HELCOM assessment units in subbasin scale as defined in the new HELCOM Monitoring and Assessment Strategy (http://www.helcom.fi/stc/files/environment/HELCOM%20Monitoring%20and%20Assessment%20Strategy_Att4.pdf) published in 2013. . Subbasin divisioning is indicated as lines in this dataset. |
HELCOM subbasin division lines 2018 |