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

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

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): 3–10 Composition 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 8 th – Piceeta s. lat. ese AVZ occur in the study area in the Moravskoslezské Beskydy Mts. in...
Ngày tải lên : 07/08/2014, 03:22
  • 8
  • 666
  • 0
Báo cáo lâm nghiệp: "Ecological conditions influencing the localization of egg-laying by females of the cockchafer (Melolontha hippocastani F.)" pps

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
  • 9
  • 302
  • 0
Báo cáo lâm nghiệp: "The results of manipulated experiments with inoculation of Ips typographus (L., 1758) to spruce trees under various levels" potx

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 stress M. T, O. N Faculty of Forestry and Wood Sciences, Czech University of Life Sciences ... Republic ABSTRACT: Manipulated experiments with males of Ips typographus (L., 1758) were conducted in spruce stands in north-western Slovakia. Some...
Ngày tải lên : 07/08/2014, 03:22
  • 6
  • 355
  • 0
Báo cáo lâm nghiệp: "The influence of irradiation on the behaviour and reproduction success of eight toothed bark beetle Ips typographus (Coleoptera: Scolytidae)" doc

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
  • 7
  • 430
  • 0
Báo cáo lâm nghiệp: "Spatio-temporal patterns of the Norway spruce decline in the Beskid Śląski and Żywiecki (Western Carpathians) in southern Poland" pot

Báo cáo lâm nghiệp: "Spatio-temporal patterns of the Norway spruce decline in the Beskid Śląski and Żywiecki (Western Carpathians) in southern Poland" pot

... 38–44 Spatio-temporal patterns of the Norway spruce decline in the Beskid Śląski and Żywiecki (Western Carpathians) in southern Poland W. 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....
Ngày tải lên : 07/08/2014, 03:22
  • 7
  • 392
  • 0
Báo cáo lâm nghiệp: "On the occurrence of web-spinning sawflies of the genus Cephalcia (Hymenoptera, Pamphiliidae) in the Czech Republic" potx

Báo cáo lâm nghiệp: "On the occurrence of web-spinning sawflies of the genus Cephalcia (Hymenoptera, Pamphiliidae) in the Czech Republic" potx

... 57–62 Because 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 59 Table 1. Survey of studied web-spinning sawflies...
Ngày tải lên : 07/08/2014, 03:22
  • 6
  • 352
  • 0
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

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

... 63 JOURNAL 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 w...
Ngày tải lên : 07/08/2014, 03:22
  • 6
  • 479
  • 0
Báo cáo lâm nghiệp: "The root-plant ratio changes in the first growing periods of wild cherry (Prunus avium L.) plantations" pptx

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 p...
Ngày tải lên : 07/08/2014, 03:22
  • 6
  • 332
  • 0
Báo cáo lâm nghiệp: "Variability in density of spruce (Picea abies [L.] Karst.) wood with the presence of reaction wood" potx

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 i...
Ngày tải lên : 07/08/2014, 03:22
  • 9
  • 294
  • 0
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

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). Th...
Ngày tải lên : 07/08/2014, 03:22
  • 10
  • 537
  • 0
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

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

... 349 JOURNAL 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 season I. R 1 , ... effect of planting time and application of the fungal product Ectovit on growth characteristics of seedlings at planting time and...
Ngày tải lên : 07/08/2014, 10:21
  • 10
  • 399
  • 0
Báo cáo lâm nghiệp: "Cross-calibration functions for soil CO2 efflux measurement systems" doc

Báo cáo lâm nghiệp: "Cross-calibration functions for soil CO2 efflux measurement systems" doc

... was tested 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 obtained with ... The forth campaign was 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...
Ngày tải lên : 07/08/2014, 16:20
  • 8
  • 270
  • 0
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

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

... article Interaction of initial seedling diameter, fertilization and weed control on Douglas-fir growth over the first four years after planting Robin ROSE*, J. Scott KETCHUM Vegetation Management ... positive responses to fertilization in the presence of weed control. Their results closely mirrored those of White and Newton [44], with a negativ...
Ngày tải lên : 08/08/2014, 01:21
  • 11
  • 259
  • 0
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

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 note Insect damage to cones and other mortality factors limiting natural regeneration potential of Swiss stone pine (Pinus cembra L) in the northern French Alps L ... seed cones of P cembra, and then to measure the respective impact of insects and other mortality factors on the potential of natural...
Ngày tải lên : 08/08/2014, 18:21
  • 6
  • 342
  • 0

Xem thêm

Từ khóa: