SHARK - Regional marine environmental monitoring and other monitoring projects of vegetation-covered bottoms in Sweden since 1994.

Information about the programme and methods is available in Swedish on the Agency for Marine and Water Management's website.
- https://www.havochvatten.se/surveillance-and-follow-up/miljoovervakning/organization-and-programomraden/miljoovervakningens-programomrade-coastal-and-sea/subprogram-vegetationskladda-bottnar.html
- https://www.havochvatten.se/government-by-laws/government-by-government/other-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government.html
- https://www.havochvatten.se/government-by-laws/government-by-government/other-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government-by-government.html

Data is stored in Svenskt HavsARKiv (SHARK) by the Swedish Meteorological and Hydrological Institute (SMHI).
The monitoring is carried out by Swedish universities and consulting companies.