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Báo cáo lâm nghiệp:"Shoot growth and phenology modelling of grafted Stone pine (Pinus pinea L ) in Inner Spain" potx

Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp:"Shoot growth and phenology modelling of grafted Stone pine (Pinus pinea L.) in Inner Spain" potx

... values by individual regressionmodels of relative shoot (a) and cone growth (b). Growth and phenology modelling of Stone pine 531nor are represented in the figures), and in the following cold,rainy ... Sci. 60 (200 3) 527–537© INRA, EDP Sciences, 2003DOI: 10.1051/forest:2003046Original articleShoot growth and phenology modelling of grafted Stone pine (Pinus pinea L. ) in Inner SpainSven MUTKE, ... with observations in mature non -grafted stone pines. stone pine (Pinus pinea) / growth and flowering phenology / phenology modelling / growing-degree-daysRésumé – Modélisation de la croissance...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Shoot development and dieback in progenies of Nothofagus obliqua" pptx

... 2000 (early spring) and, after the development of the first greenleaves, seedlings were installed directly on soil in the tree nursery be-longing to the “Unidad de Genética Forestal” of INTA EEA ... forestestablishment in windy and/ or sloping sites, although experi-mental testing of this idea is necessary.Acknowledgements: We are grateful to L. Oudkerk for establishing and maintaining the plants ... potentialities in terms of the size of the shoot they would eventually develop[1]. In the case of Nothofagus species, such potentialities varyfollowing a distal-to-proximal decreasing trend in the...
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Báo cáo lâm nghiệp: "Radial-growth and wood anatomical changes in Abies alba infected by Melampsorella caryophyllacearum: a dendroecological assessment of fungal damage" ppt

... Vosgesmountains (France): Role of climate and sylviculture, Water AirSoil Pollut. 48 (198 9) 77–86.[6] Bert G.D., Impact of ecological factors, climatic stresses, and pol-lution on growth and health of ... of the felled trees were signi-ficantly (P ≤ 0.0 5) higher at the swelling level (31.9 ± 1.6 cm),Table III. Incidence (percentage of affected trees) and intensity (mean number of swellings and ... present.The main understorey plant species are Pteridium aquilinum (L. ) Kuhn, Vaccinium myrtillus L. , and Daphne laureola L. 2.2. Field sampling and estimation of incidence, intensity and rot woodExtensive...
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Báo cáo lâm nghiệp: "Production potential and ecological stability of mixed forest stands in uplands – VI. A beech/larch stand on a mesotrophic site of the Křtiny Training Forest Enterprise" pot

... 28.8Statistical analysis of the results of biometrical studies shows considerable differentiation of tree lay-ers of dying and living trees, particularly of larch (in the period 1961–200 3) but also of ... trees in the last years (Table 5). In the course of Table 6. e development of larch frequency in diameter classes (m) and mortality on the control plot of stand 131 F17/7b (0.25 ha) in 1961–2003Diameter ... well, particularly oak (an increase from initial 5.4 m3/ha to 43.3 m3/ha) and Table 7. e development of beech frequency in diameter classes (m) and mortality on the control plot of stand...
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Báo cáo lâm nghiệp: " Humus conditions and stand characteristics of artificially established young stands in the process of the transformation of spruce monocultures" pdf

... exchangeable (in nKCl) pH was determined. In the surface humus, values of both actual and exchangeable pH decrease with increasing depth (Figs. 2 and 3) in all stands and the lowest values were ... reaction into particular buffer zones, soil in a spruce stand and in mixed stands is included into an exchangeable zone (aluminium zone of buffering). In the beech stand, it is possible to classify ... stand and both mixed stands, mull-moder in beech stand.– e statistically highest accumulation of forest floor occurs in the stand of larch with beech (52.6 t/ha) and the statistically lowest...
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Báo cáo lâm nghiệp: "Soil environment and nutrient status of Norway spruce (Picea abies [L.] Karst.) underplantings in conditions of the 8th FAZ in the Hrubý Jeseník Mts" potx

... homogeneous yellowing of needles (chloro-sis) and overall diminished vitality of aff ected trees. In total 19 localities were selected in Loučná nad Desnou Forest District (FD), Javorník FD, ... Eff ects of drought on the yellowing status and the dynamics of mineral elements in the xylem sap of declining spruce (Picea abies [L. ] Karsten). Plant and Soil, 150: 303–306.D L. , KŪ ... 19samples of Bs horizon were collected in 19re-search localities. For the reason of the restricted length of this paper, tabular results of laboratory analyses (Tables 2– 4) are published in...
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Báo cáo lâm nghiệp: "Canopy structure and spatial heterogeneity of understory light in an abandoned Holm oak woodland" pps

... Autocorrelation 4.5 mSL HL SL HL SL HL SL HL SL HL SL HLForest structure variablesHeightNumber of stemsBasal areaGndCoverLAIeff___SphericalSphericalExponentialExponentialExponentialExponentialExponential___0.930.860.670.880.750.880.81___0.980.960.860.160.480.990.95___4.06.769.42.2161.85.522.6___0.56*0.68*0.65*0.20*-0.010.53*0.72*___0.010.11*0.09*0.00–0.010.040.27*Light ... light availability and spatial structure of lightat the shrub and herb layers (1.2 and 0.3 m height respectively) in each of the two zones of this Holm oak woodland by means of hemispherical ... 1-m2sampling points of the studyplot, and mean and standard deviation of the height, projected area,thickness and volume of the crown of ten randomly chosen individualtrees of Holm oak (Quercus ilex...
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Báo cáo lâm nghiệp: "Composition, distribution and supposed origin of mineral inclusions in sessile oak wood – consequences for microdensitometrical analysis" ppsx

... enhanc-ing techniques, such as polarization, darkfield illumination (DF), flu-orescence (FL) or Nomarski differential interference contrast (NDIC)may highlight crystals against lumina or cell walls and ... film and translated into one of 256 grey-values – is an integrated value resulting from theattenuation of X-rays by porous ligneous material (cell wallsincluding about 12% moisture and air-filled ... continuously accumulatedand immobilizedinside storage cells in sessile oak, year after year until theycrystallize, or if the accumulation derives from radial and lon-gitudinal translocation of mineral...
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Báo cáo lâm nghiệp: "ce nucleation and frost resistance of Pinus canariensis seedlings bearing needles in three different developmental states" pptx

... resistance of expanding current-yearneedles of the Canary Island pine and subalpine evergreentimberline conifers of continental Europe suggest that frosthardening during sprouting and cell elongation ... 2004 (thin line) in the Botanical garden of the university of Innsbruck (600 ma.s .l. ) and (thick line) at 1950 m a.s .l. on Mt. Patscherkofel(Klimahaus).sprouting shoots that are potentially very ... formation and E2, released during intracellular freez-ing, were recorded on 1 year old needles of potted seedlings of P. c a -nariensis during controlled freezing treatments (cooling and thawingrates:...
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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

... the end of the service life of the building elements. If all the wood thatis additionally used in the building stock will be used thermally in specialised wood incinerators, an additional energetic ... onward;Table V. Fuel inputs and GHG emissions of different installations for the generation of 1 TJ usable energy (278 MWh) [8].Fuel Size of the installation(kW)Fuel quantity(kg)Fossil GHG emissions ... iscompensated only very slowly by the re -growth of the forest.Understanding the linkage between forest carbon pools and flows and the building carbon pools and flows in detail is anurgent research...
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