Báo cáo lâm nghiệp: "Influence of fire and tree-fell on physiological parameters in Quercus ilex resprouts" potx
Báo cáo lâm nghiệp: "Influence of fire and tree-fell on physiological parameters in Quercus ilex resprouts" potx
... mineral content and leaf area (LA)determinations. Environmental conditions (inci-dent radiation [PAR], air and leaf temperature,vapor pressure deficit) during sampling and mesurements ... differences in nutri-ent (N,C,P,K and Ca) and soluble carbohydrate concentrations in leaves of resprouts originated after fire or after tree-fell indicates the independence of nutrients ... located within a Mediterranean watershed (northeast Spain). Resprouting vegeta-tion of Quercus ilex after fire or after tree-fell showed, during the next growing seasons, enhancedphotosynthesis,...
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Báo cáo lâm nghiệp: " Influence of temperatures and precipitation on radial increment of Orlické hory Mts. spruce stands at altitudes over 800 m a.s.l" ppt
... pre-vious year and by precipitation in that particular year. Precipitation in spring of the previous year and precipitation in winter, spring and summer of that particular year are of the highest ... recording the interval of table top shift-ing and in this way also the tree ring width. Measuring and synchronizing of tree-ring sequences were carried out using the PAST 32 application. e ... February and March of the year in question. e standard tree-ring chronology shows an obvious decrease in radial increments starting at the beginning of the 1970s and ending at the end of the 1980s....
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Báo cáo lâm nghiệp: "Influence of light and competition on crown and shoot morphological parameters of Norway spruce and silver fir saplings" doc
... at 1-min inter-vals, from 7.00 to 17.00, on 10 different days selected at the beginning,middle and end of the growing season on both clear and overcast skyconditions in order to increase their ... competition on growth and morphological parameters was not statistically detectable,although an effect in non-limiting light conditions is possible. On the basis of the present and of previous ... structuralfragmentation of the canopy and the clustering pattern of nat-ural regeneration [15] lead to a high spatial variability of light in the understory and of competition between saplings. An example of...
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Báo cáo lâm nghiệp: "Influence of exogenous L-proline on embryogenic cultures of larch (Larix leptoeuropaea Dengler), sitka spruce (Picea sitchensis (Bong.) Carr.) and oak (Quercus robur L.) subjected to cold and salt stress" pdf
... filtration on 200 µm nylon mesh and resuspension. 200 mgsamples of cells were analysed in triplicate. The free proline concentration in the cells was determined using a modified ninhydrin method ... and oak (results not shown). 3.2. Influence of proline in relation to concentrations of NaClFigure 2 shows the growth rate of larch embryogenic cul-tures grown in varying concentrations of ... freezing temperaturesThe concentration of proline in embryogenic cultures of larch, sitka spruce and oak is shown in Table I. With no prolineaddition, intracellular proline levels are correspondingly...
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Báo cáo lâm nghiệp: "Influence of cross section dimensions on Timoshenko’s shear factor – Application to wooden beams in free-free flexural vibration" ppsx
... Equation (1) takes the effects of shear deflection and rotary iner-tia into account. Coefficient K, which is a dimensionless quantity thatis dependent on the shape of the cross section, is introduced ... have investigated the validity range of Timoshenko’s beam equation when the height/width ratio of the cross section varies between that of a thin vibrating beamto that of a thick vibrating plate. ... rectangular cross section. This new theoreticalformulation includes relations based on the three-dimensionalelasticity theory and takes the size effect of the cross sectioninto account. Numerical...
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Báo cáo lâm nghiệp: " Release of oxalate and protons by ectomycorrhizal fungi in response to P-deficiency and calcium carbonate in nutrient solution" pptx
... in the weathering of P-containingminerals, thus promoting desorption of solid phase P into thesoil solution. However, in natural conditions such as in calcareous soils,where nitrate is considered ... setchelli and Gautiera monticola [9] was observedsimultaneously with an intense weathering of soil minerals and increased concentrations of inorganic ions in soil solution. Thesedata indicate ... alka-linized the medium. This decrease of proton concentration in the solution can be explained by the OH–/NO3–exchangerequired to maintain the ionic balance in conditions of NO3–nutrition...
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Báo cáo lâm nghiệp: " Effect of the root temperature on growth parameters of various European tree species" ppsx
... stomatal conductance, tran-spiration and dark respiration were mea-sured on fully expanded leaves of sixseedlings growing under normal greenhouseconditions in May. The ... normalization.Transpiration was hardly influenced. Res-piration showed, at the beginning of theexperiment, a strong depression and later on a strong stimulation. The significance of thedifferences ... °C (Quercus robur, Carpinus betulus) and upto 30 °C (Pinus nigra). Chilling of the root system of Juglans regia down to 2 °C resulted in a rapid and long-lasting decrease...
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Báo cáo lâm nghiệp: " Influence of stand density, thinning and elevated CO2 on stem wood density of spruce" pot
... and non-stressed conditions. In: JACOBY G.C., HORNBECK J.W. (eds.), Proceedings of the Inter-national Symposium on Ecological Aspects of Tree-Ring Analysis. Springfield, National Technical Information ... ese inconsistent results obtained for individual coniferous species can be also caused by differences in cultivation design and also in fumiga-tion duration.Presented values of SWD distinctively ... Variations in environmental conditions induce unequal response of wood density to elevated CO2. For example, at ambient temperatures, approxi-mately 60% increase of the air’s CO2 concentration...
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Báo cáo lâm nghiệp: "Influence of pulverized limestone and amphibolite mixture on the growth performance of Alnus incana (L.) Moench plantation on an acidified mountain site" potx
... during the conversion of blue spruce stands even under environmentally highly stressing conditions, (2) to assess the foliar nutrient status of the alder as a precondition of positive in uence ... decrease in height during the winter period through Table 6. Proportion values of nutrition elements to N (=100%) in dry mass of leaves (the 1st section of the table) and basic cation ratios in ... divergence of the time axis and regression line representing the development in a macroelement concentration was examined. For each macroelement, mutual parallelism of regression lines representing...
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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
... plantation response as liming.e increasing concentrations of foliar S and N might indicate a persisting air-pollution load on the site, which is in agreement with the outcomes of a long-term monitoring ... the K cations, in contrast to liming, surely participated in it.e increased CEC as a result of liming and also basalt grit application is in line with the expectations and findings of other ... content by raising the soil reaction (pH) and promoting mineralization of SOM, on the other hand this treatment adds Ca cations into soil and thus increases the probability of the formation...
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Từ khóa: cách làm báo cáo tốt nghiệphướng dẫn làm báo cáo tốt nghiệp khoa kế toánbáo cáo lâm nghiệpcách làm bìa báo cáo tốt nghiệpcách làm slide báo cáo tốt nghiệpchuyên đề điện xoay chiều theo dạngNghiên cứu tổ hợp chất chỉ điểm sinh học vWF, VCAM 1, MCP 1, d dimer trong chẩn đoán và tiên lượng nhồi máu não cấpBiện 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 carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANTrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Nghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếTìm 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 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 15: Tiêu hóa ở động 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 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 vậtĐổi 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 KỲQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ