WIN4LAKE; Win-win solution for the Baltic Sea Area Lakes’ Restoration

WIN4LAKE focuses on phosphorus accumulation in lakes in the Baltic Sea region. The idea is to return the phosphorus from surface lake sediments to food supply agriculture.

Phosphorus has been accumulating in lakes and the Baltic Sea, causing eutrophication and degradation of water bodies. Meanwhile there is an expected future shortage of phosphorus in the world. WIN4LAKE suggests that the stored phosphorus could be recovered and recycled in agriculture. Harvesting phosphorus can develop a circular economy that can contribute to a healthy Baltic Sea and lakes in the region.
WIN4LAKE wants to develop methods to return historically bound and leaking phosphorus from surface lake sediments to food supply agriculture. The goal is to test the methods in two lakes and prepare implementation for other lakes in the Baltic Area. The methods will hopefully contribute to a healthy Baltic Sea and lakes in the region. WIN4LAKE will do demonstration projects with full-scale phosphorus harvesting from lakes in Poland and Sweden, with plans to extend to Finland, Lithuania and Russia. Activities will also include investigations of the effect of recovered phosphorus for crop production, and reduced internal load of phosphorus to lakes and export to the Baltic Sea.