GIS-based quantification of future nutrient loads into Lake Peipsi/Chudskoe using qualitative regional development scenariosMourad, Daniel S.J.; Perk, Marcel van der; Gooch, G.D.; Loigu, Enn; Piirimäe, KristjanProceedings of Diffuse Pollution and Basin Management Conference (DipCon), Dublin, 17-22 Aug., 20032003 / p. 105-111 Is the destabilisation of Lake Peipsi ecosystem caused by increased phosphorus loading or decreased nitrogen loadingNõges, Tiina; Laugaste, Reet; Loigu, Enn; Nedogarko, I.; Skakalski, Boris; Nõges, PeeterProceedings of Diffuse Pollution and Basin Management Conference (DipCon), Dublin, 17-22 Aug., 20032003 / p. 1-8