Báo cáo lâm nghiệp: "A survey of forest pollution with heavy metals in the Natural Forest Region (NFR) Moravskoslezské Beskydy with particular attention to Jablunkov Pass" docx

Báo cáo hóa học: " A survey of classical methods and new trends in pansharpening of multispectral images" docx

... this article as: Amro et al.: A survey of classical methods and new trends in pansharpening of multispectral images. EURASIP Journal onAdvances in Signal Processing 2011 2011:79.Submit your manuscript ... provide multispectral imagestogether with a panchromatic image, that is, an image containing reflectance data representative of a wide range of bands and wavelengths. Pansharpening is a pixel-level ... matrix is a sparse matr ix that contains in each column the spectralresponse of a MS band of x. Note that in the case of pansharpening, the image x has only one band and thematrix S will be a column...

Báo cáo lâm nghiệp: " Feeding ecology of pine shoot beetles (Tomicus spp.) in tree crowns of Scots pine (Pinus sylvestris L.) stands under one-year outbreak" pptx

... Results of studies have indicated that some quantitative aspects of beetle feeding in Feeding ecology of pine shoot beetles (Tomicus spp.) in tree crowns of Scots pine (Pinus sylvestris L.) stands ... distribution of losses in growth of trees caused by the feeding of pine shoot beetles Tomicus piniperda and T. minor (Col., Scolytidae) in Scots pine stands growing within range of the in uence of a ... Scots pine crowns. Feeding of beetles in pine shoots in 2002–2006 Scots pine unpeeled timber stored in the amount of 500 m3 became a source of the mass reproduction of pine shoot beetles. ...

Báo cáo lâm nghiệp: "A survey of forest pollution with heavy metals in the Natural Forest Region (NFR) Moravskoslezské Beskydy with particular attention to Jablunkov Pass" docx

... be-tween the region of Jablunkov Pass and the rest of A survey of forest pollution with heavy metals in the Natural Forest Region (NFR) Moravskoslezské Beskydy with particular attention to Jablunkov ... detected in the area of the Jablunkov Pass in comparison with the remaining area of NFR. e spatial distinctness of distribution of this element in the Jablunkov Pass is conﬁrmed in the forest ... distinctness of the area around the Jablunkov Pass is conﬁrmed by the evaluation of the data of forest nutrition survey. Particularly, it consists in the high contents of phytotoxic heavy metals. ...

Báo cáo lâm nghiệp: "Paternity analysis of Populus nigra L. oﬀspring in a Belgian plantation of native and exotic poplars" doc

... between males of P. ìcanadensis and P. ni gra in fertilizing P. nigra females in the artiﬁcial species-mixed Belgian poplar stand. A paternity analysis also revealed non-randomintra-speciﬁc mating ... situated in an agricultural landscape in which there are many poplar plantations of P. ì canadensis but no stands of P. nigra (except plantations of P. nigra cv. Italica). The nearest known P. nigra ... study stand covers an area of 0.4 ha (200 m × 20 m) and is located at the edge of a large poplar plantation covering a totalarea of 5.25 ha. This large plantation is composed of clones of P. d...

Báo cáo lâm nghiệp: "Botanical determinants of foliage clumping and light interception in two-year-old coppice poplar canopies: assessment from 3-D plant mock-ups" ppsx

... 10.1051/forest:2007016Original articleBotanical determinants of foliage clumping and light interception in two-year-old coppice poplar canopies: assessment from 3-D plant mock-upsEric Ca*,HervéSbaForest ... alternating inter-row dis-tances of 0.75 m and 1.5 m, and a within row spacing of 0.9 m, toyield a planting density of 1 plant m−2. From model outputs, basicstructural plant dimensions and canopy ... dur-ing early spring, revealing that changes in canopy LAI ratherthan in à was the determinant factor driving light interception during a large fraction of the growing season. This is in agree-ment...

Báo cáo lâm nghiệp: "Genetic control of adventitious rooting on stem cuttings in two Pinus elliottii × P. caribaea hybrid families" pptx

... (2005) 403412â INRA, EDP Sciences, 2005DOI: 10.1051/forest:2005036Original articleGenetic control of adventitious rooting on stem cuttings in two Pinus elliottii ì P. caribaea hybrid familiesMervyn ... shown to be effective in maintaining juvenile rooting responses in operational hedges of P. elliottii ì P. caribaea hybrids till at least age 3 years [22].A further study of rooting has now been ... pp. 13.11–13.14.[23] Haines R.J., Walker S.M., Copley T.R., The effect of decapitationand heavy pruning of ortets on the subsequent rooting of cuttings of Pinus caribaea var. hondurensis, in: ...

Báo cáo lâm nghiệp: "Links between tree structure and functional leaf traits in the tropical forest tree Dicorynia guianensis Amshoff (Caesalpiniaceae)" ppsx

... carried out in the morning between 07 00 and 12 00 h in the forest understorey and between 07 00 and 10 00 h in the clearing to avoid a mid-day stomatal closure. During the A-PPFDresponses, the mean ... structure and functional leaf traits in the tropical forest tree Dicorynia guianensis Amshoff (Caesalpiniaceae)Jean Christophe ROGGYa*, Eric NICOLINIb, Pascal IMBERTa, Yves CARAGLIOb, Alexandre ... of the leaf structure vs irradiance and vs tree ASD may act on Nm in a different way. Therefore, because both the photosyntheticcapacities and the leaf tissue volume increased with changingASD...

Báo cáo lâm nghiệp: "A comparison of two modelling studies of environmental effects on forest carbon stocks across Europe" ppsx

... 2005DOI: 10.1051 /forest: 2005082Original articleA comparison of two modelling studies of environmental effects on forest carbon stocks across EuropeRonnie MILNE*, Marcel VAN OIJENCentre for Ecology ... deposition in EFM thatFigure 11. Simulation results from the Edinburgh Forest Model: Carbon stocks at 22 sites. Effects of changes in [CO2], climate and N-deposition on carbon stocks in conifer forests ... Mohren G., Long-term effects of climate change on car-bon budgets of forests in Europe, in: Final report of EU-funded pro-ject Long-term regional effects of climate change on Europeanforests:...

Báo cáo lâm nghiệp: "Serotinous cones of Cupressus sempervirens provide viable seeds in spite of high seed predation." ppsx

... s.e.) of seeds per tree for potential(= (no. of filled seeds + no. of damaged seeds) ì germination rate ì no. of serotinous cones) and realised seed crop (= no. of filled seeds ì ger-mination ... = (no. of filled seeds + no. of damaged seeds) ì germination rate ì no. of serotinous cones; 2. realised seed crop = no. of filled seeds × germination rate × no. of serotinous cones. 2.5. Statistical ... 62–66. Seed predation in cypress serotinous cones 7832.4. Assessing insect and fungi impact on seed yield and seed germination potential of serotinous cones The seeds of the first six analysed cones...

Báo cáo lâm nghiệp: "A flexible radial increment model for individual trees in pure even-aged stands" pdf

... 327335â INRA, EDP Sciences, 2004DOI: 10.1051/forest:2004026Original articleA flexible radial increment model for individual trees in pure even-aged standsChristine DELEUZEa*, Olivier PAINa, ... various individual growth models for trees in pure and even-aged stands, a generic model with aform parameter according to each species is proposed. With a final objective of implementing this model ... segmentedcubic model for Douglas-fir, to take into account a more gradualincrease of increment for transitional trees, between suppressedand dominant.The general form of Dhôte’s model is quite interesting...

Báo cáo lâm nghiệp: " A collection of functions to determine annual tree carbon increment via stem-analysis" pot

... hi).Stem lateral surface area (A) is calculated as the sum of eachlog lateral area and the lateral area of the cone formed by tree tip: .2wG ⋅=π()iiiiihhGGv −⋅+=++112()ntreenniihhGvV ... dell'Appennino Pistoiese, inAtti del seminario funzionalità del sistema faggeta, Accademia Ita-liana di Scienze Forestali, 1995, pp. 309–318.[6] Carey E., Sala A. , Keane R., Callaway R.M., Are old forests ... Frattegiani M., Manetti M.C., Il metodo di analisi delfusto. Confronto tra cinque metodi di stima della relazione altezza-età, Annali dell'Istituto Sperimentale per la Selvicoltura, Arezzo...

Báo cáo lâm nghiệp: "A comparison of fitting techniques for ponderosa pine height-age models in British Columbia" potx

... 609Ann. For. Sci. 61 (2004) 609615â INRA, EDP Sciences, 2004DOI: 10.1051/forest:2004064Original articleA comparison of fitting techniques for ponderosa pine height-age models in British ... asthat for model (5). Therefore, I recommend the use of model (4) for estimating the height of ponderosa pine in British Columbia.The models cannot be algebraically inverted to predict siteindex ... index can be obtained fromthe models using iterative techniques [35].It is critically important to have good growth and yield infor-mation for sustainable forest management of ponderosa pine since...

Báo cáo lâm nghiệp: "A model of with even-aged beech stands productivity process-based interpretations" doc

... part of a largerproject aimed at modeling growth of pure even-aged stands of common beech, onthe basis of a network of permanent plotsobserved since the turn of the ... generalization of Eichhorn’s ruleThe data analysis of the 3 previous sec-tions provides a model for the 3 compo-nents of productivity in even-aged beech stands: where α, ... area is taken at crown base (Granier, Original articleA model of even-aged beech stands productivity with process-based interpretationsJF DhôteLaboratoire de recherches...

Báo cáo lâm nghiệp: " A comparison of the photosynthetic radiation response of Scots pine shoots in direct and diffuse radiation" pot

... horizontal irradiance, the amount of intercepted radiation is many times great-er in the spherical radiation field. In a direct radiation field, the amount of inter-cepted radiation, ... A comparison of the photosynthetic radiation response of Scots pine shoots in direct and diffuse radiation P. Oker-Blom1H. Smolander2T. Lahti3! University of Helsinki, ... photosynthetic rate of a shoot in direct radiation is calculated using the distribution of radiation within the needles and a Blackman curve giving the best fit to measured...

Báo cáo lâm nghiệp: "A model of light interception and carbon balance for sweet chestnut coppice (Castanea sativa Mill.)" pdf

... A model of light interception and carbon balance for a sweet chestnut coppice (Castanea sativa Mill.)L. MordacqB. SaugierLaboratoire ... respiration and aerial growth in a sweet chestnut (Castanea sativa Mill.) coppice for several years after a cut. Wedesigned a model to predict photosynthe-sis of heterogeneous ... photosyn-thesis -light curve (by unit leaf area of thetree) compared with the outputs of the model for a single tree and for two light conditions. The light saturation...

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