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Lang, F. [Author]; Krüger, J. [Author]; Amelung, W. [Author]; Willbold, S. [Author]; Frossard, E. [Author]; Bünemann, E.K. [Author]; Bauhus, J. [Author]; Nitschke, R. [Author]; Kandeler, E. [Author]; Marhan, S. [Author]; Schulz, S. [Author]; Bergkemper, F. [Author]; Schloter, M. [Author]; Luster, J. [Author]; Guggisberg, F. [Author]; Kaiser, K. [Author]; Mikutta, Robert [Author]; Guggenberger, G. [Author]; Polle, A. [Author]; Pena, R. [Author]; Prietzel, J. [Author]; Rodionov, A. [Author]; Talkner, U. [Author]; Meesenburg, H. [Author]; [...]

Soil phosphorus supply controls P nutrition strategies of beech forest ecosystems in Central Europe - [published Version]

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  • Media type: Text; E-Article
  • Title: Soil phosphorus supply controls P nutrition strategies of beech forest ecosystems in Central Europe
  • Contributor: Lang, F. [Author]; Krüger, J. [Author]; Amelung, W. [Author]; Willbold, S. [Author]; Frossard, E. [Author]; Bünemann, E.K. [Author]; Bauhus, J. [Author]; Nitschke, R. [Author]; Kandeler, E. [Author]; Marhan, S. [Author]; Schulz, S. [Author]; Bergkemper, F. [Author]; Schloter, M. [Author]; Luster, J. [Author]; Guggisberg, F. [Author]; Kaiser, K. [Author]; Mikutta, Robert [Author]; Guggenberger, G. [Author]; Polle, A. [Author]; Pena, R. [Author]; Prietzel, J. [Author]; Rodionov, A. [Author]; Talkner, U. [Author]; Meesenburg, H. [Author]; [...]
  • imprint: New York, NY : Springer International Publishing, 2017
  • Published in: Biogeochemistry 2017 (2017)
  • Issue: published Version
  • Language: English
  • DOI: https://doi.org/10.15488/2041; https://doi.org/10.1007/s10533-017-0375-0
  • ISSN: 0168-2563
  • Keywords: P-recycling ; Forest ecosystem nutrition ; P geosequence ; P acquiring
  • Origination:
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  • Description: Phosphorus availability may shape plant–microorganism–soil interactions in forest ecosystems. Our aim was to quantify the interactions between soil P availability and P nutrition strategies of European beech (Fagus sylvatica) forests. We assumed that plants and microorganisms of P-rich forests carry over mineral-bound P into the biogeochemical P cycle (acquiring strategy). In contrast, P-poor ecosystems establish tight P cycles to sustain their P demand (recycling strategy). We tested if this conceptual model on supply-controlled P nutrition strategies was consistent with data from five European beech forest ecosystems with different parent materials (geosequence), covering a wide range of total soil P stocks (160–900 g P m−2; <1 m depth). We analyzed numerous soil chemical and biological properties. Especially P-rich beech ecosystems accumulated P in topsoil horizons in moderately labile forms. Forest floor turnover rates decreased with decreasing total P stocks (from 1/5 to 1/40 per year) while ratios between organic carbon and organic phosphorus (C:Porg) increased from 110 to 984 (A horizons). High proportions of fine-root biomass in forest floors seemed to favor tight P recycling. Phosphorus in fine-root biomass increased relative to microbial P with decreasing P stocks. Concomitantly, phosphodiesterase activity decreased, which might explain increasing proportions of diester-P remaining in the soil organic matter. With decreasing P supply indicator values for P acquisition decreased and those for recycling increased, implying adjustment of plant–microorganism–soil feedbacks to soil P availability. Intense recycling improves the P use efficiency of beech forests. © 2017 The Author(s)
  • Access State: Open Access
  • Rights information: Attribution (CC BY)