Carbon concentration variations in the roots, stem and crown of mature Pinus pinaster (Ait.)

Bert, Didier; Danjon, Fréderic

doi:10.1016/j.foreco.2005.10.030

Cited by 181 publications

(205 citation statements)

References 42 publications

(51 reference statements)

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“…An intensive study of carbon concentration in Pinus pinaster confirmed the relevance of a sampling design that split the stem into homogeneous tissues (Bert and Danjon, 2006). Indeed, based on the knowledge of the concentration of one element at the tissue scale, such an approach enables the average concentration of the stem to be determined.…”

Section: Tree Sampling For Nutrient Analysismentioning

confidence: 89%

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Improving models of forest nutrient export with equations that predict the nutrient concentration of tree compartments

Augusto¹,

Meredieu

Bert

et al. 2008

Ann. For. Sci.

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, et al.. Improving models of forest nutrient export with equations that predict the nutrient concentration of tree compartments. Annals of Forest Science, Springer Verlag/EDP Sciences, 2008, 65 (8), pp.1. Ann. For. Sci. 65 (2008) Abstract• The objective of this study was to explore the distribution of major nutrients (N, P, K, Ca and Mg) in the aboveground compartments of an intensively managed tree species (Pinus pinaster Ait.). A total of 53 trees were cut down in even-aged stands respectively 8, 16, 26, 32 and 40 years old. The nutrient concentrations of the aboveground compartments were analysed.• Nutrient concentrations of foliage did not vary with any of the variables used, except needle age. Nutrient concentrations of living branches, stem bark, stem sapwood, stem heartwood, stemwood and stem decreased with increasing branch diameter, bark thickness, sapwood thickness and heartwood thickness, respectively. Beyond a certain value of the predictive variable (stem diameter ≈ 15 cm; branch diameter ≈ 2.5 cm), the concentration of all the nutrients stabilised.• A 50 year-old pine stand was used to obtain a validation dataset for nitrogen concentration. For this nutrient, the regression relationships gave satisfactory estimates for most compartments (mean error = 12-25%) and particularly for the stem.• A procedure is proposed to estimate the nutrient exports associated with harvests of Pinus pinaster biomass. • L'objectif de cette étude est d'explorer la distribution des éléments majeurs (N, P, K, Ca, Mg) dans les compartiments aériens d'une essence gérée de manière intensive. Au total, 53 pins maritimes (Pinus pinaster Ait.) ont été abattus parmi des peuplements équiennes de 8, 16, 26, 32 et 40 ans. Mots-clés• Les concentrations en nutriments du feuillage ne varient pas pour une classe d'âge d'aiguilles donnée. Les concentrations des branches vivantes, de l'écorce, de l'aubier et du duramen décroissent lorsque le diamètre ou l'épaisseur du compartiment considéré augmente. La concentration de l'ensemble des nutriments devient constante lorsque la variable prédictive (diamètre ou épaisseur) atteint une valeur plateau.• Un jeu de données de validation pour les concentrations en azote, provenant d'un peuplement équienne de pins de 50 ans, permet de confirmer les performances satisfaisantes des modèles construits (erreur moyenne = 12-25 %) et en particulier pour le tronc.• Une procédure d'estimation des exportations de nutriments associées aux récoltes de biomasse de Pinus pinaster est présentée.

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Section: Tree Sampling For Nutrient Analysismentioning

confidence: 89%

“…The set was taken from unpublished data from a previous study (Bert and Danjon, 2006). Briefly, the dataset included 198 measurements of nitrogen concentration in 12 Pinus pinaster trees growing in a 50-year-old stand (BILOS stand; B50 sampling; Tab.…”

Section: Statistical Analyses and Evaluationmentioning

confidence: 99%

Improving models of forest nutrient export with equations that predict the nutrient concentration of tree compartments

Augusto¹,

Meredieu

Bert

et al. 2008

Ann. For. Sci.

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“…Different plant species may have a specific chemical composition and carbon compounds due to their metabolism, as physiology and morphology are linked to an optimal functioning under the ecological conditions where they have evolved (Sardans & Peñuelas 2014). Within a given individual, C concentration varies between tissues (Yeboah et al 2014), depending to a larger extent on the chemistry of such tissues (Savidge 2003) than on plant age or size (Bert & Danjon 2006). This study presents C concentration values for 175 plant species in 18 families from temperate, tropical, subtropical, arid and semiarid zones in Mexico to establish whether and how biomass C concentration differed across environments, taxa and plant tissues.…”

Section: Introductionmentioning

confidence: 99%

Tissue carbon concentration of 175 Mexican forest species

Pompa-García¹,

Rodríguez²,

Jurado³

et al. 2017

iForest

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Reliable calculations of carbon stocks in forest ecosystems are crucial for proper implementation of global warming mitigation policies. Accurate estimations depend upon applying the correct factor of carbon (C) concentration for different forest species and tissues instead of the often assumed 50% carbon content. Despite the high forest species richness in Mexico and the increasing CO2 emissions, data on carbon concentrations in forest plant tissues are scarce. In this study, we determined variation in C concentration of different tissues for 175 plant species common in Mexican forests. C contents were estimated and contrasted for plant distribution, taxa, and plant structure (main stems, branches, twigs, bark, leaves, buds, fruits, roots and root cuticles). The mean C concentration across species was 44.7%. Species significantly differed in C concentration by tissue, environment and taxa. These multi-species data contribute to improve precision on estimates of C balance in terrestrial ecosystems, reducing the uncertainty in C inventories in Mexico and elsewhere.

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“…4). Similarly, carbon concentration in black pine seedlings was a poor indicator of fertilizer response (Jeong et al, 2010) because the inter-and intra-specific variations of carbon concentration in tree species were determined by genetic and environmental factors (Bert and Danjon, 2006;Zhang et al, 2009). In contrast to this result, carbon concentration of tree components was generally greater in nutrient deficient conditions compared with trees grown in better nutrient conditions because of low mineral concentration of tree components or the difference of carbon allocation (Poorter and De Jong, 1999).…”

Section: Discussionmentioning

confidence: 99%

Effects of Fertilizer on Growth, Carbon and Nitrogen Responses of Foliage in a Red Pine Stand

Kim¹,

Ju²,

Lee³

et al. 2013

Korean Journal of Soil Science and Fertilizer

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This study was to examine growth, carbon and nitrogen responses in foliage following forest fertilization in a red pine stand. Two types of fertilizer (N:P:K=113:150:37 kg ha ) were applied on late April 2011. Growth, carbon and nitrogen responses of foliage were monitored 3 times (July, September, November) after fertilization. Morphological growth responses (dry mass, leaf area, specific leaf area) with foliage age were not significantly (P > 0.05) affected by fertilizer application, while needle dry mass and leaf area of July were significantly lower in current-year-old than in one-year-old or two-year-old needles of September or November. Carbon concentration and content in foliage was little affected by fertilizer application compared with sampling month or needle age, while the NPK fertilizer produced high nitrogen concentration and content of foliage. The results indicate that nitrogen concentration and content in foliage may serve as an indicator of the nitrogen status by fertilization in a red pine stand.

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Carbon concentration variations in the roots, stem and crown of mature Pinus pinaster (Ait.)

Cited by 181 publications

References 42 publications

Improving models of forest nutrient export with equations that predict the nutrient concentration of tree compartments

Improving models of forest nutrient export with equations that predict the nutrient concentration of tree compartments

Tissue carbon concentration of 175 Mexican forest species

Effects of Fertilizer on Growth, Carbon and Nitrogen Responses of Foliage in a Red Pine Stand

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