Báo cáo lâm nghiệp:"Lack of allozyme and ISSR variation in the Rare endemic tree species, Berchemia berchemiaefolia (Rhamnaceae) in Korea" pptx
Báo cáo lâm nghiệp: "Amounts of throughfall and lysimetric water in a sub-mountain beech forest in the Kremnické vrchy Mts" ppt
... by the Scientific Grant Agency of the Ministry of Education of Slovakia and Slovak Academy of Sciences VEGA, Project No. 2/0045/08.Amounts of throughfall and lysimetric water in a sub-mountain ... 207–211 Water as a substantial component of the living environment is a limiting factor for plants, animals and humans themselves. e amount of (surface and ground) water significantly in uences, ... place, commercial aspects of this fact are reach-ing the top of the agenda. e potential reserves of “suitable” water are continually decreasing, mainly due to negative human activities. riftless...
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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
... to examine the effect of the most important climatic factors (tem-perature and precipitation) on the radial increment of selected spruce stands in the Orlické hory Mts. MATERIAL AND METHODSResearch ... Influence of temperatures and precipitation on radial increment of Orlické hory Mts. spruce stands at altitudes over 800 m a.s.l. M. R, P. Č, T. K, E. P, T. ŽFaculty of ... from 1888 to 2007.Creation of the climatic time series for the Orlické hory Mts. For the purposes of our research the climatic time series of temperatures and precipitation for the Orlické hory...
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Báo cáo lâm nghiệp: "Germination of acorns and development of oak seedlings (Quercus robur L.) following flooding" pot
... weeks and live plants were found even after 14 weeks (R, B 2002). Under the aforementioned conditions Germination of acorns and development of oak seedlings (Quercus robur L.) following ... flooded areas of North American ripa- rian forests (upland oaks) have a higher sensitivity to flood than the oak species of the actual floodplains (bottomland oaks).e flooding of Quercus robur seeds ... 1961. Germination of cherrybark and nuttal oak acorns following flooding. Ecology, 42: 430–431.COLIN-BELGRAND M., DREYER E., BIRON P., 1991. Sen-sitivity of seedlings from different oak species to...
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Báo cáo lâm nghiệp: "Density of juvenile and mature wood of selected coniferous species" pdf
... 123–130 123JOURNAL OF FOREST SCIENCE, 57, 2011 (3): 123–130Density of juvenile and mature wood of selected coniferous speciesV. G, H. V, K. H Faculty of Forestry and Wood Technology, ... objective of research was to determine the density of juvenile (JW) and mature wood (MW) of selected coniferous species growing in the Czech Republic. The research included the wood of Norway ... that wood of smaller diameter will be used. is kind of wood predominantly contains juvenile wood, which has a diff erent structure from that of mature wood. As wood density is one of the...
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Báo cáo lâm nghiệp: "Evaluation of physiological and health state of Norway spruce plants with different growth rate at juvenile stage after outplanting at" pdf
... of young spruces with known growth rate in a nursery and after outplanting are carried out in the framework of the grant project “Conservation of the stability and biodiversity of Norway spruce ... practice). Height and diameter growth and health status of outplantings are evaluated regularly on this research plot. A more detailed evaluation of phenology and physiological state was done in ... crown devastation 01234 170 J. FOR. SCI., 57, 2011 (4): 170–177JOURNAL OF FOREST SCIENCE, 57, 2011 (4): 170–177Evaluation of physiological and health state of Norway spruce plants with diff...
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Báo cáo lâm nghiệp: "Forest yield index and its applicability to the assessment of future forest yields" docx
... role in projecting future multi-functional forests is to harmonize the requirements for the Forest yield index and its applicability to the assessment of future forest yieldsL. K1,2, ... Examples of relative yield assessment in assumed conditions of even-aged, fully stocked forest stands, for the main types of target forests and most frequent MGFTs in the model territory of Kysuce, ... with other forest functions. In order to optimize this process, an inevitable prerequisite is to quantify the wood-production function of future forests. In contrast to the majority of the other...
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Báo cáo lâm nghiệp: "Comparison of morphological and physiological parameters of the planting material of Norway spruce (Picea abies [L.] Karst.) from intensive nursery technologies with current bareroot plants" ppt
... outplanting (G 1982; M 1982; A 1983; D, O- 1990; W 1990).Comparison of morphological and physiological parameters of the planting material of Norway spruce (Picea ... evaluated the growth of different types of planting material in the first years after outplanting to a mountain locality. MATERIAL AND METHODSPlantable plants of Norway spruce from the 8th ... outside from the root ball to the adjacent soil.It follows from the above results that many spe-cialized papers compared container and bareroot planting material with respect to the growth of...
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Báo cáo lâm nghiệp: "Evaluation of competition and light estimation indices for predicting diameter growth in mature boreal mixed forests" pdf
... CONCLUSIONS In this examination of competition indices for predicting diameter growth in mixed- species forests, we found that theflexible, distance-dependent crowding index was superior toother indices, but ... based indices [6, 7, 27] is also costly to ob-tain in a forest inventory. The similarity amongst the fit of Competition indices in boreal mixed forest 489mechanistically defensible. Lodgepole pine ... Evaluation of some competition indices for the pre-diction of diameter increment in planted white spruce, Can. For. Serv. Inf. Rep. FMR-X-108, 1978.[3] Bartelink H.H., Effects of stand composition and...
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Báo cáo lâm nghiệp: "Comparison of physical and mechanical properties of tension and opposite wood from ten tropical rainforest trees from different species" pptx
... I. Radius and Growth Strains (ì106) mean value of tension wood and opposite wood zone from the ten studied trees. Radius Radius GS mean GS meanFamily Genus species author of TW of OW value ... to poplar trees, Ann. For. Sci. 60(2003) 371–378.[17] Coutand C., Jeronimidis G., Chanson B., Loup C., Comparison of mechanical properties of tension and opposite wood in Populus, Wood Sci. ... the trees (except one), we tried to estimate the differencesin radial growth between tension and opposite zone in the last pe-riod of growth when tension wood was produced. From finely sandeddiscs...
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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
... spp. and Brachipodium pinnatum. The effects of light level and competition on growth and on crown and shoot morphological parameters were assessed for 76 saplings(48 Norway spruce and 28 silver ... traits [13], and possibly in allocation pat-terns, but not to morphological ones. 4. CONCLUSIONSResults of the present study confirm the importance of light on growth and on crown, shoot and needle ... 10.1051/forest:2005019Original articleInfluence of light and competition on crown and shoot morphological parameters of Norway spruce and silver fir saplings Giacomo GRASSIa,b*, Raffaello GIANNINIc...
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Báo cáo lâm nghiệp: " Impact of drought and leaf development stage on enzymatic antioxidant system of two Populus deltoides × nigra clones" potx
... leaves of both clones. For the two clones, use of inhibitors allowed identification of one Fe-SOD,one Mn-SOD and two Cu/Zn-SOD (Fig. 2A). In control condi-tions, main isoforms were Fe-SOD and ... limitedparticipation of this class of molecules during drought [10]. Theobjective of the present investigation was to focus on the res-ponse of some of the leaf enzymatic antioxidant system (SOD,catalase and ... decrease of protein content were observed for‘Luisa_Avanzo’ in response to the mild and severe drought, respectively. (Figs. 1D and J). Thus, reaction to drought was clone, leaf age- and drought...
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Báo cáo lâm nghiệp:"Lack of allozyme and ISSR variation in the Rare endemic tree species, Berchemia berchemiaefolia (Rhamnaceae) in Korea" pptx
... 10.1051/forest:2003026Original articleLack of allozyme and ISSR variation in the Rare endemic tree species, Berchemia berchemiaefolia (Rhamnaceae) in KoreaSeok-Woo LEE*, Yong-Mo KIM and Won-Woo KIMKorea ... a minimumdistance of 20 m in order to decrease the risk of relatedness.However, within a couple of stands, some trees were sampled in closeproximity (within 20 m) until the goal of 30 trees ... worldwide. On the other hand, some authoritiesclassified B. berchemiaefolia as Rhamnella berchemiaefolia Makino, Chaydaia berchemiaefolia (Makino) Koidz, Berche-miella berchemiaefolia (Makino) Nakai,...
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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
... 10.1051/forest:2003076Original article Release of oxalate and protons by ectomycorrhizal fungi in response to P-deficiency and calcium carbonate in nutrient solution Jean-Claude ARVIEU, Franck LEPRINCE, Claude ... The objective of this work was therefore to quantify the release of oxalate and/ or protons by six ectomycorrhizal iso-lates belonging to 4 species grown in pure culture in response to orthophosphate ... culture of P. involutus and S. collinitus 2 could be due to the oxalate efflux balanced by the NO3–influx. In the presence of CaCO3 high values of the ratio in the four oxalate producing fungi...
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Báo cáo lâm nghiệp: "Discrimination of coated carbide tools wear by the features extracted from parallel force and noise level" potx
... wears by the features extracted from the parallel force and noise level. The purpose is to determine the feasibility of using parallel force and noise level to monitor the extent of wear of the ... the rate of the increase of the parallel force and the noise level.3. Though the coated tools are applied for different cuttingspeed, the tools generate almost the same parallel force and noise ... though the amount of clearance wear of the TiN/AlN coated carbide was much lower than the other tools investigated [5], howeverits noise level is almost the same as that of the other tools. ...
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Báo cáo lâm nghiệp: "Roles of European and Japanese larch in the genetic control of growth, architecture and wood quality traits in interspecific hybrids (Larix × eurolepis Henry)" pot
... articleRoles of European and Japanese larch in the genetic control of growth, architecture and wood quality traits in interspecific hybrids (Larix ì eurolepis Henry)Luc E. PQUES*INRA, Unitộ ... – The respective roles of European and Japanese larch species in the genetic control of traits in interspecific hybrids are examined.Two incomplete factorial mating design experiments involving ... clones. In both factorials, the Japanese larch male component of variance is much higherthan that of European larch (Fig. 2) and the ratio Vm/Vf isincreasing over years in favour of the Japanese larch...
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