Báo cáo lâm nghiệp:"Optimisation of inoculation of Leucaena leucocephala and Acacia mangium with rhizobium under greenhouse conditions" docx

Báo cáo lâm nghiệp: "This special issue of the Journal of Forest Science is a result of the international conference Species Diversity, Population Structure and Impact of Animals and" pdf

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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...

Báo cáo lâm nghiệp: "Contribution to knowledge of Hylesinus fraxini (Panzer, 1779) (Coleoptera: Scolytidae) natural enemies from Northern Moravia (Czech Republic)" pdf

... 53JOURNAL OF FOREST SCIENCE, 53, 2007 (Special Issue): 53–56Contribution to knowledge of Hylesinus fraxini (Panzer, 1779) (Coleoptera: Scolytidae) natural enemies from Northern Moravia (Czech ... recorded. e most abundant parasitoid was Eurytoma morio Boheman, 1836 (44.1% from the total number of all reared parasitoids; 23.8% of the total mortality), subsequently Eurytoma arctica omson, 1876 ... predators; parasitoids; natural enemies; bark beetles; Hylesinus fraxini; anasimus formicarius; Cheiro- pachus quadrum; Eurytoma morio; Eurytoma arctica; Czech Republic; Central EuropeHylesinus...

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...

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,...

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...

Báo cáo lâm nghiệp: "About the benefits of poststratification in forest inventories" potx

... (1 n/N) ì 2/n, independently of the original dis-tribution of the variable of interest. Here, although the estimate of the true mean is unbiased and the variance of the mean decreases ... samples of size 100, 32 of size 110, and 4 of size 121. In sampling a nonrectangular area, variability of the sample size will further be increased depend-ing on the irregularity of the particular ... 139JOURNAL OF FOREST SCIENCE, 53, 2007 (4): 139–148 Poststratification is well known as a means of increasing the precision of estimates in unstratiﬁed sampling by incorporating additional information...

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,...

Báo cáo lâm nghiệp: "An economic aspect of conversion of Scots pine (Pinus sylvestris L.) stands in the Polish Lowland" docx

... assort-ments with the potential income possible to obtain An economic aspect of conversion of Scots pine (Pinus sylvestris L.) stands in the Polish LowlandA. W1, R. J1, G. R1, ... beginning has been ﬁxed on the basis of the relation of the value of wood increment from the stands which need conversion to the value of average wood increment from stands con-formable to the ... changes in the mean volume of Scots pine stands growing at unsuitable sites and oak stands growing at appropriate sites follow diﬀerent pathways.– e increment rate of the mean value of pine stands...

Báo cáo lâm nghiệp: " Long-term effects of CO2 enrichment on bud phenology and shoot growth patterns of Norway spruce juvenile tree" potx

... Research Intention of Institute of Systems Biology and Ecology, Project No. AV0Z 60870520. Long-term eﬀects of CO2 enrichment on bud phenology and shoot growth patterns of Norway spruce juvenile ... acceleration of bud phenology result in prolonga-tion of the shoot growth period and in a subsequent enhancement of wood production (B 1994). e eﬀect of long-term (months and years) CO2 enrichment ... the bud scales, and 4 – leaf per needle elon-gation). Shoot elongation growth was observed on exposed and shaded apical (ExA and ShA) and exposed and shaded lateral (ExL and ShL) buds/shoots....

Báo cáo lâm nghiệp: "Some methodological aspects of the National Forest Inventory and Monitoring in Slovakia" pptx

... main tree species, the input data being the tree diameter and height, quality of the bottom third of the stem (A, B, C), stem damage (yes, no), and in the case of the beech also the age and ... for assessing the forest state – survey of natural conditions and forest ecology, detection of forest stands condition for forest management needs, and the national monitoring of forest health ... variables by the same method and at the same place over a longer time period. Data is collected using the computer-Some methodological aspects of the National Forest Inventory and Monitoring in SlovakiaŠ....

Báo cáo lâm nghiệp: "an Phytophthora quercina have a negative impact on mature pedunculate oaks under ﬁeld conditions" pptx

... no data on water relations and mineralnutrition is available for infected oaks under ﬁeld conditions.The knowledge about the eﬀects of Phytophthoras on mature oaks under natural conditions ... analysis of the eﬀects of air pol-lution on forests, 4th ed., United Nations Economic Commission Impact of P. quercina on mature oaks 671for Europe Convention on Long-range Transboundary AirPollution: ... 2005; accepted 10 March 2006)Abstract – Ten oak stands in southern Sweden were investigated to evaluate the impact of the root pathogen Phytophthora quercina on mature oaks under ﬁeld conditions....

Báo cáo lâm nghiệp: "Short-term effects of fire on plant cover and soil conditions in two Austrocedrus chilensis (cypress) forests in Patagonia, Argentina" potx

... 6371â INRA, EDP Sciences, 2006DOI: 10.1051/forest:2005098Original articleShort-term effects of fire on plant cover and soil conditions in two Austrocedrus chilensis (cypress) forests in Patagonia, ... changes in understory and overstory, and in the patterns of soil temperature and moisture in burnedcypress forests of Patagonia. Once fire disturbance occurs, theduration and magnitude of post -fire ... post -fire effects on plant cover, in soil temperature (0, 5, 20, and 30 cm depth) and moisture (0–16, 20–36, and 40–56 cmdepth) were analyzed for two years in two cypress stands in Patagonia,...

Báo cáo lâm nghiệp:"Optimisation of inoculation of Leucaena leucocephala and Acacia mangium with rhizobium under greenhouse conditions" docx

... articleOptimisation of inoculation of Leucaena leucocephala and Acacia mangium with rhizobium under greenhouse conditionsDiégane DIOUFa, Sylvain FORESTIERb, Marc NEYRAc and Didier LESUEURb*a ... concerned the optimization of inoculation of two agroforestry species of woody leguminous plants: Leucaena leucocephala and Acacia mangium with various strains of rhizobium. First, we showed ... published and used for the inoculation of the tested species of woody legumes.For Acacia mangium Strain used Methodology of inoculation Size of inoculum Type of experience Time of inoculation...

Báo cáo lâm nghiệp:"Seedling root growth of six broadleaved tree species grown in competition with grass under irrigated nursery conditions" pptx

... primarily to investi-gate some of the changes that occur in the seedling root sys-tems of 6 species of forest tree (Tab. I) when grown in compe-tition with grass under nursery conditions, and secondarilywhether ... 10.1051/forest:2003052 Original articleSeedling root growth of six broadleaved tree species grown in competition with grass under irrigated nursery conditionsRalph HARMER*, Malcolm ROBERTSONForest ... weekly intervals. Height, dry weights,lengths of roots, and numbers of lateral roots and root tips of tree seedlings were assessed. Overall, competition with grass had little effect onseedling...

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