Báo cáo lâm nghiệp: "Habitat distribution of dipterocarp species in the Leyte Cordillera: an indicator for species – site suitability in local reforestation programs" ppt

... 17°58'46.72''E, 460 m a.s.l.; Flight activity of Anthribus nebulosus Forster, 1770 (Coleoptera: Anthribidae) and notes to its life history J. H 1,2 , M. T 3 1 Forestry and Game Management Research ... consump- tion, mating behavior, and shelter selection of Anthribus nebulosus Forster (Coleoptera: Anthribidae), an introduce...

Ngày tải lên: 07/08/2014, 03:22

... traps give information influenced by mi- gration of beetles. CONCLUSIONS I. typographus remained dominant species on the majority of sites having high intensity of tree infes- tation mainly along ... understanding of bark beetles spatial distribution. It may be used for practical forest protection only as preliminary information. No environmental factor controlling observed...

Ngày tải lên: 07/08/2014, 03:22

... selection of the best plus trees based on the performance of their half- sib progenies (R 1 ); response to selection of the best half-sib progenies (R 2 ); response to selection of the best clonally ... by the Czech University of Life Sciences in Prague, Faculty of Forestry and Environment, Project No. 41130/1312/413162. Initial evaluation of half-si...

Ngày tải lên: 07/08/2014, 03:22

... complex analyses of foliage nutrient status in a Scots pine stand in Lithuania. Site. e study site lies in the SW part (54°55'N, 23°43'E) of Lithuania in a common Scots pine stand for ... study aim was to interpret the foliage and soil analyses, and to find possible indications in the soil-plant relation in the stand. e analyses of the fol...

Ngày tải lên: 07/08/2014, 03:22

... e direct costs of the production of 1 m 3 of raw wood assortments were derived by means of the product of SH/m 3 with the wage schedule and coef- ficient of recalculation of labour costs ... Quality of wood in the stands of poplar clones. Journal of Forest Science, 54: 9–16. PETRÁŠ R., MECKO J., NOCIAR V., 2008b. Models of as- sortment yield tables for poplar...

Ngày tải lên: 07/08/2014, 03:22

... Ministry of Agriculture of the Czech Republic, Project No. QG 60063. Production potential of Douglas fir at mesotrophic sites of Křtiny Training Forest Enterprise P. K Faculty of Forestry ... evaluates the production po- tential of Douglas fir growing at mesotrophic sites in mature stands of Křtiny TFE. In total, 29 mixed stands were assessed...

Ngày tải lên: 07/08/2014, 03:22

... stability according to M (1994) and the level Floodplain forests of Litovelské Pomoraví and their management I. M Department of Biology, Faculty of Education, Palacký University in ... forests in the Litovelské Pomoraví PLA Fig. 5. Proportions of age class areas of floodplain forests in the Litovelské Pomoraví PLA % total area of floodplain f...

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

... vegetation and the rest of phytocoenosis contribut- ing to the formation of the soil environment or on the contrary, the absence or presence of herbs on the soil surface is primarily caused by the ... paupera, on the contrary, the contribution to the knowledge of this ecosystem is in the determina- tion of complicated soil environment, compare...

Ngày tải lên: 07/08/2014, 10:21

... Fe Sapwood 1 0.01 0.03 – 0.01 0.05 – – 0.20 0.07 0.02 Sapwood 2 – 0.03 – – 0.02 – – 0.18 0.07 – Sapwood 3 – 0.01 – – – – – 0.11 0.30 – Heartwood 1 < 0.01 < 0.01 – 0.01 < 0.01 – – 0.07 ... the formation of mineral inclusions is induced or increases when the main functions of the woody tissues shift from transport...

Ngày tải lên: 07/08/2014, 16:20

... M., Adiku S., Kakubari Y., In uences of environmental factors on the radial pro- file of sap flux density in Fagus cr enata growing at different el- evations in the Naeba Mountains, Japan, Tree Physiol. ... were probably intercepting enough light or had an above- average leaf area/basal area ratio. Vincke et al. [27] found that Ann. For. Sci. 64 (2007) 431–438 Available online...

Ngày tải lên: 07/08/2014, 16:21

... Sci. 62 (2005) 707716 â INRA, EDP Sciences, 2005 DOI: 10.1051/forest:2005067 Original article Viscoelastic behaviour of green wood across the grain. Part I. Thermally activated creep tests up ... negative… These problems are intrinsically tied to creep tests, for which the whole history is assumed to be due to the thermal activation of the visco...

Ngày tải lên: 08/08/2014, 00:22

... one has to keep in mind that the number of parameters that may be identified from experi- mental data is limited by the quality and the parameter domain of the available data. The natural variability ... fit the behaviour of all remaining tests at higher temperature levels, including the 10 h long plateau at constant temperature. The parameter identification depic...

Ngày tải lên: 08/08/2014, 00:22

... the Leyte Cordillera: an indicator for species – site suitability in local reforestation programs Gerhard LANGENBERGER* Institute of Plant Production and Agroecology in the Tropics and Subtropics ... on the western side of the mountain range are actually typical species of the coastal plains which found their refuge in the rugged western foo...

Ngày tải lên: 08/08/2014, 00:22

... 507514 â INRA, EDP Sciences, 2004 DOI: 10.1051/forest:2004045 Original article Field performance of Pinus pinea and P. halepensis seedlings inoculated with Rhizopogon spp. and outplanted in formerly ... inoculation * Corresponding author: xavier.parlade@irta.es Field performance of Pinus inoculated with Rhizopogon 511 3.3. Pinus halepensis seed...

Ngày tải lên: 08/08/2014, 01:22