Báo cáo lâm nghiệp: "Predicting balsam fir growth reduction

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

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Báo cáo lâm nghiệp: "Predicting site productivity and pest hazard in lodgepole pine using biogeoclimatic system and geographic variables in British Columbia" potx

... 1994. [30] Stanek W., Relative quality of the major forest associations of the southern BC interior for growth of lodgepole pine, Engelmann spruce, Douglas -fir and alpine fir, For. Chron. 42 (1966) 306–313. [31] ... causes terminal dieback of the current year’s growth. The attack of terminal weevil on lodgepole pine not only causes loss of tree growth, but also reduces ti...

Ngày tải lên : 08/08/2014, 00:21

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Báo cáo lâm nghiệp: "Predicting the environmental thresholds for cambial and secondary vascular tissue development in stems of hybrid aspen" pptx

... Universität, Freiburg, Germany, by Dr L. Puech and Miss M. Wittenzellner, under the guid- ance of Professor Dr S. Fink. Part of the work was supported by a grant from the Commission of the European Communities. REFERENCES [1] ... example, cycles of light and dark can combine with cycles of varying temperature to evoke patterns of development not expressed in response to any on...

Ngày tải lên : 08/08/2014, 00:22

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Báo cáo lâm nghiệp: "Modelling dominant height growth and site index curves for rebollo oak (Quercus pyrenaica Willd.)" pptx

... forest site quality using the parameters of a dimensionally compatible height growth function, For. Sci. 38 (1992) 409–429. [36] Medawar P.B., Growth, growth energy, and ageing of the chicken’s heart, ... of observations; p: number of parameters of the model. 2.5. Comparison of height growth models among stratums Once the best function had been selected, the diﬀerences in...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Relationship between root growth potential and ﬁeld performance in Aleppo pine" doc

... project “Im- provement of forest plantation establishment in the province of Va- lencia through the deﬁnition of seedling quality standards” signed by the Universidad Politécnica of Valencia and the ... vitality tests using sensitivity analysis of a process-based growth model, For. Ecol. Manage. 183 (2003) 77–93. [12] McAlister J.A., Timmer V.R., Nutrient enrichment of white...

Ngày tải lên : 07/08/2014, 16:21

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Báo cáo lâm nghiệp: "Predicting the vertical location of branches along Atlas cedar stem (Cedrus atlantica Manetti) in relation to annual shoot length" pdf

... number of transitions between two occurrences of an event, (iii) sojourn time (“run length” of an event), i.e. the number of successive occurrences of a given event. – “Counts”: the number of occurrences ... tree stem 717 the growth rate of the parent shoot. In particular, the great ex- tent of the neoformed zone 3 in the annual shoots of the main stem expresses the adapti...

Ngày tải lên : 07/08/2014, 16:21

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Báo cáo lâm nghiệp: "Predicting stand damage and tree survival in burned forests in Catalonia (North-East Spain)" pot

... linguistic revision of the manuscript. The study was conducted within the MEDFOREX program coordinated by the Forest Technology Centre of Catalonia. REFERENCES [1] Agee J.K., Fire ecology of Paciﬁc Northwest ... propotion of N Probability of survival dbh=10 dbh=25 dbh=40 0 0.2 0.4 0.6 0.8 1 0 1020304050 Diameter, cm Probability of survival damage=0.9 damage=0.5 damage=0.1 Figure...

Ngày tải lên : 07/08/2014, 16:21

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Báo cáo lâm nghiệp: "Predicting the potential distribution of Sirex noctilio (Hymenoptera: Siricidae), a significant exotic pest of Pinus plantations" pot

... those in eastern Australia by approximately 2 000 km and thus they are unlikely to become colonised by natural migration of S. noctilio. Figure 5. Prediction of distribution of S. noctilio (circles) ... America. The size of circles indicates likelihood of survival. Native forests of susceptible hosts (Pinus spp.) are located within the shaded area [7]. Figure 6. Prediction of...

Ngày tải lên : 08/08/2014, 00:22

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Báo cáo lâm nghiệp:"Predicting the probability of seed germination in Pinus sylvestris L. and four competitor shrub species after fire" doc

... the extension of prescribed fires as an alternative means of favouring the regeneration of Scots pine. REFERENCES [1] Ahlgren C.E., Some effects of fire on reproduction and growth of vegetation ... Knowledge of the regeneration of competing shrub species after wildfire in Scots pine stands is essential for the regeneration of this tree species. The germination capability of...

Ngày tải lên : 08/08/2014, 01:21

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Báo cáo lâm nghiệp:" Needle longevity, shoot growth and branching frequency in relation to site fertility and within-canopy light conditions in Pinus sylvestris" potx

... that the growth was chiefly limited by nutrients rather than by light in this site. In conifers, absolute rates of lateral canopy extension respond to irradiance similarly to height growth [12, ... height growth increment generally exceeds the lateral growth such that the ratio of lateral to vertical growth may be negatively related to irradiance [12, 15, 88]. A relatively l...

Ngày tải lên : 08/08/2014, 01:21

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