Báo cáo lâm nghiệp: "A model of light interception and carbon balance for sweet chestnut coppice (Castanea sativa Mill )" pdf
Báo cáo lâm nghiệp: "A model of light interception and carbon balance for sweet chestnut coppice (Castanea sativa Mill.)" pdf
... A model of light interception and carbon balance for a sweet chestnut coppice (Castanea sativa Mill. )L. MordacqB. SaugierLaboratoire d’Ecologie ... respiration and aerial growth in a sweet chestnut (Castanea sativa Mill. ) coppice for several years after a cut. Wedesigned a model to predict photosynthe-sis of heterogeneous ... photosyn-thesis -light curve (by unit leaf area of thetree) compared with the outputs of the model for a single tree and for two light conditions. The light saturation...
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Báo cáo lâm nghiệp: "A model of with even-aged beech stands productivity process-based interpretations" doc
... in the model and to guide futureresearch.A FUNCTIONAL INTERPRETATION OF THE STAND GROWTH MODEL Volume growth equation and carbon- balance modelsEquations [10] and [12] may ... of equa-tions applies as well for a large range of siteconditions and, if not, whether the form of range of situations than the original "normalstands" of ... by a separate model of sapwood geometry and dynamics.Fagus sylvatica L / stand productivity / Eichhorn’s rule / growth and yield models / carbon- balance models / sapwoodRésumé...
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Báo cáo lâm nghiệp: "A survey of forest pollution with heavy metals in the Natural Forest Region (NFR) Moravskoslezské Beskydy with particular attention to Jablunkov Pass" docx
... health status of forest stands changed and the leaf discoloration and dieback of trees occurred. e worst situation is in the north – in the eastern part of the region where groups of trees died. ... influenced by the quantity and quality of organic matter and by the altitude of sampling sites. e higher values of medians of zinc, lead and cadmium contents are found in the area of the Pass. Chromium ... southern part of NFR. e medians of concentrations of elements in the forest floor of Norway spruce stands in the area of NFR except Jablunkov Pass are: Zn – 70.6, Pb – 88.6, Cd – 6.4 and Cr – 0.69...
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Báo cáo lâm nghiệp: "A change in structural diversity and regeneration processes of the spruce virgin forest in Nefcerka NNR (TANAP) in relation to altitude" docx
... protection and hydrological ones in particular. A significant part of spruce stands in this forest veg-etation level preserves the character of the natural forest.Long-term monitoring of natural forests ... aspect of the survival and growth of spruce seedlings. An analysis of the influence of the seedbed on the number of spruce and rowan individuals is recorded in Table 5. e analysis of this ... Research and Development Agency of the Ministry of Education of the Slovak Republic, Project No. 0082-06.A change in structural diversity and regeneration processes of the spruce virgin forest...
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Báo cáo lâm nghiệp: "Effect of leaf biomass and phenological structure of the canopy on plot growth in a deciduous hardwood forest in northern Japan" pot
... biomass of a forest stand is the primary deter-minant of stand growth [26, 31, 35] because foliage constitutesthe photosynthetic organ of a tree. For example, as a young for- est stand develops, ... number and basal area in the study plots. Thinning was performed in 1984. Values (stem number and basal area just before and after thinning and thinning ratio) are shown for 1984 and 1995.Plot Before ... incre-ment and carbon balance of ash (Fraxinus excelsior) trees in an ex-perimental stand in northeastern France, Ann. For. Sci. 61 (2004)577–588.[18] Le Goff N., Ottorini J.M., Leaf development and...
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Báo cáo lâm nghiệp: "Botanical determinants of foliage clumping and light interception in two-year-old coppice poplar canopies: assessment from 3-D plant mock-ups" ppsx
... 3-D CPCA model outputs (sim.) and field measurements (mes.) for poplar clones Ghoy and Trichobel. Maximum shoot height (lA1) and mean plant parameters (see Tab. I for list of abbreviations and theirdefinitions) ... Botanical determinants of foliage clumpiness and light harvestingStudies linking botanical parameters to spatial distribution of leaf area and/ or light interception at branch and/ or canopylevels ... arrangement of theleaves [22]. Phyllotaxy rules, branching angle and frequency,lengths of internode and petiole and leaf shape, size and ori-entation have significant effects on light interception...
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Báo cáo lâm nghiệp: "A comparison of two modelling studies of environmental effects on forest carbon stocks across Europe" ppsx
... the carbon pools and fluxes in more detail in Figure 1b.The model has 7 state variables for carbon and about 40 param-eters. For application to European forests the model was run for each of ... importance of the variables and of source of uncertainty.Characteristics of the two models are compared in Table I.2. CASE STUDY 1: THE EUROBIOTA FOREST SYSTEM MODEL 2.1. The model The EuroBiota forest ... the carbon cycle model and canopy conductance from the carbon modelled con-trolled forest transpiration in the water model. The overall structure of EuroBiota model is shown in Figure 1aand...
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Báo cáo lâm nghiệp: " A collection of functions to determine annual tree carbon increment via stem-analysis" pot
... calculated as the sum of each log volume and the volume of the cone formed by tree terminal bud and the highest cross-section: .(2)Equations (1) and (2) are looped for each year of tree life to yieldannual ... inAlberi e Foreste per il nuovo Millennio, Proceedings of the thirdmeeting of the Italian Society of Forest Management and Ecology(SISEF), 2003.[22] Monserud R.A., Height growth and site index ... (University of Viterbo) for useful advice on forest management and forest growthpattern issues, and M. Gaudet for the french translation. This researchhas been supported by the EU FORCAST project...
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Báo cáo lâm nghiệp: "A comparison of fitting techniques for ponderosa pine height-age models in British Columbia" potx
... error and its mean squared error was almost as small asthat for model (5). Therefore, I recommend the use of model (4) for estimating the height of ponderosa pine in British Columbia.The models ... terms any of the tested models would suffice [3, 4, 8, 33]. Therefore, I chose thelog-logistic model because it was used successfully in the past for otherspecies [3, 19, 33], and because of its ... height growth trajectories and small sample sizes for some zones. A new height model for ponderosa pine is nowavailable for British Columbia. This model gives only slightly different height estimates...
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Báo cáo lâm nghiệp: " A comparison of the photosynthetic radiation response of Scots pine shoots in direct and diffuse radiation" pot
... of the photosynthetic radiation response of Scots pine shoots in direct and diffuse radiationP. Oker-Blom1H. Smolander2T. Lahti3! University of Helsinki, Department of ... invariant photo-synthetic light- response curve.* Present address: University of Georqia. School of ForesMaterials and MethodsThe material consisted of 9, 1 yr old shoots ... Oker-Blom,1985). The aim of this study was to com-pare the rates of photosynthesis of Scotspine (Pinus sylvestris L.) shoots in diffuse and direct radiation and to test a shootphotosynthesis...
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Từ khóa: Báo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018Nghiên cứu tổ hợp chất chỉ điểm sinh học vWF, VCAM 1, MCP 1, d dimer trong chẩn đoán và tiên lượng nhồi máu não cấpNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiBiện pháp quản lý hoạt động dạy hát xoan trong trường trung học cơ sở huyện lâm thao, phú thọGiáo 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 carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longNghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếNghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúngTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2chuong 1 tong quan quan tri rui roGiáo 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 vậtTrách nhiệm của người sử dụng lao động đối với lao động nữ theo pháp luật lao động Việt Nam từ thực tiễn các khu công nghiệp tại thành phố Hồ Chí Minh (Luận văn thạc sĩ)Đổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ