Search Results

Updated and Extended GLM results for the South Coast penguin colony foraging data

by Andrea Ross-Gillespie (10036472), Doug Butterworth (10005953)
Published 2021

Monitoring the recovery of the southern right whale in South African waters

by Anabela Brandao, Best, Peter Barrington, Doug Butterworth
Published 2023

Collated comments from some members of the SWG-PEL/30 in response to FISHERIES/2011/SWG-PEL/30

by Doug Butterworth, Carryn de Moor, Janet Coetzee
Published 2023

Abundance Estimates for Hake – Nansen vs Africana

by Tracy P Fairweather, Rebecca A Rademeyer, Doug Butterworth
Published 2023

Further investigations of simple “fixed proportion” candidate management procedures for North Atlantic Bluefin tuna using operating model package version 3.3.0.

by Doug Butterworth (10005953), Mitsuyo Miyagawa (10280611), Melissa Jacobs (9711626)
Published 2021

Further investigations of simple “fixed proportion” candidate management procedures for North Atlantic Bluefin tuna using operating model package version 3.3.0.

by Doug Butterworth (10005953), Mitsuyo Miyagawa (10280611), Melissa Jacobs (9711626)
Published 2021

Application of “fixed proportion” candidate management procedures for North Atlantic bluefin tuna using operating model package version 5.2.3.

by Doug Butterworth, Melissa Jacobs, Rebecca A Rademeyer, Mitsuyo Miyagawa
Published 2021

Report on the development of Harvest Strategies for key target species in the SIOFA area (Project code SE2020-01)

by Doug Butterworth (10005953), Anabela Brandao (10003679), Susan Holloway (9998819)
Published 2021

Continuation of the development of an OMP for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands region

by Anabela Brandao (10003679), Doug Butterworth (10005953), Deon Durholtz (11440692)
Published 2021

Updated application of a photo-identification based assessment model to southern right whales in South African waters to include data up to 2018

by Anabela Brandao (10003679), Els Vermeulen (686493), Doug Butterworth (10005953)
Published 2021

Updated Analyses of the Results from the Island Closure Feasibility Study for the Dassen/Robben and St Croix/Bird Island Pairs given Revised Data and Responses to Matters Raised in...

by Doug Butterworth, Naseera Moosa, Liam Furman, William Robinson, Susan Holloway
Published 2022

Detailed analysis of the catch-at-length and age composition data to check results for recent year recruitment estimates for eastern Atlantic bluefin tuna

by Lisa E Ailloud, Tristan Rouyer, Ai Kimoto, Rishi Sharma, Doug Butterworth
Published 2021

Application of “fixed proportion” candidate management procedures for North Atlantic bluefin tuna using operating model package version 5.2.3.

by Doug Butterworth (10005953), Melissa Jacobs (9711626), Rebecca A Rademeyer (10107625), Mitsuyo Miyagawa (10280611)
Published 2021

Detailed analysis of the catch-at-length and age composition data to check results for recent year recruitment estimates for eastern Atlantic bluefin tuna

by Lisa E Ailloud (11440537), Tristan Rouyer (11440540), Ai Kimoto (11440571), Rishi Sharma (11440573), Doug Butterworth (10005953)
Published 2021

Penguin power analysis methodology - Draft

by Mike Bergh, Doug Butterworth, Kevern Cochrane, Taryn L Morris, Richard Sherley, Andrea Ross-Gillespie, Henning Winker
Published 2022

Exploring South Africa’s southern frontier: A 20-year vision for polar research through the South African National Antarctic Programme

by Isabelle J. Ansorge, Paul Skelton, Annie Bekker, P.J. Nico de Bruyn, Doug Butterworth, Pierre Cilliers, John Cooper, Don A. Cowan, Rosemary Dorrington, Sarah Fawcett, Susanne Fietz, Ken P. Findlay, William P. Froneman, Geoff H. Grantham, Michelle Greve, David Hedding, Greg G.J. Hofmeyr, Michael Kosch, Peter C. le Roux, Mike Lucas, Keith MacHutchon, Ian Meiklejohn, Werner Nel, Pierre Pistorius, Peter G. Ryan, Johan Stander, Sebastiaan Swart, Anne Treasure, Marcello Vichi, Bettine J. van Vuuren
Published in South African Journal of Science (2017)

Exploring South Africa’s southern frontier: A 20-year vision for polar research through the South African National Antarctic Programme

by Isabelle J. Ansorge, Paul Skelton, Annie Bekker, P.J. Nico de Bruyn, Doug Butterworth, Pierre Cilliers, John Cooper, Don A. Cowan, Rosemary Dorrington, Sarah Fawcett, Susanne Fietz, Ken P. Findlay, William P. Froneman, Geoff H. Grantham, Michelle Greve, David Hedding, Greg G.J. Hofmeyr, Michael Kosch, Peter C. le Roux, Mike Lucas, Keith MacHutchon, Ian Meiklejohn, Werner Nel, Pierre Pistorius, Peter G. Ryan, Johan Stander, Sebastiaan Swart, Anne Treasure, Marcello Vichi, Bettine J. van Vuuren
Published in South African Journal of Science (2017)