Báo cáo lâm nghiệp: "Early vegetation dynamics of Pinus trop

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

Ngày tải lên : 07/08/2014, 03:22

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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

... 38–44 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

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

... 53 JOURNAL OF FOREST SCIENCE, 53, 2007 (Special Issue): 53–56 Contribution 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 mortal...

Ngày tải lên : 07/08/2014, 03:22

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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

... 57–62 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

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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

... 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

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Báo cáo lâm nghiệp: "Successful under-planting of red oak and black cherry in early-successional deciduous shelterwoods of North America" ppsx

... early-successional forest stands with red oak and black cherry was tested as a way of improving productivity on abandoned agricultural land of North American temperate deciduous forests. A partial ... associated with increased growth of black cherry. Both height and diame- ter growth were increased, pointing to an increase in available light at the top of the se...

Ngày tải lên : 07/08/2014, 16:20

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Báo cáo lâm nghiệp: "Long-term evolution of understorey plant species composition after logging in chestnut coppice stands (Cevennes Mountains, southern France)" ppsx

... 9 plant species) . However, ten years after logging, species richness was always significantly higher than before the logging. Figure 2. Evolution of mean species richness after logging of a chestnut ... CONCLUDING REMARKS In our study, the temporary large increase of plant species richness observed especially after clear-cutting, but also after thinning,...