assessment of changes in the phosphorus status of forest ...

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Bowen GD and Nambiar EKS (eds) Nutrition of Plantation Forests. Academic Press. London. Pp181-209. Von Tyler G. (1992) Critical concentrations of heavy metals in the mor horizon of Swedish forests. Solna, Sweden, Swedish Environmental Protection Agency, Report 4078:1-38. v. Wilpert, K. (2003) Drift des Stofhaushalts in Fichten-Dungeversuch Pfalzgrafenweiler. Alleg. Forst. u. J. Zeitung 174 (2-3), 21-30. Wardle, DA,Walker LR, Bardgett RD. (2004) Ecosystem properties and forest decline in contrasting long-term chronosequences. Science 305: 509-513. Wolters V. (1991) Effects of acid rain on leaf litter decomposition in a beech forest on calcareous soil. Biol Fertil Soils 11:151-156. Wolters V, Schaefer M. (1994) Effects of acid deposition on soil organisms and decomposition processes. In: Godbold DL, Hüttermann A (eds) Effects on acid rain on forest processes. Wiley, New York, pp 83-128. Yanai R, Stehman SV, Arthur MA, Prescott CE, Friedland AJ, Siccama TG, Binkley D (2001) Detecting change in forest floor. Soil Sci Soc Am J 67:1583-1593. 82
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ASSESSMENT OF CHANGES IN THE PHOSPH
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RECOMMENDATIONS 1. The results of t
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EXECUTIVE SUMMARY 1. The first nati
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High N inputs and uptake by plants
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12. It is recommended that a series
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Below, these hypotheses are being d
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Douglas fir which suffered from abs
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easons of such results. Another rea
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The frequency and the amount of mas
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usually present in the leaves. In v
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level class are given in brackets.
Page 23 and 24:
2.3 Factors influencing the foliage
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example the compiled data from BZE-
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mostly during periods of active gro
Page 29 and 30:
Table 3: Number of cases included f
Page 31 and 32: P % 0.1 0.2 0.3 0.4 Kiefer 4 4,5 5
Page 33 and 34: P % 0.1 0.2 0.3 0.4 0.5 Eiche 4 4,5
Page 35 and 36: 19.84 n=144 NVHU< 1228 | CMENGE< 38
Page 37 and 38: 2.6 Changes in P concentrations in
Page 39 and 40: in section 1 of this report. In sum
Page 41 and 42: Fig 8: Mixed linear model describin
Page 43 and 44: Fig 10: . Mixed linear model descri
Page 45 and 46: Table 6: Concentration of P (mg/g)
Page 47 and 48: (Nilsen and Abrahmsen 2003) reporte
Page 49 and 50: 3. PHOSPHRUS IN FOREST SOILS 3.1 In
Page 51 and 52: sequential extraction scheme of ext
Page 53 and 54: Table 8 : Sequential extraction pro
Page 55 and 56: phosphates at pH values
Page 57 and 58: 3.2.2 Inorganic forms of P - desorp
Page 59 and 60: Mineralisation of organic P does no
Page 61 and 62: enhances the dissolution of Ca-phos
Page 63 and 64: water, and sodium bicarbonate metho
Page 65 and 66: Table 10. Estimated transfers and c
Page 67 and 68: 3.3 Use of pedo-transfer functions
Page 69 and 70: the amount taken up at each site. T
Page 71 and 72: is commonly saturated with HCO3 is
Page 73 and 74: assess P status or any changes in P
Page 75 and 76: Forest Ecol. Manage. 92, 119-152. B
Page 77 and 78: Rev. Plant Physiol.Plant Mol. Biol.
Page 79 and 80: and N-free-fertilisation. Plant Soi
Page 81: Sparling GP, Hart PBS, August JA. (
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