Báo cáo lâm nghiệp: "Composition, distribution and supposed origin of mineral inclusions in sessile oak wood – consequences for microdensitometrical analysis" ppsx

... 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

... * –0 .01 –0 .35*** 0.07 –0 .3*** –0 .2* 0.40*** 0.01 –0 .08 –0 .16*** –0 .17*** –0 .01 –0 .12* 0.16*** –0 .04 –0 .03 –0 .37*** 0.14 –0 .29*** –0 .18* 0.19 0.05 –0 .09 –0 .13*** 0.10** –0 .14*** –0 .09* –0 .05 0.02 –0 .05 Basal ... effect of land use change on the canopy structure and the understory light of a Holm oak woodland...

Ngày tải lên: 07/08/2014, 16:20

... and ecological stability of mixed forest stands in uplands – VI. A beech/larch stand on a mesotrophic site of the Křtiny Training Forest Enterprise V. H, P. K Faculty of Forestry and ... stability of mixed forest stands in uplands – V. A mixed spruce/beech stand on a nutrient-rich site of the Křtiny Training Forest Enterprise. Journal of Forest Scienc...

Ngày tải lên: 07/08/2014, 03:22

... 13.6/4.8 – – Larch – – 19.5/5.6 – Beech – 5.5/3.6 6.7/3.6 12.6/5.1 h (m) Spruce – 12.3 – – Larch – – 14.9 – Beech – 8.5 9.3 15.5 G (m 2 /ha) – 19.9 23.7 34.0 Spruce – 18.2 – – Larch – – 21.7 – Beech ... Ah Fig. 2. Distribution of pH H 2 O in layers of forest floor and organomineral horizon in different experiment...

Ngày tải lên: 07/08/2014, 03:22

... 0.19 –0 .33 K 0.41 1.00 –0 .13 –0 .06 0.33 –0 .04 0.04 –0 .18 Mg 0.28 –0 .13 1.00 –0 .22 0.46 –0 .28 –0 .49 –0 .26 Ca –0 .55 –0 .06 –0 .22 1.00 –0 .54 0.27 –0 .23 0.49 N 0.78 0.33 0.46 –0 .54 1.00 –0 .32 0.04 –0 .50 S ... 0.76 –0 .40 C:N 0.40 –0 .06 1.00 –0 .04 –0 .01 –0 .16 –0 .04 –0 .09 P 0.21 0.27 –0 .04 1.00 –...

Ngày tải lên: 07/08/2014, 10:21

... 73 7–7 46. Ann. For. Sci. 64 (2007) 17 7–1 82 177 c  INRA, EDP Sciences, 2007 DOI: 10.1051/forest:2006102 Original article Ice nucleation and frost resistance of Pinus canariensis seedlings bearing ... Between the formation of shoot and needle primordia in summer there is a considerable time-lapse before sprouting in the following spring. During winter the pri- mordia are pr...

Ngày tải lên: 07/08/2014, 16:20

... 0.666 Nsp – number of species, N – number of specimens, H S – Shannon-Wiener index of diversity, E S – equatibility, H B – Brillouin index of diversity, E B – equatibility Indexes of diversity for ... by an individual collecting of adults. During sweeping and beating, 30 sweepings or beatings were carried out in each locality. Caught psocids w...

Ngày tải lên: 07/08/2014, 03:22

... area index (PAI, including leaf and skeleton indexes) by conventional gap fraction analy- sis of hemispherical photography and reported values of 34 and 63% of that determined destructively in ... area indicates the importance of this parameter for more detailed interpreta- tion of remote sensing data and also for studies of interception or soil water supply from pre...

Ngày tải lên: 07/08/2014, 16:21

... the majority of sites having high intensity of tree infes- tation mainly along the main valley in the region. Lower elevations occurring in the southern part of region were often infested by ... H 2 1 Faculty of Forestry and Wood Sciences, Czech University of Life Sciences Prague, Prague, Czech Republic 2 Department of Ecology and Biodiversity of Forest Ecosyst...

Ngày tải lên: 07/08/2014, 03:22

... 64.0 8.9 17.4 7.1 28.6 10.5 – 33.3 Inocellidae Inocellia crassicornis (Schummel, 1832) – – – – – – – 7.1 – – – – Number of species 3 1 3 1 3 3 2 4 3 2 1 2 Number of individuals 16 12 19 2 75 ... a.s.l.) in very young spruce forests (1 0–2 0- year-old). All Malaise traps were installed in small forest clearings, minimally 30 m inwards the fore...

Ngày tải lên: 07/08/2014, 03:22