Figure 4 in The beetles of the Lesser Antilles (Insecta, Coleoptera): diversity and distributions

Figure 4. General fluctuation of relative sea levels (RSL) in the later part of the Pleistocene, derived from Waelbroeck et al. (2002) and Shackleton (2000) by Lascu (2005). This shows how varying were the sea levels (and thus island shorelines and island areas) through the last quarter of the Pleistocene. The result is that at times of lower sea levels during global glacials the islands of the Lesser Antilles had more exposed land and were closer to each other and overwater dispersal between islands was facilitated. Additionally, over this time span the higher islands of the southern islands were increasing in area and elevation through volcanic activity.