Báo cáo lâm nghiệp: "Environmental control of CO assimilation rate and leaf 2 conductance in two species of the tropical rain forest of French Guiana (Jacaranda copaia D Don and Eperua falcata Aubl )" pdf
Báo cáo lâm nghiệp: "Environmental control of CO assimilation rate and leaf 2 conductance in two species of the tropical rain forest of French Guiana (Jacaranda copaia D. Don and Eperua falcata Aubl.)" pdf
... & Cowan I.R., eds.), Stanford University Press, Stanford, pp. 323 -351 Environmental control of CO 2 assimilation rate and leaf conductance in two species of the tropical rain ... rain forest of French Guiana (Jacaranda copaia D. Don and Eperua falcata Aubl. ) R. Huc 1 J.M. Guehl 2 1 Station de Recherches Forestière...
Ngày tải lên: 09/08/2014, 04:20
Báo cáo lâm nghiệp: "Environmental control of CO assimilation rates 2 and stomatal conductance in five oak species growing under field conditions in Greece" ppsx
... pressure, wind speed and wind direction. The soil belongs to soil brun Mediterranean type and consists of sand and clay with pH(H 2 O) 7.7 in the surface layer and 8.0 in deeper ... greatly increased and presented higher WUE. In all study species, the water use efficiency was not maintained constant during the growing period and...
Ngày tải lên: 08/08/2014, 18:21
Báo cáo lâm nghiệp: "Environmental risk assessment based on semi-quantitative analysis of forest management data" pptx
... introducing the data and methodology used in the analysis, (2) developing and describing logistic regression models for three spruce-dominated regions in the West Carpathians, (3) discussing ... and 24 5 in the Orava region during the period 20 07 20 08. No fi eld survey was carried out in the Low Tatras region. A linear discriminant model was designed using t...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: " Genetic control of the time of transition from juvenile to mature wood in Pinus radiata D. Don" pdf
... repeatedly and economically measured. The radial development of wood density components (ring width-RW, ring density-RD, minimum density-MINDEN, maximum density-MAXDEN earlywood density-EWD, and latewood ... boundary coincided almost exactly with the midpoint between average earlywood den- sity and average latewood density of the ring. Ring and latewood boundaries assigned a...
Ngày tải lên: 07/08/2014, 16:20
Báo cáo lâm nghiệp: "Online control of wood peeling process: Acoustical and vibratory measurements of lathe checks frequency" ppt
... realized dur- ing a short term scientific mission supported by the COST Action E35. The authors are grateful to Dr. Martino Negri and Dr. Sandak Jakub for the development of the device used during ... packaging, new procedures should take place in the peeling industry to improve the productivity, the yield and the quality of veneers. Some of the evolving technolog...
Ngày tải lên: 07/08/2014, 16:21
Báo cáo lâm nghiệp: "Genetic control of adventitious rooting on stem cuttings in two Pinus elliottii × P. caribaea hybrid families" pptx
... variances and frequency distribu- tions. The two families differed in their degree of inbreeding; hence, the importance of additive, non-additive and interaction effects will vary in each family. Conifers ... outcrossing and tend to have high genetic loads. As a consequence, inbred indi- viduals often exhibit reduced vigour [46]. Inbreeding in the F 2 probably accoun...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: "Experimental control in Weigela japonica of flower initiatiob" ppt
... number of nodes (from 1 to 4). The type of development of the axillary buds depended upon their position on the shoot (Table II). The buds located at the base of the ramification ... ramification developed essen- tially as leafy shoots and the percentage of buds developing as reproductive axes increased with the position of the...
Ngày tải lên: 09/08/2014, 04:20
Báo cáo lâm nghiệp: "Correlative control of early stages of flower bud initiation in ’bourse’ shoots of apple (Malus x domestica Borkh. cv. Golden Deliciou" docx
... Facult6 des Sciences agronomiques, Gembloux, Belgique Introduction A better understanding of flowering in fruit trees would be obtained if we could pre- dict where and when ... Consequently, although the start of floral initiation is rather accu- rately known in fruit species, sound information about floral induction and evocation is still la...
Ngày tải lên: 09/08/2014, 04:20
Báo cáo lâm nghiệp: "Extended length rotation to integrate timber and pine nut production with the conservation of structural diversity in a Pinus pinea (L.) forest" pdf
... The number of pine saplings between 0 .20 and 1.30 m height was also recorded. 3 .2. Site index and age of the stand 3 .2. 1. Site index and age estimation for the inventory plots The height of the ... the height of the tree at the end (H 2 ) and at the be- ginning (H 1 ) of the five year period, as well as the difference between the age at the end...
Ngày tải lên: 07/08/2014, 16:20
Báo cáo lâm nghiệp: "Reconstructing crown shape from stem diameter and tree position to supply light models. I. Algorithms and comparison of light simulations" doc
... excluded from the clump and measured as an individual tree (with an individual crown). In the study areas and first buffers pooled, a total of 1 1 82 and 177 crowns corresponding to 1 589 and 22 7 ... created around each study area. The first buffer area brings the surface area of Plots 1 and 2 to 2. 22 and 0.67 ha, respectively, and the second buffer area...
Ngày tải lên: 08/08/2014, 00:22