Báo cáo lâm nghiệp: "Multifunctional forestry practices as a land use strategy to meet increasing private and public demands in modern societies" ppt
Báo cáo lâm nghiệp: "The effect of point application of fertilizers on the soil environment of spread line windrows in the Krušné hory Mts" docx
... were observed mainly in regions exposed to the heavy deposition e effect of point application of fertilizers on the soil environment of spread line windrows in the Krušné hory Mts.D. V1, ... scarification the top -soil horizons were moved into line windrows, which caused marked degradation of the soil environment. e present revitalization of the soil environment is based on the principle of ... matter.CONCLUSION In the course of large-scale scarification the top- soil horizons were moved into line windrows in the Krušné hory Mts., which caused marked degradation of the soil environment. e...
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Báo cáo lâm nghiệp: "Multifunctional forestry practices as a land use strategy to meet increasing private and public demands in modern societies" ppt
... past Multifunctional forestry practices as a land use strategy to meet increasing private and public demands in modern societiesF. SZurich, SwitzerlandABSTRACT: e present distribution ... it has integrated increasing societal de-mands into current management practices. To assess the present and future options in management of forests, one has to be aware of the historical context. ... potential of forests in rural and urban areas (B et al. 2004; B, S 2005). e issues at stake are meeting local, national, and increasingly international environmental de-mands,...
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Báo cáo lâm nghiệp: "Improving RBS estimates – effects of the auxiliary variable, stratification of the crown, and deletion of segments on the precision of estimate" pps
... variables, the stratification of the crown and the deletion of segments. In the present study, the effects of the choice of the auxiliary variable and of the created crown structure (segments and nodes, ... dele-tion of the stem segments. After this closer look at the old pine, the effect of stratification and deletion of the stem segments on the precision of estimates is to be studied for all trees of ... e analysis of the effects of the crown structure concentrates on the stratification of the crown and on the deletion of greater segments (e.g. the stem) by using the classical RBS. Statistical...
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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: " Possibilities of using the portable falling weight deflectometer to measure the bearing capacity and compaction of forest soils" pptx
... discusses possibilities of using the portable falling weight deflectometer to measure the bearing capacity and compaction of forest soils. Within the study, measurements were made using manual ... available to root hairs and pores under 0.001 mm are not inhabitable even by micro- Possibilities of using the portable falling weight deflectometer to measure the bearing capacity and compaction of ... mini-mum of two to three measurements at each site. The goal of the present paper was to assess a possibility of using the portable falling weight de-flectometer for measuring the bearing capacity and...
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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: "The reproductive success of a Quercus petraea × Q. robur F1-hybrid in back-crossing situations" potx
... to the fact that wehave only investigated the back-crossing behaviour of a single Q. petraea ì Q. robur F1-hybrid, and compared it to a singletree of Q. robur and Q. petraea, respectively. Studies ... that the formation of Q. petraea ì Q. robur F1-hybrids issubject to substantial barriers (narrow arrows), but suggest that this rarely formed Q. petraea × Q. robur F1-hybrid easily can (at least ... consist-ing of 2/3 of genes coming from Q. petraea and 1/3com-ing from Q. robur (again assuming standard inheritance) andan organelle genome exclusively made up of genes comingfrom Q. robur. ...
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Báo cáo lâm nghiệp: "Attraction of the Japanese pine sawyer, Monochamus alternatus, to volatiles from stressed host in China" potx
... (+)-3-carene:terpinolene(+)-α-pinene: (-)-β-pinene: (+)-3-carene:terpinolene(+)-α-pinene: (-)-β-pinene: (+)-3-carene:terpinolene(+)-α-pinene: (-)-β-pinene: (+)-3-carene:terpinolene(+)-α-pinene: (-)-β-pinene: ... SEeggs/female123456789101112131415(+)-α-pinene(-)-β-pinene(+)-3-careneTerpinolene(+)-α-pinene: (-)-β-pinene: (+)-3-carene:terpinolene(+)-α-pinene: (-)-β-pinene: (+)-3-carene:terpinolene(+)-α-pinene: (-)-β-pinene: (+)-3-carene:terpinolene(+)-α-pinene: ... Chinese Forestry press,Beijing, 2003, pp. 61–62 (in Chinese).[30] Yang B., Wang Q., Distribution of the pine wood nematode in Chinaand susceptibility of some Chinese and exotic pines to the...
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Báo cáo lâm nghiệp: "Growth versus storage: responses of Mediterranean oak seedlings to changes in nutrient and water availabilities." ppsx
... 10.1051/forest:2006104Original articleGrowth versus storage: responses of Mediterranean oak seedlings to changes in nutrient and water availabilitiesVirginia S P´a*, Pilar C D´a, Fernando ... was to assess the combinedresponse of growth, carbohydrate and nitrogen reserves of seedlings of three Mediterranean oaks (Quercus coccifera,Q. ilex subsp. ballota and Q. faginea) to changes in ... (Tab. I, Fig. 7). Therefore, trajectories of N were4–1 in Q. coccifera and 1 in the remaining species (Fig. 3).3.2. Effects of wateringThe response of DM to watering differed across species(Tab....
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Báo cáo lâm nghiệp: "Genetic variation of Tunisian Myrtus communis L. (Myrtaceae) populations assessed by isozymes and RAPDs" pptx
... 10.1051/forest:2007061Original articleGenetic variation of Tunisian Myrtus communis L. (Myrtaceae) populations assessed by isozymes and RAPDsChokri Messaouda,MakremAfifa, Abdennacer Boulilaa, ... theNei and Li’s similarity coefficient [38]: Sxy= 2mxy/(mx+ my), wheremxyis the number of bands shared by samples x and y,andmx and myare the number of bands in samples x and y, respectively. ... and Forests, BP 10, Ariana- 2080, Tunisia(Received 21 September 2006; accepted 16 July 2007)Abstract – The genetic variation of six Tunisian Myrtus communis L. (Myrtaceae) populations was assessed...
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Báo cáo lâm nghiệp: " The management of snags: A comparison in managed and unmanaged ancient forests of the Southern French Alps" pot
... then be considered as a potential and optional candidate for maintaining the habitat diversity of SDT and CWD. An integrated forest management could then Snags in ancient forests of French Alps ... 135142â INRA, EDP Sciences, 2005DOI: 10.1051/forest:2005005Original article The management of snags: A comparison in managed and unmanaged ancient forests of the Southern French Alps Damien MARAGE a, b*, ... by management status and developmental phase in ancient silver fir-beech forests of the southern French Alps.Vol u me ( m3) Density (stem·ha–1) Managed Unmanaged Managed Unmanaged Early aggradation...
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Báo cáo lâm nghiệp: "Effect of contrasting water supply on the diameter growth of Norway spruce and aspen in mixed stands: a case study from the southern Russian taiga" pot
... on the diameter growth of Norway spruce and aspen in mixed stands: a case study from the southern Russian taigaFyodor TATARINOV a, b,c*, Yury BOCHKAREVd, Alexander OLTCHEV a, e, Nadezhda ... Stand seasonal growth pattern in 2000Seasonal increment of basal area in spruce represented over80% of the entire stand basal area increment (as indicated byscaling the data up to the stand ... the region are practically unmanaged (in par-ticular, in the case of clear-cut stands are often left for naturalregeneration), mixed stand with dominant spruce and aspen trees in certain different...
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Báo cáo lâm nghiệp: "Faible différenciation génétique, à partir d’amplification aléatoire d’ADN polymorphe (RAPD), entre les types de pin sylvestre (Pinus sylvestris L.) d’altitude et de plaine dans les Alpes à climat continental" pptx
... frontières de l’écogramme de l’es-pèce. Une étude effectuée au sujet de deux types de pin ponde-rosa de montagne et de milieux xériques suggère à partir d’es-sais de plantation que de nombreux ... I.Parallèlement à l’analyse génétique, la croissance et lenombre de cernes d’aubier des deux types de plaine et d’al-titude ont été mesurés à partir de carottes de bois. Cet articletraite des questions ... segmentouest de l’arc alpin. La frontière de la Suisse est indiquée. Les pointsblancs représentent les populations de plaine de Pinus sylvestris et les points noirs celles d’altitude. Les abréviations...
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Báo cáo lâm nghiệp:"Succession from bog pine (Pinus uncinata var. rotundata) to Norway spruce (Picea abies) stands in relation to anthropic" docx
... Succession from bog pine to Norway spruce stands 351Table I. Vegetation tabular of the phytocoenotic relevés and their synusial relevés in the bog pine stand of phytocoenosis No 1 and in the bog pine ... A., Schweingruber F.H., Gobat J M., Standstructure, invasion, and growth dynamics of bog pine (Pinus uncinata var. rotundata) in relation to peat cutting and drainage in the Jura Mountains, Switzerland, ... 25,35]. In Jura bogs, even-aged stands of bog pine developing ondeep and oligotrophic peat reflect mainly drainage and peatcuttings [17]. The pine population of the bog pine- spruce mixed stand in...
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Báo cáo lâm nghiêp: "Thinning Forestry control of conifer plantations in Great Britain" docx
... comprise a thinning regime are described, that is the thinningtype, the intensity of thinning, the thinning cycle, the thinning yield and the timing of thinning.The control ... about the age of first thinning, the type of thinning, the intensity of thinning, the thinning cycle, thethinning yield and the age at which thinning should cease. These ... UKSummaryThinning practice in Great Britain has been influenced in recent years by the growingrecognition of the threat of wind damage to plantations and by the decline in...
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