Báo cáo lâm nghiệp: "Strength properties of thermally modiﬁe

Báo cáo lâm nghiệp: "The influence of irradiation on the behaviour and reproduction success of eight toothed bark beetle Ips typographus (Coleoptera: Scolytidae)" doc

... of irradiation on the behaviour and reproduction success of eight toothed bark beetle Ips typographus (Coleoptera: Scolytidae) M. T 1 , J. V 2 1 Faculty of Forestry and Wood Sciences, ... Slovakia ABSTRACT: Irradiation experiments on Ips typographus (L., 1758) with doses of 15 and 30 Gy (cobalt 60) were con- ducted in 2006. e eﬀect...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Eﬀects of microsite variation on growth and adaptive traits in a beech provenance trial." pps

... environmental indicators.  e aim of this study was to clarify to what extent the spatial variation of environment a ects growth and adaptive traits in a provenance trial, and whether blocking can ... genetic variation within populations and/ or environmental variation on very small scales. Analysis of covariance conﬁ rmed the expected signiﬁ cant provena...

Ngày tải lên : 07/08/2014, 10:21

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Báo cáo lâm nghiệp: "Eﬀect of species composition, stand density and site index on the basal area increment of oak trees (Quercus sp.) in mixed stands with beech (Fagus sylvatica L.) in northern France" potx

... pure and mixed stands. Growth of oaks in mixed stands with beech 461 The eﬀects of stand density (Rdi o ak + beech) , species composition (mix b eech), stand age of oak (age o ak), and site index of ... the stand basal area increment as a function of dominant height, height increment of the dominant trees, and stand density...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Antioxidant properties of wood extracts and colour stability of woods" pps

... under irradiation. Poplar wood was impregnated with extracts of other woods; on Figure 12, we report the colour variation of impregnated poplar wood as a function of the colour variation of woods the extracts of which ... links between wood extracts and colour stability of wood, we have measured, for the woods the extracts of which have been studied abov...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Eﬀects of selective thinning on growth and development of beech (Fagus sylvatica L.) forest stands in south-eastern Slovenia" docx

... 52]. Classification of thinning methods varies due to different criteria, including the type of thinning, intensity (grade), re- turn interval, and the timing of the first thinning [48]. Two major types of thinning ... again during the last thinning. In the T2, 258 crop trees were chosen in the first thinning, and only 62% of these trees were chosen again during the las...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Inﬂuence of tree species on gross and net N transformations in forest soils" ppsx

... balance between gross transformations of organic N into ammonium or nitrate and immobilisation of mineral N by living microorganisms. Net nitriﬁcation results from gross oxidation of ammonium and organic ... mineralization in spruce and Douglas ﬁr respectively, and close to net mineralization in Corsican pine, beech and oak. 3.3. Short term gross mineraliza...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Strength properties of thermally modiﬁed softwoods and its relation to polymeric structural wood constituents" pot

... article Strength properties of thermally modified softwoods and its relation to polymeric structural wood constituents Michiel J. B a * ,JorisV  A b ,BôkeF.T c ,EdoV.K a a Plato International ... temperature and chemical effects on wood stability. Part 2. The effect of heat on the softening of radiata pine, Wood Sci. Technol. 19 (1985) 5...

Ngày tải lên : 07/08/2014, 16:21

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Báo cáo lâm nghiệp: "Seasonal changes of plant hydraulics, water relations and growth of Aesculus hippocastanum seedlings infested by the leafminer Cameraria ohridella" ppt

... 10.1051/forest:2005001 Original article Seasonal changes of plant hydraulics, water relations and growth of Aesculus hippocastanum seedlings infested by the leafminer Cameraria ohridella Fabio RAIMONDO, ... miner Cameraria ohridella causes premature defoliation in Aesculus hippocastanum. The impact of the parasite on seasonal changes of water...

Ngày tải lên : 08/08/2014, 00:21

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Báo cáo lâm nghiệp: "Sessile oak (Quercus petraea Liebl.) site index variations in relation to climate, topography and soil in even-aged high-forest stands in northern France" doc

... petraea Liebl.) site index variations in relation to climate, topography and soil in even-aged high-forest stands in northern France Laurent BERGÈS a *, Richard CHEVALIER a , Yann DUMAS a , Alain ... water and nutrient budgets in predicting site index variations The climate/water-related factors and nutrient-related factors explained 0 to 25...

Ngày tải lên : 08/08/2014, 00:22

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Báo cáo lâm nghiệp: " Seed germination of Quercus robur, Q. pyrenaica and Q. ilex and the effects of smoke, heat, ash and charcoal" ppsx

... 2006 DOI: 10.1051/forest:2005112 Original article Seed germination of Quercus robur, Q. pyrenaica and Q. ilex and the effects of smoke, heat, ash and charcoal Otilia REYES*, Mercedes CASAL Área ... account the type of resprout, Q. robur, Q. pyrenaica and Q. ilex are Pyrogeophyte species. The first of these resprouts from the stump or...

Ngày tải lên : 08/08/2014, 00:22

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Báo cáo lâm nghiệp: "Frost resistance of seeds in Mediterranean oaks and the role of litter in the thermal protection of acorns" docx

... freezing and exotherm profiles for the four species studied (in increasing order of frost resistance) . Exotherms represented are obtained from mean values of starting point, width and duration of ... leaf litter cover which protected acorns during winter. The insulating role of leaf litter along a winter season in a Q. faginea stand in the Zaragoza province was...

Ngày tải lên : 08/08/2014, 01:22

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Báo cáo lâm nghiệp: "Environmental control of CO assimilation rates 2 and stomatal conductance in five oak species growing under field conditions in Greece" ppsx

... efficiency and CO 2 compensation point associated with midday stomatal closure and midday depression of net CO 2 exchange of leaves of Quercus suber. Planta 1 62, 193 -20 3 Tenhunen ... patterns in forest stands of lobolly pine (Pinus taeda L). In: Abstract collection of the international workshop on Ecophysiology and Genetics of...

Ngày tải lên : 08/08/2014, 18:21

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Báo cáo lâm nghiệp: " The role of glutamine synthetase, glutamate synthase and glutamate dehydrogenase in ammonia assimilation by the mycorrhizal fungus Pisolithus tinctorius" ppt

... The role of glutamine synthetase, glutamate synthase and glutamate dehydrogenase in ammonia assimilation by the mycorrhizal fungus Pisolithus tinctorius J.L. Kershaw G.R. ... inhibition by MSX. The increase in the glutamate pool appeared to indicate assimilation of ammonia into glutamate by GDH activity. Inhibition of gl...

Ngày tải lên : 09/08/2014, 04:20

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Báo cáo y học: "Dynamic simulation of red blood cell metabolism and its application to the analysis of a pathological condition" docx

... 19:205-210. 6. Takahashi K, Ishikawa N, Sadamoto Y, Sasamoto H, Ohta S, Shiozawa A, Miyoshi F, Naito Y, Nakayama Y, Tomita M: E -Cell 2: Multi-plat- form E -Cell simulation system. Bioinformatics 2003, 19:1727-1729. 7. ... oxidant- induced decrease of hexokinase and pyruvate kinase, and the maximum activity of these enzymes was allowed to change according to the ratio...

Ngày tải lên : 13/08/2014, 22:22

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Báo cáo y học: "A catalog of human cDNA expression clones and its application to structural genomics" pps

... found previously [10], the size of the expression product of a random cDNA expression clone is predictive of the reading frame of the cDNA insert. Most expression products with sizes of less than ... library analysisFigure 1 Flow chart of hEx1 library analysis. Original library of 193,536 clones 37,830 clones selected for protein expression using anti-RGS His an...

Ngày tải lên : 14/08/2014, 14:21

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