Báo cáo lâm nghiệp: "Summer and winter embolism in oak: impact on water relations" potx
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
... possibilities of National Forest Inventory for the evaluation end, there comes the Inventory of Game Damage in the Smaller Territo-rial Units.CONCLUSIONResults from National Forests Inventory ... during repeated investigation in comparison with the rest of the investigated territory. In the course of five years, in relation to the original points and on the basis of a new investigation, ... 285etc., and their combination, which means that the category of game damage is the sum of damage types investigated during National Forests Inventory ac-cording to its methodology. In the investigated...
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Báo cáo lâm nghiệp: "Arginine and the shade tolerance of white spruce saplings entering winter dormancy" ppsx
... METHODSFour-year-old white spruce saplings were grown from seed obtained from a tree breeding seed bank at the Petawawa Forest Experiment Station, Chalk Arginine and the shade tolerance of white spruce saplings ... Size parameters and the responses of free amino acid N and guanidino compounds in the soluble N pool of stem and buds of four-year-old white spruce saplings exposed to natural light and shading ... insects, and frost da-mage. During the breaking of dormancy in spring, the removal of inhibitory guanidino compounds provides sources of N for the renewed synthesis of arginine. Arginine N and...
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Báo cáo lâm nghiệp: "arbon and nutrient stocks in mature Quercus robur L. stands in NW Spai" docx
... p. Nutrient amounts in Quercus robur L. stands 559Table I. General characteristics of the four Quercus robur stands selected for the study.Location Parent Slope Size Altitude dg Stocking G ... C and nutrients in mature oak forests in NW Spain. Assessment of the C and nutrient distribution in theplant-soil system is required for evaluation of future strategiesaimed at preserving and ... main differences can beattributed to the higher concentrations of Ca (in the crown frac-tion), N, P and K (in the stem wood) of the oak trees, as well Nutrient amounts in Quercus robur L. stands...
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Báo cáo lâm nghiệp: "Heat and drought 2003 in Europe: a climate synthesis" ppt
... 4◦C above nor-mal in a smaller region, mainly in the South-West, from East-ern Spain to Southern Germany, including most of continen-tal Italy, Sardinia, Corsica, Switzerland, and most of France.August ... than June and August, except in Swe-den, Finland and Norway. On most of the continent, both min-imum and maximum air temperature were between 1 and 3◦Cabove normal. May was also generally hotter ... WorldMeteorological Organization (WMO) and Météo France. Wealso map sunshine duration, air humidity and precipitationanomalies. Air humidity anomalies are estimated using theFrench global circulation...
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Báo cáo lâm nghiệp: "an Phytophthora quercina have a negative impact on mature pedunculate oaks under field conditions" pptx
... no data on water relations and mineralnutrition is available for infected oaks under field conditions.The knowledge about the effects of Phytophthoras on mature oaks under natural conditions ... analysis of the effects of air pol-lution on forests, 4th ed., United Nations Economic Commission Impact of P. quercina on mature oaks 671for Europe Convention on Long-range Transboundary AirPollution: ... 2005; accepted 10 March 2006)Abstract – Ten oak stands in southern Sweden were investigated to evaluate the impact of the root pathogen Phytophthora quercina on mature oaks under field conditions....
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Báo cáo lâm nghiệp: "Heartwood and sapwood variation in Eucalyptus globulus Labill. trees at the end of rotation for pulpwood production" potx
... at: c INRA, EDP Sciences, 2007 www.afs-journal.orgDOI: 10.1051/forest:2007045Original articleHeartwood and sapwood variation in Eucalyptus globulus Labill. trees at the end of rotation for ... 29]. The initiation and rate of transformation of sapwood intoheartwood are explained by several theories, namely that it is the amount of sapwood, e.g. area or radial width that regulates the ... properties, the suitability of eucalypts for papermaking is in uenced by the extent of heartwood and of sapwood within the pulpwood logs. Heart-wood has a negative in uence on the pulping quality increas-ing...
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Báo cáo lâm nghiệp: "Fingerprinting and genetic variability in cork oak (Quercus suber L.) elite trees using ISSR and SSR markers" ppsx
... www.afs-journal.orgDOI: 10.1051/forest:2007057Original articleFingerprinting and genetic variability in cork oak (Quercus suber L.) elite trees using ISSR and SSR markersAimara L´-Aa, María Ángeles ... of SSR and ISSR markers to establish theDNA-fingerprinting of each tree could be focused to select clonal lines of commercial interest.Quercus suber / cork oak / elite trees / DNA-fingerprinting ... high genetic variability obtained in the samples in- dicates the advantage of these selected elite- trees in the de-velopment of breeding programs, and the usefulness of SSR and ISSR markers in...
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Báo cáo lâm nghiệp: "Morphological and functional variability in the root system of Quercus ilex L. subject to confinement: consequences for afforestation" ppt
... length to the depth of the container and preventing the development of re-placement taproots. The confining of lateral roots in the con-tainer and their downward growth lead to the generation of ... prevent root spi-ralling, and holes in the base facilitate drainage and encourageair pruning of roots. Continual air pruning induces a limita-tion to the main root growth by shortening its ... morphology and topology For the morphological characterisation of shoots and roots and the topological characterisation of roots, 22 seedlings were taken ran-domly per type of container at the end of the...
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Báo cáo lâm nghiệp:"Selfing and sibship structure in a two-cohort stand of maritime pine (Pinus pinaster Ait.) using nuclear SSR markers Santiago C. González-Martíneza,b, Sophie Gerberc, María-Teresa Cerverad, José-Miguel Martínez-Zapaterd, Ricardo " ppsx
... Ait.) using nuclear SSR markers Santiago C. González-Martínez a, b, Sophie Gerberc, Mar a- Teresa Cerverad, José-Miguel Martínez-Zapaterd, Ricardo Al a a and Luis Gilb* a Unidad de ... 115Ann. For. Sci. 60 (2003) 115121â INRA, EDP Sciences, 2003DOI: 10.1051/forest:2003003Original articleSelfing and sibship structure in a two-cohort stand of maritime pine (Pinus pinaster Ait.) ... Gil L., Al a R., Seed gene flow and fine-scale structure in a Mediterranean pine (Pinus pinaster Ait.) using nuclear microsatellite markers, Theor. Appl. Genet. 104 (2002)1290–1297.[21] Hamrick...
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Báo cáo lâm nghiệp: "Summer and winter embolism in oak: impact on water relations" potx
... freeze- and summer drought-induced xylem embolism: an ecological interpretation.Plant Cell Environ 16, 511-519Milburn JA (1973) Cavitation in Ricinus by acousticdetection: induction ... to dysfunction because any break in the column in a conduit drains the con-duit of water and necessarily disrupts fur-ther water flow.A break in the water column ... summer embolisms are generally avoided. On the other hand, frost-induced embolism may explain species distributions in cold climates.Quercus spp / embolism / water relations...
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Báo cáo lâm nghiệp: "Starch and soluble carbohydrates in leaves of water-stressed oak saplings" ppsx
... soildrought on the rate of CO2 assimilation and the amount of soluble and insoluble carbo-hydrates in leaves of 4-year-old saplings of Q petraea. The aim of these experimentswas ... hexose Short noteStarch and soluble carbohydrates in leaves of water-stressed oak saplingsD ÉpronE DreyerÉcophysiologie forestière, Centre de Nancy, Inra, 54280 Champenoux, ... potential (Ψwp) and net CO2 assimilation rates (A) in control and water-stressed leaves of Quercus petraeasaplings (mean of four replicates ± standarderror).* Significant...
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Báo cáo lâm nghiệp: "Litterfall and mineral return in two cork-oak forests in northeast spain" pot
... elements (N, K, Mg and espe-cially P), and high concentrations of Ca, Fe Original articleLitterfall and mineral return in two cork-oak forests in northeast spainA Caritat1G ... 1996)Summary - Seasonal trends in littertall and potential mineral return were studied in two cork-oak forest sites in the northeastern Iberian peninsula. The estimated average ... typical of those in cork-oak forests in the northeastern Iberianpeninsula. A comparison is made betweenthe values obtained in our two plots and those reported in other Mediterraneanforest...
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Báo cáo lâm nghiệp: "Photosynthesis and leaf longevity in alder, birch and ash seedlings grown under different nitrogen" ppsx
... Photosynthesis and leaf longevity in alder, birch and ash seedlings grown under different nitrogen levelsT. Koike1M. Sanada21 Swiss Federal Institute of Forestry ... rates and leaf longevity of deciduous broad-leavedtree seedlings in relation to the anatomicalcharacteristics in leaves.Materials and MethodsOne yr old seedlings of alder ... birch, ash, and maple.Photosynthetica 21, 503-508Linder S. & Rook D.A. (1984) Effects of mineralnutrition on carbon dioxide exchange and parti-tioning of carbon in...
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Báo cáo lâm nghiệp: "Diurnal and seasonal fluctuations in the bark respiration of standing Quercus acutissima trees in Nakaizu, Japan" docx
... the stem and on fine days during the growing season.On cloudy and rainy days, the depression Diurnal and seasonal fluctuations in the bark respiration of standing Quercus ... day, and the difference between the daily maximum and minimum values of respiration rates in the upper part of the stem was greaterthan that of the lower part of the ... 13.8°C. Bark respiration was measured in 8 parts of stem bark at different heights of dominant (d) and suppressed (s) trees, located at the edge (o) and within (*) the stand...
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Báo cáo lâm nghiệp: "Carbon and nitrogen allocation in trees" pot
... Autumnalchanges in total nitrogen, salt-extractable pro-teins and amino acids in leaves and adjacent xylem and phloem) required for efficient nitrogen transport. In contrast, arginine, ... of amino compounds found in xylem, only the amides, asparagine and glutamine; the amino acids, glutamate,aspartate, arginine and proline; and theureides, allantoin, allantoic ... from ginkgo bark (Shim and Titus, 1985) have begun to charac-terize these storage proteins. These pro-teins are rich in arginine and other basicamino acids (Kang and Titus,...
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Từ khóa: Giáo 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 LPWANNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDEPhối 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 ninhTrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Phát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longPhát hiện xâm nhập dựa trên thuật toán k meansNghiên cứu, xây dựng phần mềm smartscan và ứng dụng trong bảo vệ mạng máy tính chuyên dùngĐịnh tội danh từ thực tiễn huyện Cần Giuộc, tỉnh Long An (Luận văn thạc sĩ)Quản lý nợ xấu tại Agribank chi nhánh huyện Phù Yên, tỉnh Sơn La (Luận văn thạc sĩ)BT Tieng anh 6 UNIT 2Tăng 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)Nguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo 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 vậtChiến lược marketing tại ngân hàng Agribank chi nhánh Sài Gòn từ 2013-2015HIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀM