Trends in policing effort and the number of confiscations for West Coast rock lobster

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dc.contributor.authorBrandão, Anabela
dc.contributor.authorJohnston, Susan J
dc.contributor.authorButterworth, Doug S
dc.date.accessioned2017-03-06T08:44:55Z
dc.date.available2017-03-06T08:44:55Z
dc.date.issued2016-07
dc.description.abstractGLM methods are applied to compliance data on confiscations (and abandonments) and on policing effort to estimate recent trends in the amount of rock lobster that is poached. Estimates for 2016 are based on three months of data only; they are suggested by analysis not to be reliable, and hence recommended to be disregarded. A tentative suggestion for poaching trends relative to 2008 for the northern region (Super-areas 3+4+5+6) is a decrease to 0.3 from 2008 to 2012, with a subsequent increase to 0.5 by 2015. For the southern region (Super-area 8+) the corresponding rounded figures for the same periods (both increases) are 2.0 and 4.0. There is room for alternative suggestions for these numbers, which are put forward primarily to serve as a basis from which to initiate discussions.en_ZA
dc.identifier.apacitationBrandão, A., Johnston, S. J., & Butterworth, D. S. (2016). <i>Trends in policing effort and the number of confiscations for West Coast rock lobster</i> University of Cape Town ,Faculty of Science ,Marine Resource Assessment and Management Group. Retrieved from http://hdl.handle.net/11427/24023en_ZA
dc.identifier.chicagocitationBrandão, Anabela, Susan J Johnston, and Doug S Butterworth <i>Trends in policing effort and the number of confiscations for West Coast rock lobster.</i> University of Cape Town ,Faculty of Science ,Marine Resource Assessment and Management Group, 2016. http://hdl.handle.net/11427/24023en_ZA
dc.identifier.citationBrandão, A., Johnston, S.J. and Butterworth, D.S. 2016. Trends in policing effort and the number of confiscations for West Coast rock lobster. DAFF Branch Fisheries document. FISHERIES/2016/JUL/SWG-WCRL/10(censored): 23pp.en_ZA
dc.identifier.ris TY - Working Paper AU - Brandão, Anabela AU - Johnston, Susan J AU - Butterworth, Doug S AB - GLM methods are applied to compliance data on confiscations (and abandonments) and on policing effort to estimate recent trends in the amount of rock lobster that is poached. Estimates for 2016 are based on three months of data only; they are suggested by analysis not to be reliable, and hence recommended to be disregarded. A tentative suggestion for poaching trends relative to 2008 for the northern region (Super-areas 3+4+5+6) is a decrease to 0.3 from 2008 to 2012, with a subsequent increase to 0.5 by 2015. For the southern region (Super-area 8+) the corresponding rounded figures for the same periods (both increases) are 2.0 and 4.0. There is room for alternative suggestions for these numbers, which are put forward primarily to serve as a basis from which to initiate discussions. DA - 2016-07 DB - OpenUCT DP - University of Cape Town LK - https://open.uct.ac.za PB - University of Cape Town PY - 2016 T1 - Trends in policing effort and the number of confiscations for West Coast rock lobster TI - Trends in policing effort and the number of confiscations for West Coast rock lobster UR - http://hdl.handle.net/11427/24023 ER - en_ZA
dc.identifier.urihttp://hdl.handle.net/11427/24023
dc.identifier.vancouvercitationBrandão A, Johnston SJ, Butterworth DS. Trends in policing effort and the number of confiscations for West Coast rock lobster. 2016 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/24023en_ZA
dc.languageengen_ZA
dc.publisher.departmentMarine Resource Assessment and Management Groupen_ZA
dc.publisher.facultyFaculty of Scienceen_ZA
dc.publisher.institutionUniversity of Cape Town
dc.rightsCreative Commons Attribution 4.0 International (CC BY 4.0)*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en_ZA
dc.titleTrends in policing effort and the number of confiscations for West Coast rock lobsteren_ZA
dc.typeWorking Paperen_ZA
uct.type.filetypeText
uct.type.filetypeImage
uct.type.publicationResearchen_ZA
uct.type.resourceWorking paperen_ZA
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