Báo cáo lâm nghiệp: "doubling atmospheric CO concentration on 2 matter distribution and CO exchange of 2 yr growth, dry 2 old sweet chestnut trees (Castanea sativa Mill )" pptx
Báo cáo lâm nghiệp: "doubling atmospheric CO concentration on 2 matter distribution and CO exchange of 2 yr growth, dry 2 old sweet chestnut trees (Castanea sativa Mill.)" pptx
... after a 2 wk adaptation period as the slope of C0 2 concentration over time in the whole chamber (Gaudillere and Mousseau, 1989). During the two 1 st 2 wk, the C0 2 concentration ... where environmental conditions were controlled (22 /15°C day-night, 15 h photoperiod, 50% RH). Whole plant photo- synthesis at 25 0 jlmol-m- 2 s- 1 PPFD...
Ngày tải lên: 09/08/2014, 04:20
Báo cáo lâm nghiệp: "Ground based operation effects on soil disturbance by steel tracked skidder in a steep slope of forest" ppt
... Soil water content at the time of skidding on the slope < 20 % (SC1) and on the slope > 20 % (SC2) was 31% and 28 %, respec- tively. e harvested trees were 80–130 years old and the average ... effects of slope and traffic intensity on soil compaction, rutting and forest floor removal was evaluated on a skid trail in the natural forest of north of Iran. C...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Short Communication Differences in the structure, species composition and diversity of primary and harvested forests on Changbai Mountain, Northeast China" ppsx
... (6): 28 5 29 3 28 5 JOURNAL OF FOREST SCIENCE, 56, 20 10 (6): 28 5 29 3 e broadleaf-conifer mixed forest occurs in the cooler region of the eastern Eurasian continent, extending across the coastal ... 450 2 127 2 2 0 2 4 131 Table 2. Tree density (trees ha –1 ) by size classes for all species in primary forest (PF) and in logged forest (LF) 29 0 J. FOR. SCI., 56, 20 10 (...
Ngày tải lên: 07/08/2014, 03:22
Báo cáo lâm nghiệp: "Environmental risk assessment based on semi-quantitative analysis of forest management data" pptx
... region Orava region e Low Tatras region Observed predicted observed predicted observed predicted 1 0 correct (%) 1 0 correct (%) 1 0 correct (%) 1 47 23 67.1 1 58 22 72. 5 1 1 52 2 52 37.6 0 14 21 3 ... importance of destructive damage. DISCUSSION e developed regression models can be considered as standalone complex models of environmental risk prediction allowing the “chance...
Ngày tải lên: 07/08/2014, 10:21
Báo cáo lâm nghiệp: "Leaf eating insect damage on different poplar clones and sites" ppt
... 0.039 0 .26 6 S681/84 DN 0 .21 7 0 .24 6 0.969 0.406 0 .20 5 0.006 0. 020 0.048 0 .26 5 Hees DN 0. 324 0 .25 7 0.540 0.5 32 0.169 0.030 0.030 0.013 0 .23 7 Hazendans TD 0.094 0.1 42 0.184 0. 329 0 .22 1 0. 126 0. 125 0.074 ... DN×TD M1 16.78 20 Lena Italy D? 20 .07 21 71009/1 Belgium DT M4 22 .19 22 Hees Netherlands DN P2 10.74 23 Soligo Italy DN M1 17.96 24 Trebbia Italy DN 15.04 2...
Ngày tải lên: 07/08/2014, 16:20
Báo cáo lâm nghiệp: "Classifying xylophone bar materials by perceptual, signal processing and wood anatomy analysis" pdf
... Salomon Islands 713 27 588 Glycydendron amazonicum Ducke French Guiana 627 28 071 Cunonia austrocaledonica Brong. & Gris. New Caledonia 621 28 0 82 Nothofagus aequilateralis Steen. New Caledonia ... New Caledonia 789 28 1 02 Gyrocarpus americanus Jacq. New Caledonia 20 6 28 103 Pyriluma sphaerocarpum Aubrev. New Caledonia 793 28 163 Cedrela odorata L. Guadeloupe 5 12 29468 Moron...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: "Beech (Fagus sylvatica L.) – Technological properties, adhesion behaviour and colour stability with and without coatings of the red heartwood" ppsx
... beech [ 12] . The colour of wood is an important factor for end user to consider and the price of wood is often dependent on its colour parameter [23 ]. Causes and conse- quences of discolouration are ... (20 03) 22 1 22 6. [16] Bauch J., Discolouration in the wood of living and cut trees, IAWA 5 (1984) 92 98. [17] Brändli U.B., Heller-Kellenberger I., Schweizerisches Landes...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp:"Wind-firmness in Pinus pinaster Aït. stands in Southwest France: influence of stand density, fertilisation and breeding in two experimental stands damaged during the 1999 storm" pdf
... 1.48 0.04 1.33 0.03 1. 42 0.04 1.36 0.05 1.38 0. 02 1 .26 0.05 1. 32 0.04 abaababbcabcbc H g (m) 22 .87 0 .28 23 .86 0.14 23 .33 0 .21 24 . 65 0.18 23 . 12 0. 12 24.43 0. 10 23 .67 0 .20 24 .38 0.14 e b cd a ... 23 .54 0 .16 24 .39 0.19 24 .28 0.15 25 . 28 0.15 24 .09 0.18 25 .24 0. 08 24 . 72 0.16 25 .34 0.10 dcc a c aba Variability of H o (m) 0.56 0.11 0.53 0. 12...
Ngày tải lên: 08/08/2014, 01:21
Báo cáo lâm nghiệp:"Inter-regional variability in site index models for even-aged stands of stone pine (Pinus pinea L.) in Spain" potx
... Andalusia 29 60 .2 24.1 20 –96 13.45 5.14 3.8 22 .2 Northern Plateau 29 65 .2 38 .2 20– 126 10 .25 5. 62 3.5 21 .2 Central Range 27 106.8 43 .2 50 21 4 12. 70 4.73 4.5–19.8 Catalonia 11 1 12. 6 15.0 92 137 15.31 ... 0.001 1 D 92. 68 –0.0004 1 E 92. 22 0.001 1 F 92. 03 0.003 1 G 92. 80 0.001 1 H 92. 23 0.00 02 1 I 92. 81 0.004 1 J 92. 92 0.0 02 1 K 93.11 –0.004 2 L 93.06 –0.00...
Ngày tải lên: 08/08/2014, 01:21
Báo cáo lâm nghiệp: "Argan (Argania spinosa (L.) Skeels) seed germination under nursery conditions: Effect of cold storage, gibberellic acid and mother-tree genotype" docx
... deterioration but none of its interaction was significant (Tab. I). Therefore, cold storage and GA treat- ment are indifferent to genotype. 4. DISCUSSION AND CONCLUSION 4.1. Cold storage and gibberellic ... 7.7 No 31.5 27 .0 31.0 31.0 30.1 a RS Yes 27 .5 a 24 .5 a 24 .0 a 17.0 b 23 .3 b Mean 29 .5 25 .8 27 .5 24 .0 26 .7 No 25 .0 a 4.0 b 1.5 b 3.0 b 8.4 a DS Yes 2. 0 0.0...
Ngày tải lên: 08/08/2014, 01:22