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Báo cáo lâm nghiệp: "Light acclimation and photosynthetic response of beech (Fagus sylvatica L.) saplings under artificial shading or natural Mediterranean conditions" docx

Báo cáo lâm nghiệp:

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

... dominant stand and the volume of dead trees is not included in the calculation. Stand density was calcu-lated according to standard mensurational practice from the ratio of actual basal area ... is the 6th report on the production potential and stability of mixed forest stands in uplands. A mixed beech/larch stand that was established by natural regeneration in 1934 to 1942 is assessed. ... Youth and Sports of the Czech Republic, Project No. MSM 6215648902.Production potential and ecological stability of mixed forest stands in uplands – VI. A beech/larch stand on a mesotrophic site...
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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

... moder in the unmixed spruce stand and mixed stands, mull-moder in the unmixed beech stand (according to N et al. 2001). The high accumulation of humus in H horizon in the mixed stand of ... floor occurs in the stand of larch with beech (52.6 t/ha) and the statistically lowest one in the unmixed beech stand (22.0 t/ha). e mixed stand of spruce with beech and the spruce stand repre-sent ... in all stands was noted. Statistically significant differences were not detected in the content of DOC in forest floor and soil between spruce and beech stands and mixed stands under given conditions...
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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

... Nor-way spruce (Picea abies [L.] Karst.) underplantings in the Hrubý Jeseník Mts. In the area concerned 19 research plots were established, representing the ridge sites of the 8th FAZ of acid ... growth and development of Norway spruce plantings in the ridge part of the Hrubý Jeseník Mts.Keywords: Norway spruce; nutrient deficiency symptoms; stand nutrition; soil environment Supported by the ... nutrition of stands.R ef er en ce sB J., MŁ S. (2008): Stability of Norway spruce (Picea abies [L.] Karst.) stands in the Beskid Ś laśki and beskid Žywiecki Mts. from the aspect of their...
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Báo cáo lâm nghiệp: "Canopy structure and spatial heterogeneity of understory light in an abandoned Holm oak woodland" pps

... effect of land use change onthe canopy structure and the understory light of a Holm oak woodland in central Spain. The woodland studied had two dis-tinct zones, one where the original woodland structure ... mean height of individual Holm Tab le I. Mean and standard deviation (SD) of canopy height, number of stems and basal area for the 900 1-m2sampling points of the studyplot, and mean and standard ... (tree- and shrub-dominated zones) are indicated on the map. Distances shown in the axes are in m.vegetation in many current Mediterranean ecosystems, where abandoned woodlands and shrublands develop...
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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

... FeSapwood 1 0.01 0.03 – 0.01 0.05 – – 0.20 0.07 0.02Sapwood 2 – 0.03 – – 0.02 – – 0.18 0.07 – Sapwood 3 – 0.01 – – – – – 0.11 0.30 – Heartwood 1 < 0.01 < 0.01 – 0.01 < 0.01 – – 0.07 ... the formation of mineral inclusions isinduced or increases when the main functions of the woodytissues shift from transport and storage of water, minerals and assimilates, as in sapwood and ... present in the stem Ann. For. Sci. 64 (2007) 1 1–1 9 11c INRA, EDP Sciences, 2007DOI: 10.1051/forest:2006083Original articleComposition, distribution and supposed origin of mineral inclusions in...
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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

... 177–182 177c INRA, EDP Sciences, 2007DOI: 10.1051/forest:2006102Original articleIce nucleation and frost resistance of Pinus canariensis seedlings bearing needles in three different developmental ... in frost resistance of expanding current-year needles of the Canary Island pine and subalpine evergreentimberline conifers of continental Europe suggest that frost hardening during sprouting and ... very frost susceptible. In this study we aimed to assess frost resistance of needles in seedlings of P. canariensis in different stages of development:currently expanding, fully expanded, and...
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Báo cáo lâm nghiệp: "Modelling height and diameter growth of dominant cork oak trees in Spain" ppt

... ageing of cork oak stands, loss of cork quality [41], intense pruning [8] and increased cork oak decline (“seca”) [27]. Cork oak stands in Spain can be differentiated into open cork oak woodlands ... treatments. In this study, we have developed height and diameter growth models for dominant cork oak trees using stem analysis data from two of the main cork producing areas in Spain.Difference forms of ... asrepresented by the dominant trees [22]. Height growth of dom-inant trees is used mainly to define the site index in even-agedstands and is one of the basic equations or submodels in growth and yield...
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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

... 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: "Nutrient status and field performance of tree seedlings planted in Mediterranean degraded areas" doc

... 10.1051/forest:2006003Original articleNutrient status and field performance of tree seedlings planted in Mediterranean degraded areasAlejandro VALDECANTOSa,b*, Jordi CORTINAc, V. Ramón VALLEJOaa Centro ... (SL) and root collar diameter (RCD) of seedlings of Pinus halepensis and Quercus ilex 2.5 years after out-planting in eight degraded woodland sites on soils derived from limestone (L) and marl ... selected Pinus halepensis and Quercus ilex seedlings perplot. The number of Q. ilex seedlings sampled in Yátova 2 (on marl)was 5, and it was not possible to sample Q. ilex seedlings in the Buñolsite...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Light acclimation and photosynthetic response of beech (Fagus sylvatica L.) saplings under artificial shading or natural Mediterranean conditions" docx

... 257Ann. For. Sci. 63 (2006) 257 266â INRA, EDP Sciences, 2006DOI: 10.1051/forest:2006004Original articleLight acclimation and photosynthetic response of beech (Fagus sylvatica L.) saplings under ... fromzero). Means of Pr and Pb were 32.6% and 6.6%, for the natural regeneration, 13.5% and 2.6 % for the potted saplings in north-eastern France, and 10% and 2.1% for the potted saplings insouthern ... the potted saplings innorth-eastern France (plots and linear regression) and southern France (mean, standard deviation and confidence interval of the mean), and forthe saplings of natural regeneration...
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Báo cáo lâm nghiệp:"Water relations and hydraulic characteristics of three woody species co-occurring in the same habitat" pptx

... 10.1051/forest:2003021Original articleWater relations and hydraulic characteristics of three woody species co-occurring in the same habitatAndrea NARDINIa*, Sebastiano SALLEOa, Patrizia TRIFILÒa and Maria ... longer in hydraulic continuity with the soil [5, 12]. In view of investigating possible relationships existingbetween changes in hydraulic resistance of plants and theiradaptation to the environment, ... with a maximum in autumn and a minimum in winter (between January and March).Winter temperatures often fall below 0 °C and in the coldest month(January) the mean of the daily minima is, on average,...
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Báo cáo lâm nghiệp:"Shoot growth and phenology modelling of grafted Stone pine (Pinus pinea L.) in Inner Spain" potx

... (2003) 527537â INRA, EDP Sciences, 2003DOI: 10.1051/forest:2003046Original articleShoot growth and phenology modelling of grafted Stone pine (Pinus pinea L.) in Inner SpainSven MUTKE, Javier ... were consistent with observations in mature non -grafted stone pines. stone pine (Pinus pinea) / growth and flowering phenology / phenology modelling / growing-degree-daysRésumé – Modélisation ... flowering phenology, branch thickening, needle and cone growth was monitored during four years in grafted stone pines in Inner Spain. The relevance of environmental influence on growth and flower...
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Báo cáo lâm nghiệp:"Growth, damage and net nitrogen uptake in Picea abies (L.) Karst. seedlings, effects of site preparation and fertilisation" pptx

... 10.1051/forest:2003058Original articleGrowth, damage and net nitrogen uptake in Picea abies (L.) Karst. seedlings, effects of site preparation and fertilisationFredrik NORDBORG*, Urban NILSSONSwedish University of ... followinghypotheses: (i) site preparation increases seedling initialgrowth and reduces damage during the first year after planting in planted Norway spruce (Picea abies (L.) Karst.) seedlings, (ii) ... and high seedling growth with a low risk of nitrogen leaching. In this study, effects on seedling survival, growth and net nitrogen uptake were evaluated in three site preparations and two fertiliser...
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Báo cáo lâm nghiệp: "Geographic variation and bud dormancy in seedlings (Fagus sylvatica L)" potx

... sprouting in F sylvatica seedlings in spring alsodepended upon prior chilling received. Fa-lusi and Calamassi (1990), also workingwith seedlings, found that chilling was in fact ... LD alsoplayed a role in removing dormancy and/ orinitiating growth.The findings of experiment 3 supportedthis hypothesis. In the Casentino seedlings a LD reduced the thermal ... chilling was in fact the predominant factor determiningrapid release from bud dormancy and bringing about the internal changes in the seedlings that lead to an acrotonal...
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Báo cáo lâm nghiệp: "Light-quality and -quantity effects on monoterpene-mediated photo-bleaching of conifer needles" pot

... 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, ... and youngplants with P-pinene resulted in a monoter-pene concentration- and photofluency-dependent destruction of chloroplast pig-ments resembling the phenomenon of ’montane ... influen-ce of light quality on monoterpene-medi-ated photo-bleaching of chloroplast pig-ments and on the levels of a-tocopherol.Materials and MethodsIn the various fumigation experiments,...
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