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Trends of major, minor and rare earth elements in decomposing litter in a cool temperate ecosystem, South Korea
Division of Earth and Environmental Sciences, Korea Basic Science Institute, Ochang, Chungbuk, Republic of Korea; Biology Department, Medgar Evers College, City University of New York, New York, NY, USA.
Division of Earth and Environmental Sciences, Korea Basic Science Institute, Ochang, Chungbuk, Republic of Korea.
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Electrical Engineering, Mathematics and Science, Biology. Department of Forest Sciences, University of Helsinki, Helsinki, Finland.
Division of Earth and Environmental Sciences, Korea Basic Science Institute, Ochang, Chungbuk, Republic of Korea; Chemical Analysis Division, National Forensic Service, Wonju, Republic of Korea.
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2019 (English)In: Chemosphere, ISSN 0045-6535, E-ISSN 1879-1298, Vol. 222, p. 214-226Article in journal (Refereed) Published
Abstract [en]

The decomposition dynamics of 34 different elements in four different litter types (foliar and woody litter) from Pinus densiflora (Korean red pine) and Castanea crenata (Korean chestnut) was investigated in a cool temperate ecosystem using the litterbag method. Two contrasting trends were observed in the dynamics of elements with accumulated mass loss of litter and carbon. Leaf litter of Korean chestnut, which was richer in elements, showed a general decrease in concentrations of elements with accumulated mass loss of litter and carbon on a dry mass basis during decomposition in the field. Other litter types, with initially lower concentrations of elements, exhibited an increase in concentration on a dry mass basis during field incubation. Highest relative increase in the concentration was noticed for the minor elements, and for the woody litters. Concentrations of major and minor elements increased by factors ranging from 1.07 for antimony (Sb) to 853.7 for vanadium (V). Rare earth elements (REE) concentrations increased by factors ranging from 1.04 for scandium (Sc) to 83.5 for thorium (Th). Our results suggest that litter type plays an important role for nutrient dynamics. Results from principal component analysis for major, minor, and rare earth elements showed grouping of elements and high correlation among them (P < 0.05), which suggests a common source. At both sites, element concentrations were high in the soil, especially for REE. This suggests that increase in element concentrations during field incubation probably was due to transfer of elements from soil to the overlying decomposing litter.

Place, publisher, year, edition, pages
2019. Vol. 222, p. 214-226
Keywords [en]
Litter decomposition, Minor elements, Rare earth elements, Cool temperate, South Korea
National Category
Biological Sciences
Identifiers
URN: urn:nbn:se:hig:diva-29375DOI: 10.1016/j.chemosphere.2019.01.114ISI: 000462109200026PubMedID: 30708155Scopus ID: 2-s2.0-85060959928OAI: oai:DiVA.org:hig-29375DiVA, id: diva2:1295829
Note

Funding:

- National Agenda Program (NAP) of the National Research Council of Science and Technology- Korea Basic Science Institute Grant no: C34700 

Available from: 2019-03-12 Created: 2019-03-12 Last updated: 2019-08-12Bibliographically approved

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