Fair amount of evidence to suggest two sub-stocks B1 (Gabon) and B2 (west South Africa, Namibia, Angola) • Would make sense to thus try and assess B1 and B2 separately.
Reference:
Johnston, S. J. (2008). Summary of the data and information available for the assessment of breeding stock B of the Southern Hemisphere humpback whales. SC/60/SH39
Johnston, S. J. (2008). Summary of the data and information available for the assessment of breeding stock B of the Southern Hemisphere humpback whales University of Cape Town ,Faculty of Science ,Marine Resource Assessment and Management Group. Retrieved from http://hdl.handle.net/11427/18810
Johnston, Susan J Summary of the data and information available for the assessment of breeding stock B of the Southern Hemisphere humpback whales. University of Cape Town ,Faculty of Science ,Marine Resource Assessment and Management Group, 2008. http://hdl.handle.net/11427/18810
Johnston SJ. Summary of the data and information available for the assessment of breeding stock B of the Southern Hemisphere humpback whales. 2008 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/18810