Báo cáo lâm nghiệp: "Modelling of the shape of red heartwood in beech trees (Fagus sylvatica L ) based on external tree characteristics" potx
Báo cáo lâm nghiệp: "Modelling of the shape of red heartwood in beech trees (Fagus sylvatica L.) based on external tree characteristics" potx
... assessment in forestry,and to increase the yield of the valuable light-coloured (white)beechwood in industrial processing. Beech is capable of forming coloured heartwood (called a“facultative heartwood ... general,an increase of hiresults in an increase of the height of the red heart in the tree; an increase of l iresults in an increase of the red heart length;and an increase of wiresults in ... point. Remaining issues concerning the modelstructure should be analysed on a higher number of samples. An application of the model at the log level could be developed. red heart / model / beech...
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Báo cáo lâm nghiệp: "Contribution to the knowledge of Clethrionomys glareolus populations in forests of managed landscape in Southern Moravia (Czech Republic)" pot
... pres-ence of supplemental food at this locality.All the year round a high concentration of birds of prey was observed in RB locality. eir in uence on the population of small mammal species ... species monitoring and early plan-tation protection.DISCUSSIONDuring the study of small mammal populations in three large forest complexes in southern Moravia Cg was one of the most dominant species. ... supplemental feeding on a vole population. Journal of Mammalogy, 59: 553–566.DUDICH A., ŠTOLLMAN A., 1983. Micro-mammal com-munities in the tree species formation of the East Slovakian Lowlands....
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Báo cáo lâm nghiệp: "Contribution to the knowledge of Apodemus sylvaticus populations in forests of the managed landscape of southern Moravia (Czech Republic)" potx
... 198 5). Gen-erally, the response of changes in the As population abundance is based on the combination of functional and numerical response of all occurring species of predators (K 198 5). ... (Apodemus sylvaticus). Journal of Zoology (London), 198: 83–102.SUCHOMEL J., 2007. Contribution to the knowledge of Clethrionomys glareolus populations in forests of managed landscape in Southern ... (Fraxinus excelsior), pedunculate oak (Quercus robur), black poplar (Populus nigra), large-leaved lime (Tilia platyphyllos) and common maple (Acer campestre).e Hájek locality (HA) (60 ha) is...
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Báo cáo lâm nghiệp: "Findings from the application of coal combustion by-products (CCB) for forest reclamation on spoil banks of the North Bohemian Brown Coal Basin" pdf
... the soil profile 0.4–0.5 m in thickness.e knowledge of the CCB application in con-ditions of Anthroposols of the Bílina Mine was acquired in a pedologically relatively luxurious en-vironment ... thickness of the overlaying topsoil stratum, state of the mixing of CCB with topsoil including the water regime (slope, flatland) that con-tinues to change as a result of the building of other storeys ... result of CCB ploughing -in into the soil horizon formed of topsoil (pedological characteristics of soil horizon 0.1–0.35 m) the content of soil particles < 0.01 mm decreased below the limit...
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Báo cáo lâm nghiệp: "SHORT COMMUNICATION The use of cotyledon proteins to assess the genetic diversity in sweet holm oak" potx
... (albumins, globulins, prolamines and glutelins) were obtained, all of them were precipitated with 1 ml of cold ac-etone, and the dried pellets were solubilized in buffer containing 625mM Tris-HCl pH: ... strategies, mainly in reforestation. In this respect, this method of analyzing cotyledon storage proteins (glutelins) could be considered an additional tool to shed light on the evaluation of genetic ... polymorphic bands with a wide distribution among all them. Considering all evaluated populations, about 35.8% of the total allelic variation was distributed among populations. is method of...
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Báo cáo lâm nghiệp: "Relationships between the parameters of aboveground parts and the parameters of root plates in Norway spruce with respect to soil drainage" docx
... was only 419 cm in Norway spruce trees growing in well-drained sites. Inter-estingly, on the other hand, in waterlogged sites, the mean value of Rrp was 159 cm only, but it was 211 cm in trees ... waterlogged sites. Moreover, this correlation was even lower in the case of spruce trees growing in well-drained sites. Interestingly, in either of the localities no correlation was deter-mined ... ( 8): 353–360spruce trees growing in the waterlogged and in the well-drained sites. e mean value of Trp was only 31 cm in spruce trees growing in waterlogged sites, but the mean value of...
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Báo cáo lâm nghiệp: "Management criteria for Ficus insipida Willd. (Moraceae) in Amazonian white-water floodplain forests defined by tree-ring analysis" pptx
... on the few remaining areas of intact floodplainforests. In addition, a further benefit to be gained would be the improvement of the economic situation of the local riverinepopulation in a relatively ... to the controversial discussion existing in literature about the exis-tence of annual tree rings in the wood of tropical tree species, the application of dendrochronological methods to model tree growth ... phenological observations, densitometry andclimate-growth relations. The existence of annual tree ringsallows the application of dendrochronology to model tree growth in the Amazonian floodplain forests...
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Báo cáo lâm nghiệp: "Improving RBS estimates – effects of the auxiliary variable, stratification of the crown, and deletion of segments on the precision of estimate" pps
... explained by the altered selection probabilities of the segments. For the pine of Fig. 7, using the cross section as the auxiliary variable, the segments with a larger unconditional selection ... vari-able. Deletion of great sized segments yielded higher precision in almost all cases. Stratification of the crown was not generally successful in terms of a reduction of sampling errors. Only in ... represents the current total of the target variable of the tree or stratum. (d) Deletion of segments in the strata of (c). e lines represent the slope of the relationship between the target variable...
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Báo cáo lâm nghiệp: "Arginine and the shade tolerance of white spruce saplings entering winter dormancy" ppsx
... guanidino compounds in the soluble N pool of the roots of four-year-old white spruce saplings exposed to continuous natural light and shading under field conditions (% total soluble N). is is only ... and 13% light, Ta-ble 2), needles (13% light), and stems with new buds (full light). e greatest decline occurred in roots and needles. In roots, the soluble N fell from 870 (full light) to ... declined in all organs. Glutamine N declined in needles and stems with buds but increased in roots (25 and 13% light). Arginine N accumulated in all organs. Percent arginine N was greatest in...
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Báo cáo lâm nghiệp: "How to identify larvae of the protected species: Dioszeghyana schmidtii (Diószeghy 1935), and survey its presence and abundance (Lepidoptera: Noctuidae; Hadeninae)" pot
... Schiffermüller 177 5) (Fig. 1 1). Living on oaks and other woody plants– Larva with inconspicuous pinacula. Cephallic capsule relatively small 14.14(1 2) Laterally line inconspicuous usually, pro-tho-racic ... coloration distinct 8.8( 7) Laterally line, at least in central part, with conspicuous undulation dorsally, this undulation yellowish-white to yellow in colour. Area above lateral line lacks ... dorsal sclerotized plate (shield). Colour brown-black to black Eupsilia transversa (Hufnagel 182 1) (Fig. 7). Living polyphageously on broadleaved trees and herbs– Laterally line locally bigger...
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