Plant and Soil

, Volume 287, Issue 1–2, pp 337–345 | Cite as

Short-term and long-term effects of tannins on nitrogen mineralisation and litter decomposition in kauri (Agathis australis (D. Don) Lindl.) forests

Original paper

Abstract

Kauri (Agathis australis (D. Don) Lindl.) occurs naturally in the warm temperate forest of northern New Zealand where it grows mixed with angiosperm tree species. Below mature kauri trees thick organic layers develop in which large amounts of nitrogen are accumulated. This nitrogen seems to be inaccessible to plants. While litter quality can explain the low decomposition rate below kauri, it is not known what causes the accumulation of nitrogen. We hypothesised that kauri tannins reduce nitrogen mineralisation and litter decomposition below kauri. We further hypothesised that high tannin concentrations in the soil would increase the availability of dissolved organic nitrogen relative to the availability of inorganic nitrogen. To test these hypotheses a laboratory incubation was carried out for 1 year. Purified tannins of kauri and of two other common New Zealand tree species were added to samples of the soil organic layer from under a kauri tree. The results suggest that during the first month of incubation the added tannins reduced nitrogen availability by sequestering proteins or by stimulating nitrogen immobilisation. In the long-term, the reduced nitrogen release, which was found following tannin addition, seems attributable to the complexation of proteins by tannins. It further appeared that the addition of tannins did not change the ratio of dissolved organic nitrogen to inorganic nitrogen in the long-term. We conclude that the effect of kauri tannins on nitrogen release offers a good explanation for the accumulation of nitrogen below kauri trees.

Keywords

Decomposition Kauri (Agathis australisNitrogen mineralisation Tannin 

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Notes

Acknowledgements

The investigations were supported by the Research Council for Earth and Life Sciences (ALW) with financial aid from the Netherlands Organisation for Scientific Research (NWO). We thank J. van Walsem and F. Möller for assistance with the chemical analyses, and J. Limpens for critical comments on a previous version of this manuscript. J. Burrough advised on the English.

References

  1. Ahmed M, Ogden J (1987) Population dynamics of the emergent conifer Agathis australis (D. Don) Lindl. (kauri) in New Zealand; I. Population structures and tree growth rates in mature stands. New Zeal J Bot 25:217–229Google Scholar
  2. Barton IL (1982) An investigation of aspects of the physiology and ecology of kauri (Agathis australis-Salisb). Unpublished MSc thesis University of Waikato, HamiltonGoogle Scholar
  3. Bloomfield C (1957) A review of work on the mechanism of podzol formation. New Zeal Soil News 5:154–158Google Scholar
  4. Bradley RL, Titus BD, Preston CP (2000) Changes to mineral N cycling and microbial communities in black spruce humus after additions of (NH4)2SO4 and condensed tannins extracted from Kalmia angustifolia and balsam fir. Soil Biol Biochem 32:1227–1240CrossRefGoogle Scholar
  5. Enright NJ (1999) Litterfall dynamics in a mixed conifer-angiosperm forest in northern New Zealand. J Biogeogr 26:149–157CrossRefGoogle Scholar
  6. Enright NJ, Ogden J (1987) Decomposition of litter from common woody species of kauri (Agathis australis Salisb.) forest in northern New Zealand. Aus J Ecol 12:109–124CrossRefGoogle Scholar
  7. Field JA, Lettinga G (1992) Toxity of tannic compounds to microorganisms. In: Hemingway RW, Laks PE (eds) Plant polyphenols. Synthesis, properties, significance. Plenum Press, New York pp 673–692Google Scholar
  8. Fierer N, Schimel JP, Cates RG, Zou J (2001) Influence of balsam poplar tannin fractions on carbon and nitrogen dynamics in Alaskan taiga floodplain soils. Soil Biol Biochem 33:1827–1839CrossRefGoogle Scholar
  9. Hättenschwiler S, Vitousek PM (2000) The role of polyphenols in terrestrial ecosystem nutrient cycling. Trends Ecol Evol 15:238–243PubMedCrossRefGoogle Scholar
  10. Hernes PJ, Benner R, Cowie G, Goni MA, Bergamaschi BA, Hedges JI (2001) Tannin diagenesis in mangrove leaves from a tropical estuary: a novel molecular approach. Geochim Cosmochim Acta 65:3109–3122CrossRefGoogle Scholar
  11. Jongkind AG, Buurman P Grain size distribution and clay mineralogy under kauri (Agathis australis). Geoderma (in press)Google Scholar
  12. Kraus TEC, Dahlgren RA, Zasoski RJ (2003a) Tannins in nutrient dynamics of forest ecosystems. A review. Plant Soil 256:41–66CrossRefGoogle Scholar
  13. Kraus TEC, Yu Z, Preston CM, Dahlgren RA, Zasoski RJ (2003b) Linking chemical reactivity and protein precipitation to structural characteristics of foliar tannins. J Chem Ecol 29:703–730CrossRefGoogle Scholar
  14. Kraus TEC, Zasoski RJ, Dahlgren RA, Horwarth WR, Preston CM (2004) Carbon and nitrogen dynamics in a forest soil amended with purified tannins from different plant species. Soil Biol Biochem 36:309–321CrossRefGoogle Scholar
  15. Northup RR, Dahlgren RA, Mc Coll JG (1998) Polyphenols as regulators of plant–litter–soil interactions in northern California’s pygmy forest: a positive feedback? Biogeochemistry 42:189–220CrossRefGoogle Scholar
  16. Northup RR, Yu Z, Dahlgren RA, Vogt KA (1995) Polyphenol control of nitrogen release from pine litter. Nature 377:227–229CrossRefGoogle Scholar
  17. Ogden J, Stewart GH (1995) Community dynamics of the New Zealand conifers. In: Enright NJ, Hill RS (eds) Ecology of the southern conifers. Melbourne University Press, pp 81–119Google Scholar
  18. Schimel JP, Van Cleve K, Cates RG, Clausen TP, Reichardt PB (1996) Effects of balsam poplar (Populus balsamifera) tannins and low molecular weight phenolics on microbial activity in taiga floodplain soil: implications for changes in N cycling during succession. Can J Bot 74:84–90Google Scholar
  19. Schofield JA, Hagerman AE, Harold A (1998) Loss of tannins and other phenolics from willow leaf litter. J␣Chem Ecol 24:1409–1421CrossRefGoogle Scholar
  20. Silvester WB (2000) Nitrogen cycling in kauri (Agathis australis) forest: an example of extreme accumulation, fixation and immobilisation of nitrogen. New Zeal J␣Bot 38:205–220Google Scholar
  21. Silvester WB, Orchard TA (1999) The biology of kauri (Agathis australis Salisb.) in New Zealand. I Production, biomass, carbon storage and litterfall in four forest remnants. New Zeal J Bot 37:553–571Google Scholar
  22. Swindale LD (1957) The effect of kauri vegetation upon the development of soils from rhyolite and olivine basalt. New Zeal Soil News 5:115–118Google Scholar
  23. Waterman PG, Mole S (1994) Analysis of phenolic plant metabolites. Blackwell Scientific Publications, Oxford. The Methods in Ecology Series, p 238Google Scholar
  24. Yu Z, Dahlgren RA (2000) Evaluation of methods for measuring polyphenols in conifer foliage. J Chem Ecol 26:2119–2140CrossRefGoogle Scholar
  25. Yu ZS, Northup RR, Dahlgren RA (1994) Determination of dissolved organic nitrogen using persulfate oxidation and conductimetric quantification of nitrate nitrogen. Commun Soil Sci Plant Anal 25:3161–3169CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media B.V. 2006

Authors and Affiliations

  • Eric Verkaik
    • 1
  • Anne G. Jongkind
    • 2
  • Frank Berendse
    • 1
  1. 1.Nature Conservation and Plant Ecology GroupWageningen UniversityPD WageningenThe Netherlands
  2. 2.Laboratory of Soil Science and GeologyWageningen UniversityWageningenThe Netherlands

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