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chlorophyll concentrations were high in the surface water, but the integrated (0-10 and 0-30 meters) numbers were normal for January. The phytoplankton community was in its winter rest in the Baltic Sea. Only small cells were present like cryptomonads, pico cyanobacteria colonies and ciliates. The chlorophyll Last updated: Jan 31, 2019

simultaneously with the heterotrophic dinoflagellate P. danica, causing elevated chlorophyll concentrations. In the Baltic Sea, spring bloom was observed at BY5 in the southern and BCSIII-10 in the eastern Proper Baltic with high cell numbers of diatoms and the dinoflagellate Peridiniella catenata. The species Last updated: Apr 24, 2019

concentrations were very low at almost all stations in The Baltic Sea and the phytoplankton community was dominated by cryptomonads. The diatom spring bloom at Kalmar Sound, Ref.M1V1 was dominated by Skeletonema marinoi. The net sample taken from BY 32 was dominated by the cyanobacterium Aphanizomenon sp.. The Last updated: Apr 23, 2014

-OCEAN MODEL SUPPORTING WINTER NAVIGATION IN THE BALTIC SEA Part 2. Thermodynamics and meteorological coupling Anders Omstedt and Leif Nyberg Issuing Agency SMHI S-601 76 Norrköping Sweden Author (s) Anders Omstedt and Leif Nyberg Title ( and Subtitle) Report number RONo. 21 Report date January 1995 A coupled Last updated: Sep 30, 2020

were low but within normal for this month. The species diversity and total cell numbers were low at both stations at the Kattegat coast. The dinoflagellate Dinophysis acuta which has been rare in Swedish waters for some years was found at Anholt E. 3The Baltic Sea BY2 16th of September The Last updated: Oct 03, 2019

The integrated (0-20 meters) chlorophyll a concentrations were normal for the season at all Skagerrak sites. Chlorophyll a concentrations were however above normal in Kattegat at N14 and on the second sampling occasion at Anholt E. The phytoplankton community in the Skagerrak and the Kattegat was Last updated: Apr 23, 2014

Nodularia spumigena* were present at many stations and Dolichospermum sp. were found at BY38 and RefM1V1. As in Skagerrak and Kattegat, the chlorophyll concentrations in the Baltic Sea were low but within normal for June. Last updated: Jun 25, 2019

fluorescence peak at Å17. 3The Baltic Sea BY2 19th of August There were high cell numbers of the diatom Dactyliosolen fragilissimus, and Cerataulina pelagica and Pseudosolenia calcar- avis. Low amounts of the filamentous cyanobacterium Aphanizomenon flosaquae were found. Unidentified naked dinoflagellates Last updated: Sep 05, 2019

integrated (0-10 m and 0-20 m) chlorophyll a concentrations were within normal for the month at most stations, although just above normal at the stations close to the southern Skagerrak coast. Both the cell numbers and species diversity was generally low in the Baltic Sea. The only exception was the coastal Last updated: Nov 26, 2018

the Kattegat and was found in somewhat higher cell numbers in the Skagerrak samples. The potentially toxic dinoflagellate Azadinium spp was found in the Skagerrak where the National food agency`s toxin samples also had azaspiracids in them this week. In the Baltic Sea the phytoplankton diversity was Last updated: Oct 31, 2018