• In-situ observation strategies in order to monitor and understand the functioning of pelagic ecosystem in the Gulf of FinlandLips, Urmas; Lips, Inga; Kikas, Villu; Liblik, Taavi; Kuvaldina, Natalja; Altoja, Kristi; Norit, NelliBSSC 2009 : [7th Baltic Sea Science Congress 2009] : August 17-21, 2009, Tallinn, Estonia : abstract book2009 / p. 89