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  • Title: Does extensive agriculture influence the concentration of trace elements in the aquatic plant Veronica anagallis-aquatica?
    Author: Kroflič A, Germ M, Golob A, Stibilj V.
    Journal: Ecotoxicol Environ Saf; 2018 Apr 15; 150():123-128. PubMed ID: 29272716.
    Abstract:
    The present study describes the influence of extensive agriculture on the concentrations of As, Cr, Cu, Cd, Se, Pb and Zn in sediments and in the aquatic plant Veronica anagallis-aquatica. The investigation, spanning 4 years, was conducted on three watercourses in Slovenia (Pšata, Lipsenjščica and Žerovniščica) flowing through agricultural areas. The different sampling sites were chosen on the basis of the presence of different activities in these regions: dairy farming, stock raising and extensive agriculture. The concentrations of the selected elements in sediments and V. anagallis-aquatica were below the literature background values. The distribution of the selected elements among different plant parts (roots, stems and leaves) were also investigated. The majority of the studied elements, with the exception of Zn and Cu, were accumulated mainly in root tissues.
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