A multi-analytical approach to studying the chemical composition of typical carbon sink samples

Author:

Astolfi Maria Luisa,Massimi Lorenzo,Rapa Mattia,Plà Rita Rosa,Jasan Raquel Clara,Tudino Mabel Beatriz,Canepari Silvia,Conti Marcelo Enrique

Abstract

AbstractPeatlands in southern South America (Tierra del Fuego region, TdF) play a key role in the ecological dynamics of Patagonia. It is, therefore, necessary to increase our knowledge and awareness of their scientific and ecological value to ensure their conservation. This study aimed to assess the differences in the distribution and accumulation of elements in peat deposits and Sphagnum moss from the TdF. Chemical and morphological characterization of the samples was carried out using various analytical techniques, and total levels of 53 elements were determined. Furthermore, a chemometric differentiation based on the elemental content of peat and moss samples was performed. Some elements (Cs, Hf, K, Li, Mn, Na, Pb, Rb, Si, Sn, Ti and Zn) showed significantly higher contents in moss samples than in peat samples. In contrast, only Mo, S and Zr were significantly higher in peat samples than in moss samples. The results obtained highlight the ability of moss to accumulate elements and to act as a means to facilitate the entry of elements into peat samples. The valuable data obtained in this multi-methodological baseline survey can be used for more effective conservation of biodiversity and preservation of the ecosystem services of the TdF.

Funder

Sapienza Università di Roma

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

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