Báo cáo lâm nghiệp: "Plasticity in growth, biomass allocatio

Báo cáo lâm nghiệp: "Plasticity in growth, biomass allocation and root morphology in beech seedlings as induced by irradiance and herbaceous competition" pptx

... on shoot and root development of Fagus, unlike herbaceous fine- root biomass (Tab. III). Since pine fine -root biomass accounted for the vast majority of stand root biomass, the total fine -root biomass ... (SHB); root biomass (ROB), relative stem diameter increment (SDI), relative irradiance (RIR), total herbaceous root biomass (RHT), total Scots pine root...

Ngày tải lên : 08/08/2014, 00:21

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Báo cáo lâm nghiệp: " Pinus pumila growth at different altitudes in the Svyatoi Nos Peninsula (Russia)" pps

... a significant increase of MLI in the last decade, particularly in P. pumila growing at the high site. It could be caused by an increase in temperatures during the growing season as it is docu- Table ... affected by strong winds that can bring humidity, cool air and increasing evaporation (K 2004). e globose shape of the crown at medium and low site was classifie...

Ngày tải lên : 07/08/2014, 10:21

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Báo cáo lâm nghiệp: "Uncertainty estimation of biomass expansion factors for Norway spruce in the Czech Republic" pot

... in error of the biomass and volume models (Fig. 5). Examining the sensitivity in uncertainty of the BEF by ignoring the uncertainty in stand age increased the error in young and old age-classes. ... The measurement error of tree height was slightly dependent on tree height and therefore was quan- tiﬁed by the height classes (Tab. II). The uncertainty in stand age was i...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Estimation of the biomass stock of trees in Sweden: comparison of biomass equations and age-dependent biomass expansion factors" ppsx

... biomass were obtained for spruce in the Svealand and Götaland regions. In Svealand, the use of BEFs for Norway spruce in young stands resulted in lower, and in mature stands, higher biomass estimates ... were further classified into pine-, spruce- or birch-dominated and mixed for- ests. A stand dominated by a species is defined as one in which pine, spruce or birch c...

Ngày tải lên : 08/08/2014, 00:22

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Báo cáo lâm nghiệp: "Growing stock-based assessment of the carbon stock in the Belgian forest biomass" ppsx

... differences in mean carbon stocks when starting from the same basic information, being total standing solid wood volume. And even this last concept should be handled with some caution, as the definition ... targets by increasing biological carbon (C) sequestration in terrestrial ecosystems, as indicated in Art. 3.3 (Afforestation, Reforestation and Defor- estation) and Art....

Ngày tải lên : 08/08/2014, 00:22

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Báo cáo lâm nghiệp:"Individual-tree growth and mortality models for Scots pine (Pinus sylvestris L.) in north-east Spain" docx

... the self-thinning limit (figure 3). The influence of site quality on the intercept of the self-thinning line was examined by adding the site index to the model as an independent variable. The following ... stands in north-east Spain based on permanent sample plots measured an average of 5 times and ranging in site index from 14 to 26 m at 100 years. In fitting the models, both mea...

Ngày tải lên : 08/08/2014, 01:21

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Báo cáo lâm nghiệp: ": Climate-tree-growth relationships of Quercus petraea Mill. stand in the Forest of Bercé (“Futaie des Clos”, Sarthe, France)" docx

... years can be interpreted as a response to the increase of harvesting intensity. The influence of climate was evaluated by comparing earlywood, latewood and total ring indices with monthly climatic ... the beech stems (Fig. 2). Figure 2. Number of oak and beech trees in 1888 (first available inventory) and 2001 (last inventory) in the “Futaie des Clos” according to the diame...

Ngày tải lên : 08/08/2014, 01:21

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Báo cáo lâm nghiệp: "Using past growth to improve individual-tree diameter growth models for uneven-aged mixtures of Pinus sylvestris L. and Pinus nigra Arn. in Catalonia, north-east Spain" doc

... measured and predicted tree and stand development. The predicted 10-year change in tree and stand basal area of the living pines (i.e., pines that were not thinned and did not die) in the inventory ... from stand inventories in the region. As the growth index for every plot was calculated by averaging the past growth ratios (measured past growth divided by predicted past g...

Ngày tải lên : 08/08/2014, 01:21

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Báo cáo lâm nghiệp: "Effect of soil temperature upon the root growth and mycorrhizal formation of white spruce (Picea glauca (Moench) Voss) seedlings grown in controlled environments" doc

... (mainly E-strain and MRA) container nursery stock, and 5) nothing (con- trol). After inoculation, the seedlings were grown at 3 root zone temperatures: 5-8, 15-17 7 and ... Vancouver, Canada Introduction The effects of root zone temperature and mycorrhizal formation on the shoot and root morphology of white spruce seedlings were examined...

Ngày tải lên : 09/08/2014, 04:20

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Báo cáo lâm nghiệp: "Spatio-temporal patterns of the Norway spruce decline in the Beskid Śląski and Żywiecki (Western Carpathians) in southern Poland" pot

... than in 2004, but including also lying, infested trees), but also – in the volume of infested standing trees, which was lower than in 2004. e real increase in the tree mortality caused by bark ... occurrence in mountain conditions. MATERIAL AND METHODS e assessment of the intensity and dynamics of the dying of stands was carried out on the basis of the data collected...

Ngày tải lên : 07/08/2014, 03:22

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