Báo cáo lâm nghiệp: "Ecological and morphological notes on N

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 regio...

Ngày tải lên : 07/08/2014, 03:22

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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 2 1 Faculty of Forestry and Wood Sciences, ... Slovakia ABSTRACT: Irradiation experiments on Ips typographus (L., 1758) with doses of 15 and 30 Gy (cobalt 60) were con- ducted in 2006. e eﬀect...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Regeneration and game damage in the Krušné hory Mts. assessed on the basis of National Forest Inventory of the Czech Republic" pps

... possibilities of National Forest Inventory for the evaluation end, there comes the Inventory of Game Damage in the Smaller Territo- rial Units. CONCLUSION Results from National Forests Inventory ... during repeated investigation in comparison with the rest of the investigated territory. In the course of ﬁve years, in relation to the original po...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Production and humus form development in forest stands established on agricultural lands – Kostelec nad Černými lesy region" potx

... the Ministry of Agriculture of the Czech Republic, Research Project No. QG 50105. Production and humus form development in forest stands established on agricultural lands – Kostelec nad Černými ... composition). e study was performed in the stands of four tree species on aﬀorested agricultural lands, in a neighbouring forest stand on con- tinuo...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: "Effect of stand segmentation on growth and development of Norway spruce stands" pps

... international IUFRO experiment dealing with the ra - tionalization of young spruce stand tending (A 1977). One part of this series, Machov CZ 14 experi- Eﬀect of stand segmentation on growth and ... values (mean and standard deviation) of stand volume (open triangles) and volume of mean stem (grey circles) of spruce stands in Machov experiment at the...

Ngày tải lên : 07/08/2014, 03:22

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Báo cáo lâm nghiệp: " Comparison of deposition fluxes on the open area and in mountain spruce stands of different density" pdf

... within forest stands. e comparison of bulk deposition fluxes of Ca, Mg, K, S-SO 4 , N-NO 3 and N-NH 4 in mountain spruce stands of different stand density and bulk deposition fluxes on the open ... N-NO 3 and N-NH 4 in the mountain spruce stands of different stand density and bulk deposition fluxes on the open area were measured at...

Ngày tải lên : 07/08/2014, 04:20

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Báo cáo lâm nghiệp: "Growth and physiological state of beech seedlings grown in a nursery in diﬀerent light conditions" docx

... to a gap was still lower after 30 days than in the leaves of plants left in the shade and in control seedlings growing in the gap. Photoinhibition in beech seedlings grown in the shade and ... weight and volume of shoots and root systems than seedlings grown in the shade. A higher number of leaves, larger total leaf area and higher dry matter...