Naslov
Accumulation of major and trace elements in pine needles (Pinus nigra) in the Viennese Conurbation

Autori
Zeiner, Michaela ; Juranović Cindrić, Iva

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
18th Austrian Chemistry Days : Book of Abstracts / Buchberger, Wolfgang - Linz : Johannes Kepler University, 2019

Skup
18th Austrian Chemistry Days

Mjesto i datum
Linz, Austrija, 24.10.2019. - 27.10.2019

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
major and trace elements ; pine needles (Pinus nigra)

Sažetak
Due to increasing heavy metal pollution in the environment as well as to the fact that pine needles are considered as good bio-monitors for air pollutants, their accumulation in pine needles in Vienna (Austria) was investigated. P. nigra J. F. Arnold, also called Austrian pine, is widespread in the city, thus allowing the study of different parameters influencing metal accumulation. The sampling sites were chosen based on traffic volume (low, medium, high). Fresh needles were collected alongside one-year-old needles once per week from May to August 2015, to test for changes in space and time. Washed and dried samples underwent acidic microwave assisted digestion prior to quantitative determination by spectrometric methods. The investigation was focused on 22 elements, namely Ag, Al, As, B, Ba, Be, Cd, Co, Cr, Cu, Fe, K, Li, Mn, Mo, Ni, Pb, Se, Sr, U, V, and Zn. Older needles mainly contained higher contents of elements, especially of Ag, B, Ba, Co, Cr, Fe, K, Li, Pb, Se, Sr, U, and V, whose values even differed statistically significantly. Correlating needle elemental contents with sampling site, i.e. traffic volume, only negligible influence by this parameter was found. These findings show that not only the local traffic situation determines the metal impact, but also soil elemental levels and translocation processes and/or not traffic related sources even in remote places have to be taken into account. Furthermore, no general trend of metal accumulation from spring to summer was registered.

Izvorni jezik
Engleski

Znanstvena područja
Kemija

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