Nutrient and microbial changes in the peat profile beneath Sphagnum magellanicum in response to additions of ammonium nitrate

Journal of Applied Ecology

Volumn 34, Issue 4, 1997, Pages 961-970

  Willams, B L ^a   Silcock, D J ^a  

^a SCOTTISH CROP RESEARCH INSTITUTE   (United Kingdom)

Author keywords

CO2 evolution; Microbial carbon; Microbial nitrogen; Nitrogen deposition; Organic nitrogen

Indexed keywords

AMMONIUM NITRATE; FERTILIZATION; NUTRIENT CONCENTRATION; PEAT; SPHAGNUM;

SCOTLAND; UK;

BRYOPHYTA; SPHAGNUM MAGELLANICUM;

EID: 0030881167     PISSN: 00218901     EISSN: None     Source Type: Journal    
DOI: 10.2307/2405286     Document Type: Article

References (34)

1. Aerts, R., Wallén, B. & Malmer, N. (1992) Growth-limiting nutrients in Sphagnum-dominated bogs subject to low and high atmospheric nitrogen supply. Journal of Ecology, 80, 131-140.
2. Anderson, J.P.E. & Domsch, K.H. (1978) A physiological method for the quantitative measurement of microbial biomass in soil. Soil Biology and Biochemistry, 10, 215-221.
3. Baxter, R., Emes, M.J. & Lee, J.A. (1992) Effects of an experimentally applied increase in ammonium on growth and amino-acid metabolism of Sphagnum cuspidatum Ehrh. ex. Hoffm. from differently polluted areas. New Phytologist, 120, 265-274.
4. van Breemen, N. (1995) How Sphagnum bogs down other plants. Trends in Ecology and Evolution, 10, 270-275.
5. Bremner, J.M. (1965) Inorganic forms of nitrogen. Methods of Soil Analysis, Part 2 (ed. C. A. Black), pp. 1179-1206. American Society of Agronomy, Madison, Wisconsin, USA.
6. Brookes, P.C., Landman, A., Pruden, G. & Jenkinson, D.S. (1985) Chloroform fumigation and the release of soil nitrogen: a rapid direct extraction method to measure microbial biomass nitrogen in soil. Soil Biology and Biochemistry, 17, 837-842.
7. Chapin, F.S., Moilanen, L. & Kielland, K. (1993) Preferential use of organic nitrogen for growth by a nonmycorrhizal arctic sedge. Nature, 361, 150-153.
8. Chapman, S.B. (1971) A simple conductimetric respirometer for field use. Oikos, 22, 348-353.
9. Clymo, R.S. (1970) The growth of Sphagnum: methods of measurement. Journal of Ecology, 58, 13-49.
10. Clymo, R.S. (1993) Productivity and decomposition of peatland ecosystems. Peatland Ecosystems and Man: An Impact Assessment (eds O. M. Bragg, P. D. Hulme, H. A. P. Ingram & R. A. Robertson), pp. 3-16. Department of Biological Sciences, University of Dundee, UK.
11. Collins, V.G., D'Sylva, B.T. & Latter, P. (1978) Microbial populations in peat. Production Ecology of British Moors and Montane Grasslands. Ecological Studies, 27 (eds O. W. Heal & D. F. Perkins), pp. 94-112. Springer-Verlag, Berlin.
12. Crooke, W.M. & Simpson, W.E. (1971) Determination of ammonium in Kjeldahl digests of crops by an automated procedure. Journal of the Science of Food and Agriculture, 22, 9-10.
13. Damman, A.W.H. (1988) Regulation of nitrogen removal and retention in Sphagnum bogs and other peatlands. Oikos, 51, 291-305.
14. Ferguson, P., Robinson, R.N., Press, M.C. & Lee, J.A. (1984) Element concentrations in five Sphagnum species in relation to atmospheric pollution. Journal of Bryology, 13, 107-114.
15. Fog, K. (1988) The effect of added nitrogen on the rate of decomposition of organic matter. Biological Reviews, 63, 433-462.
16. Francez, A.-J. (1991) Production primaire et accumulation de matière organique dans les tourbières à Sphaignes des Monts du Forez (Puy-de Dôme). PhD thesis, University of Paris, France.
17. Genstat 5 Committee (1993) Genstat 5 Release 3 Reference Manual, Oxford University Press, Oxford.
18. Henriksen, A. & Selmer-Olsen, A.R. (1970) Automatic methods for determining nitrate and nitrite in water and soil extracts. Analyst, 95, 514-518.
19. INDITE (1994) Impacts of Nitrogen Deposition in Terrestrial Ecosystems. Report of the United Kingdom Review Group on Impacts of Atmospheric Nitrogen. Department of the Environment, London.
20. Ingram, H.A.P. (1978) Soil layers in mires: function and terminology. Journal of Soil Science, 29, 224-227.
21. 2. Journal of Bryology, 19, 83-95.
22. Johnson, L.C., Damman, A.W.H. & Malmer, N. (1990) Sphagnum macrostructure as an indicator of decay and compaction in peat cores from an ombrotrophic south Swedish peat-bog. Journal of Ecology, 78, 633-647.
23. Kenward, M.G. (1987) A method of comparing profiles of repeated measurements. Applied Statistics, 36, 296-308.
24. Murphy, J. & Riley, J.P. (1962) A modified single solution method for the determination of phosphate in natural waters. Analytica Chimica Acta, 27, 31-36.
25. Newman, E.I. (1995) Phosphorus inputs to terrestrial ecosystems. Journal of Ecology, 83, 713-726.
26. von Post, L. (1922) Sveriges Geologiska Undersøknings torvinventering och nogra av dess hittils vunna resultat. Svenska Mosskulturføreningens Tidskrift, 36, 1-27.
27. Silcock, D.J. & Williams, B.L. (1995) The fate and effects of inorganic nitrogen inputs to raised bog vegetation. Ecosystem Manipulation Experiments. Ecosystems Research Report, 20 (eds A. Jenkins, R. C. Ferrier & C. Kirby), pp. 44-48. European Commission, Brussels.
28. EC-factor. Soil Biology and Biochemistry, 22, 301-307.
29. Verhoeven, J.T.A., Maltby, E. & Schmitz, M.B. (1990) Nitrogen and phosphorus mineralization in fens and bogs. Journal of Ecology, 78, 713-726.
30. Wall, L.L., Gehrke, C.W., Neuner, T.E., Cathey, R.D. & Rexroad, P.R. (1975) Total protein nitrogen: evaluation and comparison of four different methods. Journal of the Association of Official Agricultural Chemists, 58, 807-811.
31. Williams, B.L. & Sparling, G.P. (1984) Extractable nitrogen and phosphorus in relation to microbial biomass in acid organic soils. Plant and Soil, 76, 139-148.
32. Williams, B.L. & Young, M.E. (1994) Nutrient fluxes in runoff on reseeded blanket bog, limed and fertilized with urea, phosphorus and potassium. Soil Use and Management, 10, 173-180.
33. Williams, B.L., Shand, C.A., Hill, M., O'Hara, C., Smith, S. & Young, M.E. (1995a) A procedure for the simultaneous oxidation of total soluble nitrogen and phosphorus in extracts of fresh and fumigated soils and litters. Communications in Soil Science and Plant Analysis, 26, 91-106.
34. Williams, B.L, Silcock, D.J., Francez, A.-J., Gilbert, D., Buttler, A., Grosvernier, Ph., Vasander, H. & Jauhiainen, J. (1995b) Transformation of inorganic nitrogen deposition in European raised bogs. Ecosystem Manipulation Experiments. Ecosytems Research Report, 20 (eds A. Jenkins, R. C. Ferrier & C. Kirby), pp. 71-73. European Commission, Brussels.