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A new cooperation between SMHI and the Finnish SYKE has started. This is the first AlgAware with data from samplings with the Finnish ship R/V Aranda. All phytoplankton samples from the Skagerrak, the Kattegat and the Baltic Sea contained low species diversities and all of the cell counts were low Last updated: Apr 23, 2014

1ALGAL SITUATION IN MARINE WATERS SURROUNDING SWEDEN AlgAware Oceanographic Unit No 6 June 2022 Sammanfattning Diversiteten av växtplankton var hög medan de totala cellantalen var låga i Västerhavet, förutom vid Å17 där även diversiteten var låg. Kalkflagellaten Emiliania huxleyi var talrik och av Last updated: Jun 29, 2022

AlgAware number 7 is split in two parts because the July cruise is divided into two. This report, part 2, presents phytoplankton analysis from the Skagerrak, the Kattegat and the southwestern part of the Baltic Proper. Phytoplankton analyses have partly been made on board, partly on land, at the Last updated: Apr 23, 2014

Baltic. More information about the algal situation can be found in the AlgAware-report for July (https //www.smhi.se/publikationer/publikationer/algrapporter.). The next regular monitoring cruise carried out by SMHI on board R/V Svea is planned between 10th – 16th of August, starting and finishing in Last updated: Aug 07, 2023

1ALGAL SITUATION IN MARINE WATERS SURROUNDING SWEDEN AlgAware Oceanographic Unit No 1, January 2022 Sammanfattning Pga ett fall av covid-19 ombord på Svea fick expeditionen avbrytas vid Bornholm i södra Östersjön och vända tillbaka till hemmahamnen, Lysekil. Alla stationer i Västerhavet provtogs Last updated: Jan 28, 2022

1ALGAL SITUATION IN MARINE WATERS SURROUNDING SWEDEN AlgAware Oceanographic Unit No 4 April 2022 Sammanfattning I Skagerrak var både de totala cellantalen och biodiversiteten låga på Å17 medan diversiteten var högre på Släggö. På Släggö återfanns den toxinbildande dinoflagellaten Dinophysis Last updated: May 06, 2022

common common common Snowella present present present present present Ebria tripartita present present present present Helicostomella subulata present 12 Om AlgAware SMHI genomför månatliga expeditioner i Östersjön och Västerhavet. Resultat baserade på semikvantitativ mikroskopanalys av planktonprover Last updated: Jul 18, 2022

1ALGAL SITUATION IN MARINE WATERS SURROUNDING SWEDEN AlgAware Oceanographic Unit No 3 March 2022 Sammanfattning I Skagerrak var de totala cellantalen höga, så även biodiversiteten. Olika arter av kiselalger dominerade det kustnära växtplanktonsamhället, framförallt kiselalgen Skeletonema marinoi Last updated: Apr 07, 2022

algae situation can be found in the Algaware report for October https //www.smhi.se/en/publications/publications/algal-situation-reports-2-1056 Figure 1. Transect showing CTD and MVP measurements of dissolved oxygen, salinity and temperature from the Sound through the Eastern Gotland Basin into the Last updated: Dec 08, 2022

the thermocline. No major peaks in chlorophyll fluorescence were observed. The Secchi depth in the Baltic Proper between 6 and 8 meters in all sampled areas. More information about the algal situation can be found in the Algaware report for August https //www Last updated: Oct 19, 2022