The WIO regional benthic imagery workshop: lessons from past IIOE-2 expeditions by Haupt, T, Ceasar, J, Stefanoudis, PV, von der Meden, C, Payne, R, Adams, L, Anders, D, Bernard, A, Coetzer, W, Florence, W, Janson, L, Johnson, A, Juby, R, Kock, A, Langenkämper, D, Nadjim, A, Parker, D, Samaai, T, Snyders, L, Upfold, L, van der Heever, G, Williams, L