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

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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 ... 452–461JOURNAL 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...
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Báo cáo lâm nghiệp: "Air pollution load and stand nutrition in the Forest District Jablunkov, part Nýdek" docx

... of the 1990s. Forest soils showing the insufficiency of main nutrients remain today as the main factor affecting the forest vitality. e situation in the soil is subsequently reflected in the nutrition ... of the decline of Norway spruce (Picea abies [L.] Karst.) stands in Jablunkov, with a focus on air pollution load, and the state of forest soil and nutrition of forest stands.MATERIAL AND ... factor affecting the forest stands is the state of forest soils which shows the insufficiency of the main nutrients available, and sometimes in the total amount as well. e situation in the soil...
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Báo cáo lâm nghiệp: "Modelling dominant height growth and site index curves for rebollo oak (Quercus pyrenaica Willd.)" pptx

... 929c INRA, EDP Sciences, 2006DOI: 10.1051/forest:2006076Original articleModelling dominant height growth and site index curves for rebollo oak (Quercus pyrenaica Willd.)Patricia Aa*,IsabelC˜b, ... A dominant height growth model and a site index model were developed for rebollo oak (Quercus pyrenaica Willd.) in northwest Spain.Data from 147 stem analysis in 90 permanent plots, where rebollo ... looking for relationships between site index and ecological variables [22,49], the analysis is fa-cilitated with a single dominant height growth pattern.Modelling dominant height growth for Q. pyrenaica...
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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.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...
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Báo cáo lâm nghiệp: " Managing diameter growth and natural pruning of Parana pine, Araucaria angustifolia (Bert.) O Ktze., to produce high value timber" ppt

... 2005DOI: 10.1051/forest:2005008Original article Managing diameter growth and natural pruning of Parana pine, Araucaria angustifolia (Bert.) O Ktze., to produce high value timberLeif NUTTOa, Peter ... present work was to analyse diameter growth and the relationship of natural pruning and various morphologicalcharacteristics of Parana pine (Araucaria angustifolia (Bert.) O Ktze.) growing on different ... diameters and short rotations of 30 to 40 years of Parana pine in southern Brazil.The only reasonable alternative is to artificially prune Parana pine in order to increase the proportion of valuable...
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Báo cáo lâm nghiệp: "Modelling height and diameter growth of dominant cork oak trees in Spain" ppt

... ageing of cork oak stands, loss of cork quality [41], intense pruning [8] and increased cork oak decline (“seca”) [27]. Cork oak stands in Spain can be differentiated into open cork oak woodlands ... treatments. In this study, we have developed height and diameter growth models for dominant cork oak trees using stem analysis data from two of the main cork producing areas in Spain.Difference forms of ... asrepresented by the dominant trees [22]. Height growth of dom-inant trees is used mainly to define the site index in even-agedstands and is one of the basic equations or submodels in growth and yield...
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Báo cáo lâm nghiệp: "Assessing the nutritional and climatic response of temperate tree species in the Vosges Mountains" doc

... higher in the west of the mountain crest than in the eastern side, leading at a value of –20 mm of WB deficit in June for 400 m of altitude in the west side of the crest and 550 m of altitude in the ... (soilconditions) and physical (climatic) variables that most stronglyinfluence tree species composition in the forests of the Vosges Mountains; (2) estimate the response of tree species accordingto the main ... Ecological response of tree species in the Vosges Mountains 767hand, the better relationship between the composition of shrubs, herbaceous species and bryophytes and the nutritional variables...
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Báo cáo lâm nghiệp: "Age-related physiological and structural traits of chestnut coppices at the Castelli Romani Park (Italy)" pot

... sativa in the Castelli Romani Park, due to the favourable climatic and soil conditions for the species. Although the intensive exploi-tation of this area, the analysed coppice showed the great capac-ity ... indicator of potentialproductivity in response to changing factor [23, 25, 26, 42]. The analysis of the physiological traits trend underlined the importance of these traits as indicator of the resources ... different periods of the vegetative cyclereflected the trend of physiological traits. The results wereindicative of chestnut adaptability to environmental constraints and of its functional...
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Báo cáo lâm nghiệp: "Response to natural and simulated browsing of two Mediterranean oaks with contrasting leaf habit after a wildfire" docx

... latewinter to early summer, and eat foliage, shoots and acorns of oaks insummer and autumn [20]. We have carried out two different studiesin these rangelands to assess the effect of post-fire natural and ... Mediterranean oaks with contrasting leaf habit after a wildfireJosep Maria E*, Abdessamad H,JavierRCentre de Recerca Ecològica i Aplicacions Forestals (CREAF) i Unitat d’Ecologia, ... regeneration patterns and restoration practices after a large wildfire in NE Spain: Challengesfor fire ecology and landscape restoration, in: Trabaud L., Prodon R.(Eds.), Fire and Biological Processes,...
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Báo cáo lâm nghiệp: "Picea glauca dynamics and spatial pattern of seedlings regeneration along a chronosequence in the mixedwood section of the boreal forest" potx

... tremuloides and the resultantcanopy gaps formed, appear to be critical for P. glauca regen-eration in mature and old stands. Natural regeneration may beenhanced by taking advantage of the advanced regeneration during ... Recruitment pattern of P. glauca seedlings changed along the chronosequence. L(t)analysis (Fig. 4) showed that the spatial distribution of P. glauca seedlings was mainly random in 5, 16, 76, 77 y stands. In ... constituted96% of the total basal area in a 16 y stand and remained the dom-inant tree species until 93 y. Picea glauca dominated the treecanopy between 93 and 172 y coinciding with increasingP. tremuloides...
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Báo cáo lâm nghiệp: "Ecophysiological factors contributing to the distributions of several Quercus species in the intermountain west" docx

... noteEcophysiological factors contributing to the distributions of several Quercus species in the intermountain westJR Ehleringer,SL PhillipsDepartment of Biology, University of Utah, ... examineaspects of the water relations of these threeoak species native to the intermountain westand of their hybrids under common growthenvironments in order to evaluate ... precipitation inputs since the late spring. In contrast, the native species, Qgambelii, and the Q gambelii hybrids werealbe to maintain higher rates of gasexchange during this...
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Báo cáo lâm nghiệp: "Distribution, historical development and ecophysiological attributes of oak species in the eastern United States " pdf

... even in the absence of fire. ECOPHYSIOLOGICAL ATTRIBUTES OF EASTERN OAK SPECIES The studies reviewed in the previous sec-tions indicate that eastern oak species haveexpanded ... on the gently rolling till plains of Ohio and Indi-ana, and with Tilia americana in south-western Wisconsin, northwestern Illinois,northeastern lowa and southeastern Min-nesota. ... recruitment.CONCLUSION The rise in oak dominance in the eastern United States at the beginning of the Holocene epoch (10 000 years BP) wasassociated with warmer and drier condi-tions and...
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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 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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Báo cáo lâm nghiệp: " Compatible stem taper and stem volume functions for oak (Quercus robur L and Q petraea (Matt) Liebl) in Denmark" docx

... Defining a1-a10 as ...
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Báo cáo lâm nghiệp: "Winter moisture content and frost-crack occurrence in oak trees (Quercus petraea Liebl. and Q. robur L.)" ppt

... Winter moisture content and frost-crack occurrence in oak trees (Quercus petraea Liebl. and Q. robur L.)B. CinottiStation de Recherches sur la Qualite des Bois, INRA-CRF, ... 1978). In this paper, wereport our observations of winter moisture content variation in oak trees, using non-destructive sampling by increment cores, and relate it to frost-crack ... startingpoint of our interest in water in trees is theobservation that frost-cracks occur with ahigher frequency in trees growing on soilswith high winter moisture content (Schirp,1968)....
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