- Data from: Primary production calculations for sea ice from bio-optical observations in the Baltic Sea(2017-08-16) Müller, Susann; Vähätalo, Anssi V.; Uusikivi, Jari; Majaneva, Markus; Majaneva, Sanna; Autio, Riitta; Rintala, Janne-Markus; University of Helsinki - Müller, Susann; University of Jyväskylä - Vähätalo, Anssi V.; Finnish Environment Institute - Uusikivi, Jari; Finnish Environment Institute - Majaneva, Markus; Finnish Environment Institute - Majaneva, Sanna; Finnish Environment Institute - Autio, Riitta; University of Helsinki - Rintala, Janne-Markus