{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/8418"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/8418","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Carbon and nitrogen flux through the Cape rock lobster jasus lalandii (H. Milne Edwards), with particular reference to the nearshore Benguela system","abstract":"Observations and experiments on Jasus lalandii were undertaken over the period 1977 to 1986 to quantify the passage of carbon and nitrogen through populations at Oudekraal and Robben Island on the west coast of South Africa. The terms of the energy flow equation, C=P+R+G+UE+Ux+Uo+F (where C=consumption, P=production, R=respiration, G=reproduction, UE=Exuvial loss, Ux=excretion of exogenous nitrogen, Up =excretion of endogenous nitrogen and F=faeces), were quantified by combining field data and laboratory results. With this information the role played by J. lalandii in the kelp-bed ecosystem under the influence of the Benguela current was explored and quantified.","abstract_html":"Observations and experiments on Jasus lalandii were undertaken over the period 1977 to 1986 to quantify the passage of carbon and nitrogen through populations at Oudekraal and Robben Island on the west coast of South Africa. The terms of the energy flow equation, C=P+R+G+UE+Ux+Uo+F (where C=consumption, P=production, R=respiration, G=reproduction, UE=Exuvial loss, Ux=excretion of exogenous nitrogen, Up =excretion of endogenous nitrogen and F=faeces), were quantified by combining field data and laboratory results. With this information the role played by J. lalandii in the kelp-bed ecosystem under the influence of the Benguela current was explored and quantified.","abstract_has_math":false,"creators":["Zoutendyk, Peter"],"institution":"Department of Biological Sciences","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Field, John G","Branch, George M"],"committee_chairs":[],"committee_members":[],"year":1989,"date_issued":"1989","date_published":"1989","updated_at":"2026-07-22T22:23:39Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/8418","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Field, John G","Branch, George M"]},{"key":"dc:creator","label":"Author","values":["Zoutendyk, Peter"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-10-11T12:21:50Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-10-11T12:21:50Z"]},{"key":"dc:date.issued","label":"Date","values":["1989"]},{"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":["Doctoral Thesis"]},{"key":"dc:type.qualificationlevel","label":"Dc Type Qualificationlevel","values":["Doctoral"]},{"key":"dc:type.qualificationname","label":"Dc Type Qualificationname","values":["PhD"]}]},{"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/11427/8418"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Bibliography: leaves 169-198."]},{"key":"dc:description.abstract","label":"Abstract","values":["Observations and experiments on Jasus lalandii were undertaken over the period 1977 to 1986 to quantify the passage of carbon and nitrogen through populations at Oudekraal and Robben Island on the west coast of South Africa. The terms of the energy flow equation, C=P+R+G+UE+Ux+Uo+F (where C=consumption, P=production, R=respiration, G=reproduction, UE=Exuvial loss, Ux=excretion of exogenous nitrogen, Up =excretion of endogenous nitrogen and F=faeces), were quantified by combining field data and laboratory results. With this information the role played by J. lalandii in the kelp-bed ecosystem under the influence of the Benguela current was explored and quantified."]},{"key":"dc:title","label":"Title","values":["Carbon and nitrogen flux through the Cape rock lobster jasus lalandii (H. Milne Edwards), with particular reference to the nearshore Benguela system"]}]}],"canonical_facts":{"dc:contributor.advisor":["Field, John G","Branch, George M"],"dc:creator":["Zoutendyk, Peter"],"dc:date.accessioned":["2014-10-11T12:21:50Z"],"dc:date.available":["2014-10-11T12:21:50Z"],"dc:date.issued":["1989"],"dc:description":["Bibliography: leaves 169-198."],"dc:description.abstract":["Observations and experiments on Jasus lalandii were undertaken over the period 1977 to 1986 to quantify the passage of carbon and nitrogen through populations at Oudekraal and Robben Island on the west coast of South Africa. The terms of the energy flow equation, C=P+R+G+UE+Ux+Uo+F (where C=consumption, P=production, R=respiration, G=reproduction, UE=Exuvial loss, Ux=excretion of exogenous nitrogen, Up =excretion of endogenous nitrogen and F=faeces), were quantified by combining field data and laboratory results. With this information the role played by J. lalandii in the kelp-bed ecosystem under the influence of the Benguela current was explored and quantified."],"dc:identifier.uri":["http://hdl.handle.net/11427/8418"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Biological Sciences"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["Carbon and nitrogen flux through the Cape rock lobster jasus lalandii (H. Milne Edwards), with particular reference to the nearshore Benguela system"],"dc:type":["Doctoral Thesis"],"dc:type.qualificationlevel":["Doctoral"],"dc:type.qualificationname":["PhD"]},"updated_at":"2026-07-22T22:23:39Z"}