Chemical and biological characterization of dissolved organic matter from silver fir and beech forest soils

Chemosphere
D PizzeghelloS Nardi

Abstract

Despite a growing attention to the dissolved organic matter (DOM) in terrestrial ecosystems and evidence of the fact that vegetation affects the quality of both undissolved and dissolved organic matter in soil, the role of DOM as a biological indicator is still poorly understood. In this work, the fertility of 59 sites, divided into eight key alliances of the order Fagetalia sylvaticae Pawl., was studied considering chemical and biological parameters such as soil DOM, hormone-like activity, low-molecular-weight (LMW) aliphatic and phenolic acids, and floristic data. Both non-parametric tests and principal component analysis (PCA) revealed differences between silver fir and beech forests and within each type of forest. There were also differences between neutrophilous and acidophilous types. What's more, PCA reveals the dominance of the auxin (IAA)-like activity, and of some phenolic acids in distinguishing the acidophilous beeches (ACI) form the other types, whereas the gibberellin (GA)-like activity is more relevant in neutrophilous conditions such as thermophilous (THE) and mesophilous (MESO) beeches and montane (MO), high montane (HMA), high montane (HMC) silver fir forests. The GA-like activity is also related to the succin...Continue Reading

Citations

Mar 25, 2009·Applied Microbiology and Biotechnology·Manuel LiebekeMichael Lalk
Oct 18, 2011·Journal of Agricultural and Food Chemistry·Andrea ErtaniSerenella Nardi
Dec 10, 2013·TheScientificWorldJournal·Valerie VranovaPavel Formanek
Feb 11, 2015·The Science of the Total Environment·Barbara ScagliaFabrizio Adani
Mar 19, 2013·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Jean-Paul CornardErwan André
Nov 19, 2015·Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes·Kenya NagasawaToshiharu Ichijo
Apr 22, 2016·The Science of the Total Environment·Barbara ScagliaFabrizio Adani
Oct 29, 2013·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·M Samsonowicz
Nov 12, 2015·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Davide SavyAlessandro Piccolo
Feb 13, 2016·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Andrea ErtaniSerenella Nardi
May 10, 2018·Frontiers in Microbiology·Gitanjali NandaKafleVolker S Brözel
Aug 5, 2017·Journal of the Science of Food and Agriculture·Lara Abou ChehadeFrancesco Paolo Fanizzi
Jan 21, 2020·The Science of the Total Environment·Jinkiat ChewXiaorong Fan

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