Charles University [Prague] ; Charles University in Prague (CZECH REPUBLIC)
Polish Academy of Science, Inst Bot ; Polish Academy of Sciences
Station biologique de Paimpont ; Université de Rennes 1 (UR1)
Ecosystèmes, biodiversité, évolution (ECOBIO) ; CNRS - INEE - Observatoire des Sciences de l'Univers de Rennes - Université de Rennes 1 (UR1)
programme 136 ECOBIO of the French Polar Institute (IPEV). This contribution has been supported financially by the National Centre of Science through grants No. N N 303 469 338 for Ryszard Ochyra and NN 303 572 038 for Beata Cykowska.
