Báo cáo lâm nghiệp: "Diﬀerential photosynthetic and survival responses to soil drought in two evergreen Nothofagus species" docx

Báo cáo lâm nghiệp: "Amounts of throughfall and lysimetric water in a sub-mountain beech forest in the Kremnické vrchy Mts" ppt

... by the Scientiﬁc Grant Agency of the Ministry of Education of Slovakia and Slovak Academy of Sciences VEGA, Project No. 2/0045/08.Amounts of throughfall and lysimetric water in a sub-mountain ... 207–211 Water as a substantial component of the living environment is a limiting factor for plants, animals and humans themselves. e amount of (surface and ground) water signiﬁcantly in uences, ... place, commercial aspects of this fact are reach-ing the top of the agenda. e potential reserves of “suitable” water are continually decreasing, mainly due to negative human activities. riftless...

Báo cáo lâm nghiệp: " Influence of temperatures and precipitation on radial increment of Orlické hory Mts. spruce stands at altitudes over 800 m a.s.l" ppt

... to examine the eﬀect of the most important climatic factors (tem-perature and precipitation) on the radial increment of selected spruce stands in the Orlické hory Mts. MATERIAL AND METHODSResearch ... Inﬂuence of temperatures and precipitation on radial increment of Orlické hory Mts. spruce stands at altitudes over 800 m a.s.l. M. R, P. Č, T. K, E. P, T. ŽFaculty of ... from 1888 to 2007.Creation of the climatic time series for the Orlické hory Mts. For the purposes of our research the climatic time series of temperatures and precipitation for the Orlické hory...

Báo cáo lâm nghiệp: "Germination of acorns and development of oak seedlings (Quercus robur L.) following flooding" pot

... weeks and live plants were found even after 14 weeks (R, B 2002). Under the aforementioned conditions Germination of acorns and development of oak seedlings (Quercus robur L.) following ... flooded areas of North American ripa- rian forests (upland oaks) have a higher sensitivity to flood than the oak species of the actual floodplains (bottomland oaks).e flooding of Quercus robur seeds ... 1961. Germination of cherrybark and nuttal oak acorns following flooding. Ecology, 42: 430–431.COLIN-BELGRAND M., DREYER E., BIRON P., 1991. Sen-sitivity of seedlings from different oak species to...

Báo cáo lâm nghiệp: " Root system development and health condition of sycamore maple (Acer pseudoplatanus L.) in the air-polluted region of Krušné hory Mts" ppt

... diﬀerences in the root system development and health condition were found either between the trees of identical height from self-seeding and from planting in the region of Krušné hory Mts. and in the ... 452–461JOURNAL OF FOREST SCIENCE, 53, 2007 (10): 452–461 Root system development and health condition of sycamore maple (Acer pseudoplatanus L.) in the air-polluted region of Krušné hory Mts.O. ... trees of the same height from planting with severe and small root system deformations in the region of Krušné hory Mts. and in the region of Bohemian-Moravian Up-land.(7) Mutual comparison of...

Báo cáo lâm nghiệp: "Density of juvenile and mature wood of selected coniferous species" pdf

... 123–130 123JOURNAL OF FOREST SCIENCE, 57, 2011 (3): 123–130Density of juvenile and mature wood of selected coniferous speciesV. G, H. V, K. H Faculty of Forestry and Wood Technology, ... objective of research was to determine the density of juvenile (JW) and mature wood (MW) of selected coniferous species growing in the Czech Republic. The research included the wood of Norway ... that wood of smaller diameter will be used.  is kind of wood predominantly contains juvenile wood, which has a diﬀ erent structure from that of mature wood. As wood density is one of the...

Báo cáo lâm nghiệp: "Evaluation of physiological and health state of Norway spruce plants with diﬀerent growth rate at juvenile stage after outplanting at" pdf

... of young spruces with known growth rate in a nursery and after outplanting are carried out in the framework of the grant project “Conservation of the stability and biodiversity of Norway spruce ... practice). Height and diameter growth and health status of outplantings are evaluated regularly on this research plot. A more detailed evaluation of phenology and physiological state was done in ... crown devastation 01234 170 J. FOR. SCI., 57, 2011 (4): 170–177JOURNAL OF FOREST SCIENCE, 57, 2011 (4): 170–177Evaluation of physiological and health state of Norway spruce plants with diﬀ...

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...

Báo cáo lâm nghiệp: "Forest yield index and its applicability to the assessment of future forest yields" docx

... role in projecting future multi-functional forests is to harmonize the requirements for the Forest yield index and its applicability to the assessment of future forest yieldsL. K1,2, ... Examples of relative yield assessment in assumed conditions of even-aged, fully stocked forest stands, for the main types of target forests and most frequent MGFTs in the model territory of Kysuce, ... with other forest functions. In order to optimize this process, an inevitable prerequisite is to quantify the wood-production function of future forests. In contrast to the majority of the other...

Báo cáo lâm nghiệp: "Diﬀerences in morphological and physiological responses to water-logging between two sympatric oak species" doc

... roburdisplays a larger tolerance to water-logging and associated roothypoxia [22, 23,53, 60]. This difference of tolerance to water-logging between the two oaks was used as a starting point to identify ... aimingat identifying morphological and physiological responses to root hypoxia that might differ between the two species. Potted seedlings were submittedduring seven weeks to a water-logging ... Sciences, 2006DOI: 10.1051/forest:2006068Original articleDifferences in morphological and physiological responses to water-logging between two sympatric oak species(Quercus petraea [Matt.] Liebl.,...

Báo cáo lâm nghiệp: "Diﬀerential photosynthetic and survival responses to soil drought in two evergreen Nothofagus species" docx

... online at:c INRA, EDP Sciences, 2007 www.afs-journal.orgDOI: 10.1051/forest:2007022Original articleDifferential photosynthetic and survival responses to soil drought in two evergreen Nothofagus ... increas-ing drought in N. nitida, remaining close to optimal values in N. dombeyi down to −2.5 MPa (Fig. 2). At Ψm> −1.5MPa,∆F/Fm and qP were lower in N. nitida than in N. dombeyi,reflecting ... inter-specific differences in survival de-creased when drought intensity increased and reached 0% at−3.1 MPa in both species.3.2. FluorescenceFv/Fm, ∆F/Fm and qP declined gradually with increas-ing...

Báo cáo lâm nghiệp: "Comparison of physical and mechanical properties of tension and opposite wood from ten tropical rainforest trees from diﬀerent species" pptx

... I. Radius and Growth Strains (ì106) mean value of tension wood and opposite wood zone from the ten studied trees. Radius Radius GS mean GS meanFamily Genus species author of TW of OW value ... to poplar trees, Ann. For. Sci. 60(2003) 371–378.[17] Coutand C., Jeronimidis G., Chanson B., Loup C., Comparison of mechanical properties of tension and opposite wood in Populus, Wood Sci. ... the trees (except one), we tried to estimate the diﬀerencesin radial growth between tension and opposite zone in the last pe-riod of growth when tension wood was produced. From ﬁnely sandeddiscs...

Báo cáo lâm nghiệp: "Stomatal response of Quercus pyrenaica Willd to environmental factors in two sites differing in their annual rainfall (Sierra de Gata, Spain)" potx

... to environmental factors in two sites differing in their annual rainfall (Sierra de Gata, Spain)M Rico,HA Gallego,G Moreno,I Santa ReginaInstituto de Recursos Naturales ... semi-empirical model of stom-atal conductance was used to improveunderstanding of the sensitivity to waterdeficit in deciduous oak species, in contrast to that of the evergreen ... due to spatial variability.The generality of these models needs to bewidely tested in a broader range of envi-ronmental conditions, including conditions of water deficit...

Báo cáo lâm nghiệp: "Limitation of photosynthetic activity by CO 2 availability in the chloroplasts of oak leaves from different species and during drought" pdf

... deviation from linearity, con-firming that even under stress conditions, Original articleLimitation of photosynthetic activity by CO 2 availability in the chloroplasts of oak leaves ... availability in the chloroplasts. Finally, the CO 2 availability decreased with increasing drought in the soil, stressing the importance of reducedinflux of CO 2 as an important ... therefore used combined mea-surements of gas exchange and chlorophyllfluorescence to estimate the availability of CO 2 in the chloroplasts of different species of oaks compared...

Báo cáo lâm nghiệp: "Influence of fire and tree-fell on physiological parameters in Quercus ilex resprouts" potx

... mineral content and leaf area (LA)determinations. Environmental conditions (inci-dent radiation [PAR], air and leaf temperature,vapor pressure deficit) during sampling and mesurements ... differences in nutri-ent (N,C,P,K and Ca) and soluble carbohydrate concentrations in leaves of resprouts originated after fire or after tree-fell indicates the independence of nutrients ... located within a Mediterranean watershed (northeast Spain). Resprouting vegeta-tion of Quercus ilex after fire or after tree-fell showed, during the next growing seasons, enhancedphotosynthesis,...

Báo cáo lâm nghiệp: "Modelling canopy conductance and stand transpiration of an oak forest from sap flow measurements " docx

... canopy conductance and stand transpiration of an oak forest from sap flow measurements A Granier,N BrédaÉquipe bioclimatologie et écophysiologie, unité d’écophysiologie forestière,Centre ... Weir PL (1992) Tran-spiration and canopy conductance in a pristine broad-leaved forest of Nothofagus: an analysis of xylem sap flow and eddy correlation measurements. Oecologia ... (1996)Comparison of sap flow and vapour flow at stand level and derivation of canopy conductance for Scotspine. Theoret Apl Climat (in press)Jarvis PG (1975) Water transfer in plants....

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