Amino acid dynamics across a grassland altitudinal gradient

Amino acids (AAs) have been the focus of an increasing amount of research in relation to nitrogen fluxes in soils. We use five temperate grassland sites across an altitudinal gradient to establish relationships between soil properties and the size of individual AA pools and their mineralisation rate...

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Veröffentlicht in:	Soil biology & biochemistry 2014-09, Vol.76, p.179-182
Hauptverfasser:	Farrell, Mark, Macdonald, Lynne M., Hill, Paul W., Wanniarachchi, Sudas D., Farrar, John, Bardgett, Richard D., Jones, Davey L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Agronomy. Soil science and plant productions Biochemistry and biology Biological and medical sciences Chemical, physicochemical, biochemical and biological properties Dissolved organic carbon DON Fundamental and applied biological sciences. Psychology Nitrogen mineralization Organic matter Physics, chemistry, biochemistry and biology of agricultural and forest soils Soil organic matter Soil science
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Zusammenfassung:	Amino acids (AAs) have been the focus of an increasing amount of research in relation to nitrogen fluxes in soils. We use five temperate grassland sites across an altitudinal gradient to establish relationships between soil properties and the size of individual AA pools and their mineralisation rate. Soil and soil solution chemistry, vegetation and microbial community structure, and standing concentrations of free- and peptide-AAs, were quantified. Mineralisation of AAs was universally rapid (t1/2
ISSN:	0038-0717 1879-3428
DOI:	10.1016/j.soilbio.2014.05.015