Báo cáo lâm nghiệp: "Effects of drainage treatment and stand growth on changes in runoff components from a forested watershed" pps
Báo cáo lâm nghiệp: "Effects of drainage treatment and stand growth on changes in runoff components from a forested watershed" pps
... Hydrotechnical meliorations. Drainage channels. Praha, ČSNI 1993. (in Czech) Drainage (1973): Principles and applications. Part II – eo-ries of drainage and watershed runoff. Wageningen, Interna-tional ... based on the expansion and shrinkage of variable source areas and consequent changes in a drainage network during a discharge event. e runoff investigation was carried out in a forested watershed ... precipitation minus interception, in ltration, evaporation and storage losses (H 1988; K 1996).First, the effects of drainage treatment and stand growth on changes in runoff were analyzed...
- 7
- 403
- 0
Báo cáo lâm nghiệp: "Effects of sulfuric acid and nitrogen deposition on mineral nutrition of Picea abies (L.) Karst" ppt
... based on high S02 inputs in the NE-Bavarian Mountains cause animbalance in the nutrient supply of soils and plants, leading to cation leaching from damaged trees and ... (1983) Interactions of forest canopieswith atmospheric constituents: S02, alkali and earth alkali cations and chloride. In: Effects of Accumulation of Air Pollutants in Forest ... that the proton input into oldstands can exceed that of young ones by a factor of 2-3, because of the highercanopy filtering capacity (Kaupenjohann,1989). Actual Ca and...
- 5
- 270
- 0
Báo cáo lâm nghiệp: "Effects of spruce, beech and mixed commercial stand on humus conditions of forest soils" pdf
... end of the growing season, in autumn, after the leaf fall (Fagus sylvatica) in 2004–2006. Particular samples were taken by a standard method using a metal frame of a known area (0.1 m2). In ... horizon A h in all stands. As for total carbon, values range from 34.9% (beech stand) to 41.3% (spruce stand) , for humus layers L, F and H from 3.3% (spruce stand) to 4.0% (beech stand) in ... 110-year spruce stand (26.0) and in the organo-mineral horizon on the beech stand area. On the contrary, the highest value was found in the beech stand (27.3) in forest floor and in the spruce stand...
- 8
- 441
- 0
Báo cáo lâm nghiệp: " Effects of ectomycorrhizal inoculation and the type of substrate on mycorrhization, growth and nutrition of containerised Pinus pinea L. seedlings produced in a commercial nursery" docx
... obtainmycorrhizal P. pinea seedlings produced in container. The highquantity of spores that can be obtained from one basidioma and the ease of application of this type of inoculum makes of ... Williams S., Official methods of analysis of the Association of Official Analytic Chemists, Sidney W. (Ed.), AOAC, Inc. Arling-ton VA, 1984.Nursery production of containerised P. pinea 819(1.8 ... factors inoculation (A) and type of substrate (B), and interaction between them (AB) for different growth parameters of Pinus pinea seedlings. Significant values (P < 0.05) are marked in bold.Growth...
- 6
- 509
- 0
Báo cáo lâm nghiệp: " Effects of site preparation with micro-basins on Pinus halepensis Mill. afforestations in a semiarid ombroclimate" potx
... we are dealing with.2. MATERIALS AND METHODS2.1. Study areaThis study was carried out in the mountain known as Monte “LasProvincias”, belonging to the Junta de Andaluc a [AndalusianRegional ... and the annual trunk growth, and theonly correlation shown is that of the rainfall values in the springseason, there is no correlation between the growth of the rings and the rainfall in any other ... [16].The strong correlation found between the annual growth in diameter of the trunk and the spring rainfall in the same yearshows that spring rainfall is fundamental for the afforestationgrowth...
- 8
- 288
- 0
Báo cáo lâm nghiệp: "Effects of high temperatures and ash on seed germination of two Iberian pines (Pinus nigra ssp salzmannii, P sylvestris var iberica)" pps
... 9B: Heathland and Related Shru-blands (RL Specht, ed), Elsevier, Amsterdam,61-84González-Rabanal F, Casal M (1995) Effect of hightemperatures and ash on germination of ten ... (Fagus sylvatica) in secondary forests that can cover large areas(Elena-Roselló and Sánchez-Palomares,1991; Catalán, 1991; Pausas and Fons,1992). The economic importance of ... (Vuillemin and Bulard, 1981; Troumbis and Trabaud, 1986;Trabaud and Oustric, 1989b; Corral et al,1990; Tárrega et al, 1992; González-Rabanal and Casal, 1995; Trabaud, 1995). AlthoughP...
- 9
- 239
- 0
Báo cáo lâm nghiệp: "Influence of pulverized limestone and amphibolite mixture on the growth performance of Alnus incana (L.) Moench plantation on an acidified mountain site" potx
... mean, sd – standard deviation, x – mark stands for p < 0.05Table 5. Dry mass concentrations of macroelements in alder foliage and dry weight of 100 leavesYear Variant N (%) P (%) K (%) Ca ... classified as a suitable prepara-tory species even under the harsh environmental conditions of the 7th and 8th forest altitudinal zones. No growth stagnation as a result of transplanting ... acquisition and growth of speckled alder than P fertilizing (without mycorrhizal inocu-lation).Although the foliar P concentration is on an ad-equate level in our plantation, if we take into...
- 8
- 347
- 0
Báo cáo lâm nghiệp: "Influence of individual tree and stand attributes in stem straightness in Pinus pinaster Ait. stands" pps
... m. In each plot exposure (sexasegimal degrees),Figure 1. Walter-Lieth Climate Diagram and location map showing O a area and its position in the Iberian Peninsula. The shadow area in themap indicates ... studied in Pinuspinaster Ait. stands. To this effect, 32 plots encompassing different densities and sites of varying quality were laid out in mature stands. In a young stand, a completely randomised ... Thus, snow and winddeformation and damage depend on stand and individualattributes, such as density and height/diameter ratio [32, 35].High stand densities favour higher rates of straight stems...
- 8
- 327
- 0
Báo cáo lâm nghiệp: "Effect of site quality and thinning management on the structure of holm oak forests in northeast Spain" pot
... betweenharvests, a variable harvest of basal area(40-60%), and special care in the selection of the remaining trees. These stands had a similarage from last thinning. The ... we have compared the differ-ent variables considered. In the areas of Arbúcies (table IV) and Gualba (table V),the plots of stands managed by conservativethinning and ... chosen: one qual-ified as ’conservative thinning’, and another as’intense thinning’. In the area of Susqueda, a third stand, referred to as ’old forest’ was also included.The...
- 14
- 244
- 0
Báo cáo lâm nghiệp: "Effect of ozone article and sulphur dioxide on of Pinus halepensis Miller" pps
... root hairs, a swollen appearance and the examination of hand-cross sections for the presence of Hartig net. The presence of intracellular hy-phae in stained sections, as well ... production and mycorrhizal associ-ations are related to alterations of photosynthesis and metabolism of plants,mediated by changes in stomatal aperture,carbon-fixing enzymes, ... collected from a pre-viously cultivated, but now abandoned cerealfield close to a P halepensis stand in Calanda,Teruel (Spain). Physical and chemical charac-teristics of the...
- 8
- 237
- 0
Từ khóa: báo cáo lâm nghiệpcách làm báo cáo tốt nghiệphướng dẫn làm báo cáo tốt nghiệp khoa kế toáncách làm bìa báo cáo tốt nghiệpcách làm slide báo cáo tốt nghiệpcách làm báo cáo tốt nghiệp chuyên ngành kế toánNghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoạiNghiên cứu vật liệu biến hóa (metamaterials) hấp thụ sóng điện tử ở vùng tần số THzNghiên cứu tổ chức chạy tàu hàng cố định theo thời gian trên đường sắt việt namGiáo 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 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 LPWANĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDEPhát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longNghiên cứu, xây dựng phần mềm smartscan và ứng dụng trong bảo vệ mạng máy tính chuyên dùngNghiên 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 chúngTìm 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 vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtBÀI HOÀN CHỈNH TỔNG QUAN VỀ MẠNG XÃ HỘIChiến lược marketing tại ngân hàng Agribank chi nhánh Sài Gòn từ 2013-2015Đổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt namQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ