{"id":{"repo_id":"cape-town","oai_identifier":"oai:open.uct.ac.za:11427/6173"},"canonical_url":"https://search.dev.ndltd.org/etd/cape-town/oai:open.uct.ac.za:11427/6173","repository":{"repo_id":"cape-town","name":"University of Cape Town","base_url":"https://open.uct.ac.za/oai/request"},"display":{"title":"Biological control of alien species (Prosopis) in South Africa : the role of introduced seed-feeding bruchids","abstract":"The use of bruchid beetles for biologicval control of mesquite, Prosopsis species, in South Africa is deemed to have failed because the beetles are supposed to be unable to compete with livestock which utilise the seed pods of mesquite extensively as forage. These assumptions have been made without any evidence as to how the beetles and livestock interact or as to whether mesquite is site or seed limited in South Africa. This study was initiated to test the hypothesis that the beetles are not coping with competition with livestock and that mesquite is site limited and not seed limited in South Africa.","abstract_html":"The use of bruchid beetles for biologicval control of mesquite, Prosopsis species, in South Africa is deemed to have failed because the beetles are supposed to be unable to compete with livestock which utilise the seed pods of mesquite extensively as forage. These assumptions have been made without any evidence as to how the beetles and livestock interact or as to whether mesquite is site or seed limited in South Africa. This study was initiated to test the hypothesis that the beetles are not coping with competition with livestock and that mesquite is site limited and not seed limited in South Africa.","abstract_has_math":false,"creators":["Roberts, Anthony Paul"],"institution":"Department of Biological Sciences","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Hoffmann, John"],"committee_chairs":[],"committee_members":[],"year":2006,"date_issued":"2006","date_published":"2006","updated_at":"2026-07-22T22:22:43Z","subjects":[],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11427/6173","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Hoffmann, John"]},{"key":"dc:creator","label":"Author","values":["Roberts, Anthony Paul"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-08-13T14:07:27Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-08-13T14:07:27Z"]},{"key":"dc:date.issued","label":"Date","values":["2006"]},{"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/11427/6173"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Includes bibliographical references (p. 206-231)."]},{"key":"dc:description.abstract","label":"Abstract","values":["The use of bruchid beetles for biologicval control of mesquite, Prosopsis species, in South Africa is deemed to have failed because the beetles are supposed to be unable to compete with livestock which utilise the seed pods of mesquite extensively as forage. These assumptions have been made without any evidence as to how the beetles and livestock interact or as to whether mesquite is site or seed limited in South Africa. This study was initiated to test the hypothesis that the beetles are not coping with competition with livestock and that mesquite is site limited and not seed limited in South Africa."]},{"key":"dc:title","label":"Title","values":["Biological control of alien species (Prosopis) in South Africa : the role of introduced seed-feeding bruchids"]}]}],"canonical_facts":{"dc:contributor.advisor":["Hoffmann, John"],"dc:creator":["Roberts, Anthony Paul"],"dc:date.accessioned":["2014-08-13T14:07:27Z"],"dc:date.available":["2014-08-13T14:07:27Z"],"dc:date.issued":["2006"],"dc:description":["Includes bibliographical references (p. 206-231)."],"dc:description.abstract":["The use of bruchid beetles for biologicval control of mesquite, Prosopsis species, in South Africa is deemed to have failed because the beetles are supposed to be unable to compete with livestock which utilise the seed pods of mesquite extensively as forage. These assumptions have been made without any evidence as to how the beetles and livestock interact or as to whether mesquite is site or seed limited in South Africa. This study was initiated to test the hypothesis that the beetles are not coping with competition with livestock and that mesquite is site limited and not seed limited in South Africa."],"dc:identifier.uri":["http://hdl.handle.net/11427/6173"],"dc:language.iso":["eng"],"dc:publisher.department":["Department of Biological Sciences"],"dc:publisher.institution":["University of Cape Town"],"dc:title":["Biological control of alien species (Prosopis) in South Africa : the role of introduced seed-feeding bruchids"],"dc:type":["Doctoral Thesis"],"dc:type.qualificationlevel":["Doctoral"],"dc:type.qualificationname":["PhD"]},"updated_at":"2026-07-22T22:22:43Z"}