Holistic Assessments (HOLAS)
HELCOM holistic assessments (HOLAS) give a comprehensive overview of the ecosystem health of an entire regional sea – the Baltic Sea. These major assessments assist the region’s environmental managers and decision-makers, so that they can base their work on sound, up-to-date knowledge of the status of the sea.
In 2010, HELCOM completed the initial assessment (HOLAS) of the ecosystem health of the Baltic Sea – including the associated costs and benefits to the society. The assessment was based on data from 2003 to 2007.
The second HELCOM ‘State of the Baltic Sea’ holistic assessment (HOLAS 2) provides a comprehensive overview of the ecosystem health of the Baltic Sea based on data collected between 2011 and 2016.
The third holistic assessment of the Baltic Sea (HOLAS 3) covers the period 2016-2021. The results will be published in 2023 in stages, starting with the thematic assessments.