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- Title
LOADING THE WATERS OF THE RIVER GWDA WITH BIOGENIC SUBSTANCES WITHIN THE ADMINISTRATIVE BOUNDARIES OF THE TOWN OF PIŁ A (NORTH-WEST POLAND).
- Authors
Machula, Sylwia; Raczyńska, Małgorzata; Kubiak, Jacek; Oczkowski, Grzegorz; Raczyński, Mariusz
- Abstract
The results of hydrochemical tests of the Gwdy river in the area of the town of Piła are presented in this study. The catchment area of the Gwda river comprises the area of 4942.8 km2. The surface of catchment area is covered with forest in 43.1%, arable land constitutes 36.5%, and grassland 7.2%. The Gwda river is a right-bank tributary of the Noteć River of IV order. Water samplings were collected in 2009 from three measurement and control points located between 13 and 24 kilometre of the course of the river. During the tests thermal and oxygen conditions were marked and biogenic substances (nitrate acid, ammonia nitrogen, nitrite nitrogen, total nitrogen, total phosphorus and mineral phosphorus). Concentrations of most of the indicators examined qualified the waters of Gwda to the waters of good quality. The indicator whose concentrations exceeded the limit values for the waters of quality was general phosphorus.
- Subjects
PILA (Poland); POLAND; WATER chemistry; RIVERS; WATERSHEDS; AMMONIA; COMPOSITION of water; NITROGEN in water; PHOSPHORUS in water; WATER quality
- Publication
Journal of Ecological Engineering, 2017, Vol 18, Issue 2, p103
- ISSN
2299-8993
- Publication type
Article
- DOI
10.12911/22998993/68213