Brandao, A.; Ross-Gillespie, A.; Vermeulen, Els; Butterworth, D.S.
(NISC (Pty) Ltd and Informa UK Limited (trading as Taylor and Francis Group), 2023)
Photo-identification data for southern right whale cow–calf pairs on the South African calving grounds provide one of the longest abundance time-series for any whale population worldwide. Following a very steady increase ...