confirmed that light was an important factor in determining growth rates; at 8 m depth stipes attained a length of approximately 240 cm within five years, whereas stipes growing at 14 m depth only grew to a length of approximately 200 cm in nine years. en_ZA
dc.language.iso eng en_ZA
dc.subject.other Botany en_ZA
dc.title Aspects of growth and production of Laminaria pallida (Grev.) J. Ag. off the Cape Peninsula en_ZA
dc.type Master Thesis
uct.type.publication Research en_ZA
uct.type.resource Thesis en_ZA
dc.publisher.institution University of Cape Town
dc.publisher.faculty Faculty of Science en_ZA
dc.publisher.department Department of Biological Sciences en_ZA
dc.type.qualificationlevel Masters
dc.type.qualificationname MSc en_ZA
uct.type.filetype Text
uct.type.filetype Image
dc.identifier.apacitation Dieckmann, G. S. (1978). <i>Aspects of growth and production of Laminaria pallida (Grev.) J. Ag. off the Cape Peninsula</i>. (Thesis). University of Cape Town ,Faculty of Science ,Department of Biological Sciences. Retrieved from http://hdl.handle.net/11427/17787 en_ZA
dc.identifier.chicagocitation Dieckmann, Gerhard Stephan. <i>"Aspects of growth and production of Laminaria pallida (Grev.) J. Ag. off the Cape Peninsula."</i> Thesis., University of Cape Town ,Faculty of Science ,Department of Biological Sciences, 1978. http://hdl.handle.net/11427/17787 en_ZA
dc.identifier.vancouvercitation Dieckmann GS. Aspects of growth and production of Laminaria pallida (Grev.) J. Ag. off the Cape Peninsula. [Thesis]. University of Cape Town ,Faculty of Science ,Department of Biological Sciences, 1978 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/17787 en_ZA
dc.identifier.ris TY - Thesis / Dissertation AU - Dieckmann, Gerhard Stephan AB - Growth rates, chemical composition and annual production by sporophytes of Laminaria pallida at different localities and depths have been investigated. Growth of L. pallida fronds measured as rates of frond elongation was seasonal and showed similar trends at Robben Island and Oudekraal and at different depths. Frond elongation rates of up to 1,3 cm dayˉ¹ were recorded in spring and early summer, whilst slow rates of 0,2 cm dayˉ¹ were measured in late autumn and winter at all stations. The seasonal cycle of frond elongation rates appeared to be regulated by more than one abiotic factor, with light probably being the most important one. Differences in stipe elongation rates of sporophytes growing 50 m apart, but at different depths, confirmed that light was an important factor in determining growth rates; at 8 m depth stipes attained a length of approximately 240 cm within five years, whereas stipes growing at 14 m depth only grew to a length of approximately 200 cm in nine years. DA - 1978 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 1978 T1 - Aspects of growth and production of Laminaria pallida (Grev.) J. Ag. off the Cape Peninsula TI - Aspects of growth and production of Laminaria pallida (Grev.) J. Ag. off the Cape Peninsula UR - http://hdl.handle.net/11427/17787 ER - en_ZA


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