MerMex program is a part meta program MISTRALS (Mediterranean Integrated STudies at Regional And Local Scales). It is a decennial program for systematic observations and research dedicated to the understanding of the Mediterranean Basin environmental process under the planet global change.

There is a closed collaboration with the French Mediterranean Sea observation network MOOSE and other MISTRALS programmes including  HYMEX and CHARMEX.

MerMex research is endorsed by the IGBP international programme IMBER, SOLAS and LOICZ.