Báo cáo lâm nghiệp: "Above- and belowground distribution of dry matter and carbon biomass of Atlantic beech (Fagus sylvatica L ) in a time sequence" doc

... article Above- and belowground distribution of dry matter and carbon biomass of Atlantic beech (Fagus sylvatica L. ) in a time sequence Sandrine HUET a , Françoise FORGEARD a , Claude NYS b * a ... work, we have managed to achieve the original objectives. The work has provided a detailed database, of total and sub-divided dry matter an...

Ngày tải lên: 08/08/2014, 01:22

... Czech Republic 3 Department of Mathematical Analysis and Statistical Inference, The Institute of Statistical Mathematics, Tachikawa, Tokyo, Japan ABSTRACT: We propose a spatial aggregation method ... P .L. , J M.S. (199 0): An operational spatially constrained harvest scheduling model. Canadian Journal of Forest Research, 20: 1438–1447. F T. (200 1): Ecological...

Ngày tải lên: 07/08/2014, 10:21

... (a) mix Beech Admixture of beech as the basal area of beech/ total basal area of the stand ( %) RDI oak +beech Relative density index ( ) ∆g Periodic annual basal area increment at breast height (1.30 m) (cm 2 × a −1 ) ∆DBH ... selection thinnings, but on stand-related thinning regimes. This partly explains the linear relation of ∆g and DBH per treatment. The DBH-...

Ngày tải lên: 07/08/2014, 16:20

... diameters (RLum and TLum respectively) as well as the ra- tio TLum / RLum (TRLum). C. Radial and tangential cell-wall thickness (RWall and TWall respectively) as well as the ratio TWall / RWall ... al. Figure 1. Tracheid characteristic profiles. A. Radial and tangential cell diameters (RCell and TCell respectively) as well as the ratio TCell / RCell (TRCell). B. Ra- dial and tange...

Ngày tải lên: 07/08/2014, 16:20

... 946 A. B. Guarnaschelli et al. Figure 3. Total biomass (A) and shoot/root biomass ratio (B) in seedlings of E. globulus subsp. bi costata after trans- planting period. Vertical bars represent standard ... Stems, leaves and roots were oven dried at 70 ◦ C for 72 h and weighed. Specific leaf area (SLA) was calculated as the ratio between leaf area and leaf dry mass. Dry mass...

Ngày tải lên: 07/08/2014, 16:20

... (1880–200 4). cross-correlations of STD and local climate factors are also significant (Tab. IIIB). 3.2. Relations between local climate and large scale climatic and environmental factors The local climate ... tabulaeformis Carr .) poussant dans la ville de Shenyang, a n d’analyser les effets de l activité solaire, de l anomalie globale de surface de la température de l air (G...

Ngày tải lên: 07/08/2014, 16:21

... million trees with a royalty value of A$ 10–12 millions were killed in a single area in southern Australia [16]. It is now established in the majority of Pinus plantations (mainly P. radiata) in ... Ryan P.J., Smith J.E.N., Suitability and availability of land for expansion of plantations, in: Dargavel J., Semple N. (Eds .), Prospects for Australian forest plantatio...

Ngày tải lên: 08/08/2014, 00:22

... interannual variation of temperature and rainfall of the Mediterranean climate is moderated by the Atlantic influence. Soils are mostly calcarous cambisols involving luvisols in humid sites. While in boreal ... overstory and the remaining vegetative community is dominated by a mixture of Quercus faginea Lamk, Fagus sylvatica L. , Quercus ilex L. , Calluna vulgaris (L....

Ngày tải lên: 08/08/2014, 01:21

... ponderosa pine (Pinus ponderosa Dougl. ex Laws .) seedlings and predawn leaf water potential [46]. Similarly, leaf water potential of shortleaf pine (Pinus echinata Mill .) increased exponentially with ... points are means, and error bars are SEs. At each sampling point, * P < 0.05 and ** P < 0.01. Figure 3. Initial seedling root volume at time of planting (January 200...

Ngày tải lên: 08/08/2014, 01:22

... simulated. Variables Table 1. Description of stands and sample plots Forest inventory Research plot Locality stand age density ( %) habitat type Loc_N Loc_E elevation (m) area (ha) slope/ aspect Kremesnik 4 2a1 0 ... Kremesnik and Telc ar- eas are in the Bohemian-Moravian Uplands (CZ) and the Ansprung area is in the central Saxon part of the Ore Mts. (D) (Table 1). Altoge...

Ngày tải lên: 07/08/2014, 10:21