Báo cáo lâm nghiệp: "Characteristics of coarse woody debris

Báo cáo lâm nghiệp: "The root-plant ratio changes in the first growing periods of wild cherry (Prunus avium L.) plantations" pptx

... that the fine root ratio is stable at least in the first growing period of new plantation and the best growing plants have about the same fine root ratio as the poorly growing ones. Even the regression ... explaining 92% of the relationship. An adequate proportion of fine roots (thinner than 2 mm) in the root system is another important parameter of p...

Ngày tải lên : 07/08/2014, 03:22

6
332
0

Báo cáo lâm nghiệp: "Characteristics of 3rd (Querci-fageta s. lat.) and 4th (Fageta (abietis) s. lat.) vegetation tiers of north-eastern Moravia and Silesia (Czech Republic)" pps

... Technology. Characteristics of 3 rd (Querci-fageta s. lat.) and 4 th (Fageta (abietis) s. lat.) vegetation tiers of north-eastern Moravia and Silesia (Czech Republic) O. H 1,2 , J. H 2 , S. 1 Faculty of ... geobiocenoses of Querci-fageta s. lat.) and 4 th (Fageta (abietis) s. lat.) vegetation tiers in north-east...

Ngày tải lên : 07/08/2014, 04:20

13
290
0

Báo cáo lâm nghiệp: "Characteristics of coarse woody debris in successional stages of natural beech (Fagus orientalis) forests of Northern Iran" ppsx

... cycling (R, P 1999; C et al. 2001; C, N 2002; Characteristics of coarse woody debris in successional stages of natural beech (Fagus orientalis) forests of Northern ... origins of deadwood mate- rial in Aspen-dominated boreal forests. Applied Ecology, 7: 691–701. M M M.R. (1976): Some qualitative character of...

Ngày tải lên : 07/08/2014, 10:21

11
268
0

Báo cáo lâm nghiệp: " Fungi associated with Tomicus piniperda in Poland and assessment of their virulence using Scots pine seedlings" doc

... 801 c  INRA, EDP Sciences, 2006 DOI: 10.1051/forest:2006063 Original article Fungi associated with Tomicus piniperda in Poland and assessment of their virulence using Scots pine seedlings Robert ... col- onizer of pine tree stems. Tomicus piniperda, together with its cogener T. minor (Hrtg.), ranks among the main insect pests of Scots pine in P...

Ngày tải lên : 07/08/2014, 16:20

8
432
0

Báo cáo lâm nghiệp: "Soil carbon dioxide eﬄux in pure and mixed stands of oak and beech" potx

... TSR in the oak, mixed and beech stands. The annual heterotrophic respiration of the forest ﬂoor ac- counted respectively for 68, 74 and 51% of the annual FFR in the oak, mixed and beech stands ... 10.1051/forest:2006098 Original article Soil carbon dioxide eﬄux in pure and mixed stands of oak and beech Mathieu J * , Frộdộric A , Franỗois J,Nicol...

Ngày tải lên : 07/08/2014, 16:20

10
344
0

Báo cáo lâm nghiệp: "Tree density and site quality inﬂuence on Pinus halepensis Mill. reproductive characteristics after large ﬁres" pdf

... high quality but low density sites (such as TAR). The lowest tree density and low Aleppo pine reproduction after large ﬁres 651 Figure 2. Cone production (X axis: site; Y axis: number of cones per ... tree density and three for site quality distributed along Eastern Spain. 2.3. Measurement of reproductive characteristics Fertilized cones were counted and classiﬁed...

Ngày tải lên : 07/08/2014, 16:21

8
356
0

Báo cáo lâm nghiệp: "Predicting balsam fir growth reduction caused by spruce budworm using large-scale historical records of defoliation" potx

... 10.1051/forest:2005018 Original article Predicting balsam fir growth reduction caused by spruce budworm using large-scale historical records of defoliation David POTHIER a *, Daniel MAILLY b , ... – To predict the reduction in growth of balsam fir (Abies balsamea (L.) Mill.) subjected to spruce budworm (Choristoneura fumiferana (Clem.)) epidemics, tree-...

Ngày tải lên : 08/08/2014, 00:21

7
294
0

Báo cáo lâm nghiệp:"Daylength, temperature and fertilization effects on desiccation resistance, cold hardiness and root growth potential of Picea mariana seedlings" docx

... article Daylength, temperature and fertilization effects on desiccation resistance, cold hardiness and root growth potential of Picea mariana seedlings Stephen J. COLOMBO a *, Chris GLERUM a † and D. ... the effect of temperature, fertilizer application, and daylength on the development of needle primordia in buds, desiccation resistance, col...