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oai:fdr.uni-hamburg.de:16650 2026-06-22T08:34:32Z user-uhh

true 3.1 UHH.FDR 10.25592/uhhfdm.16650 Joscha N. Becker University of Hamburg Michaela A. Dippold University of Tübingen Emanueli M. Ndossi University of Götttingen Yakov Kuzyakov University of Göttingen Bahar S. Razavi Christian-Albrechts-University Kiel Sandra Spielvogel Christian-Albrechts-University Kiel Universität Hamburg 2025 2025-01-15 https://www.fdr.uni-hamburg.de/record/oai:fdr.uni-hamburg.de:16650 10.25592/uhhfdm.16649 Creative Commons Attribution 4.0 International Open Access <p>This dataset includes data from soil organo-chemical analyses conducted on the southwestern slope of Mount Kilimanjaro (3&deg;4&rsquo;33&rsquo;&rsquo;S; 37&deg;21&rsquo;12 E). Soil samples from seven research plots from 951 to 4190 m a.s.l.: A colline savanna (SAV), located below 1000 m a.s.l; grassland (GRA), located on the lower montane zone (1660 m a.s.l.); lower montane forest (FLM) at 1920 m a.s.l., dominated by <em>Macaranga kilimandscharica, Agauria salicifolia;</em> forest dominated by <em>Ocotea usambarensis </em>and <em>Cyathea manniana </em>(FOC) at 2120 m a.s.l.; <em>podocarpus latifolius</em>, <em>Prunus Africana</em> and <em>Hagenia abyssinica</em> dominated forest (FPO) at 2850 m a.s.l.; sub-alpine erica forest (FER) at 4000 m a.s.l.; alpine <em>Helichrysum cussion</em> vegetation (HEL) at 4200 m a.s.l.</p> <p><strong>Soil Samples</strong></p> <ul> <li>7 elevation zones (951 - 4190 m a.s.l.)</li> <li>3 independent field replicates per elevation zone</li> <li>Sampling depth: 0-10 cm</li> </ul> <p><strong>Methods</strong></p> <ul> <li>Lignin phenols: alkaline cupric oxide oxidation (Hedges and Ertel, 1982))</li> <li>Non-cellulosic neutral sugar concentration was analyzed by gas chromatography (Banfield et al. 2018, Prietzel et al., 2013).</li> </ul> <p><strong>Data structure</strong></p> <ul> <li>The dataset presents processed data as mean values of laboratory duplicates</li> <li>Sugars: rhamnose, fucose, ribose, arabinose, xylose, mannose, galactose, glucose [mg*g^-1_soil]</li> <li>Sum of sugars per total organic carbon [%]</li> <li>Ligning monomers: p-hydroxybenzaldehyde, p-hydroxyacetophenone, vanillin, acetovanillon, p-hydroxybenzoic-acid, syringaldehyde, vanillic-acid, acetosyringon, syringic-acid, p-coumaric-acid, ferulic-acid, vanillyl+syringyl+cinnamyl (VSC) [mg*g^-1_soil]</li> <li>Acid-to-aldehyde ratios of vanillyl (Ac-Al-V) and syringyl (Ac-Al-S) [mg*mg^-1]</li> <li>VSC per total organic carbon [%]</li> </ul> <p><strong>Reference:</strong></p> <p><em>Becker, J.N., Dippold, M.A., Ndossi, E.M., Kuzyakov, Y., Razavi, B.S., Spielvogel, S., 2025. Soil organic matter origin and composition along a 3200 m elevation gradient on Mount Kilimanjaro,&nbsp;CATENA, Volume 258, 2025, 109319, ISSN 0341-8162, https://doi.org/10.1016/j.catena.2025.109319.</em></p>