Báo cáo lâm nghiệp: "Diﬀerential photosynthetic and survival

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...

Ngày tải lên : 07/08/2014, 03:22

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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 (temperature and precipitation) on the radial increment of selected spruce stands in the Orlické hory Mts. MATERIAL AND METHODS Research ... Inﬂuence of temperatures and precipitation on radial increment of Orlické hory Mts. spruce stands at altitudes over 800 m a.s.l....

Ngày tải lên : 07/08/2014, 03:22

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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 oak...

Ngày tải lên : 07/08/2014, 03:22

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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 ... 452–461 JOURNAL OF FOREST SCIENCE, 53, 2007 (10): 452–461 Root system development and health condition of sycamore maple (Acer...

Ngày tải lên : 07/08/2014, 04:20

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

... 123–130 123 JOURNAL OF FOREST SCIENCE, 57, 2011 (3): 123–130 Density of juvenile and mature wood of selected coniferous species V. 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....

Ngày tải lên : 07/08/2014, 10:21

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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 phen...

Ngày tải lên : 07/08/2014, 10:21

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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 conditions 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 ... 539 ment and to the documentation of a great impact of anthropogenic processes (mainly of air pollution and forest management) on the condition...

Ngày tải lên : 07/08/2014, 10:21

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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 yields L. 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 fre...

Ngày tải lên : 07/08/2014, 10:21

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

... robur displays a larger tolerance to water-logging and associated root hypoxia [22, 23,53, 60]. This diﬀerence of tolerance to water- logging between the two oaks was used as a starting point to identify ... aiming at identifying morphological and physiological responses to root hypoxia that might diﬀer between the two species. Potted seedlings were submitted durin...

Ngày tải lên : 07/08/2014, 16:20

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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.org DOI: 10.1051/forest:2007022 Original article Diﬀerential photosynthetic and survival responses to soil drought in two evergreen Nothofagus ... increasing drought in N. nitida, remaining close to optimal values in N. dombeyi down to −2.5 MPa (Fig. 2). At Ψ m > −1.5MPa, ∆F/Fm  and qP were lower...

Ngày tải lên : 07/08/2014, 16:21

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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 (ì10 6 ) mean value of tension wood and opposite wood zone from the ten studied trees. Radius Radius GS mean GS mean Family 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 oppos...

Ngày tải lên : 07/08/2014, 16:21

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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 Regina Instituto de Recursos Naturales ... semi-empirical model of stomatal conductance was used to improve understanding of the sensitivity to water deficit in deciduous oak species, in contr...

Ngày tải lên : 08/08/2014, 18:21

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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 article Limitation 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...

Ngày tải lên : 08/08/2014, 18:21

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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 indica...

Ngày tải lên : 08/08/2014, 18:21

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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 Bréda Équipe 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...

Ngày tải lên : 08/08/2014, 18:21

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