Báo cáo lâm nghiệp: "Evapotranspiration of a declining Quercus robur (L.) stand from 1999 to 2001. II. Daily actual evapotranspiration and soil water reserve" potx

Báo cáo lâm nghiệp: " Growth of wild cherry (Prunus avium L.) in a mixture with other species in a demonstration forest" ppsx

... stand-forming capacity of wild cherry as well as its capacity to keep its position in a stand.MATERIAL AND METHODS A large stand with wild cherry trees as a stand-forming species in the area of Demonstration ... broadleaves such as Quercus robur, Quercus petraea, Tilia sp. and Carpinus betulus (P 2007). Growth of wild cherry (Prunus avium L.) in a mixture with other species in a demonstration forest ... evaluation of growth parameters in clonal test with wild cherry. Journal of Forest Science, 53: 57–65.KOBLIHA J., 2002. Wild cherry (Prunus avium L.) breeding program aimed at the use of...

Báo cáo lâm nghiệp: "Results of a phenological study of the tree layer of a mixed stand in the region of the Drahanská vrchovina Upland" ppt

... results of phenological monitoring of the tree layer in a mixed stand in the region of the Drahanská vrchovina Upland in 2004–2007. e onset and duration of particular phenological stages are ... can also occur. Phenological data are a certain expression of the climate character of a given region. us, they can contribute to assess the variability of weather and also to evaluate the ... by the Ministry of Education, Youth and Sports of the Czech Republic, Project No. MSM 6215648902.Results of a phenological study of the tree layer of a mixed stand in the region of the Drahanská...

Báo cáo lâm nghiệp: "Stability of Norway spruce (Picea abies [L.] Karst.) stands in the Beskid Śląski and Beskid Żywiecki Mts. from the aspect of their nutrition status" pptx

... determine the stability of spruce stands in the areas of threat to forest stability in the Beskid Śląski and Beskid Żywiecki Mts. in the light of their nutrition. In 2002 samples of soil and of ... Beskid Śląski Mts.; Beskid Żywiecki Mts.; Southern Poland 42 J. FOR. SCI., 54, 2008 (2): 41–48VIII, Province 1 of the Beskid Śląski Mts. and Beskid Mały Mts. and partly in Province 4 of the ... regionalization of Poland (T et al. 1990), the area of the present research is located in Carpathian Region Stability of Norway spruce (Picea abies [L.] Karst.) stands in the Beskid Śląski and Beskid...

Báo cáo lâm nghiệp: " Influence of a planting hole application of dolomitic limestone powder and basalt grit on the growth of Carpathian birch (Betula carpatica W. et K.) and soil chemistry in the air-polluted Jizerské hory Mts." pptx

... 0002070201. In uence of a planting hole application of dolomitic limestone powder and basalt grit on the growth of Carpathian birch (Betula carpatica W. et K.) and soil chemistry in the air-polluted Jizerské ... this variant. On the other hand, in the basalt and control treatments, the foliar Ca concentrations have signiﬁcantly increased since planting. e concentration of Mg in the leaves of limed ... carpatica W. et K.) at an environmentally harsh mountain site and a response of this species to altered soil chemistry after dolomitic limestone and basalt grit applications. e Carpathian birch proved...

Báo cáo lâm nghiệp: "Evaluation of a semi-empirical model for predicting ﬁne root biomass in compositionally complex woodland vegetation" ppsx

... part of a larger projectthat examined patterns of below- and above-ground biomass in Eu-calyptus populnea woodland ecosystems along a rainfall gradient in northeast Australia [25]. Here, data ... 247c INRA, EDP Sciences, 2007DOI: 10.1051/forest:2007002Original articleEvaluation of a semi-empirical model for predicting ﬁne root biomass in compositionally complex woodland vegetationAyalsew ... 2006)Abstract – We used measures of plant size, distribution and root core data to evaluate capability of the model of Ammer and Wagner [2] for spatiallyexplicit prediction of ﬁne root biomass (FRB) in...

Báo cáo lâm nghiệp: "Dendrochronology of pedunculate oak (Quercus robur L.) in an old-growth pollarded woodland in northern Spain: establishment patterns and the management history" ppt

... trees in Southern and Northern Tragamón. Oak pollarding in 1806 affected the southernmost extreme of South-ern Tragamón, and the north-central area of Northern Trag-amón. On the other hand, oaks ... 300–399 and 400–499 years) and the meandistance between target trees and their nearest neighbours was calcu-lated within, and between, age classes. The null hypothesis of a randomarrangement of ... 1991.[43] Rozas V., Detecting the impact of climate and disturbances on tree-rings of Fagus sylvatica L. and Quercus robur L. in a lowland forest in Cantabria, Northern Spain, Ann. For. Sci. 58 (2001)...

Báo cáo lâm nghiệp: " Dendrochronology of pedunculate oak (Quercus robur L.) in an old-growth pollarded woodland in northern Spain: tree-ring growth responses to climate" pptx

... 10.1051/forest:2005012Original article Dendrochronology of pedunculate oak (Quercus robur L.) in an old -growth pollarded woodland in northern Spain: tree-ring growth responses to climateVicente ROZASa,b*a ... tree growth and cli-mate variables was investigated in Tragamón, an old -growth oak woodland in the Cantabrian lowlands, northern Spain.Time-independent and time-dependent responses of ring-widthvariation ... important first step in understanding andanticipating the responses of old -growth pollarded woodlands to future climatic changes in Europe.Acknowledgements: The author thanks Juan Luis Menéndez andFrancisco...

Báo cáo lâm nghiệp: "Utilization of a dynamometric pendulum to estimate cutting forces involved during routing. Comparison with actual calculated values" pdf

... 10.1051/forest:2005040Original articleUtilization of a dynamometric pendulum to estimate cutting forces involved during routing. Comparison with actual calculated valuesFlorent EYMA a *, Pierre-Jean MÉAUSOONEb, ... (rake angle,clearance angle, cutting plane, etc.). The depth of cut has beendecreased to 1mm in order to obtain appropriate chip formation. Eachvalue of cutting forces reported, is a mean of ... was carriedout). Fc is total cutting forces during routing. Figure 3. Dynamometric pendulum. Figure 4. Details of pendulum arm and of device to get sample intoposition.FTE cutting l cutting ...

Báo cáo lâm nghiệp: "Evapotranspiration of a declining Quercus robur (L.) stand from 1999 to 2001. I. Trees and forest floor daily transpiration" ppsx

... 207–231.[4] Bréda N., Granier A. , Intra- and inter-annual variations of transpi-ration, leaf area index and radial growth of a sessile oak stand (Quercus petraea), Ann. For. Sci. 53 (1996) 521–536.[5] ... robur (L.) stand from 1999 to 2001. I. Trees and forest floor daily transpirationCaroline VINCKE a *, Nathalie BREDAb, André GRANIERb, Freddy DEVILLEZ a a Unité des Eaux et Forêts, Faculté ... 265–274.[22] Granier A. , Anfodillo T., Sabatti M., Cochard H., Dreyer E.,Tomasi M., Valentini R., Bréda N., Axial and radial water flow inthe trunks of oak trees: a quantitative and qualitative analysis,...

Báo cáo lâm nghiệp: "Evapotranspiration of a declining Quercus robur (L.) stand from 1999 to 2001. II. Daily actual evapotranspiration and soil water reserve" potx

... several ways according to leaf areadevelopment. For periods of leaf area expansion and leaf fall, daily transpiration was calculated with an equation based on daily PET and on a relative LAI (LAIi/LAImax), ... from 1999 to 2001. II. Daily actual evapotranspiration and soil water reserveCaroline VINCKE a *, André GRANIERb, Nathalie BREDAb, Freddy DEVILLEZ a a Unité des Eaux et Forêts, Faculté ... each plot’s basal area, LAI and SA for the3 years and for each type of species. Total LAI was estimated from litterTable I. For each year and each plot (Th.: Thinned; C.: Control): (a) basal...

Báo cáo lâm nghiệp: "Autoécologie des chênaies de Quercus robur L. en Galice (Espagne)" pdf

... marginal des chênaies galiciennes de Quercus robur (voir liste des paramètres dans l’annexe).Figure 3. Habitat climatique central et marginal des chênaies galiciennes de Quercus robur (voir liste des ... dans des zones de pente élevée et dans des fonds de talweg, résultat de la pressionanthropique à laquelle elles ont été soumises [28, 52], occupant des lieux de basse et moyenne altitude, avec des ... journal online:www.edpsciences.org Autoécologie de Quercus robur 747 Quercus robur en Galice ne peut être pensé que pour des endroits qui présentent une fertilité de station mi-haute [6].D’un...

Báo cáo lâm nghiệp: "Conversion of a natural broad-leafed evergreen forest into pure plantation forests in a subtropical area: Effects on carbon storage" pps

... 10.1051 /forest: 2005073Original articleConversion of a natural broad-leafed evergreen forest into pure plantation forests in a subtropical area: Effects on carbon storageGuang-Shui CHEN a , Yu-Sheng ... xylocarpa plantation forest; CK, Castanopsis kawakamii plantation forest; NF, natural forest of C. kawakamii. The abbreviations are the same as elsewhere.2Castanopsis kawakamii is only involved.3Six ... (CK) that grown on a same soil and with the same former forest, natural forest of Castanopsis kawakamii, and an adjacent relict natural forest of Castanopsis kawakamii (NF) that as a control,...

Báo cáo lâm nghiệp: "Growth of a poplar short rotation coppice under elevated atmospheric CO2 concentrations (EUROFACE) depends on fertilization and species" ppt

... 10.1051/forest:2004023Original articleGrowth of a poplar short rotation coppice under elevated atmospheric CO2 concentrations (EUROFACE) depends on fertilization and speciesMarion LIBERLOO a *, Birgit GIELEN a , Carlo ... specific leaf area (SLA), the area of these leaves was calculated. A regression analysis between basalarea and total leaf area of each harvested shoot, was used to calculateleaf area for each shoot ... plot. Plan-tation management included continuous drip irrigation, mechanicalherb removal, and a limited application of insecticides. The plantationwas designed and managed as a short rotation forest...

Báo cáo lâm nghiệp: "Effects of a clear-cut on the in situ nitrogen mineralisation and the nitrogen cycle in a 67-year-old Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) plantation" potx

... nitrification in non-nitrifying soil, although mineralisation increased. Finally, Barg and Edmonds [4] found no change in mineralisation and nitrification rates after partial or total clear-cut, as ... containing an anion resin bag and six cylinders containing a cation resin bag were set up. Finally, at the beginning of October 1996, the quantity of resin in each cylinder wasdoubled by adding ... and drainage of mineral N were calculated as the product of the water flux(throughfall and soil leaching respectively) and N -N and N -Nconcentrations in solutions. Drainage of water was calculated...

Báo cáo lâm nghiệp: "Effects of a calcium deficiency on stomatal conductance and photosynthetic activity of Quercus robur seedlings grown on nutrient solution" pdf

... water, and after stabilisation of stomatal conductance, the shoot was trans-ferred to a tube containing an aqueous solution of ABA (10-3 M). Stomatal conductance was ... balanced by chloride and malate; ii) accumulation of sucrose through photosynthetic carbon fixation; and iii) accu-mulation of sucrose derived from starchbreakdown (Tallman ... waterrelations at an integrated leaf level.ACKNOWLEDGMENTSThe authors thank Prof Van Praag for having per-formed Ca, K and Mg quantitations in his labo-ratory, and Prof...

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