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000017800 0247_ $$2DOI$$a10.1016/j.geoderma.2011.09.012
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000017800 084__ $$2WoS$$aSoil Science
000017800 1001_ $$0P:(DE-HGF)0$$aOelmann, Y.$$b0
000017800 245__ $$aDoes plant diversity influence phosphorus cycling in experimental grasslands?
000017800 260__ $$aAmsterdam [u.a.]$$bElsevier Science$$c2011
000017800 300__ $$a178 - 187
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000017800 500__ $$aWe gratefully acknowledge the contribution of the co-initiators of the Jena Experiment, E.-D. Schulze and B. Schmid. Thanks to G. Gleixner and S. Steinbeiss, Max Planck Institute for Biogeochemistry, Jena, for their substantial input into this work. Special thanks to Agnes Rehmus for her great commitment in running the CFA. We thank the many people who helped with the management of the experiment especially the gardeners S. Eismann, S. Hengelhaupt, S. Junghans, U. Kober, K. Kuntze, H. Scheffler and U. Wehmeier. Thanks also to all the helpers during the weeding campaigns. The Jena Experiment is funded by the Deutsche Forschungsgemeinschaft (DFG, Wi 1601/4-1,-2, FOR 456), with additional support from the Friedrich Schiller University of Jena and the Max Planck Society, and the Swiss National Science Foundation.
000017800 520__ $$aPlant diversity was shown to influence the N cycle, but plant diversity effects on other nutrients remain unclear. We tested whether plant species richness or the presence/absence of particular functional plant groups influences P partitioning among differently extractable pools in soil, P concentrations in soil solution, and exploitation of P resources (i.e. the proportion of total bioavailable Pin plants and soil that was stored in aboveground biomass) by the plant community in a 5-year biodiversity experiment in grassland.The experimental grassland site established in 2002 had 82 plots with different combinations of numbers of species (1, 2, 4, 8, 16, 60) and functional groups (grasses, small non-leguminous herbs, tall non-leguminous herbs, legumes). In 2007, we determined P partitioning (Hedley) in soil of all experimental plots. We sampled plant community biomass and continuously extracted soil solution with suction plates from March 2003 to February 2007 and determined PO4-P concentrations in all samples.The presence of legumes increased aboveground P storage in plants and decreased labile P-i concentrations in soil because of their higher demands for P associated with N-2 fixation. During cold periods, readily plant-available PO4-P concentrations in soil solution increased in legume-containing mixtures likely caused by leaching from P-rich residues. We found a consistently positive effect of plant species richness on P exploitation by the plant community which was independent of the presence of particular plant functional groups. With proceeding time after establishment, plant species richness increasingly contributed to the explanation of the variance in P exploitation. Therefore, plant strategies to efficiently acquire P seem to become increasingly important in these grasslands. We conclude that diverse plant communities are better prepared than less diverse mixtures to respond to P limitation induced by continuously high atmospheric N deposition. (C) 2011 Elsevier B.V. All rights reserved.
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000017800 65320 $$2Author$$aPhosphorus
000017800 65320 $$2Author$$aPlant diversity
000017800 65320 $$2Author$$aPlant P uptake
000017800 65320 $$2Author$$aP fractions in soil
000017800 65320 $$2Author$$aP in soil solution
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000017800 7001_ $$0P:(DE-HGF)0$$aRichter, A.K.$$b1
000017800 7001_ $$0P:(DE-HGF)0$$aRoscher, C.$$b2
000017800 7001_ $$0P:(DE-HGF)0$$aRosenkrank, S.$$b3
000017800 7001_ $$0P:(DE-Juel1)129409$$aTemperton, V.M.$$b4$$uFZJ
000017800 7001_ $$0P:(DE-HGF)0$$aWeisser, W.W.$$b5
000017800 7001_ $$0P:(DE-HGF)0$$aWilcke, W.$$b6
000017800 773__ $$0PERI:(DE-600)2001729-7$$a10.1016/j.geoderma.2011.09.012$$gVol. 167-168, p. 178 - 187$$p178 - 187$$q167-168<178 - 187$$tGeoderma$$v167-168$$x0016-7061$$y2011
000017800 8567_ $$uhttp://dx.doi.org/10.1016/j.geoderma.2011.09.012
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