Báo cáo lâm nghiệp: "Available nitrogen in the surface mineral layer of Serbian forest soils" docx
Báo cáo lâm nghiệp: "Ecological conditions influencing the localization of egg-laying by females of the cockchafer (Melolontha hippocastani F.)" pps
... relation between the extent of the damage and the individual characteristics of the experimental plots. e relation between the extent of the damage and the method of estab-lishment of the stands ... explored the ecological conditions, which influence the female Melolontha hippocastani F. in their selection of the locality for laying eggs. In the region of mass outbreak of M. hippocastani in the ... SCIENCE, 53, 2007 (Special Issue): 16–24Ecological conditions influencing the localization of egg-laying by females of the cockchafer (Melolontha hippocastani F.)M. ŠForestry and Game Management...
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Báo cáo lâm nghiệp: "A pheasantry as the habitat of small terrestrial mammals (Rodentia, Insectivora) in southern Moravia (Czech Republic)" doc
... study of the synusiae of small terrestrial mammals of pheasantries in southern Moravia is therefore aimed at monitoring the effect of specific properties of these habitats (high diversity of biotopes, ... supplementary food in the form of feeding for pheasants. Moreover, in the region of southern Moravia, pheasantries represent isolated areas of woody vegetation in the middle of intensive-ly managed ... fall was probably caused by changes in the water regime in floodplain forests after 1972 (Z 1991). e general decrease of Soricidae in southern Moravia during the last 40 years was obvi-ously...
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Báo cáo lâm nghiệp: "Species composition in low mountain beech (Fagus sylvatica L.) stands in the Bieszczady National Park under the global warming" doc
... conditions.SHORT COMMUNICATIONSpecies composition in low mountain beech (Fagus sylvatica L.) stands in the Bieszczady National Park under the global warmingD. S1, R. J1, G. R1, ... in the fir volume and the increase in beech volume was collected.– However, the increasing share of beech, accompa-nied by a decrease in the share of fir, is typical of the natural seedlings’ ... structure in low mountain zone beech forests in the Bieszczady Mountains according to the number of trees (for years: 1993–2003) and compared with dry trees, loss ones and ingrowth treesOthers(Trees/ha)–...
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Báo cáo lâm nghiệp: "Timber harvesting in the ukrainian carpathians: Ecological problems and methods to solve them" ppsx
... us-ing engineering structures and drainage and have rather large longitudinal inclines, which in most cases does not allow using them for the passage of wheeled machinery skidders and tractors ... damage to the bearing surface and soil sampling. Before the beginning of investigations the radius of turns, lengths of linear plots, weight and geometrical parameters of a tractor were determined. ... on the utilization of certain ways of timber cutting and certain systems of machinery. To work out particular principles in detail and to better define the law, investigations started to deter-mine...
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Báo cáo lâm nghiệp: "Available nitrogen in the surface mineral layer of Serbian forest soils" docx
... subtraction of the initial content of available mineral N (for the anaerobic incubation of NH4+-N content); Ninitial‒ initial content of available mineral N (for the anaerobic incubation of NH4+-N ... the mineralization of nitrogen in the sur-face mineral layer of forest soils is diff erent from that in the forest fl oor. Besides, total crop and straw masses are in high correlation with the ... that the in- dices obtained by the process of anaerobic incuba-tion cannot be used to assess mineralizing nitrogen in clearings and arable soils. We also obtained by anaerobic incubation the...
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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
... difference in the index was confirmed in the spruce virgin forest in the altitudi-nal range of 1,300–1,400 m.e analysis of the structure of the spruce virgin forest in Nefcerka NNR assessed according ... Education of the Slovak Republic, Project No. 0082-06.A change in structural diversity and regeneration processes of the spruce virgin forest in Nefcerka NNR (TANAP) in relation to altitudeJ. ... 9.3% in the breakdown stage up to 19.1% in the growth stage of the total number of individuals of natural regeneration. e natural regeneration structure of the stud-ied spruce virgin forest Nefcerka...
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Báo cáo lâm nghiệp: "New insights in the recognition of the European ash species Fraxinus excelsior L. and Fraxinus angustifolia Vahl as useful tools for forest management" pdf
... 10.1051 /forest: 2006054Original articleNew insights in the recognition of the European ash species Fraxinus excelsior L. and Fraxinus angustifolia Vahl as useful tools for forest managementPierre ... common ash (Fraxinus excelsior L.) and the narrow-leaved ash (F. angustifolia Vahl. ) in Western Europe. The former is sought-after because of its tough and elasticwood and its rapid growth. The ... excelsior L.) and narrow-leaved ash (F. angustifolia Vahl) are the most common ash species in Western Europe. The former is considered to be a highly valuable timber tree and contamination of its...
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Báo cáo lâm nghiệp: "Climatic signal in annual growth variation of silver fir (Abies alba Mill.) and spruce (Picea abies Karst.) from the French Permanent Plot Network (RENECOFOR)" ppsx
... articleClimatic signal in annual growth variation of silver fir (Abies alba Mill.) and spruce (Picea abies Karst.) from the French Permanent Plot Network (RENECOFOR)Franỗois L*UMR INRA-ENGREF 1092 ... explores the growth/ climate relationships in earlywood, latewood and total ring-width chronologies of five Norway spruce (Picea abies) and six silver fir (Abies alba) stands sampled in the French permanent ... conifer-ous stands in the French Jura and in Switzerland [10, 39], in the Vosges Mountains [3, 4], in the French and ItalianAlps [19, 22,43], in Belgium Ardenne [37], in Czech Repub-lic [44] and in Germany...
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Báo cáo lâm nghiệp: "Growth trends reveal the forest structure during Roman and Medieval times in Western Europe: a comparison between archaeological and actual oak ring series (Quercus robur and Quercus petraea)" pot
... Europe: a comparison between archaeological and actual oak ring series (Quercus robur and Quercus petraea)Kristof HANECA a *, Joris VAN ACKER a , Hans BEECKMANb a Ghent University, Department ... three archaeological sites in Flanders. N: number of tree -ring series. AV. No. TR, AV.RW and AV. STDEV: the average number of tree rings, the average ring width and the average standard deviation ... the average number of tree rings, the average ring width and the average standard deviation of the tree -ring series. MS and AC(1): the means sensitivity and the average first-order autocorrelation...
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Báo cáo lâm nghiệp:"Wind-firmness in Pinus pinaster Aït. stands in Southwest France: influence of stand density, fertilisation and breeding in two experimental stands damaged during the 1999 storm" pdf
... forMaritime pine stands at the stand scale and at the tree scale,within this general framework.4.1. Vulnerability to wind at the stand scale4.1.1. Stand density and the damping stand effectThinning ... pinaster Aït. stands in Southwest France: influence of stand density, fertilisation and breeding in two experimental stands damaged during the 1999 stormVéronique Cucchi and Didier Bert* Laboratoire ... neighbouring stands in 1999 areindicated, and the studied stand was16 m high.Figure 7. Map of damage to the 20-year-old stand. Each point represents a pine and the position of the pines within...
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Báo cáo lâm nghiệp: " Decay resistance in Dicorynia guianensis Amsh.: analysis of inter-tree and intra-tree variability and relations with wood colour" pptx
... 10.1051/forest:2004030Original article Decay resistance in Dicorynia guianensis Amsh.: analysis of inter-tree and intra-tree variability and relations with wood colour Nadine AMUSANTa*, Jacques ... Variability of durability and colour of Dicorynia guianensis 377Figures 8 and 9 give respectively reflectance of Z1 (outerheartwood) and Z3 (inner heartwood and differences in reflect-ance ... variations in heartwood decay resistance within the same species [38, 39, 41]. This fact is usuallyattributed to the existence of radial and longitudinal gradients of decay resistance within the...
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Báo cáo lâm nghiệp: "Excess nitrogen affects the frost sensitivity of the inner bark of Norway spruce" pdf
... between N and other nutrients in the needles; (c) the frost sensitivity is related to the concentrations of sugar and starch in the bark; (d) the concentrations of sugar and starch in the bark are ... In another studyon 30–40 year-old Norway spruce in southern Sweden, the frost sensitivity of the bark and hardiness status of needles were rela-ted to the concentrations of P and Mg in bark ... 10.1051/forest:2004022Original articleExcess nitrogen affects the frost sensitivity of the inner bark of Norway spruceAnna Maria JÖNSSON*, Ulrika ROSENGREN, Bengt NIHLGÅRDDepartment of Ecology, Plant Ecology...
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Báo cáo lâm nghiệp: "Enzymatic polymorphism in natural populations of the sawfly Diprion pini L (Hymenoptera: Diprionidae) L Beaudoin" ppsx
... Original articleEnzymatic polymorphism in natural populations of the sawfly Diprion pini L (Hymenoptera: Diprionidae) L BeaudoinJP AllaisC Géri11 Station de zoologie forestière, ... females and E2 males. The allele frequencies of the allozymes in the six french D pini populations are given in table I. The allelic frequencies fitted well the panmictic expectations ... distance between populations did not allow us to discriminate betweenbivoltine lowland populations and univoltine mountain populations. The populations fell into two sub-groups:...
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Báo cáo lâm nghiệp: "Sexual reproduction in Populus I. Some physiological and biochemical events of the progamic phase" pdf
... C. (1987) Molecular and cellular events of self-incompatibility. Int. Rev.Cytol. 107,333-366Hawkes R. (1982) Identification of concanavalinA-binding proteins after sodium dodecyl ... presence of P nigra and P alba pol-len tubes inside stigmatic tissues. How-ever, increasing protein bands weredetectable, 0-20 h after pollination, only in compatible pollinated ... stigmas. The conca-navalin A-peroxidase reaction allowed the visualization of 15 stigmatic and pollinicglycoproteins. Differences were observed,according to the type of cross:...
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Báo cáo lâm nghiệp: "Sexual reproduction in Populus II. Information molecules of the pollen grain" pptx
... attractive tool for overcoming inter-specific incompatibility in poplars. Sexual reproduction in Populus II. Information molecules of the pollen grainM. Gaget1M. Villar2C. ... semi-tected exine(Figs. 1 and 2). The presence of a greatamount of osmiophilic components in the pollen coat is observed within the arcades of the exine (Fig. 2). These componentswere ... (1976) A rapid and sensitivemethod for the quantitation of microgram quan-tities of protein utilizing the principle of proteindye binding. AnaL Biochem. 72, 249-254Clarke...
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Từ khóa: báo cáo lâm nghiệpwhich layers of the osi model are included in the network interface layer of the tcpip modelwhat animals live in the under canopy layer of the rainforestcách 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 toáncách làm powerpoint báo cáo tốt nghiệptài liệu làm báo cáo tốt nghiệpcách làm bài báo cáo tốt nghiệphướng dẫn làm báo cáo tốt nghiệpbáo cáo tốt nghiệp ngành lâm nghiệphướng dẫn làm báo cáo tốt nghiệp trường lâm nghiệpmẫu bìa làm báo cáo tốt nghiệpNghiên cứu sự biến đổi một số cytokin ở bệnh nhân xơ cứng bì hệ thốngchuyên đề điện xoay chiều theo dạngMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPBiện 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 carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDEQuản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninhPhát hiện xâm nhập dựa trên thuật toán k meansĐịnh tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Thơ nôm tứ tuyệt trào phúng hồ xuân hươngGiáo 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 vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀMTÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲ