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Study Regarding Hydrochemical Classification of the main Lakes from Fizes Watershed (Romania)

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Author(s): Tania MIHAIESCU | R. MIHAIESCU | E. MUNTEAN | Nicoleta MUNTEAN

Journal: Proenvironment Promediu
ISSN 1844-6698

Volume: 3;
Issue: 5;
Start page: 72;
Date: 2010;
Original page

Keywords: Fizes watershed | lakes | ponds | ion chromatography | anions | cations

ABSTRACT
Regarding to the importance of the ponds is noted an increasing interest in Europe, and also an increase of theawareness on the ponds contribution to biodiversity and proper functioning of the watersheds. Although significantprogress was made in establishing generic methodologies of analysis in the purpose of implementing water directive,small water bodies, as lakes and ponds are still insufficient represented. The study area, Fizes watershed, is located inTransylvania Plain, in the northern part of Romania. A distinct characteristic of this watershed is the presence of lakeunits (natural and artificial). Natural lakes and ponds are a polarizing element, which provides identity for the landscapein Fizes watershed, concentrates the majority of settlements in their close vicinity and also represent a support ofeconomical activities development, from agriculture to tourism.The objective of the present work is to discuss the major ion chemistry of the main lakes from Fizes watershed.Chemical classification also throws light on the concentration of various predominant cations, anions and theirinterrelationships. Water lake samples were collected from 11 sampling points covering the area during the years 2007and 2008 and were analyzed for physical-chemical characters. The system of lake units present distinctive physicalchemicalcharacteristics, influenced by local natural conditions, main factors being climate, morphometriccharacteristics of lakes, vegetation by shadowing, factors which together with biological conditions and anthropicinfluences shape the quality conditions of the lake waters. Climatic, hydrological and substrate conditions are reflectedin the resulting water quality. The lakes located in the upper part of the watershed can be included in the bicarbonateclass, while lakes located in the lower part are closer to sulphate waters.
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