Sources of uncertainty in assessment of marine phytoplankton communities - Karsten Mikael Dromph; Susana Agusti; Alberto Basset; Javier Franco; Peter Henriksen; John Icely; Sirpa Lehtinen; Snejana Moncheva; Marta Revilla; Leonilde Roselli; Kai Sørensen (Hydrobiologia, 2013)