N-15 natural abundance during early and late succession in a middle-European dry acidic grassland

Beyschlag W, Hanisch S, Friedrich S, Jentsch A, Werner C (2009)
PLANT BIOLOGY 11(5): 713-724.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
delta N-15 and total nitrogen content of above- and belowground tissues of 13 plant species from two successional stages (open pioneer community and ruderal grass stage) of a dry acidic grassland in Southern Germany were analysed, in order to evaluate whether resource use partitioning by niche separation and N input by N-2-fixing legumes are potential determinants for species coexistence and successional changes. Within each stage, plants from plots with different legume cover were compared. Soil inorganic N content, total plant biomass and delta N-15 values of bulk plant material were significantly lower in the pioneer stage than in the ruderal grass community. The observed delta N-15 differences were rather species- than site-specific. Within both stages, there were also species-specific differences in isotopic composition between above- and belowground plant dry matter. Species-specific delta N-15 signatures may theoretically be explained by (i) isotopic fractionation during microbial-mediated soil N transformations; (ii) isotopic fractionation during plant N uptake or fractionation during plant-mycorrhiza transfer processes; (iii) differences in metabolic pathways and isotopic fractionation within the plant; or (iv) partitioning of available N resources (or pools) among plant groups or differential use of the same resources by different species, which seems to be the most probable route in the present case. A significant influence of N-2-fixing legumes on the N balance of the surrounding plant community was not detectable. This was confirmed by the results of an independent in situ removal experiment, showing that after 3 years there were no measurable differences in the frequency distribution between plots with and without N-2-fixing legumes.
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Zeitschriftentitel
PLANT BIOLOGY
Band
11
Zeitschriftennummer
5
Seite
713-724
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Beyschlag W, Hanisch S, Friedrich S, Jentsch A, Werner C. N-15 natural abundance during early and late succession in a middle-European dry acidic grassland. PLANT BIOLOGY. 2009;11(5):713-724.
Beyschlag, W., Hanisch, S., Friedrich, S., Jentsch, A., & Werner, C. (2009). N-15 natural abundance during early and late succession in a middle-European dry acidic grassland. PLANT BIOLOGY, 11(5), 713-724. doi:10.1111/j.1438-8677.2008.00173.x
Beyschlag, W., Hanisch, S., Friedrich, S., Jentsch, A., and Werner, C. (2009). N-15 natural abundance during early and late succession in a middle-European dry acidic grassland. PLANT BIOLOGY 11, 713-724.
Beyschlag, W., et al., 2009. N-15 natural abundance during early and late succession in a middle-European dry acidic grassland. PLANT BIOLOGY, 11(5), p 713-724.
W. Beyschlag, et al., “N-15 natural abundance during early and late succession in a middle-European dry acidic grassland”, PLANT BIOLOGY, vol. 11, 2009, pp. 713-724.
Beyschlag, W., Hanisch, S., Friedrich, S., Jentsch, A., Werner, C.: N-15 natural abundance during early and late succession in a middle-European dry acidic grassland. PLANT BIOLOGY. 11, 713-724 (2009).
Beyschlag, Wolfram, Hanisch, S., Friedrich, S., Jentsch, A., and Werner, Christiane. “N-15 natural abundance during early and late succession in a middle-European dry acidic grassland”. PLANT BIOLOGY 11.5 (2009): 713-724.

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Retrieving nitrogen isotopic signatures from fresh leaf reflectance spectra: disentangling δ(15)N from biochemical and structural leaf properties.
Hellmann C, Große-Stoltenberg A, Lauströ V, Oldeland J, Werner C., Front Plant Sci 6(), 2015
PMID: 25983740
Evidence from the real world: ¹⁵N natural abundances reveal enhanced nitrogen use at high plant diversity in Central European grasslands
Kleinebecker T, Hölzel N, Prati D, Schmitt B, Fischer M, Klaus VH, Jones R., J Ecol 102(2), 2014
PMID: IND500732180

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