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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

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

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

chlorophyll fluorescence were observed in the Arkona Basin and at Ref M1V1. The Secchi depth was 6 – 8 m. More information about the algal situation can be found in the Algaware report for August https //www.smhi.se/publikationer/publikationer/algrapporter Figure 1. Transect showing CTD measurements of Last updated: Aug 25, 2022

situation below. More detailed results are presented in the AlgAware report for July https //www.smhi.se/en/publications/publications/algal-situation-reports-2-1056 Daily algae monitoring via satellite is performed by SMHI during the summer and is available at https //www Last updated: Aug 01, 2022

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

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

1ALGAL SITUATION IN MARINE WATERS SURROUNDING SWEDEN AlgAware Oceanographic Unit No 11, November 2021 Sammanfattning I Västerhavet var artdiversiteten relativt hög vid flertalet stationer. Totala cellantalen varierade men var låga vid några stationer. Det var framför allt kiselalger som dominerade Last updated: Nov 26, 2021

thermocline. At several of the peaks, extra samples were taken for analysis of phytoplankton. The Secchi depth was 5-8 m. More information about the algal situation can be found in the Algaware report for June https //www.smhi.se/publikationer/publikationer/algrapporter Figure 1. Transect showing CTD and MVP Last updated: Jun 27, 2022

1ALGAL SITUATION IN MARINE WATERS SURROUNDING SWEDEN AlgAware Oceanographic Unit No 6, June 2021 Sammanfattning Vid samtliga stationer i Västerhavet dominerade kiselalger i olika grad och framför allt återfanns höga cellantal av Dactyliosolen fragilissimus. Bland de få dinoflagellater som noterades Last updated: Jun 23, 2021