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Exceedance of critical limits and their impact on tree nutrition

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Exceedance of critical limits and their impact on tree nutrition. / Waldner, Peter; Thimonier, An; Graf Pannatier, Elisabeth; Marchetto, Aldo; Ferretti, Marco; Calderisi, Mario; Rautio, Pasi; Derome, Kirsti; Nieminen, Tiina; Nevalainen, S.; Lindroos, Antti-Jussi; Merilä, Paivi; Kindermann, G.; Neumann, Marcus; Dobbertin, Matthias; Cools, Nathalie; De Vos, Bruno; Roskams, Peter; Hansen, Karin; Dietrich, Hans-Peter; Fischer, Richard; Granke, Oliver; Iost, Suzanne; Lorenz, Martin; Meining, S.; Nagel, Hans-Dieter; Simoncic, Primosz; von Wilpert, Klaus; Meesenburg, Henning; Verstraeten, Arne; Scheuschner, Thomas; Ingerslev, Morton; Raspe, Stephan.

2012.

Onderzoeksoutput: Bijdrage aan congresPaper/Powerpoint/AbstractOnderzoekpeer review

Harvard

Waldner, P, Thimonier, A, Graf Pannatier, E, Marchetto, A, Ferretti, M, Calderisi, M, Rautio, P, Derome, K, Nieminen, T, Nevalainen, S, Lindroos, A-J, Merilä, P, Kindermann, G, Neumann, M, Dobbertin, M, Cools, N, De Vos, B, Roskams, P, Hansen, K, Dietrich, H-P, Fischer, R, Granke, O, Iost, S, Lorenz, M, Meining, S, Nagel, H-D, Simoncic, P, von Wilpert, K, Meesenburg, H, Verstraeten, A, Scheuschner, T, Ingerslev, M & Raspe, S 2012, 'Exceedance of critical limits and their impact on tree nutrition'.

APA

Waldner, P., Thimonier, A., Graf Pannatier, E., Marchetto, A., Ferretti, M., Calderisi, M., ... Raspe, S. (2012). Exceedance of critical limits and their impact on tree nutrition.

Author

Waldner, Peter ; Thimonier, An ; Graf Pannatier, Elisabeth ; Marchetto, Aldo ; Ferretti, Marco ; Calderisi, Mario ; Rautio, Pasi ; Derome, Kirsti ; Nieminen, Tiina ; Nevalainen, S. ; Lindroos, Antti-Jussi ; Merilä, Paivi ; Kindermann, G. ; Neumann, Marcus ; Dobbertin, Matthias ; Cools, Nathalie ; De Vos, Bruno ; Roskams, Peter ; Hansen, Karin ; Dietrich, Hans-Peter ; Fischer, Richard ; Granke, Oliver ; Iost, Suzanne ; Lorenz, Martin ; Meining, S. ; Nagel, Hans-Dieter ; Simoncic, Primosz ; von Wilpert, Klaus ; Meesenburg, Henning ; Verstraeten, Arne ; Scheuschner, Thomas ; Ingerslev, Morton ; Raspe, Stephan. / Exceedance of critical limits and their impact on tree nutrition.

Bibtex

@conference{618331c850da44d48d41f3f81df3c3be,
title = "Exceedance of critical limits and their impact on tree nutrition",
abstract = "For N limited stands, enhanced N supply may stimulate the production of above-ground biomass. However, in excess, N loads may lead to nutrient imbalances and sensitivity to frost, insects, and fungi may increase (N saturation hypothesis, postulated by Aber et al., 1989). This study aims on investigating the following relations based on the level II network · Relations between exceedances of critical loads and indicators for actual N saturation and soil acidification status · Relations between exceedance of critical limits for soil solution and tree responses For these purpose the measurement of throughfall deposition, soil solution, foliar analyses, damage cause assessment, crown condition and soil classification on the ICP-Forests level II plots between 2006 and 2010 as well as critical loads calculated with SMB method have been used. For plots with higher N throughfall (>20 kg N ha-1 a-1), nitrate concentrations lowest lysimeters more often exceed critical limits for N saturation. About half of the level II plots with critical loads exceeded already show indication of N saturation while the other half may still be in the phase of accumulation. Similarly, proportion of plots with BC/Al criterion exceeded (BC/Al<0.8 in more than 80{\%} of the samples) seems to be higher among the plot with exceedance of critical loads of acidity. At plots with exceedance of critical limits in soil solution the N in foliage is more often in than below optimum for Spruce, Pines and or above then in optimum for Oak. For Mg it is vice-versa for Spruce, Pines, and Beech. For the tree species groups of Spruce and Pines the percentage of plots with foliar N concentrations below optimum is significantly lower for plots with critical limits exceeded. In the presentation the tendency to more frequent appearance of light green to yellow discolouration as well as possible reasons will be discussed.",
author = "Peter Waldner and An Thimonier and {Graf Pannatier}, Elisabeth and Aldo Marchetto and Marco Ferretti and Mario Calderisi and Pasi Rautio and Kirsti Derome and Tiina Nieminen and S. Nevalainen and Antti-Jussi Lindroos and Paivi Meril{\"a} and G. Kindermann and Marcus Neumann and Matthias Dobbertin and Nathalie Cools and {De Vos}, Bruno and Peter Roskams and Karin Hansen and Hans-Peter Dietrich and Richard Fischer and Oliver Granke and Suzanne Iost and Martin Lorenz and S. Meining and Hans-Dieter Nagel and Primosz Simoncic and {von Wilpert}, Klaus and Henning Meesenburg and Arne Verstraeten and Thomas Scheuschner and Morton Ingerslev and Stephan Raspe",
year = "2012",
month = "5",
day = "30",
language = "English",

}

RIS

TY - CONF

T1 - Exceedance of critical limits and their impact on tree nutrition

AU - Waldner, Peter

AU - Thimonier, An

AU - Graf Pannatier, Elisabeth

AU - Marchetto, Aldo

AU - Ferretti, Marco

AU - Calderisi, Mario

AU - Rautio, Pasi

AU - Derome, Kirsti

AU - Nieminen, Tiina

AU - Nevalainen, S.

AU - Lindroos, Antti-Jussi

AU - Merilä, Paivi

AU - Kindermann, G.

AU - Neumann, Marcus

AU - Dobbertin, Matthias

AU - Cools, Nathalie

AU - De Vos, Bruno

AU - Roskams, Peter

AU - Hansen, Karin

AU - Dietrich, Hans-Peter

AU - Fischer, Richard

AU - Granke, Oliver

AU - Iost, Suzanne

AU - Lorenz, Martin

AU - Meining, S.

AU - Nagel, Hans-Dieter

AU - Simoncic, Primosz

AU - von Wilpert, Klaus

AU - Meesenburg, Henning

AU - Verstraeten, Arne

AU - Scheuschner, Thomas

AU - Ingerslev, Morton

AU - Raspe, Stephan

PY - 2012/5/30

Y1 - 2012/5/30

N2 - For N limited stands, enhanced N supply may stimulate the production of above-ground biomass. However, in excess, N loads may lead to nutrient imbalances and sensitivity to frost, insects, and fungi may increase (N saturation hypothesis, postulated by Aber et al., 1989). This study aims on investigating the following relations based on the level II network · Relations between exceedances of critical loads and indicators for actual N saturation and soil acidification status · Relations between exceedance of critical limits for soil solution and tree responses For these purpose the measurement of throughfall deposition, soil solution, foliar analyses, damage cause assessment, crown condition and soil classification on the ICP-Forests level II plots between 2006 and 2010 as well as critical loads calculated with SMB method have been used. For plots with higher N throughfall (>20 kg N ha-1 a-1), nitrate concentrations lowest lysimeters more often exceed critical limits for N saturation. About half of the level II plots with critical loads exceeded already show indication of N saturation while the other half may still be in the phase of accumulation. Similarly, proportion of plots with BC/Al criterion exceeded (BC/Al<0.8 in more than 80% of the samples) seems to be higher among the plot with exceedance of critical loads of acidity. At plots with exceedance of critical limits in soil solution the N in foliage is more often in than below optimum for Spruce, Pines and or above then in optimum for Oak. For Mg it is vice-versa for Spruce, Pines, and Beech. For the tree species groups of Spruce and Pines the percentage of plots with foliar N concentrations below optimum is significantly lower for plots with critical limits exceeded. In the presentation the tendency to more frequent appearance of light green to yellow discolouration as well as possible reasons will be discussed.

AB - For N limited stands, enhanced N supply may stimulate the production of above-ground biomass. However, in excess, N loads may lead to nutrient imbalances and sensitivity to frost, insects, and fungi may increase (N saturation hypothesis, postulated by Aber et al., 1989). This study aims on investigating the following relations based on the level II network · Relations between exceedances of critical loads and indicators for actual N saturation and soil acidification status · Relations between exceedance of critical limits for soil solution and tree responses For these purpose the measurement of throughfall deposition, soil solution, foliar analyses, damage cause assessment, crown condition and soil classification on the ICP-Forests level II plots between 2006 and 2010 as well as critical loads calculated with SMB method have been used. For plots with higher N throughfall (>20 kg N ha-1 a-1), nitrate concentrations lowest lysimeters more often exceed critical limits for N saturation. About half of the level II plots with critical loads exceeded already show indication of N saturation while the other half may still be in the phase of accumulation. Similarly, proportion of plots with BC/Al criterion exceeded (BC/Al<0.8 in more than 80% of the samples) seems to be higher among the plot with exceedance of critical loads of acidity. At plots with exceedance of critical limits in soil solution the N in foliage is more often in than below optimum for Spruce, Pines and or above then in optimum for Oak. For Mg it is vice-versa for Spruce, Pines, and Beech. For the tree species groups of Spruce and Pines the percentage of plots with foliar N concentrations below optimum is significantly lower for plots with critical limits exceeded. In the presentation the tendency to more frequent appearance of light green to yellow discolouration as well as possible reasons will be discussed.

M3 - Paper/Powerpoint/Abstract

ER -

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