Báo cáo lâm nghiệp: "Spatial distribution of four spruce bar

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. CONCLUSIONS I. 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...

Ngày tải lên : 07/08/2014, 03:22

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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 th...

Ngày tải lên : 07/08/2014, 04:20

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Báo cáo lâm nghiệp: " The applicability of the Pipe Model Theory in trees of Scots pine of Poland" ppsx

... conﬁrmed by the study of N (1961), who stated that the percentage of heartwood in Scots pine decreased with an increase in the length of the live crown and an increase in the widths of the ... the incidence of pipes conductively inactive or periodically inactive. In the dynamic model of crown structure it would be necessary to consider the...

Ngày tải lên : 07/08/2014, 10:22

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Báo cáo lâm nghiệp: "Population genetics of Norway spruce (Picea abies Karst.) at regional scale: sensitivity of diﬀerent microsatellite motif classes in detecting diﬀerentiation" pps

... 10.1051/forest:2006029 Original article Population genetics of Norway spruce (Picea abies Karst.) at regional scale: sensitivity of different microsatellite motif classes in detecting differentiation Ivan S a,b * , ... type and mutation rate on the resulting pattern of differentiation. A further source of variation in the estimates of genetic di...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Spatial and temporal diversity of wood decomposer communities in diﬀerent forest stands, determined by ITS rDNA targeted TGGE" potx

... al. and giving a more realistic view of total diversity [1]. The use of internal transcribed spacer (ITS) primers to amplify fungal ITS of rDNA was originally described by White et al. [32] and ... currently represented in databases. It was also realized that single bands did not necessarily originate from one species and that one band could contain Wood decomposer...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "An analysis of ecophysiological responses to drought in American Chestnut" ppt

... the undocumented ecophysiological responses of pure American chestnut to water stress, and the approaching reintroduction of resistant hybrids, the timing is right to assess the ability of the species to survive ... eﬃciency of American chestnut seedlings increases in response to water stress regard- less of the environment under which the seedlings were grown. Thi...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "ree nutrition of Norway spruce as modiﬁed by liming and experimental acidiﬁcation at the Höglwald site, Germany, from 1982 to 2004" pdf

... 10.1051/forest:2006069 Original article Tree nutrition of Norway spruce as modified by liming and experimental acidification at the Höglwald site, Germany, from 1982 to 2004 Christian H * , Wendelin W ,AxelG ă Fachgebiet ... effects of forest liming are the deacidification of soil and seepage water, and the increase in Ca and Mg sup- ply of...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Radial distribution of sap ﬂux density in trunks of a mature beech stand" pot

... M., Adiku S., Kakubari Y., In uences of environmental factors on the radial pro- file of sap flux density in Fagus cr enata growing at different el- evations in the Naeba Mountains, Japan, Tree Physiol. ... were probably intercepting enough light or had an above- average leaf area/basal area ratio. Vincke et al. [27] found that Ann. For. Sci. 64 (2007) 431–438 Available online...

Ngày tải lên : 07/08/2014, 16:21

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Báo cáo lâm nghiệp: "Spatial dynamics of late successional species under Pinus nigra stands in the northern Apennines (Italy)" pps

... results of the spatial analysis of late- successional species regeneration in three plots of artificial Pinus nigra stands in the northern Apennines. For each species forming NR we describe both point ... 669679 â INRA, EDP Sciences, 2005 DOI: 10.1051/forest:2005059 Original article Spatial dynamics of late successional species under Pinus nigra...

Ngày tải lên : 08/08/2014, 00:22

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Báo cáo lâm nghiệp: "Genetic variation of Pinus pinaster Ait. seedlings in susceptibility to the pine weevil Hylobius abietis L." docx

... (2005) 681688 â INRA, EDP Sciences, 2005 DOI: 10.1051/forest:2005064 Original article Genetic variation of Pinus pinaster Ait. seedlings in susceptibility to the pine weevil Hylobius abietis L. Rafael ... level of genetic variation in the susceptibility to pine weevil damage in a subset of the actual P. pinaster breeding population in Gali...

Ngày tải lên : 08/08/2014, 00:22

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Báo cáo lâm nghiệp: "Habitat distribution of dipterocarp species in the Leyte Cordillera: an indicator for species – site suitability in local reforestation programs" ppt

... the Leyte Cordillera: an indicator for species – site suitability in local reforestation programs Gerhard LANGENBERGER* Institute of Plant Production and Agroecology in the Tropics and Subtropics ... on the western side of the mountain range are actually typical species of the coastal plains which found their refuge in the rugged western foo...

Ngày tải lên : 08/08/2014, 00:22

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Báo cáo lâm nghiệp: "Allozyme variation of Pinus pallasiana D. Don in Natural Crimean populations and in plantations in technogenously-polluted areas of the Ukraine steppes" ppsx

... diversity. The main locations of the larger provenances (Fig. 1 and Tab. I) are: (a) the southern macro-slope of the main range of the Crimea mountains, 3 natural stands coded C; (b) the Ukraine steppe ... also within the Crimea populations. They defined this pine as one of the most variable within the genus Pinus. Moreover, most of the afforestation pr...

Ngày tải lên : 08/08/2014, 01:21

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Báo cáo lâm nghiệp: "Are ecophysiological responses influenced by crown position in cork-oak?" ppsx

... refer to north and south directions, which Short note Are ecophysiological responses influenced by crown position in cork-oak? G Oliveira, C Werner, O Correia Secỗõo de Ecologia ... contribution was similar in all sections of the canopy, as a consequence of different leaf performances according to position in the crown. On the other hand,...

Ngày tải lên : 08/08/2014, 18:21

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Báo cáo lâm nghiệp: "Internal levels of plant growth regulators during in vitro culture of wild cherry (Prunus avium L.)" doc

... and benzyladenine during in vitro bud growth induc- tion of wild cherry (Prunus avium L.). Plant Growth Regul. 8, 325-333 Leroux B., Maldiney R., Miginiac E., Sos- sountzov ... Internal levels of plant growth regulators during in vitro culture of wild cherry (Prunus avium L.) P. Label 1 D. Cornu B. Sotta 2 E. Miginiac 1 IN...

Ngày tải lên : 09/08/2014, 04:20

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Báo cáo lâm nghiệp: " Diurnal evolution of water flow and potential in an individual spruce: experimental and theoretical study" pps

... spatiales. Oecol. Plant. 2, in press Jarvis P. (1975) Water transfer in plants. In: Heat and Mass Transfer in the Biosphere. Part 1. Transfer Processes in Plant Environment. ... obtain an estimation of the total re- sistance of the transpirational pathway (Fig. 3). It is possible to determine the 3 parameters (2 resistances and 1 capa...

Ngày tải lên : 09/08/2014, 04:20

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