Báo cáo lâm nghiệp: "The allometric model in the stand densi

Báo cáo lâm nghiệp: "The allometric model in the stand density management of Pinus pinaster Ait. in Portugal" ppsx

... between these variables linking together the two branches, belongs to neither of them; it con- stitutes the core of ecology [43]. * Corresponding author: jfsl@utad.pt Management of Pinus pinaster in ... Sci. 61 (2004) 807–814 © INRA, EDP Sciences, 2005 DOI: 10.1051/forest:2004077 Original article The allometric model in the stand density management of Pinu...

Ngày tải lên : 08/08/2014, 01:22

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Báo cáo lâm nghiệp: "Décomposition de la croissance en hauteur du pin maritime (Pinus pinaster Ait.) Variabilité géographique des composantes morphogénétiques et phénologiques" pdf

... nnalysis of height growt h, compensa/ion betrreen co!iil)oiieiiis and season« I stability of shoot eloiigaiioii in maritime pine (Pinus pinaster Ait. ). Pro- ceedings of the I.U.F.R.O. ... relative growth rates and variation of cytohistological zonation in apical meristems of seedlings of two contrasting open-pollinated jack pine (Pinus b...

Ngày tải lên : 09/08/2014, 06:21

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Báo cáo lâm nghiệp:"Poplar plywood resistance to wood decay agents: efficacy of some protective treatments in the light of the standard ENV 12038" ppt

... to be the combination of surface protection with edge painting. The attempt to quantify the level of degra- dation of the plywood by rot agents determining the residual shear strength of the glue ... painting did not lead to a significant improvement in the level of protection than the resin coating alone. According to the results obtained on the test pieces in...

Ngày tải lên : 08/08/2014, 01:21

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Báo cáo lâm nghiệp:"Individual-tree growth and mortality models for Scots pine (Pinus sylvestris L.) in north-east Spain" docx

... at the self-thinning limit (figure 3). The influence of site quality on the intercept of the self-thinning line was examined by adding the site index to the model as an independent variable. The ... (2)). Due to the form of equation (2), the height of a tree with dominant diameter is equal to the dominant height of the stand. Furthermore, when the age of...

Ngày tải lên : 08/08/2014, 01:21

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Báo cáo lâm nghiệp: " A state-space approach to stand growth modelling of European beech" pot

... hypothesis of the location of peak growth varying with site quality, stand density, or height was not supported. The eﬀects of thinnings were modelled solely through the eﬀect of the reduction in ... managed according to other thinning strategies, such as group- or selection-thinning and others were managed according to the thinning strategy typical at the time. In...

Ngày tải lên : 07/08/2014, 16:21

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Báo cáo lâm nghiệp: "A growth model for Pinus radiata D. Don stands in north-western Spain" doc

... According to this basic structure, the whole -stand model requires ﬁve stand- level inputs for simulation: the age of the stand at the beginning and the end of the projection interval, and the initial ... initial age provided suﬃcient information about the future trajectory of the basal area of the stand, regardless its thinning history. Therefore, the thi...

Ngày tải lên : 07/08/2014, 16:21

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Báo cáo lâm nghiệp: "Salicylic acid up-regulates the expression of chloroplastic Cu, Zn-superoxide dismutase in needles of maritime pine (Pinus pinaster Ait.)" pptx

... of the tree clearly established the P. pinaster deduced protein within the chloroplastidic Cu,Zn-SODs, yet indicating the natural divergence from all angiosperm species in the clade (the P. pinaster ... studied in what concerns the chloroplastic form of Cu,Zn-SOD from Pinus pinaster. 2. MATERIALS AND METHODS 2.1. Plant material and growing conditions Pinus pin...

Ngày tải lên : 08/08/2014, 01:22

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Báo cáo lâm nghiệp: "Relationships between hydraulic traits and habitat preference for six Acer species occurring in the French Alps" pptx

... by increasing their resistance to cavitation [13], one of the major causes of decline in the botanical species in the absence of water [5]. In contrast, Acer species are more restricted to their ... determining drought tolerance in plants [30]. Catastrophic xylem dysfunc- tion occurring through the entire xylem results in the death of the plant [29]. Consequently...

Ngày tải lên : 08/08/2014, 01:22

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Báo cáo lâm nghiệp: "Ophiostomatoid fungi associated with the spruce bark beetle, Ips typographus, in three areas in France" docx

... spruce trees in these areas. Pheromone trapping, although done only in Vosges, showed declining population size already during the year of beetle sam- pling. Thus in the present study the isolated ... Ophiostoma species. There was no visible staining on any of the control inoculations, and no ophiostomatoid fungi were detected in the control inoculations. When the fre...

Ngày tải lên : 08/08/2014, 01:22

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Báo cáo lâm nghiệp: "Ecophysiological factors contributing to the distributions of several Quercus species in the intermountain west" docx

... and Wullstein, 1985), the absence of summer rain on a predictable basis would then lead to the loss of Q turbinella from the northern habitats if they are not able to maintain ... in the Cottam Oak Grove at the Uni- versity of Utah for approximately 30 years, and during that interval some of the lowest winter and spring air temper...

Ngày tải lên : 08/08/2014, 18:21

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Báo cáo lâm nghiệp: "The allometric model in the stand density management of Pinus pinaster Ait in Portugal" ppsx

Báo cáo lâm nghiệp: "The allometric model in the stand density management of Pinus pinaster Ait. in Portugal" ppsx

Báo cáo lâm nghiệp: "Décomposition de la croissance en hauteur du pin maritime (Pinus pinaster Ait.) Variabilité géographique des composantes morphogénétiques et phénologiques" pdf