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Báo cáo lâm nghiệp: "The first reaction of soil mite fauna (Acari, Mesostigmata) caused by conversion of Norway spruce stand in the Szklarska Poręba For" potx

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Báo cáo lâm nghiệp: "Composition of psocid taxocenoses (Insecta: Psocoptera) in Fageti-Piceeta s. lat. and Piceeta s. lat. forests in the Western Carpathian Mts" pps

... OF FOREST SCIENCE, 53, 2007 (Special Issue): 3–10Composition of psocid taxocenoses (Insecta: Psocoptera) in Fageti -Piceeta s. lat. and Piceeta s. lat. forests in the Western Carpathian Mts.O. ... Fageti -Piceeta s. lat. and the 8th – Piceeta s. lat. ese AVZ occur in the study area in the Moravskoslezské Beskydy Mts. in the Czech Republic and the Oravské Beskydy Mts. in the Slovakia 2,461 ... 3–10 5Table 1. Values of indexes of diversity and equitability for particular psocid biotopes in the altitudinal vegetation zones of Fageti -Piceeta s. lat. and Piceeta s. lat. Biotope Nsp NNc30...
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Báo cáo lâm nghiệp: "Ecological conditions influencing the localization of egg-laying by females of the cockchafer (Melolontha hippocastani F.)" pps

... relation between the extent of the damage and the individual characteristics of the experimental plots. e relation between the extent of the damage and the method of estab-lishment of the stands ... explored the ecological conditions, which influence the female Melolontha hippocastani F. in their selection of the locality for laying eggs. In the region of mass outbreak of M. hippocastani in the ... SCIENCE, 53, 2007 (Special Issue): 16–24Ecological conditions influencing the localization of egg-laying by females of the cockchafer (Melolontha hippocastani F.)M. ŠForestry and Game Management...
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Báo cáo lâm nghiệp: "The results of manipulated experiments with inoculation of Ips typographus (L., 1758) to spruce trees under various levels" potx

... inoculation of Ips typographus (L., 1758) to spruce trees under various levels of water stressM. T, O. NFaculty of Forestry and Wood Sciences, Czech University of Life Sciences ... RepublicABSTRACT: Manipulated experiments with males of Ips typographus (L., 1758) were conducted in spruce stands in north-western Slovakia. Some of trees were stressed by a lack of water caused ... behaviour of bark beetles on trees under various regime of water stress in declining spruce mono- cultures. Within the frame of which we focus on:– analysis of I. typographus attacks rate on trees...
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Báo cáo lâm nghiệp: "The influence of irradiation on the behaviour and reproduction success of eight toothed bark beetle Ips typographus (Coleoptera: Scolytidae)" doc

... of irradiation on the behaviour and reproduction success of eight toothed bark beetle Ips typographus (Coleoptera: Scolytidae)M. T1, J. V21Faculty of Forestry and Wood Sciences, ... SlovakiaABSTRACT: Irradiation experiments on Ips typographus (L., 1758) with doses of 15 and 30 Gy (cobalt 60) were con-ducted in 2006. e effect of irradiation on the mating behaviour and reproduction success ... however. We can conclude the doses of 15 and 30 Gy do not have a significantly negative effect on the behaviour of ir-radiated males in the preparation of entry holes and the creation of mating chambers....
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Báo cáo lâm nghiệp: "Spatio-temporal patterns of the Norway spruce decline in the Beskid Śląski and Żywiecki (Western Carpathians) in southern Poland" pot

... 38–44Spatio-temporal patterns of the Norway spruce decline in the Beskid Śląski and Żywiecki (Western Carpathians) in southern PolandW. GDepartment of Forest Management in Mountain Regions, ... northern part of Beskidy Mts. was as-sessed as poor, and improving southward – the best was in the southern parts of Beskid Żywiecki. In the recent years, the areas of the occurrence of the Armillaria ... almost the whole area of the West-ern Beskidy region. Along with the increase of the size of salvage cuttings (including the removal of in- fested trees) the area of stands affected by the forest...
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Báo cáo lâm nghiệp: "On the occurrence of web-spinning sawflies of the genus Cephalcia (Hymenoptera, Pamphiliidae) in the Czech Republic" potx

... 57–62Because of the lack of a recent survey of Cephal-cia species in the Czech Republic, the goals of this study were (i) to monitor web-spinning sawflies liv-ing on spruce in mountainous regions ... species occurrence. Canonical axes explain 65.8% of variability J. FOR. SCI., 53, 2007 (Special Issue): 57–62 59Table 1. Survey of studied web-spinning sawflies of the genus Cephalcia in the Czech ... periods of the Cephalcia species flight activities (cf. M- 1988). e flight activity started in the stud-ied localities at the end of May or at the beginning of June depending on the actual...
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Báo cáo lâm nghiệp: " Web-spinning sawflies of the genus Cephalcia Panzer (Hymenoptera, Pamphiliidae) in the Picea abies forests of the Beskidy Mountains (Poland)" pptx

... 63JOURNAL OF FOREST SCIENCE, 53, 2007 (Special Issue): 63–68 Web-spinning sawflies of the genus Cephalcia Panzer (Hymenoptera, Pamphiliidae) in the Picea abies forests of the Beskidy Mountains (Poland)M. ... importance.Keywords: web-spinning sawfly; Picea abies; Cephalcia; Beskidy Mountains; Polande increased level of the occurrence of web spinning sawflies associated with spruce in the Polish part of the Beskidy ... DFMMR), there are more than one thousand specimens of the genus Cephalcia, caught since the beginning of the eighties, mainly during periods of mass outbreaks in the Beskidy Mts. In the while,...
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Báo cáo lâm nghiệp: "The root-plant ratio changes in the first growing periods of wild cherry (Prunus avium L.) plantations" pptx

... that the fine root ratio is stable at least in the first growing period of new plantation and the best growing plants have about the same fine root ratio as the poorly growing ones. Even the regression ... explaining 92% of the relationship.An adequate proportion of fine roots (thinner than 2 mm) in the root system is another important parameter of planting stock and thus the changes in the ... from the regression analysis.Our interpretation of the data is that the efficiency of root system in terms of plant growth remains stable at least in that first growing period of plant in the...
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Báo cáo lâm nghiệp: "Variability in density of spruce (Picea abies [L.] Karst.) wood with the presence of reaction wood" potx

... remarkable increase in wood density along the stem radius in all the models. In the CW zone, the increase is more distinct in the first 40 years of growth, then the wood density stagnates. In the other ... trend when density increases with the increasing percentage of compression wood in the sample. When there is 10% of compression wood in the total area of the sample front, the wood density is ... expand the know- ledge of the properties of Norway spruce (Picea abies [L.] Karst.) wood with the presence of reac-tion wood. J. FOR. SCI., 53, 2007 (3): 129–137 133e in uence of the radius...
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Báo cáo lâm nghiệp: "The first reaction of soil mite fauna (Acari, Mesostigmata) caused by conversion of Norway spruce stand in the Szklarska Poręba For" potx

... occurrence of beech we can observe that on the converted plots the domination of Uropo-dina mites was increased and domination rate of Parasitidae mites was decreased. Similar results of the reaction ... reaction of this group of mites to increas-ing amount of broadleaves in tree-stands were presented in “common-garden” forest experiment (S 2007). The reaction to conversion of selected mite ... order mites.(2) e first reaction of Mesostigmata mites after starting of forest conversion was increasing number of species in the plots. On the plots with relatively close occurrence of beech,...
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Báo cáo lâm nghiệp: "Survival and growth of outplanted seedlings of selected tree species on the High Tatra Mts. windthrow area after the first growing season" pps

... 349JOURNAL OF FOREST SCIENCE, 57, 2011 (8): 349–358 Survival and growth of outplanted seedlings of selected tree species on the High Tatra Mts. windthrow area after the first growing seasonI. R1, ... effect of planting time and application of the fungal product Ectovit on growth characteristics of seedlings at planting time and after the first growing season on the research plot in the High Tatra ... reforestation; outplanting time; fungal inoculation; bareroot seedlings; containerized seedlings Southern foothills of the High Tatra Mts. with almost 2.5 million m3 of fallen wood on the area of...
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Báo cáo lâm nghiệp: "Cross-calibration functions for soil CO2 efflux measurement systems" doc

... wastested at Vielsalm forest campaign for all systems except for the “PP-Or” system. For this purpose, measurements performed with the dif-ferent particular protocols were compared to measurements obtainedwith ... The forth campaignwas performed in the Chaux forest (June 2004) with “Li-62”, “Li-He”, “PP-Ch” and “PP-Or” on 29 PVC collars. The collars were in-serted in the forest soil 2 weeks before measurements. ... P.M., Below-canopy and soil CO2 efflux in ponderosa pine forest, Agric. For. Meteorol. 94(1999), 171–188.[13] Le Dantec V., Epron D., Dufrene E., Soil CO2 efflux in a beechforest: comparison of...
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Báo cáo lâm nghiệp:"Interaction of initial seedling diameter, fertilization and weed control on Douglas-fir growth over the first four years after planting" ppsx

... articleInteraction of initial seedling diameter, fertilization and weed control on Douglas-fir growth over the first four years after plantingRobin ROSE*, J. Scott KETCHUM Vegetation Management ... positiveresponses to fertilization in the presence of weed control. Their results closely mirrored those of White and Newton[44], with a negative response to fertilization in the absence of weed control. ... sites.2.3. Vegetation control treatmentsTwo vegetation control treatments were used: control of all vege-tation for two years and control of all vegetation for three years. Veg-etation control was accomplished...
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Báo cáo lâm nghiệp: "Insect damage to cones and other mortality factors limiting natural regeneration potential of Swiss stone pine (Pinus cembra L) in the northern French Alps" doc

... but Short noteInsect damage to cones and other mortality factors limiting natural regeneration potential of Swiss stone pine (Pinus cembra L) in the northern French AlpsL ... seed cones of P cembra, and then to measure the respective impact of insects and other mortality factors on the potential of natural regeneration of stone pine forests. Insect damage ... the type and importance of damage (Roques, 1983). Insects were either preserved in 70% alcohol or raised to the adult stage.RESULTSCone entomofauna of Swiss stone pine Three...
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