SHARK - Regional marine environmental monitoring, recipient control and monitoring projects of Phytoplankton in Sweden since 1985

The monitoring is financed by the Swedish county administration boards, Swedish municipalities and Swedish coalitions of water conservation. Recipient control data financed by companies are also included. Monitoring is performed by Swedish universities and consulting firms. Data are stored in the Swedish Ocean Archive database (SHARK), by the Swedish Meteorological and Hydrological Institute. Data should be sampled and analyzed according to the HELCOM Guidelines for monitoring of phytoplankton species composition, abundance and biomass (https://helcom.fi/wp-content/uploads/2020/01/HELCOM-Guidelines-for-monitoring-of-phytoplankton-species-composition-abundance-and-biomass.pdfOpens in a new tab). However, deviations from the manual might occur. In short, analysis of phytoplankton species composition, abundance and biomass is carried out for the following purposes - to describe temporal trends in phytoplankton species composition, phytoplankton abundance, biomass as well as the intensity and occurrence of blooms - to describe the spatial distribution of phytoplankton species - to identify key phytoplankton species (e.g. dominating, harmful, potential non-indigenous and/or invasive species, as well as indicator species) - to provide basic data for complex ecosystem analyses, food web studies, modelling as well as political and social requirements such as indicators in the frame of the Marine Strategy Framework Directive of the European Union (MSFD; European Union 2008) and the EU Water Framework Directive (WFD; European Union 2000) (HELCOM COMBINE Manual https://www.helcom.fi/wp-content/uploads/2019/08/Guidelines-for-monitoring-phytoplankton-species-composition-abundance-and-biomass.pdfOpens in a new tab) Information about the program and the methods are available in Swedish at the website of Swedish Agency for Marine and Water Management, https://www.havochvatten.se/vagledning-foreskrifter-och-lagar/vagledningar/ovriga-vagledningar/undersokningstyper-for-miljoovervakning/undersokningstyper/vaxtplankton.htmlOpens in a new tab