Time filter

Source Type

Fântânele, Romania

Dragus A.,UBB Cluj | Beldean-Galea M.S.,UBB Cluj | Mihaiescu R.,UBB Cluj | Mihaiescu T.,University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca | Ristoiu D.,UBB Cluj
Environmental Engineering and Management Journal | Year: 2012

The herbicide use can be seen as an auxiliary path for new farming methods, providing more advantageous farming and land use capabilities and increasing crop yields. Some of them are quickly degraded but others persist in the environmental compartments being toxic for human health and the environment. The aim of this study was to evaluate the impact of some triazine herbicides from agricultural sources on quality of well and surface water, in two regions of Romania with different agricultural activities. The study was focused on determination of triazine content from well waters used for human consumption. The triazines were isolated from water samples by solid phase extraction and analyzed by HPLC and UV detection. The results showed that the incidence of triazine herbicides in well water is connected with the agricultural activity, respectively the use of herbicides. Thus, the highest concentration of triazine compounds (10.47 μg/L), was found in well water samples collected from Turda area, with intense crop production activity, whilst in Sighisoara area, an area with intense livestock breeding, the measured concentration was lower, around 5 μg/L. Surface water (Aries river) showed the lowest concentration of triazine, due to reduced farming activities in the catchment. Another point of this study showed that, the number of compounds, which were identified in well water, is variable, the most present compounds being atrazine and simazine. The results showed that the amount of triazine pesticides found in well water present a potential hazard over the population which uses this water for domestic requirements. Source

Mihaiescu R.,UBB Cluj | Pop A.I.,UBB Cluj | Mihaiescu T.,University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca | Muntean E.,University of Agricultural Sciences and Veterinary Medicine, Cluj-Napoca | And 3 more authors.
Environmental Engineering and Management Journal | Year: 2012

The main purpose of this paper is to present basic chemical and physical characteristics of Ighiu lake water, which is controlled by rock weathering, inputs from the chatchment, but it can be further affected by atmospheric deposition processes and biological activity in the water column. The survey was carried out in 2010. Water samples were collected from two different sites covering the middle of the lake and were analyzed for a pre-defined set of physical and chemical indicators to allow the build up of a meaningful database that can be used for comparative assessment and trend delineation. The results have shown a generally good water quality but have also shown the presence of minor traces of pesticides and heavy metals. The obtained data was classified according to Order 161/2006 into five quality classes, and the classification of the lake was established by using the percentile system V (90%). Source

Discover hidden collaborations