HYDROELECTRIC POWER PLANTS IN THE BASIN OF SŁUPIA RIVER – TOURISTIC ATTRACTION OR ECOLOGICAL THREAT? Journal title: Folia Pomeranae Universitatis Technologiae Stetinensis Agricultura Alimentaria Piscaria et Zootechnica Authors: Katarzyna BIGUS, Aleksander ASTEL, Józef ANTONOWICZ, Grzegorz NAŁĘCZ-JAWECKI, Agata DROBNIEWSKA Subject(s):