Báo cáo lâm nghiệp: "Relationships between site and stock quality in Pinus halepensis Mill reforestation on semiarid landscapes in eastern Spain" ppsx
Báo cáo lâm nghiệp: "Relationships between site and stock quality in Pinus halepensis Mill. reforestation on semiarid landscapes in eastern Spain" ppsx
... 10.1051/forest:2007052Original articleRelationships between site and stock quality in Pinus halepensis Mill. reforestation on semiarid landscapes in eastern SpainAntonio D. Ca*, Rafael ... performance of Pinus halepensis Mill. In this order, the following questionswere addressed: (i) What is the relative in uence between stock quality and site quality on reforestation success within aparticular ... of site and plantpreparation techniques on reforestation of a Mediterranean semiarid ecosystem with Pinus halepensis Mill. , New For. 29 (2005) 177–198. site and stock quality in Aleppo pine...
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Báo cáo lâm nghiệp: " Relationships between browsing damage and woody species dominance" doc
... 0.05) between the percentage of damaged individuals and dominance. P (1986) found out the nega-tive correlation between damage and dominance for Pinus sylvestris and Populus tremula in ... stands of these two species in Lithuania. D et al. (1991) found higher browsing damage to Pinus sylvestris in mixed stands in Sweden as compared with pure stands or stands where Pinus ... processed using correlation and regression analysis. e calculation of correlation coefficients for linear correlations and testing their significance by Student’s t-test was carried out in Excel...
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Báo cáo lâm nghiệp: "Relationships between the parameters of aboveground parts and the parameters of root plates in Norway spruce with respect to soil drainage" docx
... correlation between these two param-eters only in the case of spruce trees growing in wa-terlogged sites. In well-drained sites, we determined only a weak and statistically insignifi cant correlation ... growing in waterlogged and in well-drained sites. He found out that the mean value of root plate depth was 45 cm in spruce trees growing in poorly drained sites and 100 cm in the trees growing ... was only 419 cm in Norway spruce trees growing in well-drained sites. Inter-estingly, on the other hand, in waterlogged sites, the mean value of Rrp was 159 cm only, but it was 211 cm in...
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Báo cáo lâm nghiệp:"Relationships between soil factors, Quercus robur health, Collybia fusipes root infection and Phytophthora presence" doc
... pathogens and environmental constraints as interacting declineinducing factors (PATHOAK).REFERENCES[1] Anonymous, Manual on methods and criteria for harmonised sam-pling, assessment, monitoring and ... three oaks in Filain and two in Ainvelle. In these cases Armillaria was present on a minority of roots, inducing superficial lesions, the root infec-tion index was thus computed by taking into account ... Whitney R.D., Site variation of Armillaria mellea in three Ontarioconifers, in: Kile G.A. (Ed.), Proceedings of the 6th InternationalConference of Root and Butt Rot, International Union of ForestryResearch...
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Báo cáo lâm nghiệp: "Relationships between stem size and branch basal diameter variability in Norway spruce (Picea abies (L.) Karsten) from two regions of France" doc
... for one region can not be used in another one: on the scale of an interregional observation, a sig-nificant portion of branch diameter variance would no longerbe explained by stem size and stand ... statisticallysimple and constitutes a heavy limitation on the model’s robustness.It is caused by four factors:• In living whorls, the differences between the thickest branch and thinnest one increases as and ... “Improved Spruce Timber Utilisation”. Task A4: Conver-sion, simulation and optimization. Final Report of subtask A4.1,Simulation of Board quality distribution and validation, EC-FAIRCT96-015, 1999.[10]...
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Báo cáo lâm nghiệp: "Relationships between hydraulic traits and habitat preference for six Acer species occurring in the French Alps" pptx
... trade-off between xylem conductance and xylem vulnerability to cavi-tation.2. MATERIALS AND METHODS2.1. Study site and plant materialMeasurements were made in June and July 2000 and 2001 on sixspecies ... were conducted on 3 trees originated from the wet site (arboretum) together with the tree growing under unfavorable conditions in the low mountain stand (La Bastille, closed symbols). ForA. monspessulanum, ... osteoperma and Pinus edulis: implications for droughttolerance and regulation of transpiration, Funct. Ecol. 12 (1998)906–911.[16] Manneville O., Flore et végétation dans deux stations méridionalesdes...
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Báo cáo lâm nghiệp: "Relationships between the intra-ring wood density assessed by X-ray densitometry and optical anatomical measurements in conifers. Consequences for the cell wall apparent density determination" pps
... North and South Finland) wereavailable. The microdensitometric data were classified in age classesof 30 years and ring widths of 1 mm. Only the classes containing datafor more than 50 rings and ... ofthe section and straightness of the ring limits. The selected widths were3000 µm for Finland spruce, France spruce and France fir; 1500 µmfor France pine and South Finland pine and 1000 µm ... Rectangular (left) and hexagonal (right) cell and lumenmodels.3/333 33Intra-ring density and anatomy in conifers 257 Figure 3. Finland spruce ring: Wood density measured by X-ray and calculated...
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Báo cáo lâm nghiệp: "Relationship between root growth potential and field performance in Aleppo pine" doc
... planting —–stocklots were planted following a randomized block design, with 3blocks, each containing 30 seedlings per stocklot in a row plot (n = 90seedlings per stocklot and per site) . Site ... (iii) to examine the relationship between RGP and field performance on two contrasting sites.2. MATERIALS AND METHODS2.1. Plant material and seedling quality A total of six seedling stocklots of ... methods and instrumentation,Chapman and Hall, London, 1989.[19] Puertolas J., Gil L., Pardos J.A., Effects of nutritional status and seedling size on field performance of Pinus halepensis planted on former...
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Báo cáo lâm nghiệp: "Links between tree structure and functional leaf traits in the tropical forest tree Dicorynia guianensis Amshoff (Caesalpiniaceae)" ppsx
... photosynthetic induc-tion and foliage acclimation between two measurements was about15 min [74] and 5 min, respectively.A non-linear least squares regression (Newton method, ProcNLIN,SAS v.8.1, SAS Institute ... growing under common condi-tions differ in leaf gas exchange regulation, carbon isotope discri-mination and leaf water potential, Oecologia 99 (1984) 297–305.[39] Kincaid D.T., Anderson P.J., ... found on axes.2.3. Tree sampling in different irradiance microenvironmentsTrees corresponding to ASDs 1, 2 and 3 were sampled in two con-trasting light environments (understorey and clearing)....
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Báo cáo lâm nghiệp: "Comparison between field performance of cuttings and seedlings of Eucalyptus globulus" ppsx
... Population Structure and Genetic Improvement Strate-gies in Clonal and Seedling Forestry; Pattaya, Thailand, November1988, Oxford Forestry Institute, Oxford and Winrock International,Arlington, ... growth in the cloned parents in com-parison with their open pollinated progeny seedlings. On theother hand, Lambeth et al. [19], in E. grandis and Menck and Table IV. Comparison of means (and ... Eucalyptus grandis and comparisons with seedlings checks, For.Sci. 40 (1994) 397–411.[20] Land S.B., Performance and G-E interactions of sycamore esta-blished from cuttings and seedlings, in: Jones...
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