Báo cáo lâm nghiệp: "Water relations of adult Norway spruce (Picea abies (L) Karst) under soil drought in the Vosges mountains: whole-tree hydraulic conductance, xylem embolism and water loss regulation " ppsx

... 146-153Original article Water relations of adult Norway spruce (Picea abies (L) Karst) under soil drought in the Vosges mountains: whole-tree hydraulic conductance, xylem embolism and ... noted at the beginning of the the sap flux through the plant, the soil water status and the total hydraulic conductancefrom the soil to the leaves. It is thereforenecessary ... of drought would be a potential increase in the dynamic water stress caused by the water flow. The linear relationship between gL and dFmidday found in spruce and other...

Báo cáo khoa học: "Water relations of adult Norway spruce (Picea abies (L) Karst) under soil drought in the Vosges mountains: water potential, stomatal conductance and transpiration" ppsx

... area of the stand, asstated in equation [5].Original article Water relations of adult Norway spruce (Picea abies (L) Karst) under soil drought in the Vosges mountains: water ... the occurrence of xylem cavitation under intensive drought. Thispaper reports results from the investigationinto the first two points; the hydraulic func-tioning of spruce ... temperature and windspeed) were measured hourly in a weather station500 m from the stand. Incident rainfall and throughfall were measured weekly in a cutting and in the watered...

Báo cáo lâm nghiệp: "Current possibilities of using Norway spruce (Picea abies [L.] Karst.) in forest regeneration in the air-polluted region of the northeastern Krušné hory Mts" doc

... parts of the stands) than in the Krušné hory Mts. (with underplanting realized inside the stands) was also a reason for the relative failure of underplanting in the existing spruce stands in the ... 11Age(cm)Underplanting of present stands spruce Reconstruction of stands Underplanting birchInspection Bohemian - Moravian uplandLineární (Underplanting of present stands spruce) Lineární (Reconstruction ... smoothing of total heights and increments of underplanting in the current Norway spruce stands is considerably aﬀected by the high degree of area stocking H-10-1.00 (Figs. 1 and 2). Yet the...

Báo cáo lâm nghiệp: "Water relations of cork oak (Quercus suber L.) seedlings in response to shading and moderate drought" ppt

... (RWCa) and inverse of osmotic potential at full turgor (Ψπ100). The x- and y-coordinates of the first data point of the linear portion of the PV curve corresponded to relative water content at the ... Ψpd and Ψmin in all measurement dates (P < 0.001), exceptat the beginning of the two soil- drying cycles (July 23 and Oct 3), when soil water moisture was high and similar in allseedlings ... – The interactive effects of light and drought on water relations and soluble sugars were addressed on Quercus suber L. seedlingsgrown under the combination of four irradiances and two soil water...

Báo cáo lâm nghiệp: "Water relations of oak species growing in the natural 2 CO spring of Rapolano (central Italy) " potx

... selectedfor the experiment both in the CO2 spring and in the control site. In July (just before the second day of mea-surements), the amount of xylem embolism wasevaluated ... undertaken with the aim of examining water relations of mature trees of holm oak and downy oak grown in ele-vated atmospheric carbon dioxide during a drought period in ... the same levels of LOSK in branches: over 60%. The threshold-typerelationship existing between decreasing water potential and embolism formation, and the very low leaf water...

Báo cáo khoa học: "Growth and fructification of a Norway spruce (Picea abies L. Karst) forest ecosystem under changed nutrient and water input" doc

... after the drought, the dominated roofedtrees on D3 developed better in the following years than the trees of the other two roofs. The radial growth of the dominated trees was not affected by the ... variants. The mean heightincrement decreased continuously since the beginning of the measurements in 1988 from an average of 37 cm onall sites to a minimum in the fifth year of monitoring in 1992 ... for dominat-ing trees.Figures 4 and 6 show the mean values for height and radial increment of the dominating and codominatingtrees (tree classes 1 and 2 based on Kraft). The values for the trees...

Báo cáo lâm nghiệp:"Water relations and hydraulic characteristics of three woody species co-occurring in the same habitat" pptx

... view of relating the structure and physical properties of the water conductingsystem to plant water balance and adaptation to the environment. In this framework, the partitioning of the hydraulic ... the basis of equation 6 includes the resistance of the soil- to-root pathway,it is possible that the measured Rroot was due to the increase of R soil . In turn, R soil is negligible when soil ... consequence of water stress[5, 12, 23] stimulating the new formation of an endoderm-likemultilayer of suberized cells interrupting the hydraulic continuity between soil and the root stele [36]. The...

Báo cáo lâm nghiệp: "Multivariate statistical approach to comparison of the nutrient status of Norway spruce (Picea abies [L.] Karst.) and top-soil properties in differently managed forest stands" potx

... A., 1993. Effects of drought on the yellowing status and the dynamics of mineral elements in the xylem sap of declining spruce (Picea abies L.). Plant and Soil, 150: 303–306.DRIESSEN P., ... specific and topically individual interactions with soil and these interactions in uence its state, (2) the in uence of forest management reflects in humification and in the nutrient status in plant ... of soil organogenic processes was identified by CLU. Differences in the properties of the particular sampling points and the fact that the in uence of soil heterogeneity on the specificity of...

Báo cáo lâm nghiệp: "Response of the Norway spruce (Picea abies [L.] Karst.) root system to changing humidity and temperature conditions of the sit" ppt

... necessary to minimize the incidence of solar radiation on the soil in the existing Norway spruce groups of stands.CONCLUSIONe Norway spruce decline and dieback in lower forest altitudinal vegetation ... that the causes of the decline are as follows: planting of Norway spruce outside the optimum of its ecovalence, increased global radia-tion, weather course change (periods of drought) , weak and ... did not bring any serious problems until the end of the last century. In the case of large-scale disasters (wind, snow, insects), the spruce stands did not exhibit any decline and the disasters...

Báo cáo lâm nghiệp: "Merocoenoses of cambioxylophagous insect fauna of Norway spruce (Picea abies [L.] Karst.) with focus on bark beetles (Coleoptera: Scolytidae) and types of tree damage in diﬀerent gradation conditions" ppsx

... light-ning and wind-felling, and in the merocoenosis of snags and fragments (tree parts), in spruce stands of diﬀ erent age and in diﬀ erent situations with re-gard to the occurrence and population ... species and wood-destroying insect associates of spruce, not even in cases where the needle loss was documented. According to N (1962), the phloem quality in the swarming period of the par-ticular ... by wind-felling (windfalls), 100 stems (5,202 m) were trees in the form of snags and fragments in mature spruce stands, 276 stems (5,923 m) were trees in the form of snags and frag-ments in...

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Từ khóa: Báo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018 chuyên đề điện xoay chiều theo dạng Nghiên 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 nam Nghiên cứu tổ chức pha chế, đánh giá chất lượng thuốc tiêm truyền trong điều kiện dã ngoại đề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giải Giáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôit 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 NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDE Phát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninh Phát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ long Định tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Thơ nôm tứ tuyệt trào phúng hồ xuân hương Sở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIX 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)Tranh tụng tại phiên tòa hình sự sơ thẩm theo pháp luật tố tụng hình sự Việt Nam từ thực tiễn xét xử của các Tòa án quân sự Quân khu (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vật chuong 1 tong quan quan tri rui ro 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