Báo cáo lâm nghiệp: "Conversion of a natural broad-leafed evergreen forest into pure plantation forests in a subtropical area: Effects on carbon storage" pps
Báo cáo lâm nghiệp: "Study of natural hybridization between Alnus incana (L.) Moench. and Alnus glutinosa (L.) Gaertn" pptx
... broad natural range that includes most of Europe and extends into North Africa, Asia Minor, and western SiberiaStudy of natural hybridization between Alnus incana (L.) Moench. and Alnus glutinosa ... RepublicABSTRACT: Variation of metric and qualitative characteristics of A. incana (L.) Moench. and A. glutinosa (L.) Gaertn. has been studied in 10 natural populations in West Siberia, Russia and the Czech ... about somewhat greater frequency of hybridization in the northern boundary of their areas (Latvia, Ireland and others). Hybridization between A. incana and A. glutinosa should be assigned to...
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Báo cáo lâm nghiệp: "Amounts of throughfall and lysimetric water in a sub-mountain beech forest in the Kremnické vrchy Mts" ppt
... 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 and ground) water significantly in uences, ... place, commercial aspects of this fact are reach-ing the top of the agenda. e potential reserves of “suitable” water are continually decreasing, mainly due to negative human activities. riftless...
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Báo cáo lâm nghiệp: "Analysis of herbicide effects on Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) natural regeneration" ppsx
... on high growing stock, wood production and especially the values of mensurational indices attract attention. At Analysis of herbicide effects on Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) ... Effect of site preparation on survival and growth of Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) seedlings. New Forests, 3: 89–98. G L. (1996): Production capacity evaluation of the ... Czech)B F. 2007b): Natural regeneration of Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) in forest stands of Hůrky Training Forest District, Higher Forestry School and Secondary Forestry...
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Báo cáo lâm nghiệp: "Processes of loss, recruitment, and increment in stands of a primeval character in selected areas of the Pieniny National Park (southern Poland" ppt
... and in the Bieszczady and Świętokrzyskie Mountains (J, P Processes of loss, recruitment, and increment in stands of a primeval character in selected areas of the Pieniny National ... 115–131.JAWORSKI A. , KOŁODZIEJ Z., 2002. Natural loss of trees, recruitment and increment in stands of primeval character in selected areas of the Bieszczady Mountains National Park (South-Eastern Poland). ... the smallest among stands of the Pieniny Mountains, but in spite of the growing up stage, it was similar to increments in other Carpathian stands as well as in some sample plots in Badin, Dobročský...
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Báo cáo lâm nghiệp: " Quantification of nutrient content in the aboveground biomass of teak plantation in a tropical dry deciduous forest of Udaipur, Indi" pdf
... nutrient content of aboveground biomass of teak plantation in a tropical dry deciduous forest of Udaipur, Rajasthan, India. e nutrient contents in the total biomass of teak in the plantation ... involved. Plantation species of the genus Acacia, Pinus, Euca-Quantication of nutrient content in the aboveground biomass of teak plantation in a tropical dry deciduous forest of Udaipur, IndiaJ. ... biomass of teak plantation in a tropical dry deciduous forest of Rajasthan, western India. erefore, the main objective of the present study is to quantify the nutrient content of aboveground biomass...
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Báo cáo lâm nghiệp: " Influence of temperatures and precipitation on radial increment of Orlické hory Mts. spruce stands at altitudes over 800 m a.s.l" ppt
... to examine the effect of the most important climatic factors (tem-perature and precipitation) on the radial increment of selected spruce stands in the Orlické hory Mts. MATERIAL AND METHODSResearch ... Influence of temperatures and precipitation on radial increment of Orlické hory Mts. spruce stands at altitudes over 800 m a.s.l. M. R, P. Č, T. K, E. P, T. ŽFaculty of ... from 1888 to 2007.Creation of the climatic time series for the Orlické hory Mts. For the purposes of our research the climatic time series of temperatures and precipitation for the Orlické hory...
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Báo cáo lâm nghiệp: " Growth of wild cherry (Prunus avium L.) in a mixture with other species in a demonstration forest" ppsx
... stand-forming capacity of wild cherry as well as its capacity to keep its position in a stand.MATERIAL AND METHODS A large stand with wild cherry trees as a stand-forming species in the area of Demonstration ... broadleaves such as Quercus robur, Quercus petraea, Tilia sp. and Carpinus betulus (P 2007). Growth of wild cherry (Prunus avium L.) in a mixture with other species in a demonstration forest ... evaluation of growth parameters in clonal test with wild cherry. Journal of Forest Science, 53: 57–65.KOBLIHA J., 2002. Wild cherry (Prunus avium L.) breeding program aimed at the use of...
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Báo cáo lâm nghiệp: "Results of a phenological study of the tree layer of a mixed stand in the region of the Drahanská vrchovina Upland" ppt
... results of phenological monitoring of the tree layer in a mixed stand in the region of the Drahanská vrchovina Upland in 2004–2007. e onset and duration of particular phenological stages are ... can also occur. Phenological data are a certain expression of the climate character of a given region. us, they can contribute to assess the variability of weather and also to evaluate the ... by the Ministry of Education, Youth and Sports of the Czech Republic, Project No. MSM 6215648902.Results of a phenological study of the tree layer of a mixed stand in the region of the Drahanská...
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Báo cáo lâm nghiệp: " Conversion of even aged forest managed under the system involving coupes to selection forest in Klepačov J. Šilhánek" docx
... typical of even- aged forest managed under the system involv-ing coupes. e peak of the curve has been success-fully lowered during the conversion by phytotechnical measures supporting the forest ... degrees in the selection forest can be at-tributed the same informative value as the division into age classes in the even- aged forest (S 1989). e development of the structure of stands in ... all.DISCUSSION The number of trees in the selection forest is determined by the shape of the model curve; it is however, generally lower than in the even- aged forest. In the comparison studies,...
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Báo cáo lâm nghiệp: "Analysis of snow accumulation and snow melting in a young mountain spruce and beech stand in the Orlické hory Mts., Czech Republic" pptx
... in the last decade of April, the snow melting rate in spruce reached about 26 mm/day, in beech about 28 mm/day and in the open area maximally 37 mm/day. All snow melted in spruce and in the ... process of snow precipitation in the spruce and beech stands, snow depth and snow water equivalent were always higher in the leafless broadleaved stand. At the same time, it has been proved that the ... –● rain; ∗ snow; ●∗ rain with snow; ∗● snow with rainStatistical significance of differences in the snow water equivalent in the spruce and beech stands in the period of snow accumulation...
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Báo cáo lâm nghiệp: "Phenology of four broad-leaved forest trees in a submountain beech forest" pptx
... forest trees in Slovakia. Nauka za Gorata – Forest Science, 43: 29–36.SCHIEBER B., 2006b. Spring phenology of European beech (Fagus sylvatica L.) in submountain beech forest stand with various ... deciduous forest tree species (Carpinus betulus L., Fagus sylvatica L., Quercus dalechampii Ten., Tilia cordata Mill.) was studied in a submountain beech forest stand in Central Slovakia. Two spring ... flushing of beech provenances. Silvae Genetica, 44: 343–346.WIELGOLASKI F.E., 1999. Starting dates and basic tempera-tures in phenological observations of plants. International Journal of Biometeorology,...
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Báo cáo lâm nghiệp: "Status of an indigenous agro-forestry system in changing climate: A case study of the middle Himalayan region of Tehri Garhwal, India" potx
... agro-forestry system in changing climate: A case study of the middle Himalayan region of Tehri Garhwal, IndiaC. P. KEcosystem and Environment Management, Indian Institute of Forest Management, ... climate change; conservation and management; Tehri Garhwal e majority of indigenous hill agricultural sys-tems in the Garhwal Himalayan region of India is operated in the rainfed areas and therefore ... hill farmers have maintained close linkages and balances between agriculture, forestry and animal husbandry, and based on these linkages the land use patterns are determined in the Garhwal hills...
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Báo cáo lâm nghiệp: " Changes of the mixed mountain virgin forest after 70 years on a permanent plot in the Ukrainian Carpathians" pps
... 2006. Changes of the mixed mountain virgin forest after 70 years on a permanent plot in the Ukrainian CarpathiansJ. V, J. Š, T. KDepartment of Forest Botany, Dendrology and Geobiocenology, ... beech rotate. In 1934 the stage of disintegration probably pre-dominated in the plot, because total timber volume was rather low and natural regeneration was abun-dant. Nowadays the stage of growth ... growth conditions of the crystalline Eastern Carpathians are fairly different from the con-ditions of Slovakian Carpathian virgin forests (e.g. Badínsky prales, Dobročský prales), the virgin forest...
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Báo cáo lâm nghiệp: "Evaluation of competition and light estimation indices for predicting diameter growth in mature boreal mixed forests" pdf
... CONCLUSIONS In this examination of competition indices for predicting diameter growth in mixed- species forests, we found that theflexible, distance-dependent crowding index was superior toother indices, but ... based indices [6, 7, 27] is also costly to ob-tain in a forest inventory. The similarity amongst the fit of Competition indices in boreal mixed forest 489mechanistically defensible. Lodgepole pine ... Evaluation of some competition indices for the pre-diction of diameter increment in planted white spruce, Can. For. Serv. Inf. Rep. FMR-X-108, 1978.[3] Bartelink H.H., Effects of stand composition and...
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Báo cáo lâm nghiệp: "Conversion of a natural broad-leafed evergreen forest into pure plantation forests in a subtropical area: Effects on carbon storage" pps
... 10.1051 /forest: 2005073Original articleConversion of a natural broad-leafed evergreen forest into pure plantation forests in a subtropical area: Effects on carbon storageGuang-Shui CHEN a , Yu-Sheng ... xylocarpa plantation forest; CK, Castanopsis kawakamii plantation forest; NF, natural forest of C. kawakamii. The abbreviations are the same as elsewhere.2Castanopsis kawakamii is only involved.3Six ... (CK) that grown on a same soil and with the same former forest, natural forest of Castanopsis kawakamii, and an adjacent relict natural forest of Castanopsis kawakamii (NF) that as a control,...
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