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Báo cáo lâm nghiệp:"Aboveground biomass relationships for beech (Fagus moesiaca Cz.) trees in Vermio Mountain, Northern Greece, and generalised equations for Fagus sp." ppt

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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

... 6215648902, and the Ministry of Agriculture of the Czech Republic, Project QG 60060.Response of the Norway spruce (Picea abies [L.] Karst.) root system to changing humidity and temperature conditions ... difference in the rooting depth of the whole root system (see Rooting depth of the whole root sys-tem). As the result of disqualification of anchors (due to their rots) the original rooting depth ... causes of the decline of spruce stands in five selected regions of the Czech Republic – from FAVZ 2 to FAVZ 5 in nutrient-rich and acidic sites. With respect to the size of the pa-per and to the...
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Báo cáo lâm nghiệp: "Cambioxylophagous fauna of young spruce stands damaged by snow in the Beskids" potx

... gradual. At the end of the growing season, 66% of phloem remained live or in the first stage of wilting. ere is available wood for the invasion of secondary cambiophages in the following growing ... colonized the breaks in particular. e upper and the lower side of the lying breaks-off differ in the intensity of attack and the degree of cover of these species. In young broken and open stands ... the invasion of bark beetles at the turn of June/July and at the end of the growing season, 90% of phloem being heavily wilted or dead. On standing breaks, the progress of the phloem dying...
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Báo cáo lâm nghiệp: "Horizontal structure of forest stands on permanent research plots in the Krkonoše Mts. and its development" ppsx

... given site condi-tions and stand type. From the aspect of horizontal structure, during the small forest development cy-cle, the majority of the stands in national parks of the Krkonoše Mts. proceed ... 539ment and to the documentation of a great impact of anthropogenic processes (mainly of air pollution and forest management) on the condition and de-velopment of the Krkonoše Mts. forests. ... national parks of the Krkonoše Mts. has brought about the knowl-edge of successions of developmental stages and phases in the most important stand types of the Krkonoše Mts. forests, both in...
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Báo cáo lâm nghiệp: "Health status of forest stands on permanent research plots in the Krkonoše Mts" pptx

... METHODSDescription of permanent research plots Similarly like in the evaluation of the condition and development of soils the condition and develop-ment of health status of forest stands were evaluated in ... described on the basis of evaluation of transition matrices describing the probability of a change in the assess-ment of defoliation of particular trees in defoliation classes. The condition and ... spruce stands in the Czech part of the Krkonoše Mts. on 32 PRP has been evaluated in the long run by foliage and by degrees of defoliation using the following scale:Degree of defoliationFoliage...
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Báo cáo lâm nghiệp: "Stability of Norway spruce (Picea abies [L.] Karst.) stands in the Beskid Śląski and Beskid Żywiecki Mts. from the aspect of their nutrition status" pptx

... determine the stability of spruce stands in the areas of threat to forest stability in the Beskid Śląski and Beskid Żywiecki Mts. in the light of their nutrition. In 2002 samples of soil and of ... Beskid Śląski Mts.; Beskid Żywiecki Mts.; Southern Poland 42 J. FOR. SCI., 54, 2008 (2): 41–48VIII, Province 1 of the Beskid Śląski Mts. and Beskid Mały Mts. and partly in Province 4 of the ... regionalization of Poland (T et al. 1990), the area of the present research is located in Carpathian Region Stability of Norway spruce (Picea abies [L.] Karst.) stands in the Beskid Śląski and Beskid...
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Báo cáo lâm nghiệp: "Cross-calibration functions for soil CO2 efflux measurement systems" doc

... wastested at Vielsalm forest campaign for all systems except for the “PP-Or” system. For this purpose, measurements performed with the dif-ferent particular protocols were compared to measurements obtainedwith ... The forth campaignwas performed in the Chaux forest (June 2004) with “Li-62”, “Li-He”, “PP-Ch” and “PP-Or” on 29 PVC collars. The collars were in-serted in the forest soil 2 weeks before measurements. ... P.M., Below-canopy and soil CO2 efflux in ponderosa pine forest, Agric. For. Meteorol. 94(1999), 171–188.[13] Le Dantec V., Epron D., Dufrene E., Soil CO2 efflux in a beechforest: comparison of...
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Báo cáo lâm nghiệp: "A growth model for Pinus radiata D. Don stands in north-western Spain" doc

... Spain(Received 15 September 2006; accepted 20 December 2006)Abstract – A dynamic whole-stand growth model for radiata pine (Pinus radiata D. Don) stands in north-western Spain is presented. In ... inventory data are available [4]. A growth model for Pinus radiata D. Don stands in north-western Spain 455Table I. Summarised data corresponding to the sample of plots and trees used for model ... Kotze [60], Trincado et al. [96], andDiéguez-Aranda et al. [40] in the development of forest growth models, mainly for plantations.Radiatapine (Pinus radiata D. Don) is well represented in the north...
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Báo cáo lâm nghiệp: "Merchantable volume system for pedunculate oak in northwestern Spain" doc

... NC:SAS Institute Inc, 2004.[48] SAS Institute Inc., SAS/ETS9.1.2. User’s Guide, Cary, NC: SASInstitute Inc., 2004.[49] SAS Institute Inc., SAS OnlineDoc9.1.2, Cary, NC: SAS InstituteInc., ... For. Sci. 64 (2007) 511–520 Available online at:c INRA, EDP Sciences, 2007 www.afs-journal.orgDOI: 10.1051/forest:2007028Original articleMerchantable volume system for pedunculate oak in ... merchantable volume of pedunculate oak (Quer cus robur L.) trees in Galicia, northwestern Spain. Accordingly, the purpose of the present study was to obtain equations for predicting merchantable volumes...
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Báo cáo lâm nghiệp: "A trait database for Guianan rain forest trees permits intraand inter-specific contrasts" docx

... Ann. For. Sci. 64 (2007) 781–786 Available online at:c INRA, EDP Sciences, 2007 www.afs-journal.orgDOI: 10.1051 /forest: 2007058Original articleA trait database for Guianan rain fore st trees ... Écologie des For ts de Guyane, Kourou, France(Received 11 November 2006; accepted 13 March 2007)Abstract – We present a plant trait database covering autecology for rain forest trees of French ... Life-history traitsof the northwest European flora: The LEDA database, J. Veg. Sci.14 (2003) 611–614.[24] Kuhn I., Durka W., Klotz S., BiolFlor – a new plant -trait database as a tool for plant...
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Báo cáo lâm nghiệp: "Aboveground biomass relationships for mixed ash (Fraxinus excelsior L. and Ulmus glabra Hudson) stands in Eastern Prealps of Friuli Venezia Giulia (Italy)" pptx

... 831Ann. For. Sci. 62 (2005) 831836â INRA, EDP Sciences, 2005DOI: 10.1051/forest:2005089Original articleAboveground biomass relationships for mixed ash (Fraxinus excelsior L. and Ulmus glabra Hudson) ... – About 5% of forest area of Friuli Venezia Giulia (Italy) is covered by mixed ash stands. In most cases, these are secondary forestestablished on former pastures and grasslands in the last ... 1997.[11] Le Goff N., Granier A., Ottorini J.M., Peiffer M., Biomass incre-ment and carbon balance of ash (Fraxinus excelsior) trees in anexperimental stand in northeastern France, Ann. Sci. For. 61...
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Báo cáo lâm nghiệp:"Aboveground biomass relationships for beech (Fagus moesiaca Cz.) trees in Vermio Mountain, Northern Greece, and generalised equations for Fagus sp." ppt

... articleAboveground biomass relationships for beech (Fagus m oesiaca Cz.) trees in Vermio Mountain, Northern Greece, and generalised equations for Fagus sp.Dimitris ZIANIS*, Maurizio MENCUCCINI Institute ... to develop biomass equations for beech (Fagus moesiaca Cz.) trees growing in Vermio Mountain, Northern Greece. Some preliminary results werepresented by Zianis and Mencuccini [35]; in this paper, ... role in sustainable management and in estimating the stocks of carbon (C) that forests contain. In addition to making estimates of C pools in forests, estima-tion of biomass is relevant for studying...
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Báo cáo lâm nghiệp:"Root biomass distribution under three cover types in a patchy Pseudotsuga menziesii forest in western Canada" pptx

... 10.1051 /forest: 2003040 Original articleRoot biomass distribution under three cover types in a patchy Pseudotsuga menziesii forest in western CanadaAndrew D. RICHARDSON a *, Catherine BEALLE STATLANDb, Timothy ... hori-zontal lines indicate the mean value across all three cover types. Hea-vier, short lines indicate means within each cover type. In Figure 4b,values next to each mean indicate the percentage ... corresponding to the canopy opening abovethe pinegrass-dominated patches. Calamagrostis rubescens / Douglas-fir / gap / Pseudotsuga menziesii / root biomass Résumé – Distribution de la biomasse racinaire...
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Báo cáo lâm nghiệp: "Aboveground litter production and bioelement potential return in an evergreen oak (Quercus rotundifolia) woodland near Salamanca (Spain)" docx

... nutrientsduring the hot season (Ferrés et al,1984) Short noteAboveground litter production and bioelement potential return in an evergreen oak (Quercus rotundifolia) woodland near Salamanca ... quan-tify and determine the temporal and spatialdistribution of the litter fall in evergreen oaks and to determine the potential return of bioelements to the soil and ... oak litter did notyield any inorganic N in the first year, and only 2 kg ha-1 in the second year; this factmeans that the inorganic N comes mainlyfrom the mineralization...
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Báo cáo lâm nghiệp: "Canonical correspondence analysis for forest site classification. A case study* " ppt

... vegetation-envi-ronment relationships by canonical correspondence analysis. Vegetatio 69, 69-77 Original articleCanonical correspondence analysis for forest site classification. A case study* JC ... λCA,2 ≥ ≥ λCA,k ≥λCA,k + 1 ≥ The same quantities, λCCA,k, may becomputed for CCA and the inequality ... interpreted. A usual way for assessing the quality of CA isto compute, λCA,k, the eigenvalue associated tothe kth ordination axis: λCA,1 ≥ λCA,2...
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Báo cáo lâm nghiệp: "A micropropagation system for Eucalyptus dunnii x Eucalyptus sp" pot

... greenhouse under high humidity.Discussion and Conclusion Micropropagation is a viable system for mass propagation of E. dunnii x Eucalyp-tus sp. High shoot multiplication rateswere ... survival) undergreenhouse conditions indicates, oncemore, the potential of this method to pro-pagate E dunnii x Eucalyptus sp. hybrids.ReferencesDe Fossard R.A. (1981) In: ... of riboflavin re-duced the rooting capacity of the explantsand promoted the development of anundesireable root system with fewer roots,which were more brittle than those...
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