VSE knjižnice (vzajemna bibliografsko-kataložna baza podatkov COBIB.SI)
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Insights into seasonal variations in mercury isotope composition of lichens [Elektronski vir]Božič, Dominik, 1996- ; Horvat, Milena, 1958-Lichens are commonly used to assess mercury (Hg) concentrations in air because of their cost-effectiveness. However, recent research has revealed temporal variations in the isotopic composition of ... Hg. Previous work on this topic leaves open questions about the repeatability of data over multiple seasons, different types of sampling (transplantation or in-situ collection), and diverse locations. This study aims to address these issues by conducting a high-frequency sampling campaign of in-situ and transplanted lichens and atmospheric particulate matter (APM). Sampling sites included a range of areas, from pristine to Hg-contaminated sites. Isotopic analysis showed that the isotopic composition of Hg in lichens undergoes mass-dependent fractionation and changes with time. The heaviest isotopic composition was observed in summer and the lightest in winter. These trends were consistent across polluted and unpolluted environments, as well as in both in-situ and transplanted lichens and in APM. The results further indicated towards a correlation between changes in Hg concentrations and isotopic composition in lichens and environmental factors. All of these variables seem to be changing at the same frequency and may have not just correlation but also causation relationship. Environmental factors seem to be influencing the Hg concentrations and isotopic composition. The summer high temperatures might be influencing the heavier isotopic fingerprint observed in lichens during the same season. Similarities with APM-bound Hg suggest a common underlying mechanism. This study highlights the importance of considering temporal and seasonal trends, as well as the method of lichen sampling, when interpreting results. Researchers using lichens as proxies for atmospheric Hg concentrations or isotope ratios should consider these findings when designing their studies.Vir: Environmental Pollution [Elektronski vir]. - ISSN 1873-6424 (Vol. 340, Part 1, [article no.] 122740, 1. Jan. 2024, str. 1-7)Vrsta gradiva - e-članek ; neleposlovje za odrasleLeto - 2024Jezik - angleškiCOBISS.SI-ID - 169381123
Avtor
Božič, Dominik, 1996- |
Horvat, Milena, 1958-
Teme
lichens |
air pollution |
mercury |
types of sampling |
lišaji |
onesnaženje zraka |
tipi vzorčenja
Vnos na polico
Trajna povezava
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Božič, Dominik, 1996- | 54685 |
Horvat, Milena, 1958- | 05027 |
Vir: Osebne bibliografije
in: SICRIS
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