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Predominant Contributions Through Lichen and Fine Litter to Litterfall Mercury Deposition in a Subalpine Forest by Jen-How Huang; Björn Berg; Chaoyue Chen; Anne Thimonier; Maria Schmitt; Stefan Osterwalder; Christine Alewell; Jörg Rinklebe; Xinbin Feng is a Environmental Science article available to read on EtoBox.
What is Predominant Contributions Through Lichen and Fine Litter to Litterfall Mercury Deposition in a Subalpine Forest about?
Litterfall, typically referring to needles/leaves, may stand for >50% of the total mercury (Hg) deposition in forest ecosystems. By detailed categorisation, we reveal for the first time that the contributions through lichens and fine litter, together 9.98 μg Hg m−2 yr−1, could be as high as that in needle litter (9.96 μg m−2 yr−1) to the annual total Hg deposition (44.6 μg m−2 yr−1) in a subalpine forest in Switzerland. Noticeably, needle litter had the highest contribution (53%) to total Hg in the autumn litterfall but lichens and fine litter together predominated in other seasons (47–59%). Such a seasonal pattern is caused by the high ability of lichens and fine litter to accumulate Hg and the high needle litterfall in autumn, which is related to a good rainfall in summer followed by a dry period in autumn. The constantly higher Hg levels in lichens and fine litter than in needle litter together with similar seasonal patterns of litterfall during 2009–2019 and rainfall during 1980–2019 suggest that our finding can be generally valid. Here, we highlight not only the considerable role of non-needle litterfall in Hg deposition but also the association with weather for seasonal Hg dy
Who reads Predominant Contributions Through Lichen and Fine Litter to Litterfall Mercury Deposition in a Subalpine Forest?
It is typically read by researchers, students, and practitioners in Environmental Science.
- Author
- Jen-How Huang; Björn Berg; Chaoyue Chen; Anne Thimonier; Maria Schmitt; Stefan Osterwalder; Christine Alewell; Jörg Rinklebe; Xinbin Feng
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Environmental Science (Physical Sciences)