Research Papers and Refereed Articles
Carruthers, T.R., Huynh, Q.C., Lauretta, M.V., Preece, A.L., Butterworth, D.S., Hordyk, A.R. and Taylor, N.G. Evaluating Atlantic bluefin tuna harvest strategies that use conventional genetic tagging data. Frontiers in Marine Science. 10 1210182. doi: 10.3389/fmars.2023.1210182.
Melnychuk, M.C., Lees, S., Veiga, P., Rasal, J., Baker, N., Koerner, L., Hively, D., Kurota, H., de Moor, C.L., Pons, M., Mace, P.M., Parma, A.M., Mannini, A., Little, L.R., Bensbai, J., Muñoz Albero, A., Polidoro, B., Jardim, E., Hilborn, R. and Longo, C. Comparing voluntary and government-mandated management measures for meeting sustainable fishing targets. Submitted to Journal of Environmental Management. Volume 374, February 2025, 124090.
Quezada, F.J., Tommasi, D., Kaplan, I.C., Hernvann, P.-Y., Frawley, T.H., Garcia, D., Ibaibarriaga, L., Sánchez-Maroño, S., de Moor, C.L., Beckensteiner, J., Schueller, A.M., Feijó, D., Ciorciaro, D., Kurota, H., Oliveros-Ramos, R., Wildermuth, R., Mroch, R., Wise, L., Baker, M.R., Hansen, C., Hemed, S.A., Brochier, T., Stohs, S.M., Enciso-Enciso, C. and Jacobsen. N.S. Responses of Harvesters and Fishery Managers to Changes in Small Pelagic Fish Distribution and Abundance, and Socio-economic Impacts. Reviews in Fish Biology and Fisheries. DOI:10.1007/s11160-025-09949-4.
Unpublished Research/Technical/Policy Documents
PowerPoint Presentations
de Moor, C.L. The updated sardine assessment, using the revised stock structure hypothesis. Presentation to the Small Pelagic Scientific Working Group, 14 May 2025: 42pp.
ICCAT Bluefin Tuna
Butterworth, D.S. and Rademeyer, R.A. A brief initial analysis of ‘does the west CKMR estimate matter for the ABFT MSE?’ SCRS/2025/049. Collect. Vol. Sci. Pap. Vol. 82: 10 pp.
Greenland Halibut
Gulf Menhaden
Tristan
Johnston, S.J. Tristan Group Biomass Survey results of Jasus tristani including data from the 2024 season. MARAM document: MARAM/TRISTAN/2025/MAR/01: 15pp.
Johnston, S.J. Updated 2024 GLMM -standardised lobster CPUE from Inaccessible, Nightingale and Gough islands from the Jasus tristani fishery. MARAM document: MARAM/TRISTAN/2025/APR/02: 17pp.
Johnston, S.J. Updated (and rescaled) Tristan island GLM-standardised Jasus tristani lobster Powerboat CPUE to take account of data for the 2024 season. MARAM document: MARAM/TRISTAN/2025/APR/03: 10pp.
Johnston, S.J. GLM-standardised rock lobster (Jasus tristani) vessel CPUE at Tristan. MARAM document: MARAM/TRISTAN/2025/APR/07: 7pp.
Consultancy and Other Activities Based on Expertise Developed in Research
Brandao, A. and Butterworth, D.S. The way forward to model pack data for the chokka squid (Loligo reynaudii) resource of South Africa. DFFE Branch Fisheries document FISHERIES/2025/MARCH/SWG-SQ/05: 5 pp.
Butterworth, D.S. and Ross-Gillespie, A. An Application of the Schaefer Model to Sardine. DFFE Fisheries Document FISHERIES/2025/MAY/SWG-PEL/20: 7 pp.
Butterworth, D.S., Coetzee, J.C. and Ross-Gillespie, A. Extending the Aggregated Biomass Model for Sardine to provide MP-Like Projections. DFFE Branch Fisheries Document FISHERIES/2025/MAR/SWG-PEL/11rev: 20 pp.
de Moor, C.L. A Proposal for Possible Updates to the Interim TAC/Bs for 2025. DFFE Branch Fisheries Document FISHERIES/2025/FEB/SWG-PEL/02: 2 pp
de Moor, C.L. An outline of work towards the alternative proposal for short-term and medium-term goals for South African sardine and anchovy fishery management. DFFE Branch Fisheries Document FISHERIES/2025/FEB/SWG-PEL/03: 6 pp
de Moor, C.L. An outline of work towards both the short-term and medium-term goals for South African sardine and anchovy fishery management. DFFE Branch Fisheires Document FISHERIES/2025/JAN/SWG-PEL/01: 3 pp
de Moor, C.L. and Coetzee, J.C. Sensitivity of the prior distribution for hydro-acoustic survey bias of the South African round herring population to errors associated with target strength dependence on depth. DFFE Branch Fisheries Document FISHERIES/2025/MAR/SWG-PEL/10: 3 pp
de Moor, C.L., Coetzee, J.C. and de Goede, J. Recent targeting of round herring. DFFE Branch Fisheries Document FISHERIES/2025/MAR/SWG-PEL/12: 4 pp.
de Moor, C.L. A method to convert the hydroacoustic survey estimates of small pelagic biomass from a March/April 2025 survey to equivalent biomasses that might have been surveyed in November 2024, for use in 2025 fisheries management advice. DFFE Branch Fisheries Document FISHERIES/2025/APR/SWG-PEL/16: 6 pp.
de Moor, C.L. The updated assessment model for the revised sardine stock structure hypothesis. DFFE Fisheries Document FISHERIES/2025/APR/SWG-PEL/17rev: 18 pp.
de Moor, C.L. Results from the updated stock assessment model of the revised South African sardine stock structure hypothesis, with alternative weightings of catch by stock off the west coast. DFFE Fisheries Document FISHERIES/2025/APR/SWG-PEL/18rev: 59 pp.
de Moor, C.L. OMP‐18rev recommended initial anchovy TAC for 2025. DFFE Fisheries Document FISHERIES/2025/MAY/SWG-PEL/22: 3 pp.
de Moor, C.L. Investigating the impact on the South African sardine assessment of estimating Beverton Holt stock recruitment relationships during conditioning. DFFE Fisheries Document FISHERIES/2025/MAY/SWG-PEL/28: 7 pp.
Media articles
Butterworth, D.S. Understanding the decline of African penguins, a call for evidence-based action. Cape Argus, 3 January 2025: 3pp.
Butterworth, D.S. The African Penguin Debate. A Response to SANCCOB/Birdlife. Fishing Industry News and Agriculture. 25 February 2025. 3pp.
