The Seabased Project
The most large-scale problem of the Baltic Sea is eutrophication. While we’ve been successful in cutting the nutrient load from land, nutrients that are stored in the seabed slow down the Sea’s recovery. The SEABASED Project (Seabased Measures in Baltic Sea Nutrient Management) will assess measures that improve the status of marine area by reducing the internal load of the sea. The project will pilot selected measures in the pilot areas in Finland, Åland and Sweden.
What does internal load mean?
Check out the basic terminology.
November 21, 2019Developing the process of the production of sorbent at Cementa AB
Christian Roman is a master’s student studying environmental science at Stockholm University. He has worked with Cementa AB for the last 6 months and shares his experiences on working with the sorbent used in SEABASED pilots.
October 18, 2019A field excursion to the cement factory in Slite, Gotland
When in Gotland, it is hard not to talk about limestone and the local Cementa factory. The factory was originally built 100 years ago in 1919 and now employs around 230 in Slite. The SEABASED project team and steering group visited the factory to learn more not only about the making of Cementa’s products but also about the sorbent, that is used in our pilot, which is treated in this factory. This sorbent is produced from marl and is used to bind phosphorus to the sediment in pilot sites in Sweden and Finland.
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SEABASED pilots are small-scale local activities, testing methods to alleviate the internal nutrient load in the Baltic Sea with low risks of causing any negative effects to the ecosystem. Piloted measures, that could help reduce the effects of excess nutrient load in the Baltic Sea include e.g. removing the active, oxygen-consuming surface layer of bottom sediment; recycling the nutrient-rich water from the proximity of the seabed for use in farming; and retaining phosphorus in the seabed sediment using natural, limestone-based materials, e.g. marl. Most of SEABASED pilot activities will be implemented during 2019.Go to pilots