Báo cáo lâm nghiệp: "Age-related physiological and structural traits of chestnut coppices at the Castelli Romani Park (Italy)" pot

... moder in the unmixed spruce stand and mixed stands, mull-moder in the unmixed beech stand (according to N et al. 2001). The high accumulation of humus in H horizon in the mixed stand of ... floor occurs in the stand of larch with beech (52.6 t/ha) and the statistically lowest one in the unmixed beech stand (22.0 t/ha). e mixed s...

Ngày tải lên: 07/08/2014, 03:22

... Nor- way spruce (Picea abies [L.] Karst.) underplantings in the Hrubý Jeseník Mts. In the area concerned 19 research plots were established, representing the ridge sites of the 8 th FAZ of acid ... growth and development of Norway spruce plantings in the ridge part of the Hrubý Jeseník Mts. Keywords: Norway spruce; nutrient defi...

Ngày tải lên: 07/08/2014, 10:21

... effect of land use change on the canopy structure and the understory light of a Holm oak woodland in central Spain. The woodland studied had two dis- tinct zones, one where the original woodland structure ... mean height of individual Holm Tab le I. Mean and standard deviation (SD) of canopy height, number of stems and basal area for the 900 1-m 2 sampling point...

Ngày tải lên: 07/08/2014, 16:20

... Fe Sapwood 1 0.01 0.03 – 0.01 0.05 – – 0.20 0.07 0.02 Sapwood 2 – 0.03 – – 0.02 – – 0.18 0.07 – Sapwood 3 – 0.01 – – – – – 0.11 0.30 – Heartwood 1 < 0.01 < 0.01 – 0.01 < 0.01 – – 0.07 ... the formation of mineral inclusions is induced or increases when the main functions of the woody tissues shift from transport...

Ngày tải lên: 07/08/2014, 16:20

... 177–182 177 c  INRA, EDP Sciences, 2007 DOI: 10.1051/forest:2006102 Original article Ice nucleation and frost resistance of Pinus canariensis seedlings bearing needles in three different developmental ... in frost resistance of expanding current-year needles of the Canary Island pine and subalpine evergreen timberline conifers of continental Europe...

Ngày tải lên: 07/08/2014, 16:20

... ageing of cork oak stands, loss of cork quality [41], intense pruning [8] and increased cork oak decline (“seca”) [27]. Cork oak stands in Spain can be differentiated into open cork oak woodlands ... treatments. In this study, we have developed height and diameter growth models for dominant cork oak trees using stem analysis data from two of the m...

Ngày tải lên: 08/08/2014, 00:22

... GHG- related effects of an increased use of wood within technosphere. One important effect of an increased use of wood was neglected: the decline of the carbon storage in the forests because of an increased ... article Carbon pool and substitution effects of an increased use of wood in buildings in Switzerland: first estimates...

Ngày tải lên: 08/08/2014, 00:22

... sativa in the Castelli Romani Park, due to the favourable climatic and soil conditions for the species. Although the intensive exploi- tation of this area, the analysed coppice showed the great capac- ity ... indicator of potential productivity in response to changing factor [23, 25, 26, 42]. The analysis of the physiological traits trend underlined the impo...

Ngày tải lên: 08/08/2014, 00:22

... 10.1051/forest:2006003 Original article Nutrient status and field performance of tree seedlings planted in Mediterranean degraded areas Alejandro VALDECANTOS a,b *, Jordi CORTINA c , V. Ramón VALLEJO a a Centro ... (SL) and root collar diameter (RCD) of seedlings of Pinus halepensis and Quercus ilex 2.5 years after out- planting in eight degraded woodland...

Ngày tải lên: 08/08/2014, 00:22

... 257 Ann. For. Sci. 63 (2006) 257 266 â INRA, EDP Sciences, 2006 DOI: 10.1051/forest:2006004 Original article Light acclimation and photosynthetic response of beech (Fagus sylvatica L.) saplings under ... from zero). Means of P r and P b were 32.6% and 6.6%, for the natural regeneration, 13.5% and 2.6 % for the potted saplings in north- eastern France, an...

Ngày tải lên: 08/08/2014, 00:22

... 10.1051/forest:2003021 Original article Water relations and hydraulic characteristics of three woody species co-occurring in the same habitat Andrea NARDINI a *, Sebastiano SALLEO a , Patrizia TRIFILÒ a and Maria ... longer in hydraulic continuity with the soil [5, 12]. In view of investigating possible relationships existing between changes in hydrauli...

Ngày tải lên: 08/08/2014, 01:21

... (2003) 527537 â INRA, EDP Sciences, 2003 DOI: 10.1051/forest:2003046 Original article Shoot growth and phenology modelling of grafted Stone pine (Pinus pinea L.) in Inner Spain Sven MUTKE, Javier ... were consistent with observations in mature non -grafted stone pines. stone pine (Pinus pinea) / growth and flowering phenology / phenology mode...

Ngày tải lên: 08/08/2014, 01:21

... compared to wood biomass increment of beech trees of comparable diameter in an experimental stand (Hesse) in northeastern France [24]. Biomass increment and carbon balance of ash 579 layer to total ... 577 Ann. For. Sci. 61 (2004) 577588 â INRA, EDP Sciences, 2004 DOI: 10.1051/forest:2004053 Original article Biomass increment and carbon balance of...

Ngày tải lên: 08/08/2014, 01:22

... reported to define some anatom- ical features of pointer years. An automatic image analysis system was used to examine anatomical features in pointer years and a new method ... precipitation on ring width. Figure 7 shows the comparison between pointer years in the mean residual curve Original article Pointer years and growth in T...

Ngày tải lên: 08/08/2014, 18:21

... exchange and water relations of evergreen and deciduous tropical savanna trees G. Goldstein 1 F. Rada 2 P. Rundel’ A. Azocar 2 A. Orozco 2 1 Laboratory of Biomedical and Environmental ... (1987) Water transport efficiency in stems of evergreen and deciduous savanna trees. In: Proceedings of the International Conference on Measure- ment...

Ngày tải lên: 09/08/2014, 04:20