Báo cáo lâm nghiệp: "Variations of construction cost associated to leaf area renewal in saplings of two co-occurring temperate tree species (Acer platanoides L and Fraxinus excelsior L ) along a light gradient" doc
Báo cáo lâm nghiệp: "Variations of construction cost associated to leaf area renewal in saplings of two co-occurring temperate tree species (Acer platanoides L. and Fraxinus excelsior L.) along a light gradient" doc
... 10.1051/forest:2005047 Original article Variations of construction cost associated to leaf area renewal in saplings of two co-occurring temperate tree species (Acer platanoides L. and Fraxinus excelsior L. ) along a light ... cost, CC) and morphological traits (biomass partitioning and leaf mass per unit area, LMA) to the cost...
Ngày tải lên: 08/08/2014, 00:22
Báo cáo lâm nghiệp: "Variations in growth and virulence of Leptographium wingfieldii Morelet, a fungus associated with the bark beetle Tomicus piniperda L" pot
... robur L. and Q. petraea [Mattuschka] Liebl .), birch (Betula pendula Roth and B. alba L. ) and hornbeam (Carpinus betulus L. ) but pines, essentially Scots pine (Pinus sylvestris L. ), have been planted ... tree and allowing the success of attacks, the fungi can also contribute to kill the tree by invading and occluding the sapwood [14, 24]. Artificial mass...
Ngày tải lên: 08/08/2014, 01:22
Báo cáo lâm nghiệp: "Variations in seed and seedling responses to water stress in three provenances of Eucalyptus camaldulensis Dehnh" pptx
... Canberra, A UE :tralia Introduction Previous work (Bachelard, 1985, 198 6a, b; Gibson and Bachelard, 1987; Yang et al., 198 8) has shown that seeds and seed- lings of eucalypt ... seed and seedling responses to water stress in three provenances of Eucalyptus camaldulen- sis Dehnh. A. Gibson E.P. Bachelard Department of Forestry, Australian...
Ngày tải lên: 09/08/2014, 04:20
Báo cáo lâm nghiệp:"The relationship between vegetation management and the wood and pulping properties of a Eucalyptus hybrid clone" pdf
... classified as sub-tropical, with a mean annual rainfall and temperature of 1144 mm and 22 °C respectively. The trial was located at an elevation of 45 m on an east facing slope. Soil parent material is ... secondary constituents of plants which include ellagic acid, gallica acid, allagatinnins, gallotannins, flavonoids and their polymers [10]. An increase in the presence of...
Ngày tải lên: 08/08/2014, 01:21
Báo cáo lâm nghiệp: "Relationships between stem size and branch basal diameter variability in Norway spruce (Picea abies (L.) Karsten) from two regions of France" doc
... by Ln(Dbg), where Ln is the natural logarithm. Lorraine trees were split into a calibration and a validation sub- sample by randomly allocating nine trees by stands to the calibration subsample. ... 2. 2). Validation sample : Residuals from the applica- tions of equation (2. 2) to validation trees. All residuals statistics are expressed in log units. Stand Calibration sampl...
Ngày tải lên: 08/08/2014, 01:22
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
... Bani-Aameur F., Limitations actuelles de la production et de la transplantation des plants d’arganier, in: Bani-Aameur F. (Ed .), Colloque International sur les Ressources Végétales : L arga- nier ... at 4 °C for at least one month significantly led to a two- fold increase of germination attaining approximately 60% and a better control of dormancy. Indeed, average germination...
Ngày tải lên: 08/08/2014, 01:22
Báo cáo lâm nghiệp: "Physiological, morphological and growth responses to rhizosphere hypoxia by seedlings of North American bottomland oaks" potx
... Kikuzawa K (199 4) Effects of flooding on leaf dynamics and other seedling responses in flood-tolerant Alnus japonica and flood-intolerant Betula platyphylla var japonica. Tree ... maintained proportionately more leaf biomass than Q laurifolia and Q lyrata (table II). But Q lyrata and Q laurifolia main- tained proportionately more stem...
Ngày tải lên: 08/08/2014, 18:21
Báo cáo lâm nghiệp: "Variations clonales de l’aptitude du pin sylvestre à assurer le développement de Diprion pini L (Hym, Diprionidae) en milieu naturel" pdf
... isabellae Graells (Lep, Attacidae). J Appl Entomol 117, 248-256 Géri C, Goussard F (198 8) Incidence de la photophase et de la température sur la diapause de Diprion pini L ... évidence avec la processionnaire du pin Thaumeto- poea pityocampa Schiff (Lep Thaumeto- poeïdae) et l espèce protégée Graellsia isa- bellae Graells (Lep Attacidae), expérim...
Ngày tải lên: 08/08/2014, 18:22
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
... Conclusion Tree species may react differently to ele- vated levels of atmospheric C0 2. In chest- nut trees, CO:2 fertilization was accompa- nied by a decrease in leaf area ... develop- ment and gas exchange of young poplars (Populus euramericana cv. 1 21 4). Oecol. Plant. 10, 95-10.’i leaf thickness. In the C0 2 -enriched chest- nu...
Ngày tải lên: 09/08/2014, 04:20
Báo cáo lâm nghiệp: " Stand growth model using volume increment/basal area ratios" pot
... 197 6). In order to avoid the stand density effect, the ratio between stand total over bark volume increment (TVI) (m 3 /ha/year) and stand basal area (BA) (m 2 /ha) was calculated and used as a ... Plata, Buenos Aires, Argentina 3 Instituto Nacional de Tecnolog a Agropecuaria, Universidad Nacional de la Patagonia Austral – Consejo Nacional de Investigaciones Científicas y Té...
Ngày tải lên: 07/08/2014, 10:21