Báo cáo lâm nghiệp: "Direct sowing of holm oak acorns: effects of acorn size and soil treatment" ppsx
Báo cáo lâm nghiệp: "Direct sowing of holm oak acorns: effects of acorn size and soil treatment" ppsx
... rooting of holm oak seedlings after direct sowing of the acorns, such as acorn size and pre -sowing soil preparation.2. MATERIALS AND METHODSIn autumn 2002 (early November), acorns of different sizes ... EDP Sciences, 2006DOI: 10.1051/forest:2006079Original articleDirect sowing of holm oak acorns: effects of acorn size and soil treatmentFrancisco Bruno N a*, María Noelia J´a, ... months, the development of the size and weightDirect sowing of holm oak acorns 965Table III. Characteristics of the pedological profile of the untreated soil (control) and in the planting beds...
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Báo cáo lâm nghiệp: "Environmental risk assessment based on semi-quantitative analysis of forest management data" pptx
... Kysuce and Orava re-gions in directions of the highest variability of site and stand conditions. Sample plots approximately 1 ha in size and rep-resentative of the surrounding forest stand were ... position towards the focus of biotic pest activity, stand age, and the proportion of spruce in a given stand. e fourth Table 2. Forest damage classifi cation and assignment of binary values to “critical ... highest probability of critical damage occurrence was as-sociated with older stands, higher proportion of spruce, location in the vicinity of the focus of biotic agent activity, and growing at...
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Báo cáo lâm nghiệp: "Red deer density in the air-polluted area of forest ecosystems in the Krušné hory" pdf
... development and management of game popula-tions (M et al. 2001). Methods of counting faecal pellets are relatively cheap and quick. How-ever, the knowledge of a defecation rate and a pe-riod of ... between the density of game and particular groups of similar biotopes.Keywords: deer count; pellet group; red deer Supported by Ministry of Education, Youth and Sports of the Czech Republic, ... 6215648902. e density of game is estimated in forest stands by means of indirect methods, most often by count-ing faecal pellets (P 1984). Accurate and precise estimates of abundance are required...
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Báo cáo lâm nghiệp: " A state-space approach to stand growth modelling of European beech" pot
... the estimates of N and G. The data represent a wide range of stand ages and stand values such as H100, G, N, and Dg(Tab. I,Fig. 1).2.2. Model developmentAny number of stand variables may ... hectare), thereare no systematic effects of the choice of plot sizes. Further, althoughthe span of plot sizes seem large, the majority of plots are approxi-mately the same size (0.25–0.5 ha).Stem numbers, ... informationon percentages of clay, silt, fine sand and coarse sand in the top onemetre of the mineral soil. 2.1. Basic calculationsBased on paired observations of diameter and height, height-diameter...
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Báo cáo lâm nghiệp: "Biomass functions applicable to oak trees grown in Central-European forestry" doc
... Table 2. Stand characteristics of a generated test stand exemplifying the typical management of oak; mean stand height, basal area and stocking density (N) are shown for each stand ageStand Age ... each pair of sites is compared with table values of F-distribution taking into account the amount of parameters and standard deviations of residuals of the tested sites.Reference standFor ... (years)Fig. 3. Frequency histogram of tree diameters (D) for a ficti-tious managed stand of oak at 25, 50 and 100 years of age, site class 3. e corresponding stand characteristics are shown in...
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Báo cáo lâm nghiệp: "SHORT COMMUNICATION The use of cotyledon proteins to assess the genetic diversity in sweet holm oak" potx
... 526–531The aim of the present study was to evaluate cotyledon storage proteins as markers of the genetic diversity in sweet holm oak. MATERIAL AND METHODSSamples of acorns from 40 holm oak trees ... col-lected in some representative regions of holm oak Table 2. Differentiation of globulin diversity within and among eight populations of holm oak Population N acorns HtHsDstGst CO-01 15 ... HtJ. FOR. SCI., 55, 2009 (11): 526–531 527Table 1. Frequencies of each band in 120 acorns and 8 populations of holm oak Zone Band Acorn (n = 120) Population (n = 8)N (%) N (%)C1C 99 82.5 8...
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Báo cáo lâm nghiệp: "Canopy structure and spatial heterogeneity of understory light in an abandoned Holm oak woodland" pps
... structure and understory lightin two strata and two zonesThe Holm oak woodland studied was on average short(mean height of 2.4 m, mean height of individual Holm Tab le I. Mean and standard deviation ... (SD) of canopy height, number of stems and basal area for the 900 1-m2sampling points of the studyplot, and mean and standard deviation of the height, projected area,thickness and volume of ... thanthat of moist temperate and tropical forests (e.g. [8]).The present study explores the effect of land use change onthe canopy structure and the understory light of a Holm oak woodland in central...
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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
... their size, quiet coloration and relatively difficult way of collecting and prepara-tion, they are at the edge of entomologists’ inter-ests. e psocids were studied only in some areas of the ... basis of long-standing studies of “forest pests”, S (1975) considers the geobiocenological units, AVZ and groups of forest types, as suitable frames for autecological studies of species. ... single habitats of the 7th AVZ occur in the field of the 4th and 5th AVZ.From the view of hydricity (q-axis), habitats of the 7th AVZ are on the same level as those of the 4th–6th...
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Báo cáo lâm nghiệp: " Flight activity of Anthribus nebulosus Forster, 1770 (Coleoptera: Anthribidae) and notes to its life history" potx
... the first half of June in 2006. e size of males and females is very similar. In total, pronotum width of males varied between 0.85 mm and 2.40 mm, and females between 1.00 mm and 2.30 mm. ere ... beginning of May and ended in mid-June with the peak at the end of May and beginning of June in 2005 (Fig. 2). In 2006, the flight activity started later in mid of May and lasted to the beginning of ... the peak at the end of May and beginning of June in 2005. In 2006, the flight activity started later in mid-May and lasted to the beginning of July but was interrupted by cold and rainy weather....
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Từ khóa: chuyên đề điện xoay chiều theo dạngNghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namNghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoạiNghiên cứu tổ hợp chất chỉ điểm sinh học vWF, VCAM 1, MCP 1, d dimer trong chẩn đoán và tiên lượng nhồi máu não cấpGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANPhối hợp giữa phòng văn hóa và thông tin với phòng giáo dục và đào tạo trong việc tuyên truyền, giáo dục, vận động xây dựng nông thôn mới huyện thanh thủy, tỉnh phú thọPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhNghiên cứu về mô hình thống kê học sâu và ứng dụng trong nhận dạng chữ viết tay hạn chếĐịnh tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Tìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThơ nôm tứ tuyệt trào phúng hồ xuân hươngGiáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘITÁI CHẾ NHỰA VÀ QUẢN LÝ CHẤT THẢI Ở HOA KỲQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ