Abstract
The Piracicaba, Capivari, and Jundiaí (PCJ) river basins in Brazil and the Kävlinge river basin in Sweden face challenges related to water availability, quality, and climate change. The PCJ basins, covering 76 municipalities and serving 5.8 million people, are known for low water availability and poor water quality. The Kävlinge river basin, historically modified to improve agricultural d…