[1] Univ Autonoma Barcelona, Fac Filosofia & Lletres, Dept Geog, Edifici B, E-08193 Bellaterra, Spain
[2] Univ Autonoma Barcelona, Fac Biociencies, Unitat Bot, E-08193 Bellaterra, Spain
[3] CSIC, ICT, Inst Ciencies Terra Jaume Almera, E-08028 Barcelona, Spain
[4] ICREA, Barcelona, Spain
[5] IPHES Inst Catala Paleoecol Humana & Evolucio Soc, E-43007 Tarragona, Spain
[6] Univ Rovira & Virgili, Fac Lletres, Area Prehist, E-43002 Tarragona, Spain
[7] Univ Toulouse II Le Mirail, CNRS, UMR 5602, UTM Geog Environm, F-31058 Toulouse 9, France
[8] MINOA Arqueol & Serv SL I D, E-08193 Bellaterra, Spain