Báo cáo lâm nghiệp: " Viscoelastic behaviour of green wood across the grain Part I Thermally activated creep tests up to 120 °C" ppsx

Báo cáo lâm nghiệp: " Viscoelastic behaviour of green wood across the grain. Part I. Thermally activated creep tests up to 120 °C" ppsx

Báo cáo lâm nghiệp: " Viscoelastic behaviour of green wood across the grain. Part I. Thermally activated creep tests up to 120 °C" ppsx

... which may be infinite or 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 viscoelastic behaviour. ... Sci. 62 (2005) 707–716 © INRA, EDP Sciences, 2005 DOI: 10.1051/forest:2005067 Original article Viscoelastic behaviour of green wood across the grain. Part I....
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp: "Viscoelastic behaviour of green wood across the grain. Part II. A temperature dependent constitutive model defined by inverse method" pot

Báo cáo lâm nghiệp: "Viscoelastic behaviour of green wood across the grain. Part II. A temperature dependent constitutive model defined by inverse method" pot

... and used simultaneously to fit the parameters of the constitutive model. In this possibility lies the main innovation of the inverse method pro- posed here. This feature is the key element of the identification ... identification pro- cedure and guarantees the quality of the fitted parameters and the wide range of validity of the resulting constitutive model....
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp: "Historical development of floodplain forests in the Upper Moravian Vale (Vrapač National Nature Reserve, Czech Republic)" pot

Báo cáo lâm nghiệp: "Historical development of floodplain forests in the Upper Moravian Vale (Vrapač National Nature Reserve, Czech Republic)" pot

... among the individual river arms at the Řimice dam as well as the obligations of the millers to maintain the dam were stated in writing in the so-called Contract of Řimice drafted in 1474 ... erosion of the river bed in the area of the artificially straightened part of the Morava River above Litovel is probably the cause of a gradual decease in some o...
Ngày tải lên : 07/08/2014, 10:21
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Báo cáo lâm nghiệp: "Habitat distribution of dipterocarp species in the Leyte Cordillera: an indicator for species – site suitability in local reforestation programs" ppt

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

... Leyte Cordillera on the island of Leyte, Philippines, to document the occurrence and habitat distribution of dipterocarp species. A total of 18 species belonging to the six Philippine dipterocarp ... identified at Mt. Pangasugan and its vicinities (Tab. II). The 18 species belong to the six Philippine diptero- carp genera and make up 28% of the 65 dipterocarp speci...
Ngày tải lên : 08/08/2014, 00:22
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Báo cáo lâm nghiệp: " Flight activity of Anthribus nebulosus Forster, 1770 (Coleoptera: Anthribidae) and notes to its life history" potx

Báo cáo lâm nghiệp: " Flight activity of Anthribus nebulosus Forster, 1770 (Coleoptera: Anthribidae) and notes to its life history" potx

... Jeseník Hills, the flight activity started at the beginning of May and ended in mid-June with the peak at the end of May and beginning of June in 2005 (Fig. 2). In 2006, the flight activity started ... with masses of A. nebulosus very intensively. In five localities with Malaise traps in the Nízký Jeseník Hills, the flight activity started at the beginning of May and...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Spatial distribution of four spruce bark beetles in north-western Slovakia" pps

Báo cáo lâm nghiệp: "Spatial distribution of four spruce bark beetles in north-western Slovakia" pps

... suggesting highly prevalence of IT in trees mortality in this region. Distribution of IA is limited to high elevations around Slovak-Polish border in the western part of study territory (eleva- tion ... having high intensity of tree infes- tation mainly along the main valley in the region. Lower elevations occurring in the southern part of region were often infeste...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Initial evaluation of half-sib progenies of Norway spruce using the best line" potx

Báo cáo lâm nghiệp: "Initial evaluation of half-sib progenies of Norway spruce using the best line" potx

... Maximum Likelihood (REML) followed by the Best Linear Unbiased Prediction (BLUP) is the most efficient method for the identification of individuals, which enables to achieve maximum genetic gain in ... due to Mendelian sampling of alleles, which is a source of significant additive variance (F, M 1996). Due to this build -up of genetic variance, it is possible...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Complex study of foliage nutrient status in ash fertilized Scots pine stands in Lithuani" pptx

Báo cáo lâm nghiệp: "Complex study of foliage nutrient status in ash fertilized Scots pine stands in Lithuani" pptx

... other nutrients begin to limit growth. us, the general aim of forest fertilization is to improve the growth of a tree stand by adding the complex of nutrients, the lack of which is limiting ... saturates the soil with additional amounts of various nutrients. Like usual fertilizers, this application could either cause the imbalance of elements in the soils or...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: "Value production of poplar clones'''' ppt

Báo cáo lâm nghiệp: "Value production of poplar clones'''' ppt

... With the highest site indexes it is at the age of 25 to 30 years, for intermediate site indexes it is expected immediately after the limit of 35 years but for the lowest site indexes it is ... in the forest up to the deliveries of assortments for their industrial processing. It is obvious from the overview that the primary production of raw timber assortment...
Ngày tải lên : 07/08/2014, 03:22
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Báo cáo lâm nghiệp: " Production potential of Douglas fir at mesotrophic sites of Křtiny Training Forest Enterprise" ppsx

Báo cáo lâm nghiệp: " Production potential of Douglas fir at mesotrophic sites of Křtiny Training Forest Enterprise" ppsx

... mainly in the position of an individual admixture. In 485 stand parts (73.5%), Douglas fir is registered in an interval from 1 to 10% (its reduced area is 51.16 ha). In total in 106 stand parts ... assessing production capacities of introduced species it is necessary to mention at the first place data on their growth and production at the original habitat. Data on their produ...
Ngày tải lên : 07/08/2014, 03:22
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