Báo cáo lâm nghiệp: "Do trees use reserve or newly assimilated carbon for their defense reactions? A 13 C labeling approach with young Scots pines inoculated with a bark-beetle-associated fungus (Ophiostoma brunneo ciliatum" pptx
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...
- 15
- 377
- 0
Báo cáo lâm nghiệp: "The influence of selected factors on energy requirements for plain milling of beech wood" ppsx
... information on the given problems. Energy requirements were assessed on the basis of measurement and evaluation of electric input e influence of selected factors on energy requirements for plain ... of selected factors of energy require-ments at plain milling of beech wood on cutting input as well as on basic technological parameters vc and vf, and on the tool angular geometry of ... the question of energy intensity (G 2008) of produc-tion has come to the fore. Milling as one of the basic and widespread methods of wood-working strongly depends on electrical energy. Annual...
- 8
- 434
- 2
Báo cáo lâm nghiệp: " Quantification of nutrient content in the aboveground biomass of teak plantation in a tropical dry deciduous forest of Udaipur, Indi" pdf
... nutrient content of aboveground biomass of teak plantation in a tropical dry deciduous forest of Udaipur, Rajasthan, India. e nutrient contents in the total biomass of teak in the plantation ... involved. Plantation species of the genus Acacia, Pinus, Euca-Quantication of nutrient content in the aboveground biomass of teak plantation in a tropical dry deciduous forest of Udaipur, IndiaJ. ... biomass of teak plantation in a tropical dry deciduous forest of Rajasthan, western India. erefore, the main objective of the present study is to quantify the nutrient content of aboveground biomass...
- 6
- 353
- 0
Báo cáo lâm nghiệp: "Ground based operation effects on soil disturbance by steel tracked skidder in a steep slope of forest" ppt
... precipitation rates, these machines are likely to remain the most common type of skid-ding machine used. In mountainous and steep areas, the terrain slope is an important factor that a ects operational ... costs and erosion. It may also a ect the soil compaction, so in planning forest operations and aligning skid trails the terrain slope may be an im-portant consideration for protecting soil ... productivity can be originated by such intense logging operations.e common effects on soils from ground based forest operations are increased compaction and removal of litter mass in skid trails (T...
- 7
- 412
- 0
Báo cáo lâm nghiệp: "Changes in air quality in different phases of forest management process in a sub-mountain beech ecosystem (West Carpathian Mts.)" pdf
... 2/0045/08, and by the Slovak Research and Development Agency, Contract No. APVV-0102-06.Changes in air quality in different phases of forest management process in a sub-mountain beech ecosystem (West ... ecosystem (West Carpathian Mts.)D. KInstitute of Forest Ecology, Slovak Academy of Sciences, Zvolen, SlovakiaABSTRACT: We studied air quality in a sub-mountain beech ecosystem in the Kremnické ... intervention was evident on all plots – indicating the absence of connection with the individual phases of forest management process, but at the same time indicating the presence of climate change. In...
- 8
- 363
- 0
Báo cáo lâm nghiệp: "Nutrient dynamics in decomposing needles of Pinus luchuensis after typhoon disturbance in a subtropical environment" pps
... The area is characterized by a subtropical climate and abun-dant rainfall throughout the year. Annual mean temperature is about21.8◦C. Annual mean rainfall is 2680 mm over last 30 years (Ex-perimental ... 707c INRA, EDP Sciences, 2006DOI: 10.1051/forest:2006051Original articleNutrient dynamics in decomposing needles of Pinus luchuensis after typhoon disturbance in a subtropical environmentXiaoniu ... phosphorus, Can. J. For. Res.31 (2001) 1164–1174.[25] Rutigano F .A. , Alfani A. , Bellini L., Virzo De Santo A. , Nutrient dynamics in decaying leaves of Fagus sylvatica L. and needles of Abies alba Mill,...
- 7
- 311
- 0
Báo cáo lâm nghiệp: "Human land-use, forest dynamics and tree growth at the treeline in the Western Italian Alps" ppt
... of the trees at the treeline was similar to the subalpine level, and the correlations between the two chronologies consequentlyincreased significantly.3.4. Growth trends in dominant trees The ... argues in favor of the fact that the tree establishment, and more in general the forest dynamic, has been mainly controlledby human land-use (Fig. 6) and that the tree growth has beenmainly climatically ... together in the presentstudy argues in favor of the fact that the tree establishment, and more in general the forest dynamic, has been mainly controlled by human land-use and that the tree growth...
- 9
- 300
- 0
Báo cáo lâm nghiệp: "Modelling dominant height growth and site index curves for rebollo oak (Quercus pyrenaica Willd.)" pptx
... 929c INRA, EDP Sciences, 2006DOI: 10.1051/forest:2006076Original articleModelling dominant height growth and site index curves for rebollo oak (Quercus pyrenaica Willd.)Patricia Aa*,IsabelC˜b, ... A dominant height growth model and a site index model were developed for rebollo oak (Quercus pyrenaica Willd.) in northwest Spain.Data from 147 stem analysis in 90 permanent plots, where rebollo ... looking for relationships between site index and ecological variables [22,49], the analysis is fa-cilitated with a single dominant height growth pattern.Modelling dominant height growth for Q. pyrenaica...
- 12
- 399
- 0
Báo cáo lâm nghiệp: "Do trees use reserve or newly assimilated carbon for their defense reactions? A 13 C labeling approach with young Scots pines inoculated with a bark-beetle-associated fungus (Ophiostoma brunneo ciliatum" pptx
... defense reactions? A 13 C labeling approach with young Scots pines inoculated with a bark-beetle-associated fungus (Ophiostoma brunneo ciliatum)Natacha Guerard a, b, Pascale Maillardb*, Claude Brechetb, ... 601–608 Available online at: c INRA, EDP Sciences, 2007 www.afs-journal.orgDOI: 10.1051/forest:2007038Original articleDo trees use reserve or newly assimilated carbon for their defense reactions? ... 43].Drought can also change the balance between newly assimi-lated and stored C in supplying the reaction zones of attackedconifers [23]. Labeling trees with a stable carbon isotope ( 13 C) is a pow-erful...
- 8
- 411
- 0
Báo cáo lâm nghiệp: " Influence of environmental conditions on radial patterns of sap flux density of a 70-year Fagus crenata trees in the Naeba Mountains, Japan" ppsx
... Map of projected canopy areas of the investigated Fagus crenata trees in the Naeba Mountains, Japan. The shaded canopies indicate the measurement trees. Table I. General characteristics of the investigated ... Adiku S.,Kakubari Y., Influences of environmental factors on the radial pro-file of sap flux density in Fagus crenata growing at different elevations in the Naeba Mountains, Japan, Tree Physiol. ... Radial patterns of SFD of Fagus crenata 2953.4. Radial patterns of SFDday using Weibull function with different environmental conditionWe continued our analysis of SFDday patterns in the...
- 8
- 435
- 0
Báo cáo lâm nghiệp:"Propriétés des merrains affinés dans une solution d’enzymes naturels et destinés à la tonnellerie" pot
... originalPropriétés des merrains affinés dans une solution d’enzymes naturels et destinés à la tonnellerieBenoit Joureza*, Stéphane Charronb et Jean-Philippe Quinca Centre de Recherche de la Nature, des ... par les objectifs dans respectivement chacune des classes. Cette sous-représen-tation indique la difficulté à échantillonner des merrains appartenant à la classe 3 de largeur des cernes, en raison ... pesée et mesure des dimensions des éprouvettes destinées à la détermination du module d’élasticité. dans laquelle : m = masse de l’éprouvette (g) ; l = longueur del’éprouvette (mm) ; b = largeur...
- 8
- 383
- 0
Báo cáo lâm nghiệp:" Mature trees versus seedlings: Differences in leaf traits and gas exchange patterns in three co-occurring Mediterranean oaks" docx
... availability. In this study we analysed the leaf traits and patterns of gas- exchange during the well-watered part of the growth season in mature trees and seedlings of three co-occurring Quercus ... However, in our case it seems that the interspecific differences in leaf life span show a smaller effect on the phys-iological differences at leaf level in seedlings than in mature trees, and this ... adults. In all cases, leaf mass per unit area (LMA) and leaf nitrogencontent were significantly lower in seedlings than in mature trees, although the differences in N content between seedlingsand...
- 6
- 409
- 0
Báo cáo lâm nghiệp:"The relationship between vegetation management and the wood and pulping properties of a Eucalyptus hybrid clone" pdf
... sub-tropical, with a mean annual rainfall and temperature of 1144 mm and 22 °C respectively. The trial was located at an elevation of 45 m on an east facing slope. Soil parent material is of aeolian ... important indicator of pulpwoodquality.3.7. The use of Canonical Variate Analysis to compare the properties between groups of variatesCanonical Variate Analysis (CVA), also known as lineardiscriminant ... whichaccommodates the remaining 36% of the variation, is a con-trast between the active alkali and fibre coarseness versus the density, screened pulp and the water extractable content. A permutation...
- 8
- 387
- 0
Báo cáo lâm nghiệp: "Assessing the potential of natural woody species regeneration for the conversion of Norway spruce plantations on alluvial soils" doc
... In the perspective of the conversion of Norway spruce plantations, there is a need for foresters to assess the potential of the natural woody species regeneration. We studied 50 Norway spruce plantations ... natural woody species regeneration for the conversion of Norway spruce plantations on alluvial soilsBruno HÉRAULTa*, Daniel THOENa, Olivier HONNAYba Department of Environmental Sciences ... competi-tion on the growth of seedling of four tree species on a range of soil,Q. J. For. 73 (1979) 160–171.[28] Hérault B., Bouxin G., Thoen D., Comparison of the regeneration patterns of woody species...
- 9
- 329
- 0
Báo cáo lâm nghiệp: "Micrometeorological assessment of sensitivity of canopy resistance to vapour pressure deficit in a Mediterranean oak forest * " potx
... resistance to vapour pressure deficit in a Mediterranean oak forest * A PitaccoN GallinaroInstitute of Pomology, University of Padova, Via Gradenigo 6, 35151 Padova, Italy(Received ... 0.06).CONCLUSIONThe Mediterranean oak forest that has beeninvestigated seems to dissipate most of theavailable energy as latent heat in the morn-ing and gradually increase the release ... response of stomata to atmosphericwater vapour deficit (Cowan, 1977; Cowanand Farquhar, 1977; Farquhar, 1978). Impli-cations of sensitivity of foliage to vapour pressure deficit...
- 8
- 271
- 0
Từ khóa: báo cáo lâm nghiệpcách làm báo cáo tốt nghiệphướng dẫn làm báo cáo tốt nghiệp khoa kế toáncách làm bìa báo cáo tốt nghiệpcách làm slide báo cáo tốt nghiệpcách làm báo cáo tốt nghiệp chuyên ngành kế toánBáo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018Nghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngBáo cáo quy trình mua hàng CT CP Công Nghệ NPVNghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namNghiên cứu tổ hợp chất chỉ điểm sinh học vWF, VCAM 1, MCP 1, d dimer trong chẩn đoán và tiên lượng nhồi máu não cấpđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhPhát hiện xâm nhập dựa trên thuật toán k meansTìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinQuản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)Tranh tụng tại phiên tòa hình sự sơ thẩm theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn xét xử của các Tòa án quân sự Quân khu (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIChiến lược marketing tại ngân hàng Agribank chi nhánh Sài Gòn từ 2013-2015Đổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt nam