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 Is the destabilisation of Lake Peipsi ecosystem caused by increased phosphorus loading or decreased nitrogen loading?Nõges, Tiina; Laugaste, Reet; Loigu, Enn; Nedogarko, I.; Skakalski, Boris; Nõges, PeeterWater science & technology Water science and technology2005 / 3/4, p. 267-274 : ill