Báo cáo lâm nghiệp: "Variation in wood properties among five full-sib families of Norway spruce (Picea abies)" ppt

Báo cáo lâm nghiệp: "Changes in the mycorrhizal status of some mountain spruce forests" potx

Báo cáo lâm nghiệp: "Changes in the mycorrhizal status of some mountain spruce forests" potx

... 82–88 in Růžová hora the average decrease was 0.70 g, in Sněžka 0.81 g (Fig. 5). Changes in the parameters within the years 2004–2006 Data on mycorrhizal status of roots obtained from spring ... approximately in the same distance (about 1 m) from the stem of five selected trees. e cylinder of the soil probe used for this purpose had the inner diameter of...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Multivariate statistical approach to comparison of the nutrient status of Norway spruce (Picea abies [L.] Karst.) and top-soil properties in differently managed forest stands" potx

Báo cáo lâm nghiệp: "Multivariate statistical approach to comparison of the nutrient status of Norway spruce (Picea abies [L.] Karst.) and top-soil properties in differently managed forest stands" potx

... 526/03/H036. Multivariate statistical approach to comparison of the nutrient status of Norway spruce (Picea abies [L.] Karst.) and top-soil properties in differently managed forest stands P. S 1 , ... 1992). Norway spruce (Picea abies [L.] Karst.) is the main edificator and stand-forming tree species in mountain spruces sta...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Variability in density of spruce (Picea abies [L.] Karst.) wood with the presence of reaction wood" potx

Báo cáo lâm nghiệp: "Variability in density of spruce (Picea abies [L.] Karst.) wood with the presence of reaction wood" potx

... remarkable increase in wood density along the stem radius in all the models. In the CW zone, the increase is more distinct in the first 40 years of growth, then the wood density stagnates. In the other ... trend when density increases with the increasing percentage of compression wood in the sample. When there is 10% of compression wood i...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Changes in Austrian pine forest floor properties in relation with altitude in mountainous areas" pdf

Báo cáo lâm nghiệp: "Changes in Austrian pine forest floor properties in relation with altitude in mountainous areas" pdf

... 228/29042004. Changes in Austrian pine forest floor properties in relation with altitude in mountainous areas O. S, H. B. T Department of Soil Science and Ecology, Faculty of Forestry, Istanbul ... the initial mass was still remaining after 2 years for pine. Besides V and C (2001) recorded that in boreal forests where cold climatic conditions prev...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Changes in air quality in different phases of forest management process in a sub-mountain beech ecosystem (West Carpathian Mts.)" pdf

Báo cáo lâm nghiệp: "Changes in air quality in different phases of forest management process in a sub-mountain beech ecosystem (West Carpathian Mts.)" pdf

... 2/0045/08, and by the Slovak Research and Development Agency, Contract No. APVV-0102-06. Changes in air quality in different phases of forest management process in a sub-mountain beech ecosystem (West ... ecosystem (West Carpathian Mts.) D. K Institute of Forest Ecology, Slovak Academy of Sciences, Zvolen, Slovakia ABSTRACT: We studied ai...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Variation of conducting area in stems of European larch (Larix decidua) growing in fresh mixed coniferous forest and fresh mixed forest sites" pdf

Báo cáo lâm nghiệp: "Variation of conducting area in stems of European larch (Larix decidua) growing in fresh mixed coniferous forest and fresh mixed forest sites" pdf

... zone rings of early and late wood are contained, the Variation of conducting area in stems of European larch (Larix decidua) growing in fresh mixed coniferous forest and fresh mixed forest ... classes in age class IV in fresh mixed coniferous forest (A) and fresh mixed forest (B) sites Fig. 9. A comparison of characteristic...
Ngày tải lên : 07/08/2014, 10:21
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Báo cáo lâm nghiệp: "Variation of the tree form factor and taper in European larch of Polish provenances tested under conditions of the Beskid Sądecki mountain range (southern Poland)" docx

Báo cáo lâm nghiệp: "Variation of the tree form factor and taper in European larch of Polish provenances tested under conditions of the Beskid Sądecki mountain range (southern Poland)" docx

... University of Cracow. Variation of the tree form factor and taper in European larch of Polish provenances tested under conditions of the Beskid Sądecki mountain range (southern Poland) J. S 1 , ... estimation of variation of the tree form factor for all data within individual provenances was done in several stages. Since...
Ngày tải lên : 07/08/2014, 10:22
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Báo cáo lâm nghiệp: "Variation in wood volatile compounds in a mixed oak stand: strong species and spatial differentiation in whisky-lactone content" pptx

Báo cáo lâm nghiệp: "Variation in wood volatile compounds in a mixed oak stand: strong species and spatial differentiation in whisky-lactone content" pptx

... three ecological zones: a small valley, a plateau and a regular intermediate slope. The plateau is covered by a well drained soil and composed of sand and slit. The small valley is characterized ... compounds in a mixed oak stand: strong species and spatial differentiation in whisky-lactone content Andrei P a ,AlexisD b ,RémyJ.P b , Géra...
Ngày tải lên : 07/08/2014, 16:20
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Báo cáo lâm nghiệp: "Variation in wood properties among five full-sib families of Norway spruce (Picea abies)" ppt

Báo cáo lâm nghiệp: "Variation in wood properties among five full-sib families of Norway spruce (Picea abies)" ppt

... modulus of elasticity (MOE), modulus of rupture (MOR) and related wood traits: latewood proportion, wood density, spiral grain, microfibril angle and lignin content in five full-sib families of Norway spruce. ... 10.1051/forest:2007062 Original article Variation in wood properties among ve full-sib families of Norway spruce (Picea abies) Arne Steffen...
Ngày tải lên : 07/08/2014, 16:21
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Báo cáo lâm nghiệp: "Variation of morphological traits in natural populations of maritime pine (Pinus pinaster Ait.) in Morocco" pot

Báo cáo lâm nghiệp: "Variation of morphological traits in natural populations of maritime pine (Pinus pinaster Ait.) in Morocco" pot

... (2006) 8392 â INRA, EDP Sciences, 2006 DOI: 10.1051/forest:20050100 Original article Variation of morphological traits in natural populations of maritime pine (Pinus pinaster Ait.) in Morocco Nadya ... in seven geographical origins of maritime pine (Pinus pinaster Ait.), Theor. Appl. Genet. 88 (1994) 407–411. [8] Baradat P., Marpeau A., Le pin marit...
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp:"Succession from bog pine (Pinus uncinata var. rotundata) to Norway spruce (Picea abies) stands in relation to anthropic" docx

Báo cáo lâm nghiệp:"Succession from bog pine (Pinus uncinata var. rotundata) to Norway spruce (Picea abies) stands in relation to anthropic" docx

... Succession from bog pine to Norway spruce stands 351 Table I. Vegetation tabular of the phytocoenotic relevés and their synusial relevés in the bog pine stand of phytocoenosis No 1 and in the bog pine ... A., Schweingruber F.H., Gobat J M., Stand structure, invasion, and growth dynamics of bog pine (Pinus uncinata var. rotundata) in relation to pe...
Ngày tải lên : 08/08/2014, 01:21
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Báo cáo lâm nghiệp:" Variation in the decay resistance and its relationship with other wood characteristics in old Scots pines" ppsx

Báo cáo lâm nghiệp:" Variation in the decay resistance and its relationship with other wood characteristics in old Scots pines" ppsx

... properties of the wood, and thus quantify the importance of the individual factors contributing to the natural durability of Scots pine wood. The variation in the in vitro decay rate, and in the extractive ... that the mass loss in the periphery part of the heartwood was lower than that in the centre of the heartwood. The other marked dif- fer...
Ngày tải lên : 08/08/2014, 01:21
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Báo cáo lâm nghiệp: "Variation in the composition and content of ellagitannins in the heartwood of European oaks (Quercus robur and Q petraea). A comparison of two French forests and variation with heartwood age" ppt

Báo cáo lâm nghiệp: "Variation in the composition and content of ellagitannins in the heartwood of European oaks (Quercus robur and Q petraea). A comparison of two French forests and variation with heartwood age" ppt

... Original article Variation in the composition and content of ellagitannins in the heartwood of European oaks (Quercus robur and Q petraea). A comparison of two French forests and ... identification of nine of these 12 ellagitannins (fig 1). Purified samples of vescalagin, castalagin, grandinin and roburin A (kindly p...
Ngày tải lên : 08/08/2014, 18:21
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Báo cáo lâm nghiệp: "Cavitation in trees and the stems hydraulic sufficiency of woody" doc

Báo cáo lâm nghiệp: "Cavitation in trees and the stems hydraulic sufficiency of woody" doc

... Tyree and Sperry (1988) attempted to answer these questions by measuring and calculating what might be called the hydraulic sufficiency of trees. In valuing hydraulic sufficiency, ... review of the conclusions of the steady-state model and the data used will aid in the under- standing of the more advanced model pre- sented here....
Ngày tải lên : 09/08/2014, 04:20
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Báo cáo lâm nghiệp: "Variation of stomatal resistance with leaf age in Quercus petraea: effect on the soil-water balance of an oak forest" pot

Báo cáo lâm nghiệp: "Variation of stomatal resistance with leaf age in Quercus petraea: effect on the soil-water balance of an oak forest" pot

... after the leaf area index (Nizinski and Saugier, 1988; 1989a, b). We thus decided to study the effect of leaf age on stomatal resistance and on the morphology of the leaf ... ma- ture oak forest. Agric. For. Meteorol. in press
Ngày tải lên : 09/08/2014, 04:20
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