Engaging the broader community in biodiversity research: the concept of the COMBER pilot project for divers in ViBRANT oleh Christos Arvanitidis, Sarah Faulwetter, Georgios Chatzigeorgiou, Lyubomir Penev, Olaf Bánki, Thanos Dailianis, Evangelos Pafilis, Michail Kouratoras, Eva Chatzinikolaou, Lucia Fanini, Aikaterini Vasileiadou, Christina Pavloudi, Panagiotis Vavilis, Panagiota Koulouri, Costas Dounas