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
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: "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: "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: "Water and bioelement fluxes in four Quercus pyrenaica forests" ppt
... drainage does. More-over, the vegetation shows great depen-dence on the rains of the dry season, but Original articleWater and bioelement fluxes in four Quercus pyrenaica ... rain intensity,slight slopes, high infiltration and absence ofimpermeable layers near the soil surface.DrainageDrainage (D) increased with rainfall (figs 1 and 2), and ... isreduced. In summary, the losses from the soil arelower than the atmospheric inputs, result-ing in a net gain, more evident in S1 forNO3- and SO42- (depending mainly...
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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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Báo cáo lâm nghiệp: "Carbon and phosphorus relations in and non-mycorrhizal pine seedlings" pps
... photosynthesis and fine-root phosphorus concentration. Thehigh level of fine-root phosphorus concen-tration in mycorrhizal seedlings indicatesthat phosphorus was being preferentiallystored ... to adding phosphorus fertilizer to non-mycorrhizal plants for allparameters examined. In quantitativeterms, adding high phosphorus had a fargreater effect than inoculation, ... high phosphorus fertilizerregime caused: 1 ) only a small increase in phosphorus content and concentrationwithin the plant; 2) no change in photo-synthetic rate; and 3)...
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