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Báo cáo lâm nghiệp: "Forest yield index and its applicability to the assessment of future forest yields" docx

Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Forest yield index and its applicability to the assessment of future forest yields" docx

... role in projecting future multi-functional forests is to harmonize the requirements for the Forest yield index and its applicability to the assessment of future forest yieldsL. K1,2, ... Examples of relative yield assessment in assumed conditions of even-aged, fully stocked forest stands, for the main types of target forests and most frequent MGFTs in the model territory of Kysuce, ... with other forest functions. In order to optimize this process, an inevitable prerequisite is to quantify the wood-production function of future forests. In contrast to the majority of the other...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Air pollution load and stand nutrition in the Forest District Jablunkov, part Nýdek" docx

... After the pollutant concentrations in the air decreased, the main factor affecting the forest stands is the state of forest soils which shows the insufficiency of the main nutrients available, and ... performed soil analyses. In the humus layer of the two stands, the amounts of Ca were comparable, however, the total amount of this element was higher in the spruce stand due to a thicker humus layer. ... from 11 forest stands within the area of interest.e nutrient content in the soil was determined in the upper humus layer (FH) and in the mineral soil (B) to a depth of 30 cm. A part of the samples...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Differential photosynthetic and survival responses to soil drought in two evergreen Nothofagus species" docx

... stress.Acknowledgements: We thank the staff of the Instituto de Botánica of the Universidad Austral de Chile for their logistic support and maintenance of the experiment, E. Gianoli for use of his IRGA and The Nature ... 684−695.[19] Read J., Hill R.S., Photosynthetic responses to light of Australian and Chilean species of Nothofagus and their relevance to the rain forest dynamics, New Phytol. 101 (1985) 731−743.[20] ... The value for one pot was the average of threemeasurements made over a depth of 18 cm (the length of the guides of the TDR’ probes). Values of VWC (water vol/soil vol × 100) wereconverted to...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Variations in seed and seedling responses to water stress in three provenances of Eucalyptus camaldulensis Dehnh" pptx

... in the production of hairs on the collar of ger-minating seedlings (Fig. 1 which bind the IIIseedling firmly to the soil and assist earlywater uptake. Shoot growth of ... matter into leaves at the expense of roots, whereas the reversesituation prevailed in seedlings from the other 2 provenances. The proportion of dry matter distributed to stems ... initialestablishment and early growth of seed-lings from 3 provenances of E. camaldu-lensis were examined.Materials and Methods The 3 provenances of E. camaldulensis (Kathe-rine and Petford...
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báo cáo hóa học:" Daily physical activity and its contribution to the health-related quality of life of ambulatory individuals with chronic stroke" pot

... determine the contribution of dailyPA to the HRQL of individuals with chronic stroke liv-ing in the community and 2) to assess the relationshipbetween the functional ability (motor impairments of lower ... extremity, balance and walking distance) of theseindividuals to the amount of daily PA they undertake.This will enhance our understanding and identify the level of functional ability of individuals ... since the median score s the mean Physical and Mental Composite scores of the SF-36 of our community-dwelling sample withmild motor impairment were lower than the norms. The scores of the SF-36...
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Báo cáo lâm nghiệp: "Sustainable cutting cycle and yields in a lowland mixed dipterocarp forest of Borneo" docx

... share of the speciesgroup in the basal area of all stand. Each value is the average over the 11 to 14 subplots of the group of damage of the mean proportion overa complete cutting cycle in the stationary ... by: Y(t) = 1’Y(t) and B(t) = Y(t) where 1 is the vector of length 22 whose all elements equal unity, and is the vector of the average basal areas of each diameter class and species group.2.3.3. ... review of natural regeneration in the dipterocarpforests of Sabah, Malay. For. 28 (1965) 4–18. [32] Nicholson D.I., The effects of logging and treatment on the mixeddipterocarp forests of Southeast...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Litterfall, nutrient return, and leaf-litter decomposition in four plantations compared with a natural forest in subtropical China" ppt

... multi-peak. The highest annual Ca and Mg returns were noticed in the FH and in the CK, respectively. The amounts of N, P, and K which potentially returned to the soil were the highest in the NF. The ... range of subtropical broadleaved forests, exceptthat of K in the CK [9, 23, 44, 52]. Compared with the CK, the OX had much lower return of K and Mg. The CF had potentialinput of N and P close to ... in the CF and the two other Chinese fir plantations in Tianlin and Huitong, whilethose of P seems very similar [21, 39]. The CF and FH poten-tially returned much more Ca, and less N and P, to...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Picea glauca dynamics and spatial pattern of seedlings regeneration along a chronosequence in the mixedwood section of the boreal forest" potx

... section of the boreal forest. Further, we quantitatively characterize the spatial pattern of seedlings and the importance of seedbed con-ditions to the success of recruitment and survival of whitespruce ... L.) and dewberry (Rubus pubescens Raf.) [4, 37]With the use of forest inventory and topographic maps, 35 standswere selected in and around the Prince Albert Model Forest (PAMF),a member of the ... forest [10] and the southern Canadian boreal forest of Quebec [6]. As stands aged, and in the absence of major disturbances, P. glauca tree density commenced to decline and snag density to increase...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: "Modelling canopy conductance and stand transpiration of an oak forest from sap flow measurements " docx

... properties of the canopy, and the latter is considered as the sum of the stomatal conductance of all the leaves, according to the ’big-leaf’ hypoth-esis. When stand transpiration ... évapotranspirationINTRODUCTIONTranspiration of a forest depends on inter-actions between a number of variables,some being the physical characteristics of the environment and some the biologicalbehaviour of the ... the ratio ga/gc varied from 30 to 200. The oak canopy appeared therefore well cou-pled to the atmosphere. The degree of decoupling with the atmo-sphere (Jarvis and...
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Báo cáo lâm nghiệp:

Báo cáo lâm nghiệp: " Root system development and health condition of sycamore maple (Acer pseudoplatanus L.) in the air-polluted region of Krušné hory Mts" ppt

... maple is one of the noble broadleaved species. Its representation in the existing species composition of forest stands being rather low, the study of the species and mainly of its root system ... corroborate the statements of the authors according to whom the sycamore maple mainly roots into a depth during the initial stages and the development of other root branches starts only after the ... roots and total rooting depth; length of horizontal skeleton roots; incidence of malformation. e measured values were used to calculate the index of surfaces (Index p, Ip in the tables of results)....
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