CTD measurements as a part of observation plan in the coastal area near Mersrags were performed within the project "AQUAFIMA – Integrating Aquaculture and Fisheries Management towards a sustainable regional development in the Baltic Sea Region". Observations were made at a potential fish spawning and nursing site in the coastal area of the Gulf of Riga in August 2013.

Secchi depth (m) measurements in Mersrags polygon were performed within the project "AQUAFIMA – Integrating Aquaculture and Fisheries Management towards a sustainable regional development in the Baltic Sea Region". Observations were made at a potential fish spawning and nursing site in the coastal area near Mersrags in August -September 2013.

Secchi depth (m) measurements in Skulte polygon were performed within the project "AQUAFIMA – Integrating Aquaculture and Fisheries Management towards a sustainable regional development in the Baltic Sea Region". Observations were made at a potential fish spawning and nursing site in the coastal area near Skulte in August -September 2013.