Influence of pollution sources of points and areals differentiation on the concentration of phosphorus and nitrogen compounds in water of Mały Jeziorak Lake.

Abstract

There were showed influence of the points (local and city reception basin outflow) and the areas (recreation area and wasteland) differentiation of pollution sources on the concentration of nitrogen and phosphorus compounds in water of Mały Jeziorak Lake. There were analyzed NO3, NO2, NH4, total P and PO4 content. Results of the studies were indicated that the most components concentration was low in I class of water cleanliness. There was more ammonium and nitrate nitrogen content near the recreation area and more nitrate nitrogen content in spring and summer time near the dairy outflow. Moreover, higher total phosphorus content but not more than in I class of water cleanliness norm were in the lake water with village rain outflow and near the recreation area and, phosphates content in II class water cleanliness in spring time near the recreation area. ODDZIAŁYWANIE ZRÓŻNICOWANIA PUNKTOWYCH I OBSZAROWYCH ŹRÓDEŁ ZANIECZYSZCZEŃ NA ZAWARTOŚĆ ZWIĄZKÓW FOSFORU I AZOTU W WODZIE JEZIORA MAŁY JEZIORAK Danuta Domska, Katarzyna Wojtkowiak Katedra Podstaw Bezpieczeństwa Uniwersytet Warmińsko-Mazurski w Olsztynie S ł o w a k l u c z o w e: jezioro Mały Jeziorak, woda, związki azotu i fosforu. Address: Danuta Domska, University of Warmia and Mazury, ul. Okrzei 1a, 10-266 Olsztyn, Poland, phone: +48 (89) 526 63 80, e-mail: danuta.domska@uwm.edu.pl