Báo cáo lâm nghiệp: "Canonical correspondence analysis for forest site classification. A case study* " ppt

... (At). Determination of the percentage of PF resin hardening e aim of studying the character of PF resins in the field of UV spectrum was to determine the amount of the insoluble proportion of a heat-hardened ... tolerate Supported by the Ministry of Education, Youth and Sports of the Czech Republic, Project No. MSM 6215648902. Determination of the pressi...

Ngày tải lên: 07/08/2014, 03:22

... by the Scientific Grant Agency of the Ministry of Education of Slovakia and Slovak Academy of Sciences VEGA, Project No. 2/0045/08. Amounts of throughfall and lysimetric water in a sub-mountain ... 207–211 Water as a substantial component of the living environment is a limiting factor for plants, animals and humans themselves. e amount of (surface...

Ngày tải lên: 07/08/2014, 03:22

... QH72075. Rodent-caused damage to forest trees from the viewpoint of forestry practice J. K 1,2 , K. T 2 , M. H 1 , E. B 2 1 Institute of Vertebrate Biology, Academy of Sciences of the Czech ... management. is corresponds to the comparison of damage caused by rodents and damage due to other harmful factors. Most of the foresters...

Ngày tải lên: 07/08/2014, 03:22

... 228/29042004. Changes in Austrian pine forest floor properties in relation with altitude in mountainous areas O. S, H. B. T Department of Soil Science and Ecology, Faculty of Forestry, Istanbul ... the initial mass was still remaining after 2 years for pine. Besides V and C (2001) recorded that in boreal forests where cold climatic conditions prev...

Ngày tải lên: 07/08/2014, 03:22

... preparation of soil/ site by ploughing, the concentrations of nitrogen and carbon slightly decrease as a result of mixing the soil of the upper horizon with the central part of the soil profile. – ... guidelines for the realization of the above-mentioned project. CONCLUSION – The natural regeneration of oak in floodplain forests of Spačva protect...

Ngày tải lên: 07/08/2014, 03:22

... the current results of the evaluation of the degree of the beech bark necrotic disease in selected localities in Southern Poland. Be- cause of the absence of analogical investigations in Poland, ... 2/7004/27. Current state of beech bark necrotic disease in Southern Poland A. C, I. M Institute of Forest Ecology of the Slovak Academy...

Ngày tải lên: 07/08/2014, 04:20

... was tested at Vielsalm forest campaign for all systems except for the “PP- Or” system. For this purpose, measurements performed with the dif- ferent particular protocols were compared to measurements obtained with ... The forth campaign was performed in the Chaux forest (June 2004) with “Li-62”, “Li- He”, “PP-Ch” and “PP-Or” on 29 PVC collars. The collars were in- serted in the forest...

Ngày tải lên: 07/08/2014, 16:20

... 929 c  INRA, EDP Sciences, 2006 DOI: 10.1051/forest:2006076 Original article Modelling dominant height growth and site index curves for rebollo oak (Quercus pyrenaica Willd.) Patricia A a * ,IsabelC  ˜  b , ... A dominant height growth model and a site index model were developed for rebollo oak (Quercus pyrenaica Willd.) in northwe...

Ngày tải lên: 07/08/2014, 16:20

... NC: SAS Institute Inc, 2004. [48] SAS Institute Inc., SAS/ETS  9.1.2. User’s Guide, Cary, NC: SAS Institute Inc., 2004. [49] SAS Institute Inc., SAS OnlineDoc  9.1.2, Cary, NC: SAS Institute Inc., ... For. Sci. 64 (2007) 511–520 Available online at: c  INRA, EDP Sciences, 2007 www.afs-journal.org DOI: 10.1051/forest:2007028 Original article Merchantable volume system for pedunculat...

Ngày tải lên: 07/08/2014, 16:21

... 10.1051/forest:2007036 Original article An integrated analysis of 33 Eucalyptus trials linking the onset of competition-induced tree growth suppression with management, physiographic and climatic factors Keith M. ... burning) and the interaction between these two factors were significantly related to the timing of tree growth suppression. Rega...

Ngày tải lên: 07/08/2014, 16:21

... 831 Ann. For. Sci. 62 (2005) 831836 â INRA, EDP Sciences, 2005 DOI: 10.1051/forest:2005089 Original article Aboveground biomass relationships for mixed ash (Fraxinus excelsior L. and Ulmus glabra Hudson) ... – About 5% of forest area of Friuli Venezia Giulia (Italy) is covered by mixed ash stands. In most cases, these are secondary forest establishe...

Ngày tải lên: 08/08/2014, 00:22

... A comparative study using floristic and abiotic indices in sessile oak (Quercus petraea Liebl.) stands in northern France Laurent BERGÈS a *, Jean-Claude GÉGOUT b , Alain FRANC c a Cemagref, ... combined the CA Axes and soil water capacity and was slightly better than models M4 and M1. Model M7 combined abiotic indices (SWC 0-150 and Mg/K)...

Ngày tải lên: 08/08/2014, 00:22

... article Aboveground biomass relationships for beech (Fagus m oesiaca Cz.) trees in Vermio Mountain, Northern Greece, and generalised equations for Fagus sp. Dimitris ZIANIS*, Maurizio MENCUCCINI Institute ... to develop biomass equations for beech (Fagus moesiaca Cz.) trees growing in Vermio Mountain, Northern Greece. Some prelimi...

Ngày tải lên: 08/08/2014, 01:21

... by a single profile equation remains unanswered. In our study, we developed a model for young trembling aspen trees, using an approach designed to account for desired features of stem profile ... 109 Ann. For. Sci. 61 (2004) 109115 â INRA, EDP Sciences, 2004 DOI: 10.1051/forest:2004001 Original article Stem profile equations for young trembling aspen in norther...

Ngày tải lên: 08/08/2014, 01:22

... vegetation-envi- ronment relationships by canonical correspondence analysis. Vegetatio 69, 69-77 Original article Canonical correspondence analysis for forest site classification. A case study* JC ... λ CA,2 ≥ ≥ λ CA,k ≥ λCA,k + 1 ≥ The same quantities, λ CCA,k , may be computed...

Ngày tải lên: 08/08/2014, 18:21