Update regarding the calibration factors for the two hake species between the two gear types used on the Africana
| dc.contributor.author | Rademeyer, Rebecca A | |
| dc.contributor.author | Butterworth, Doug S | |
| dc.date.accessioned | 2016-08-25T11:09:58Z | |
| dc.date.available | 2016-08-25T11:09:58Z | |
| dc.date.issued | 2009 | |
| dc.date.updated | 2016-08-25T09:59:21Z | |
| dc.description.abstract | In June 2003, the trawl gear on the Africana was changed and a species-dependent multiplicative bias factor q is taken to apply to the surveys conducted with the new gear. Calibration experiments have been conducted between the Africana with the old gear (hereafter referred to as the “old Africana”) and the Nansen, and between the Africana with the new gear (“new Africana”) and the Nansen, in order to provide a basis to relate the multiplicative biases of the Africana with the two types of gear ( old q and new q ). A GLM analysis assuming negative binomial distributions for the catches made (Brandão et al., 2004) provided the following estimates: | en_ZA |
| dc.identifier.apacitation | Rademeyer, R. A., & Butterworth, D. S. (2009). <i>Update regarding the calibration factors for the two hake species between the two gear types used on the Africana</i> University of Cape Town ,Faculty of Science ,Marine Resource Assessment and Management Group. Retrieved from http://hdl.handle.net/11427/21546 | en_ZA |
| dc.identifier.chicagocitation | Rademeyer, Rebecca A, and Doug S Butterworth <i>Update regarding the calibration factors for the two hake species between the two gear types used on the Africana.</i> University of Cape Town ,Faculty of Science ,Marine Resource Assessment and Management Group, 2009. http://hdl.handle.net/11427/21546 | en_ZA |
| dc.identifier.citation | Rademeyer, R. A., & Butterworth, D. S. (2009). Update regarding the calibration factors for the two hake species between the two gear types used on the Africana. MARAM: University of Cape Town. | en_ZA |
| dc.identifier.ris | TY - Working Paper AU - Rademeyer, Rebecca A AU - Butterworth, Doug S AB - In June 2003, the trawl gear on the Africana was changed and a species-dependent multiplicative bias factor q is taken to apply to the surveys conducted with the new gear. Calibration experiments have been conducted between the Africana with the old gear (hereafter referred to as the “old Africana”) and the Nansen, and between the Africana with the new gear (“new Africana”) and the Nansen, in order to provide a basis to relate the multiplicative biases of the Africana with the two types of gear ( old q and new q ). A GLM analysis assuming negative binomial distributions for the catches made (Brandão et al., 2004) provided the following estimates: DA - 2009 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 2009 T1 - Update regarding the calibration factors for the two hake species between the two gear types used on the Africana TI - Update regarding the calibration factors for the two hake species between the two gear types used on the Africana UR - http://hdl.handle.net/11427/21546 ER - | en_ZA |
| dc.identifier.uri | http://hdl.handle.net/11427/21546 | |
| dc.identifier.vancouvercitation | Rademeyer RA, Butterworth DS. Update regarding the calibration factors for the two hake species between the two gear types used on the Africana. 2009 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/21546 | en_ZA |
| dc.language | eng | en_ZA |
| dc.publisher.department | Marine Resource Assessment and Management Group | en_ZA |
| dc.publisher.faculty | Faculty of Science | en_ZA |
| dc.publisher.institution | University of Cape Town | |
| dc.title | Update regarding the calibration factors for the two hake species between the two gear types used on the Africana | en_ZA |
| dc.type | Working Paper | en_ZA |
| uct.type.filetype | Text | |
| uct.type.filetype | Image | |
| uct.type.publication | Research | en_ZA |
| uct.type.resource | Research paper | en_ZA |