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000011691 0247_ $$2pmid$$apmid:20231032
000011691 0247_ $$2DOI$$a10.1016/j.scitotenv.2010.02.040
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000011691 084__ $$2WoS$$aEnvironmental Sciences
000011691 1001_ $$0P:(DE-Juel1)VDB85547$$aAndré, F.$$b0$$uFZJ
000011691 245__ $$aBiomass and nutrient content of sessile oak (Quercus petraea (Matt.) Liebl.) and beech (Fagus sylvatica L.) stem and branches in a mixed stand in southern Belgium
000011691 260__ $$aAmsterdam [u.a.]$$bElsevier Science$$c2010
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000011691 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article
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000011691 440_0 $$05445$$aScience of the Total Environment$$v408$$x0048-9697$$y11
000011691 500__ $$aOur research was funded by the Accord cadre - Recherche et Vulgarisation Forestieres project (Walloon Region, Regional Ministry of Agriculture, DNF). We wish to thank Engineer A. Barjasse, and the local forester A. Laboureix for giving us access to the site. Field work and sample preparation were carried out by F. Plume, F. Hardy, S. Genevrois, B. Pirard, H. Tricoli and A. Vanacker, and chemical analyses were performed by K. Henin and L. Gerlache. We are also grateful to the editor and the three anonymous reviewers for their constructive comments and suggestions for earlier versions of the manuscript.
000011691 520__ $$aAccurate estimates of the amounts of nutrients immobilised in the organs and tissues of different tree species are of prime importance to make appropriate tree species selection and determine the harvesting regime that will ensure forest sustainability. Sixteen sessile oaks (Quercus petraea (Matt.) Liebl.) (64-129years; stem diameters: 17-57cm) and twelve beeches (Fagus sylvatica L.) (43-86years; stem diameters: 9-50cm) were destructively sampled from a mixed stand located on an acid brown soil in southern Belgium. Statistical models were developed to investigate the differences in nutrient concentrations between tree species, between aboveground tree compartments of the same species, and between tissues of the same compartment. For stem tissues, vertical concentration profiles were described using a versatile equation. Allometric equations were used to predict biomass and nutrient content of tree compartments based on tree dimensions. Broadly speaking, nutrient concentrations tended to be somewhat higher for oak compared with beech, but the amplitude and the direction of inter-species differences varied greatly, depending on the nutrient and the tree compartment. For both species, living branch nutrient concentrations tended to decrease with increasing branch diameter, except for Ca (oak) and Mg (beech). Nutrient concentrations were consistently higher in bark than in wood; this difference between tissues was quite pronounced for Ca, particularly in the case of oak. The biomass and nutrient content equations were used to investigate the effects of tree species and harvesting regime on nutrient exports at harvesting. For equivalent harvesting scenarios, beech was found to induce higher Mg exports than oak, and inversely for Ca. Assuming stand clear cutting, complete tree harvesting would increase average nutrient exports from 65% (Ca) to 162% (P) compared with a stem-only harvesting scenario. These results provide valuable information in the current context of the more intensive utilization of forest products.
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000011691 650_2 $$2MeSH$$aBelgium
000011691 650_2 $$2MeSH$$aBiomass
000011691 650_2 $$2MeSH$$aCalcium Compounds: analysis
000011691 650_2 $$2MeSH$$aEnvironmental Monitoring: methods
000011691 650_2 $$2MeSH$$aEnvironmental Remediation
000011691 650_2 $$2MeSH$$aFagus: physiology
000011691 650_2 $$2MeSH$$aFood
000011691 650_2 $$2MeSH$$aForestry
000011691 650_2 $$2MeSH$$aMagnesium Compounds: analysis
000011691 650_2 $$2MeSH$$aPlant Components, Aerial: chemistry
000011691 650_2 $$2MeSH$$aQuercus: physiology
000011691 650_2 $$2MeSH$$aSpecies Specificity
000011691 650_7 $$00$$2NLM Chemicals$$aCalcium Compounds
000011691 650_7 $$00$$2NLM Chemicals$$aMagnesium Compounds
000011691 650_7 $$2WoSType$$aJ
000011691 65320 $$2Author$$aBiomass
000011691 65320 $$2Author$$aNutrient content
000011691 65320 $$2Author$$aQuercus petraea
000011691 65320 $$2Author$$aFagus sylvatica
000011691 65320 $$2Author$$aMixed-species stand
000011691 7001_ $$0P:(DE-HGF)0$$aJonard, M.$$b1
000011691 7001_ $$0P:(DE-HGF)0$$aPonette, Q.$$b2
000011691 773__ $$0PERI:(DE-600)1498726-0$$a10.1016/j.scitotenv.2010.02.040$$gVol. 408, p. 2285 - 2294$$p2285 - 2294$$q408<2285 - 2294$$tThe @science of the total environment$$v408$$x0048-9697$$y2010
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