Fig. 1. Map of study area. Hydrographic stations aremarked with asterisks (in bold transects used to obtain vertical temperature profiles shown in Fig. 2). Zooplankton sampling stations
aremarkedwith triangles: S200 and S900 located in Balearic subbasin (Sóller) at 200 and 900 mdepth respectively and C200 and C900 in Algerian subbasin (Cabrera) at 200 and 900 m respectively.