Báo cáo lâm nghiệp: "Effects of artificial damage on the branching pattern of Nothofagus dombeyi (Nothofagaceae)" ppsx

... assess the effects of traumatic factors on the branching pattern of N. dombeyi through artificial interventions on shoots. The second-ary objectives were the evaluations of differences in the branch-ing ... the size of the largest branch and the mean size of the otherbranches on a particular shoot of N. dombeyi depends on anumber of factors such as the type of axis of the tree [45], the individual ... not be the case when damage involves the distal nodes of N. dombeyi shoots, since none of the treatments applied here affected the position of the mostproximal branches on shoots. On the other...

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

... 2004).RESULTS AND DISCUSSIONKrušné hory Mts. – regenerationFig. 1 illustrates the distribution of regenera-tion on inventory plots in the territory concerned. Regeneration on only one subplot was suﬃcient ... proportion of individuals damaged by fraying (in this category) approaches 10% (8.2% of damaged individuals). Of that the proportional share of the other deciduous tree species (33.1% of individuals) ... Reduction of regen-eration during repeated measurementNon-forest No change in presence of regenerationPresence of regeneration only by 1st measurementPresence of regeneration only by...

Báo cáo lâm nghiệp: "Environmental risk assessment based on semi-quantitative analysis of forest management data" pptx

... check the suitability of the de-signed model for the prediction. Deviance residu-als are based on the contribution of the observed responses to the log-likelihood statistic, while Pearson χ2 ... to the frequent neglect of tending and forest sanitation measures on the part of small owners. In the Orava region, where the disturbance pattern is in transition between the previous regions, ... parameters of the discriminant model, used for the estimation, whether the critical damage occurred or did not occur in the Low Tatras region, as a surrogate of direct visual classiﬁ cation of forest...

Báo cáo lâm nghiệp: "Leaf eating insect damage on diﬀerent poplar clones and sites" ppt

... inﬂuence of clones and sites The concordance between the clones and sites classiﬁca-tions also allows drawing a conclusion of special interest topoplar planters. The extent of the damage to the ... father unknown (=Wind pollinated). Keyto the common parents: clones with the same mother: Mx; clones with the same father: Px; clones with the same mother and father: Mx + Px.Insect damage on ... 10.61questions are to rank the clones in function of the damage suﬀered. Concerning this last point, the clones examined inthis experiment are never commercialised all together in any of the countries...

Báo cáo lâm nghiệp: "Morphological and functional variability in the root system of Quercus ilex L. subject to conﬁnement: consequences for aﬀorestation" ppt

... limita-tion to the main root growth by shortening its length to the depth of the container and preventing the development of re-placement taproots. The conﬁning of lateral roots in the con-tainer ... were then calculated: altitude-slope (the regression slope of Log10a on Log10µ) and pathlength-slope (the regression slope of Log10pe on Log10µ). High values of these indexes (with a theoreti-cal ... particular, the herringbone and di-chotomous structures are extreme cases of a wide range of topologies. The herringbone system appears when branching is conﬁned to the main axis, hence resulting in the...

Báo cáo lâm nghiệp: "Diurnal and seasonal fluctuations in the bark respiration of standing Quercus acutissima trees in Nakaizu, Japan" docx

... parts of the stem and on fine days during the growing season. On cloudy and rainy days, the depressionDiurnal and seasonal fluctuations in the bark respiration of standing ... throughout the day. In the stem near the ground, the xylem tem-perature was constant at any time of daybecause of the cooling effect of the sapflow, corresponding to the ... the day, and the difference between the daily maximumand minimum values of respiration rates in the upper part of the stem was greaterthan that of the lower part of...

Báo cáo lâm nghiệp: "Ultrastructural and biochemical changes at the preinfection stage of mycorrhizal formation by two isolates of Pisolithus tinctorius" ppt

... comparison of the earlyevents of infection between E. urophyllaand both strains of P. tinctorius showsimportant differences at the interface.Indeed, it seems that the plant ... quiteimportant for the controlled utilization of mycorrhizal symbionts in plantation man-agement.Presently, we do not have any know-ledge regarding the nature of the signalfrom ... localized along the plasmalem-ma. With strain 270, acid phosphataseactivity was detected only in fungalvacuoles (Fig. 8, x 4600).Discussion and Conclusion The ultrastructural...

Báo cáo lâm nghiệp:"Effects of field vegetation control on pine weevil (Hylobius abietis) damage to newly planted Norway spruce seedlings" ppt

... because of the risk of overheating due to sudden exposure to solar radiation [1]and/or because of the greater risks of predation on this sub-strate. Therefore, it is likely that the benefits of ... evident,although there were only small amounts of vegetation on thesesites. Observed changes over time on scarified patches ormounds, besides the establishment of field vegetation, include the accumulation ... are colonised by hairy grass too, but also with sev-eral other types of field vegetation. In addition, mosses com-monly colonise the mineral soil.This study concentrates on the relationship...

Báo cáo lâm nghiệp: "Effects of drainage treatment and stand growth on changes in runoff components from a forested watershed" pps

... recession limb and determining only the runoﬀ con-stituents and their comparison also in the process of time. Similarly, the inﬂuence of land use changes on the ratio of runoﬀ components (surface ... of runoﬀ can be related to the loss and restoration of both interception and transpiration. On the other hand, the drainage-induced change led to diﬀerent runoﬀ situation persisting till the ... respectively), the greater amount of slowly running water conﬁrms that overland ﬂow is absent under conditions of forest environment. Not even the drainage treatment has altered this positive ratio of the...

Báo cáo lâm nghiệp: "Effects of nitrogen on the selection of food by Phyllobius arborator (Herbst)" pot

... (1988) mentions similar results in the increased consumption of food in the creation of a fat body in females of Lochmaea caprae (L.) Diﬀerences of imagoes in the consumption of food in particular ... Weevils of the genus Phyllobius – consumption of food on birch aﬀected by diﬀerentiated inputs of nitrogenFig. 7. e weight of the dry matter of birch leaves aﬀected by the application of ammonium ... evaluation.RESULTSEﬀects on a nutritive plantA basic condition of the rapid increase in the nitro-gen content in birch leaves was demonstrated by the analysis of its level in the dry matter of...

Xem thêm

Từ khóa: Báo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018 Một số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTP Nghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt nam Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit ĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN ĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN Quản lý hoạt động học tập của học sinh theo hướng phát triển kỹ năng học tập hợp tác tại các trường phổ thông dân tộc bán trú huyện ba chẽ, tỉnh quảng ninh Nghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chế Nghiên cứu tổng hợp các oxit hỗn hợp kích thƣớc nanomet ce 0 75 zr0 25o2 , ce 0 5 zr0 5o2 và khảo sát hoạt tính quang xúc tác của chúng Thơ nôm tứ tuyệt trào phúng hồ xuân hương Thiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khí Chuong 2 nhận dạng rui ro Tổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)Tăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vật BÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘI Đổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt nam