Báo cáo lâm nghiệp: "Status of an indigenous agro-forestry system in changing climate: A case study of the middle Himalayan region of Tehri Garhwal, India" potx
Báo cáo lâm nghiệp: "Status of an indigenous agro-forestry system in changing climate: A case study of the middle Himalayan region of Tehri Garhwal, India" potx
... agro-forestry system in changing climate: A case study of the middle Himalayan region of Tehri Garhwal, IndiaC. P. KEcosystem and Environment Management, Indian Institute of Forest Management, ... climate change; conservation and management; Tehri Garhwal e majority of indigenous hill agricultural sys-tems in the Garhwal Himalayan region of India is operated in the rainfed areas and therefore ... hill farmers have maintained close linkages and balances between agriculture, forestry and animal husbandry, and based on these linkages the land use patterns are determined in the Garhwal hills...
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Báo cáo lâm nghiệp: "Designing decision support tools for Mediterranean forest ecosystems management: a case study in Portugal" pptx
... ecosystemmanagement decision support system (EMDSS), as it allows the automated generation of all management options availableto the decision maker. Other modules of the system include a management information ... others may requireindividual tree information and specific ecological data. Third, an additional capability for linking financial and economic data, i.e. unitcosts and prices, to cultural treatments ... age or cutting cyclebased on the interpretation of data from the land units. This interfaceis key for interactive definition of adequate cultural treatments in eachland unit in a Mediterranean...
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Báo cáo lâm nghiệp: "Effect of contrasting water supply on the diameter growth of Norway spruce and aspen in mixed stands: a case study from the southern Russian taiga" pot
... Stand seasonal growth pattern in 2000Seasonal increment of basal area in spruce represented over80% of the entire stand basal area increment (as indicated byscaling the data up to the stand ... Tatarinov et al.break, etc.) especially on the loamy soils [17, 18]. Since manyforest stands in the region are practically unmanaged (in par-ticular, in the case of clear-cut stands are often ... tremula L.), birch (Betula alba L.), alder (Alnusincana (L.) Moench) and mountain ash (Sorbus aucuparia L.) was measured in an unmanaged mixed uneven-aged tree stand in the southerntaiga of European...
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Báo cáo lâm nghiệp: "Response to an ozone gradient of growth and enzymes implicated in tolerance to oxidative stress in Acer saccharum (Marsh.) seedlings" pot
... and “Minis-tère français des A aires étrangères” (coopération France-Québec)n˚ PVP 10-1 and in part by a grant from the Natural Sciences andEngineering Research Council of Canada, and by the ... acidcycle and the shikimate pathway. The allocation of PEP to the tricarboxylic acid cycle may have increased with increasingO3whereas its allocation to the shikimate pathway may havedecreased. The ... regression analyses using O3as an independent variable and“diffHL−LL” as a dependent variable for each measured parameters.These analyses showed that the responses of these variables to the ozone...
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Báo cáo lâm nghiệp: "Stand biometry and leaf area distribution in an old olive grove at Andria, southern Italy" pptx
... 1 0A) . A similar radial pattern of leaf distribution was also ap-parent from the foliage water holding capacity data, obtainedwhen the rainfall was large enough to saturate the olive canopy (in ... Variation in individual leaves and branchesIndividual leaves showed the usual size distribution. Leavestypically grow first in length and only after reaching an area of about half of their maximum ... sapflow was measured).4.3. Geometrical model and image analysisSpatial and vertical leaf area index in deciduous trees havebeen analyzed many times previously using plan canopy ana-lyzers...
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Báo cáo lâm nghiệp: "Radial-growth and wood anatomical changes in Abies alba infected by Melampsorella caryophyllacearum: a dendroecological assessment of fungal damage" ppt
... between radial growth of asymptomatic and symptomatic trees.294 A. Solla et al.swelling. It has been reported that the disappearance of A. albafrom Alpine stands in Italy may be partially caused ... swellings and brooms (± SD) caused by Melampsorella caryophyllacearum onAbies alba trees located in Irati forest (Navarra, Spain) according to their competitive status (subdominant, codominant, and ... Germany).Tree-ring cross dating was checked using COFECHA software [19]. The individual series showed a decreasing trend relative to size andage, and they were averaged according to asymptomatic...
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Báo cáo lâm nghiệp:"Growth, damage and net nitrogen uptake in Picea abies (L.) Karst. seedlings, effects of site preparation and fertilisation" pptx
... elemental analyser (Carlo Erba Strumentazione,Milan, Italy). The biomass of the seedlings remaining in the plot wascalculated based on data from the harvested seedlings, using a set of regression ... vegetation-free area was small. Since fertilisingincreased the amount of field vegetation this was probably the cause of increased damage and mortality by vole. Anotherpossible explanation is that voles ... leaching.2. MATERIALS AND METHODS The experiment was carried out on abandoned farmland that hadlain fallow for eight years. It was situated about 15 km east of Falken-berg in the southwest of...
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Báo cáo lâm nghiệp: "Fertilization at planting impairs root system development and drought avoidance of Douglas-fir (Pseudotsuga menziesii) seedlings" pot
... following planting [50]. Fertilization at plantingoffers a potential means to reduce transplant shock and accel-erate initial plantation growth [2, 14]. Interest in using control-led-release ... 28 and 29 September 2000. Data pointsare means, and error bars are SEs. At each sampling point, * P < 0.05and ** P < 0.01.Figure 3. Initial seedling root volume at time of planting (January2000) ... Fertilizer may be applied to the plantinghole, to an adjacent hole, or surface broadcast [8]. To facilitatenutrient uptake, many researchers have recommended applyingCRF directly in the planting hole,...
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Báo cáo lâm nghiệp: "Hybridization techniques and frost tolerance studies in intraspecific hybrids of Eucalyptus globulus Labil" pdf
... rate of germination andseedling survival, and the self-pollinatedlot was clearly the worst. This trend wasalso found in subsequent growth in the field.Frost toleranceThese ... that hardeninghad no effect on frost resistance in the crosses used (Table II). Cold treatmentreduced the increase in height after 4 wk in all families by causing damage ... anthesis, when a stigmaticexudate is visible as a drop of fluid. The cross-pollinated seed lot was clear-ly the best for the variables: seed produc-tion/capsule, rate...
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Báo cáo lâm nghiệp: "Sulphur and nitrogen concentrations and fluxes in bulk precipitation and throughfall in the mountain and highland spruce stands in the Czech Republic" docx
... e an- nual input of inorganic nitrogen into the soil was also higher at Bílý Kříž with the average annual val-ue of 15.9 kg·ha–1. In Rájec the average annual value was about 11.9kg·ha–1. ... open area. Samples were taken once a month in the winter season and in 14-day inter-vals in other seasons. e samples were transferred to the laboratory and prepared for the analyses usually ... experimental sites with young spruce stands in the Czech Republic, one situated in Moravian-Silesian Beskids at an altitude of 908 m and the second one in Drahanská Upland at an altitude of 632...
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