Báo cáo lâm nghiệp: "Nutrition of silver fir (Abies alba Mill) growing at the upper limit of its occurrence in the Šumava National Park and Protected Landscape Area" pot
Báo cáo lâm nghiệp: "Analysis of herbicide effects on Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) natural regeneration" ppsx
... on high growing stock, wood production and especially the values of mensurational indices attract attention. At Analysis of herbicide effects on Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) ... Effect of site preparation on survival and growth of Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) seedlings. New Forests, 3: 89–98. G L. (1996): Production capacity evaluation of the ... Czech)B F. 2007b): Natural regeneration of Douglas fir (Pseudotsuga menziesii [Mirb.] Franco) in forest stands of Hůrky Training Forest District, Higher Forestry School and Secondary Forestry...
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Báo cáo lâm nghiệp: "Nutrition of silver fir (Abies alba Mill) growing at the upper limit of its occurrence in the Šumava National Park and Protected Landscape Area" pot
... 381JOURNAL OF FOREST SCIENCE, 56, 2010 (9): 381–388Nutrition of silver fir (Abies alba Mill) growing at the upper limit of its occurrence in the Šumava National Park and Protected Landscape AreaR. ... During the period 2006–2007, in the Czech part of the Bohemian Forest, samples of silver fir were taken mainly in the upper alti-tudinal limit of silver fir occurrence. In the present paper the ... presents the results of the nutrient bal-ance and content of the stress elements in the cur-rent year needles of fir taken in 2006 and 2007 in the Bohemian Forest, in the mature stands growing predominantly...
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Báo cáo lâm nghiệp: "rowth and health state of silver fir (Abies alba Mill.) in the ridge area of the Jizerské hory Mts" docx
... granite.Supported by the Ministry of Agriculture of the Czech Republic, Project No. MZe 0002070201.Growth and health state of silver fir (Abies alba Mill.) in the ridge area of the Jizerské hory Mts.V. ... dynamics of the height growth of the silver fir experimental plantings was evaluated on the basis of the results of the measurements of all trees liv-ing in 2007, and of the highest trees in 2007 ... K).CONCLUSIONSBased on the results of the investigations into the development of the silver fir plantations and the dy-namics, of some climatic factors, these conclusions are drawn: In the model area of the Middle...
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Báo cáo lâm nghiệp: "Climatic signal in annual growth variation of silver fir (Abies alba Mill.) and spruce (Picea abies Karst.) from the French Permanent Plot Network (RENECOFOR)" ppsx
... articleClimatic signal in annual growth variation of silver fir (Abies alba Mill.) and spruce (Picea abies Karst.) from the French Permanent Plot Network (RENECOFOR)Franỗois L*UMR INRA-ENGREF 1092 ... explores the growth/ climate relationships in earlywood, latewood and total ring-width chronologies of five Norway spruce (Picea abies) and six silver fir (Abies alba) stands sampled in the French permanent ... conifer-ous stands in the French Jura and in Switzerland [10, 39], in the Vosges Mountains [3, 4], in the French and ItalianAlps [19, 22,43], in Belgium Ardenne [37], in Czech Repub-lic [44] and in Germany...
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Báo cáo lâm nghiệp: " Consequences of increased deer browsing winter on silver fir and spruce regeneration in the Southern Vosges mountains: Implications for forest management" potx
... 175Ann. For. Sci. 62 (2005) 175181â INRA, EDP Sciences, 2005DOI: 10.1051 /forest: 2005009Original article Consequences of increased deer browsing winter on silver fir and spruce regeneration in the ... Browsing low, Bm+h: Browsing medium + high. (1) Comparison of the distribution of the three types of fir regenera-tion with the rest of the regeneration. (2) Comparison of the distribution of ... the substitution of fir by spruce. The aim of the study was to assess whether there is a sub-stitution of fir by spruce in the regeneration due to browsing, and to specify the role of six related...
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Báo cáo lâm nghiệp: "Influence of light and competition on crown and shoot morphological parameters of Norway spruce and silver fir saplings" doc
... spp. and Brachipodium pinnatum. The effects of light level and competition on growth and on crown and shoot morphological parameters were assessed for 76 saplings(48 Norway spruce and 28 silver ... traits [13], and possibly in allocation pat-terns, but not to morphological ones. 4. CONCLUSIONSResults of the present study confirm the importance of light on growth and on crown, shoot and needle ... 10.1051/forest:2005019Original articleInfluence of light and competition on crown and shoot morphological parameters of Norway spruce and silver fir saplings Giacomo GRASSIa,b*, Raffaello GIANNINIc...
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Báo cáo lâm nghiệp:"Stand history and its consequences for the present and future dynamic in two silver fir (Abies alba Mill.) stands in the high Pesio Valley (Piedmont, Italy)" potx
... 2003DOI: 10.1051/forest:2003027Original articleStand history and its consequences for the present and future dynamic in two silver fir (Abies alba Mill.) stands in the high Pesio Valley (Piedmont, ... RESULTS3.1. Past land and forest use The forestry history of the high Pesio valley and the land-use of the territory were strongly influenced by the arrival of 370 R. Motta and F. Garbarino[17] Hytteborn ... origin, past forest dynamic and disturbance history. The historicaldevelopment and the successional history of these stands were investigated in two plots of 2000 m2 by means of the following...
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Báo cáo lâm nghiệp:"Nutrition and growth in newly established plantations of Eucalyptus globulus in northwestern Spain" doc
... minerals (mainly mica and kaolinite), and a low eCEC. Thetexture is loamy and, in the case of soils developed on granite, sandy.2.3. Sampling and analysis of soils and plants In each of the plantations, ... 509517â INRA, EDP Sciences, 2003DOI: 10.1051/forest:2003044Original articleNutrition and growth in newly established plantations of Eucalyptus globulus in northwestern SpainAgustín MERINOa*, ... concen-trations of N and micronutrients were satisfactory in all of the plantations. However, most of the plantations showed low lev-els of P and Ca, and some, of K and Mg. In addition, the levels of Ca...
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Báo cáo lâm nghiệp: "Impact of population dynamics of white mistletoe (Viscum album ssp. abietis) on European silver fir (Abies alba)" pot
... 10.1051/forest:2003072Original articleImpact of population dynamics of white mistletoe (Viscum album ssp. abietis) on European silver fir (Abies alba)Konrad Philipp NOETZLI*, Beat MÜLLER, Thomas ... stand of European silver fir (Abies alba) in the Rhine Valley (Canton of Grisons, Switzerland), 27 trees with heavyinfestation of white mistletoe (Viscum album ssp. abietis) were felled and population ... INTRODUCTIONThe hemiparasitic white mistletoe Viscum album L. attacksmany species of deciduous trees. In addition, some coniferousspecies are affected, notably European silver fir (Abies albaMill.)...
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Báo cáo lâm nghiệp: "Reconstruction of crown length of Norway spruce (Picea abies (L.) Karst.) and Silver fir (Abies alba Mill.) – technique, establishment of sample methods and application in forest growth analysis Peter SPATHELF" ppt
... Norway spruce (Picea abies (L.) Karst.) and Silver fir (Abies alba Mill.) – technique, establishment of sample methods and application in forest growth analysis Peter SPATHELFForstdirektion Tỹbingen, ... competition,right: Norway spruce, released; diagonal = crown length 0).Figure 9. Development of crown ratio (cr) of thinned and unthinned Norway spruce and Silver fir up to 10 years since thinning. With ... 19.20.24 – 9 2 10 3 – 24.81.06Note: Silver fir whorls are in the upper part (stands 1–3 and 5), Norway spruce whorls in the lower part (stands 4 and 6–9 ) of the table.*l: Localisation of whorl samples...
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Báo cáo khoa học: "Temperature response of photosynthesis of silver fir (Abies alba Mill.) seedlings." pdf
... al. P. Robakowski et al.Temperature and photosynthesis in silver fir Original articleTemperature response of photosynthesis of silver fir (Abies alba Mill.) seedlingsPiotr Robakowskia, Pierre ... calculated) of the param-eters describing temperature responses of needle photosyntheticcapacity in 4-year-old seedlings of silver fir (Abies alba Mill.). Vcmax– maximal rate of carboxylation, ... of twigs and budswaslarger than that ofneedles(table II).Temperature and photosynthesis in silver fir 167Figure 1. (a) Temperature responses of maximal rate of carboxylation (Vcmax) and of...
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Báo cáo khoa học: "Water relations of European silver fir (Abies alba Mill) in 2 natural stands in the French Alps subject to contrasting climatic conditions" pps
... origi-nates in the roots. J Exp Bot 38, 1174-1181 Original articleWater relations of European silver fir (Abies alba Mill) in 2 natural stands in the French Alps subject to contrasting climatic ... of water-use efficiency during a period of drought for firs originating from dry areas.What is the contribution of these results to the understanding of the ecology of ... and Pautou (19 82) . The rainfall here exceeds 2 000 mm per year anddominant trees in the forest reach heights of 45m. The second site is located in the French inter-nal...
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Báo cáo lâm nghiệp: "Diagnosing plant water status as a tool for quantifying water stress on a regional basis in Mediterranean drylands" pdf
... in May and September1998 and in degraded sites in September 1998. Original articleDiagnosing plant water status as a tool for quantifying water stress on a regional basis in Mediterranean ... reference values of the water relations parameters, because in this month plantswere actively growing and water availability was likelyhigh after winter rains. Total precipitation during March,April ... well adapted to aridity as inducedby environmental degradation. As a consequence, bothC. siliqua and Q. coccifera can be considered as suitablecandidates to natural reforestation of degraded areas...
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Báo cáo lâm nghiệp: "Une méthode d’évaluation régionale de la biomasse des taillis à partir des données de l’Inventaire forestier national. Application à la région Centre" potx
... de taillis. Une méthode d’évaluation régionale de la biomasse des taillis à partir des données de l’Inventaire forestier national. Application à la région CentreD. AUCLAIRI.N.R.A.,Marie-Claude ... additionnées de la somme des carrés des écarts de l’équation séparée appliquée pour des âges du taillis comprisentre 20 et 29 ans est supérieure à la somme des carrés des écarts ... de AUCLAIR & METAYER (1980) dans la région Centre et de RANGER et al. (1981)dans les Ardennes, donnant des méthodes et des résultats sur quelques parcelles de taillis. ...
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Báo cáo lâm nghiệp: "Nutrition minérale comparée du Chêne sessile et du Chêne pédonculé" potx
... Nutrition minérale comparée du Chêne sessile et du Chêne pédonculéM. BONNEAU, I. DELMAS (*)M. BONNEAU,boration techniqueI. ... phosphore et le potassium àChampenoux, sur le pélosol, montrant une richesse un peu plus grande de la feuille du Chêne pédonculé pour ces deux éléments, tendance qui se retrouve ... s’est proposé de vérifier, par analyse foliaire de chênes des deux espốces, si larộputation d ô exigence ằ du Chêne pédonculé était fondée.Pour cela, des prélèvements...
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