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Báo cáo lâm nghiệp: "Carbon pool and substitution effects of an increased use of wood in buildings in Switzerland: first estimates" pdf

Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Carbon pool and substitution effects of an increased use of wood in buildings in Switzerland: first estimates" pdf

... GHG-related effects of an increased use of wood within technosphere.One important effect of an increased use of wood wasneglected: the decline of the carbon storage in the forestsbecause of an increased ... articleCarbon pool and substitution effects of an increased use of wood in buildings in Switzerland: first estimatesFrank WERNERa*, Ruedi TAVERNAb, Peter HOFERb, Klaus RICHTERca Environment and ... emissions of around 18% of the total effect of an increased use of wood in Switzerland.If one considers the effect of an increased use of wood in the mirror of the reduction commitment in absolute...
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Báo cáo lâm nghiệp:"Daylength, temperature and fertilization effects on desiccation resistance, cold hardiness and root growth potential of Picea mariana seedlings" docx

... always significant. The –10 °C index of injury fell to 10%or less for the first time after 9 weeks of hardening for SD and OD trees and after 10 and 12 weeks for NDWF and NDWseedlings, respectively ... 10 and 12, transpiration waslowest in OD seedlings (ANOVA P-values of 0.003 and Tabl e I. Seedling morphological attributes (and their standard errors) measured after 14 weeks in four hardening ... hydrique1. INTRODUCTIONA series of morphological and physiological changes occurduring dormancy enabling trees to survive stresses during thewinter [19]. In seedlings of many tree genera, including...
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Báo cáo lâm nghiệp: "Light-quality and -quantity effects on monoterpene-mediated photo-bleaching of conifer needles" pot

... liberated mono-terpenes can induce further changes in membrane structure which can influencethe membrane-bound electron transport.The inhibition of respiration and photosyn-thesis ... 2 Silviculture, University of Freiburg i.Br., F.R.G., and 3 Institute of Plant Physiology University of Geneva (CH), SwitzerlandIntroduction In earlier publications (Wagner ... Light-quality and -quantity effects on monoterpene-medi-ated photo-bleaching of conifer needlesJ. Franzen1K. Gross2M. Bonzon3E. Wagner1Institutes of I Biology 11 and 2 Silviculture,...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Carbon accumulation in Finland’s forests 1922–2004 – an estimate obtained by combination of forest inventory data with modelling of biomass, litter and soil" potx

... byorigin, and the transfers of carbon in litter and soil between forests and other land uses in Finland’s forests between 1922 and 2004.Figure 6. Annual changes in the carbon stock of litter and ... theseCarbon sink of Finland’s forests 691Figure 4. Carbon stock of litter and soil and its annual changes in Finland’s forests between 1922 and 2004. The black lines showthese variables when the transfers ... Rh, the soil and litter carbon balance in Finland’sforests was affected by changes in land use. Conversion of other types of land to forest introduced carbon to the soil and litter of the forests,whereas...
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Báo cáo lâm nghiệp: "Biomass increment and carbon balance of ash (Fraxinus excelsior) trees in an experimental stand in northeastern France" docx

... byhand only partially, and then, remaining leaves had to be collected in a net enclosing the crown as and when they were naturally falling untilthe end of leaf fall (DOY 306 and 296 in 1994 and ... volumes of the branches in 1995 and 1994. 2.5.2. Secondary branchesThe biomass increments of secondary branches was obtained frommasses and cross sectional area increments of the secondary branchesthat ... experimental stand in northeastern FranceNoël LE GOFFa*, André GRANIERb, Jean-Marc OTTORINIa, Marianne PEIFFERba LERFoB, UMR INRA/ENGREF, Équipe Croissance et Production, INRA Centre de Nancy,...
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Báo cáo lâm nghiệp: "Carbon and nitrogen winter storage and remobilisation during seasonal flush growth in two-year-old cork oak (Quercus suber L.) saplings" pptx

... wassteeper than that in RSAN resulting in a significant decrease in the ratio of the two. 3.4. Seasonal changes in content and partitioning of winter C and N in plantsWinter C and N represent ... Remobilisation of stored C and N in cork oak 727Figure 1. Total (open bars) and winter (closed bars) carbon in first and second year leaves, branches, stem, coarse and fine roots and in the whole plant. ... fine roots and branches, demonstrating thatinternal mobilization of winter stored C and N occurred. How-ever the allocation of winter C and N to branches was muchlower than to any other plant...
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Báo cáo lâm nghiệp: "The above- and belowground carbon pools of two mixed deciduous forest stands located in East-Flanders (Belgium)" pot

... and belowground part, and further in leaves, branches and stems and fine and coarse roots respectively. Stand age and site characteristics seem to play an important role in the distribution of ... oak-beech stand and 321.4 tonsCha–1 in the ash stand. In the oak-beech stand 41.5% of the total C was found in the soilorganicmatter,11%inthelitterlayerand47.5% in the vegetation. In the ash stand, ... with the mineral soil, the bioturbation of the soilis more intense in the ash stand, resulting in a moreequally distribution of the organic material in this standthan in the oak-beech stand.It...
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Báo cáo lâm nghiệp: "Carbon and nitrogen allocation in trees" pot

... and glutamine; the amino acids, glutamate,aspartate, arginine and proline; and theureides, allantoin, allantoic acid and citrul-line, are common and major transportcompounds ... proteins. These pro-teins are rich in arginine and other basicamino acids (Kang and Titus, 1980), accu-mulate in the fall, disappear in the spring and are glycoproteins ... variability in NH4 and N03 availa-bility, the importance of maintaining an internal supply of N for growth and theimportance of minimizing carbon costs of assimilation (Schulze,...
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Báo cáo lâm nghiệp: "Carbon and phosphorus relations in and non-mycorrhizal pine seedlings" pps

... rates of LP-M plants with HP-N and HP-Mplants, without a concomitant increase in dry matter, may suggest a substantialrespiration cost of the mycorrhizas.Mycorrhizal inoculation ... of seedlingsgrown with the high phosphorus fertilizerregime caused: 1 ) only a small increase in phosphorus content and concentrationwithin the plant; 2) no change in ... with twoimportant exceptions, photosynthesis and fine-root phosphorus concentration. Thehigh level of fine-root phosphorus concen-tration in mycorrhizal seedlings indicatesthat...
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Báo cáo lâm nghiệp: "Neuroptera, Raphidioptera and Mecoptera assemblages inhabiting young spruce (Picea abies) forests: dominance structure and seasonal activity patterns" docx

... trees. H and V (2002) ob-served the peak of its activity in spruce forests of Paskovský les and Loucký les at the end of May in 1998. e delay of its flight activity in highlands, compared ... non-powered and continuously operating tent-like trap. Its height is 2 m and collecting surface is approximately 6 m2. Collecting sheets are black and a covering sheet is white. e trap is anchored ... Raphidioptera and Mecoptera including 35 species of 7 families were collected during a two-year research (2005–2006). All data regarding species richness and species dominance detected in each...
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