{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/6204"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/6204","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Temporal and spatial variability in a copepod community off St Helena Bay in 2000/1","abstract":"The driving forces behind changes in copepod community structure in the Benguela upwelling region are examined. For this study, monthly changes in copepod size structure and species composition were examined at St Helena Bay in 2000/1 in relation to upwelling, phytoplankton and fish. The copepod assemblage was dominated by large species categories in the early period of recruitment (April) and smaller species categories in the late period of recruitment (August). The reappearance of large species categories and increase in copepod biomass is observed in summer months. This is attributed to both predation and upwelling intensity. Arguments are developed to suggest that the copepod size. structure is consistent with 'wasp-waist' control and 'bottom-up' control was responsible for the copepod increase.","abstract_html":"The driving forces behind changes in copepod community structure in the Benguela upwelling region are examined. For this study, monthly changes in copepod size structure and species composition were examined at St Helena Bay in 2000/1 in relation to upwelling, phytoplankton and fish. The copepod assemblage was dominated by large species categories in the early period of recruitment (April) and smaller species categories in the late period of recruitment (August). The reappearance of large species categories and increase in copepod biomass is observed in summer months. This is attributed to both predation and upwelling intensity. Arguments are developed to suggest that the copepod size. structure is consistent with 'wasp-waist' control and 'bottom-up' control was responsible for the copepod increase.","abstract_has_math":false,"creators":["Tukwayo, Philiswa P"],"institution":"Department of Biological Sciences","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Moloney, Coleen","Hutchings, Lawrence"],"committee_chairs":[],"committee_members":[],"year":2004,"date_issued":"2004","date_published":"2004","updated_at":"2026-07-22T22:23:31Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/6204","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Moloney, Coleen","Hutchings, Lawrence"]},{"key":"dc:creator","label":"Author","values":["Tukwayo, Philiswa P"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-08-13T14:10:42Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-08-13T14:10:42Z"]},{"key":"dc:date.issued","label":"Date","values":["2004"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Department of Biological Sciences"]},{"key":"dc:publisher.institution","label":"Dc Publisher Institution","values":["University of Cape Town"]},{"key":"dc:type","label":"Dc Type","values":["Master Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Masters"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["MSc"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11427/6204"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Bibliography: leaves 34-39."]},{"key":"dc:description.abstract","label":"Abstract","values":["The driving forces behind changes in copepod community structure in the Benguela upwelling region are examined. For this study, monthly changes in copepod size structure and species composition were examined at St Helena Bay in 2000/1 in relation to upwelling, phytoplankton and fish. The copepod assemblage was dominated by large species categories in the early period of recruitment (April) and smaller species categories in the late period of recruitment (August). The reappearance of large species categories and increase in copepod biomass is observed in summer months. This is attributed to both predation and upwelling intensity. Arguments are developed to suggest that the copepod size. structure is consistent with 'wasp-waist' control and 'bottom-up' control was responsible for the copepod increase."]},{"key":"dc:title","label":"Title","values":["Temporal and spatial variability in a copepod community off St Helena Bay in 2000/1"]}]}],"canonical_facts":{"dc:contributor.advisor":["Moloney, Coleen","Hutchings, Lawrence"],"dc:creator":["Tukwayo, Philiswa P"],"dc:date.accessioned":["2014-08-13T14:10:42Z"],"dc:date.available":["2014-08-13T14:10:42Z"],"dc:date.issued":["2004"],"dc:description":["Bibliography: leaves 34-39."],"dc:description.abstract":["The driving forces behind changes in copepod community structure in the Benguela upwelling region are examined. For this study, monthly changes in copepod size structure and species composition were examined at St Helena Bay in 2000/1 in relation to upwelling, phytoplankton and fish. The copepod assemblage was dominated by large species categories in the early period of recruitment (April) and smaller species categories in the late period of recruitment (August). The reappearance of large species categories and increase in copepod biomass is observed in summer months. This is attributed to both predation and upwelling intensity. Arguments are developed to suggest that the copepod size. structure is consistent with 'wasp-waist' control and 'bottom-up' control was responsible for the copepod increase."],"dc:identifier.uri":["http://hdl.handle.net/11427/6204"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Biological Sciences"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["Temporal and spatial variability in a copepod community off St Helena Bay in 2000/1"],"dc:type":["Master Thesis"],"dc:type.qualificationlevel":["Masters"],"dc:type.qualificationname":["MSc"]},"updated_at":"2026-07-22T22:23:31Z"}