Báo cáo lâm nghiệp: "Variation of conducting area in stems o

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

... 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

... 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: "Modelling stand basal area growth for radiata pine plantations in Northwestern Spain using the GADA" doc

... future trajectory of the stand basal area. It was therefore not necessary to con- sider the thinning eﬀect in the dynamic model for projecting stand basal area in thinned stands. These results were ... develop a stand basal area growth system for radiata pine plantations in Galicia (northwestern Spain) . A stand basal area projection function...

Ngày tải lên : 07/08/2014, 16:21

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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 the photosynthetic capacity across a chronosequence of maritime pine correlates with needle phosphorus concentration" pptx

... explained by the higher values of photosynthetic capacity and intermediate level of stomatal conductance meas- ured in the trees of this stand. Leaf nitrogen concentration on an area basis appeared ... likely the main cause of the changes in photosynthetic capacity observed among maritime pine stands. Having acknowledged that the differential fertilisation of...

Ngày tải lên : 08/08/2014, 00:22

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Báo cáo lâm nghiệp: "Morning, noon, or afternoon: does timing of direct radiation influence the growth of Picea abies seedlings in mountain forests?" pptx

... amount of direct sunlight enhances the growth of P. abies seedlings in subalpine environments, the timing of exposure to direct sunlight is less important. The pathways of influence of direct ... treatment). Like the other seedlings, these seedlings were either potted (32 seedlings) or outside pots (8 seedlings). However, we did not include these...

Ngày tải lên : 08/08/2014, 00:22

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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:" 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: "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 study on 30–40 year-old Norway spruce in southern Sweden, the frost sensitivity of the bark and hardiness status of needles were related to...

Ngày tải lên : 08/08/2014, 01:21

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Báo cáo lâm nghiệp: "Salicylic acid up-regulates the expression of chloroplastic Cu, Zn-superoxide dismutase in needles of maritime pine (Pinus pinaster Ait.)" pptx

... 847850 â INRA, EDP Sciences, 2005 DOI: 10.1051/forest:2004083 Note Salicylic acid up-regulates the expression of chloroplastic Cu, Zn-superoxide dismutase in needles of maritime pine (Pinus pinaster ... motor for the higher divergence rate [12]. 3.2. Effect of salicylic acid on the expression of Pinus pinaster chloroplastic Cu,Zn-sod The ex...

Ngày tải lên : 08/08/2014, 01:22

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Báo cáo lâm nghiệp: "Ecophysiological factors contributing to the distributions of several Quercus species in the intermountain west" docx

... note Ecophysiological factors contributing to the distributions of several Quercus species in the intermountain west JR Ehleringer, SL Phillips Department of Biology, University of Utah, ... examine aspects of the water relations of these three oak species native to the intermountain west and of their hybrids under common growth en...

Ngày tải lên : 08/08/2014, 18:21

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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

... 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: "Variation of hydraulic conductance of under natural conditions some adult conifers" ppsx

... of water relations in trees. We present here some evaluations of hydraulic conductance of trees growing under natural conditions. Data were col- lected from different experiments ... Oeco- logia (Berlin) 66, 475-483 Variation of hydraulic conductance of some adult conifers under natural conditions A. Granier, N. Breda, J.P. Claustres F...

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

... 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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