Báo cáo lâm nghiệp: "Spatio-temporal pattern of bog pine (Pinus uncinata var. rotundata) at the interface with the Norway spruce (Picea abies) belt on the edge of a raised bog in the Jura Mountains, Switzerland" doc
Báo cáo lâm nghiệp: " Flight activity of Anthribus nebulosus Forster, 1770 (Coleoptera: Anthribidae) and notes to its life history" potx
... 17°58'46.72''E, 460 m a.s.l.; Flight activity of Anthribus nebulosus Forster, 1770 (Coleoptera: Anthribidae) and notes to its life historyJ. H1,2, M. T31Forestry and Game Management Research ... consump-tion, mating behavior, and shelter selection of Anthribus nebulosus Forster (Coleoptera: Anthribidae), an introduced predator of scale insects in Virginia. Virginia Journal of Science, 34: 237–250.KOSZTARAB ... fact that the flight activity of both sexes is the same. J. FOR. SCI., 53, 2007 (Special Issue): 11–15 15Letová aktivita Anthribus nebulosus Forster, 1770 (Coleoptera: Anthribidae) a poznámky...
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Báo cáo lâm nghiệp: "Spatial distribution of four spruce bark beetles in north-western Slovakia" pps
... traps give information influenced by mi-gration of beetles. CONCLUSIONSI. 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 pattern of bark beetles ... Ips typographus L. remained dominant species on majority of sites having high intensity of infestation. Lower altitudes in the south-eastern part of the region were often infested by I. duplicatus...
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Báo cáo lâm nghiệp: "Initial evaluation of half-sib progenies of Norway spruce using the best line" potx
... selection of the best plus trees based on the performance of their half-sib progenies (R1); response to selection of the best half-sib progenies (R2); 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-sib progenies of Norway spruce using the best ... First, they are linearly related to the observations in Y. Second, they are unbiased in the sense that the average value of the estimate (with respect to the distribution of Y) is equal to the...
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Báo cáo lâm nghiệp: "Complex study of foliage nutrient status in ash fertilized Scots pine stands in Lithuani" pptx
... 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 foliage nutrient status in the Scots pine ... found that compensa-Complex study of foliage nutrient status in ash fertilized Scots pine stands in LithuaniaI. V-K1,21Lithuanian University of Agriculture, Akademija,...
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Báo cáo lâm nghiệp: "Value production of poplar clones'''' ppt
... e direct costs of the production of 1 m3 of raw wood assortments were derived by means of the product of SH/m3 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 clones. Journal of Forest ... considerably older age. The value production of the stands of poplar clones is the final form of its expression. It in-tegrates volume wood production, structure of timber assortments, wood prices...
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Báo cáo lâm nghiệp: " Production potential of Douglas fir at mesotrophic sites of Křtiny Training Forest Enterprise" ppsx
... 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. KFaculty 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 with the registered proportion of Douglas ... are to assess the production potential of Douglas fir at mesotrophic sites of uplands (the 2nd or the 3rd forest vegetation zone). In assessing production capacities of introduced species...
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Báo cáo lâm nghiệp: " Floodplain forests of Litovelské Pomoraví and their management" pps
... stability according to M (1994) and the level Floodplain forests of Litovelské Pomoraví and their managementI. MDepartment of Biology, Faculty of Education, Palacký University in ... forests in the Litovelské Pomoraví PLAFig. 5. Proportions of age class areas of floodplain forests in the Litovelské Pomoraví PLA% total area of floodplain forests Degrees of natural condition0501001502002503003501 ... overview of forest types and their representation in the floodplain forest of Litovelské Pomoraví are presented in Table 2.Type and age structure of the forest geobiocoenosise type structure of...
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Báo cáo lâm nghiệp: "Different technologies of floodplain forest regeneration from the aspect of soil changes" pot
... 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 protects the soil from dramatic changes in soil in such ... is is confirmed by the results from the Lednice locality (participation of ash). e higher the number of plant species in the stand, the more complex the impact on the soil they exert (P...
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Báo cáo lâm nghiệp: "Current possibilities of using Norway spruce (Picea abies [L.] Karst.) in forest regeneration in the air-polluted region of the northeastern Krušné hory Mts" doc
... possibilities of using Norway spruce (Picea abies [L.] Karst.) in forest regeneration in the air-polluted region of the northeastern Krušné hory Mts.P. K, O. MFaculty of Forestry and ... parts of the stands) than in the Krušné hory Mts. (with underplanting realized inside the stands) was also a reason for the relative failure of underplanting in the existing spruce stands in the ... Results show that the growth of Norway spruce in the Krušné hory Mts. on these groups of forest types is identical to that on GFT 7K in the Krušné hory Mts. or on GFT 6K in the Bohemian-Mora-vian...
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Báo cáo lâm nghiệp: "Cambioxylophagous fauna of young spruce stands damaged by snow in the Beskids" potx
... gradual. At the end of the growing season, 66% of phloem remained live or in the first stage of wilting. ere is available wood for the invasion of secondary cambiophages in the following growing ... colonized the breaks in particular. e upper and the lower side of the lying breaks-off differ in the intensity of attack and the degree of cover of these species. In young broken and open stands ... the invasion of bark beetles at the turn of June/July and at the end of the growing season, 90% of phloem being heavily wilted or dead. On standing breaks, the progress of the phloem dying...
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Báo cáo lâm nghiệp: " Feeding ecology of pine shoot beetles (Tomicus spp.) in tree crowns of Scots pine (Pinus sylvestris L.) stands under one-year outbreak" pptx
... Results of studies have indicated that some quantitative aspects of beetle feeding in Feeding ecology of pine shoot beetles (Tomicus spp.) in tree crowns of Scots pine (Pinus sylvestris L.) stands ... distribution of losses in growth of trees caused by the feeding of pine shoot beetles Tomicus piniperda and T. minor (Col., Scolytidae) in Scots pine stands growing within range of the in uence of a ... Scots pine crowns. Feeding of beetles in pine shoots in 2002–2006 Scots pine unpeeled timber stored in the amount of 500 m3 became a source of the mass reproduction of pine shoot beetles. ...
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Báo cáo lâm nghiệp: " Current state of beech bark necrotic disease in southern Poland" ppt
... 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 PolandA. C, I. MInstitute of Forest Ecology of the Slovak Academy of Sciences, Zvolen, SlovakiaABSTRACT: e degree of the beech bark ... vectors of beech necrotic disease of the tracheomycotic type. Ekológia (Bratislava), 20: 404–413.MIHÁL I., CICÁK A., 2003. State of necrotic disease of beech in the growth phase of natural seeding...
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Báo cáo lâm nghiệp:"Succession from bog pine (Pinus uncinata var. rotundata) to Norway spruce (Picea abies) stands in relation to anthropic" docx
... Succession from bog pine to Norway spruce stands 351Table I. Vegetation tabular of the phytocoenotic relevés and their synusial relevés in the bog pine stand of phytocoenosis No 1 and in the bog pine ... A., Schweingruber F.H., Gobat J M., Standstructure, invasion, and growth dynamics of bog pine (Pinus uncinata var. rotundata) in relation to peat cutting and drainage in the Jura Mountains, Switzerland, ... 25,35]. In Jura bogs, even-aged stands of bog pine developing ondeep and oligotrophic peat reflect mainly drainage and peatcuttings [17]. The pine population of the bog pine- spruce mixed stand in...
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Báo cáo lâm nghiệp: "Spatio-temporal pattern of bog pine (Pinus uncinata var. rotundata) at the interface with the Norway spruce (Picea abies) belt on the edge of a raised bog in the Jura Mountains, Switzerland" doc
... (Pinus uncinata var. rotundata) at the interface with the Norway spruce (Picea abies) belt on the edge of a raised bog in the Jura Mountains, SwitzerlandFranỗois FRELẫCHOUX a, b,c*, Alexandre ... Gobat J M., Standstructure, invasion and growth dynamics of bog pine (Pinus uncinata var. rotundata) in relation to peat cutting and drainage in the Jura Mountains, Switzerland, Can. J. For. Res. ... Buttler A. , Gillet F., Gobat J M., Succession from bog pine (Pinus uncinata var. rotundata) to Norway spruce (Picea abies) stands in relation to anthropic factors in Les Saignolis bog, Jura Mountains,...
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Báo cáo lâm nghiệp: "Modelling branchiness of Corsican pine (Pinus with mixed-effect models nigra Arnold ssp. laricio (Poiret) Francis" pps
... over the trees. Original articleModelling branchiness of Corsican pine with mixed-effect models (Pinus nigra Arnold ssp. laricio (Poiret) Maire)Céline MeredieuFrancis ColinbJean-Christophe ... Corsican pine. 2. MATERIALS AND METHODS2.1. Structural development of Corsican pine This study concerns Corsican pine (Pinus nigra Arnold ssp. laricio (Poiret) Maire var.corsicana). ... influence of silvicultural practices on knottiness and canopy struc-ture, models were constructed to predict branch characteristics of Corsican Pine (Pinus nigra Arnold ssp. laricio...
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