SHARK - National marine environmental monitoring of jelly plankton in Sweden since 2007.

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/miljosurveillance/organisation-and-programmearea/miljosurveillance-programmed-coastal-and-sea/subprogramme-free-watermass.html
- https://www.havochvatten.se/government-by-laws/government-by-government/other-government-by-government/government-by-government/government-by-government/government-by-government/government-by-government-by-government/government-by-government-by-government-by-government/government-by-government-by-government/government-by-government-by-government-by-government/government-by-government-by-government-by-government/government-by-government-government-by-government-government-

Data is stored in Svenskt HavsARKiv (SHARK) by the Swedish Meteorological and Hydrological Institute (SMHI).
The monitoring is carried out by the University of Gothenburg.