Báo cáo lâm nghiệp: "Stomatal conductance and xylem-sap abscisic acid (ABA) in adult oak trees" pdf

... (Special Issue): 74–81 Neuroptera, Raphidioptera and Mecoptera assemblages inhabiting young spruce (Picea abies) forests: dominance structure and seasonal activity patterns Ľ. V 1 , J. ... Neuroptera, Raphidioptera a Mecoptera mladých smrkových (Picea abies) lesů: struktura dominance a sezonní aktivita ABSTRAKT: Síťokřídlý hmyz (Neuroptera,...

Ngày tải lên: 07/08/2014, 03:22

... dominant stand and the volume of dead trees is not included in the calculation. Stand density was calcu- lated according to standard mensurational practice from the ratio of actual basal area ... is the 6 th report on the production potential and stability of mixed forest stands in uplands. A mixed beech/larch stand that was established by...

Ngày tải lên: 07/08/2014, 03:22

... moder in the unmixed spruce stand and mixed stands, mull-moder in the unmixed beech stand (according to N et al. 2001). The high accumulation of humus in H horizon in the mixed stand of ... floor occurs in the stand of larch with beech (52.6 t/ha) and the statistically lowest one in the unmixed beech stand (22.0 t/ha). e mixed s...

Ngày tải lên: 07/08/2014, 03:22

... Supported by the Ministry of Education, Youth and Sports of the Czech Republic, Project No. MSM 6215648902. Occurrence, biology and harmfulness of Galerucella lineola (F.) (Coleoptera, Chrysomelidae) ... or at the end of April and at the beginning of May (H, Fig. 1. A female of the alder biological form of Galerucella lineola Fig. 2. e body...

Ngày tải lên: 07/08/2014, 03:22

... Nor- way spruce (Picea abies [L.] Karst.) underplantings in the Hrubý Jeseník Mts. In the area concerned 19 research plots were established, representing the ridge sites of the 8 th FAZ of acid ... growth and development of Norway spruce plantings in the ridge part of the Hrubý Jeseník Mts. Keywords: Norway spruce; nutrient defi...

Ngày tải lên: 07/08/2014, 10:21

... 511 c  INRA, EDP Sciences, 2006 DOI: 10.1051/forest:2006033 Original article Crown architecture and leaf habit are associated with intrinsically different light-harvesting efficiencies in Quercus seedlings ... 37–39]. In agreement with this, we observed the lowest mean and total leaf areas in seedlings of Mediterranean oaks (Fig. 3). The reduction in...

Ngày tải lên: 07/08/2014, 16:20

... effect of land use change on the canopy structure and the understory light of a Holm oak woodland in central Spain. The woodland studied had two dis- tinct zones, one where the original woodland structure ... mean height of individual Holm Tab le I. Mean and standard deviation (SD) of canopy height, number of stems and basal area for the 900 1-m 2 sampling point...

Ngày tải lên: 07/08/2014, 16:20

... 897 c  INRA, EDP Sciences, 2006 DOI: 10.1051/forest:2006073 Original article Genetic variation and genotype by environment interactions of juvenile wood chemical properties in Pinus taeda L. Robert ... properties of juvenile wood (ring 3) and transition wood (ring 8), respectively. Thin wafers (200 àm) from earlywood and latewood of ring 3 and ri...

Ngày tải lên: 07/08/2014, 16:20

... Fe Sapwood 1 0.01 0.03 – 0.01 0.05 – – 0.20 0.07 0.02 Sapwood 2 – 0.03 – – 0.02 – – 0.18 0.07 – Sapwood 3 – 0.01 – – – – – 0.11 0.30 – Heartwood 1 < 0.01 < 0.01 – 0.01 < 0.01 – – 0.07 ... the formation of mineral inclusions is induced or increases when the main functions of the woody tissues shift from transport...

Ngày tải lên: 07/08/2014, 16:20

... longevity and location of live roots on lodgepole pine snags and stumps grafted to living trees and to determine whether these live roots affect the diameter growth of living trees. 2. MATERIALS AND ... 10.1051/forest:2006085 Original article The persistence and function of living roots on lodgepole pine snags and stumps grafted to...

Ngày tải lên: 07/08/2014, 16:20

... article Genetic variability and divergence among Italian populations of common ash (Fraxinus excelsior L.) Diana F, Ignazio M,PieroB * University of Turin, DIVAPRA Plant Genetics and ... Sequencing and Analysis Software). Genetic variability in common ash 161 Table I. Details of site and stand characteristics of common ash...

Ngày tải lên: 07/08/2014, 16:20

... 369 Ann. For. Sci. 62 (2005) 369374 â INRA, EDP Sciences, 2005 DOI: 10.1051/forest:2005032 Original article Quantitative trait loci mapping for vegetative propagation in pedunculate oak Caroline ... Sederoff R.R., Genetic mapping of quantitative trait loci (QTLs) controlling vegetative propagation in Eucalyptus grandis and E. urophylla, using the pseudo-testc...

Ngày tải lên: 08/08/2014, 00:22

... Tardieu and Davies, 1992) and related to reductions in leaf water potential (Tardieu and Davies, 1993). They might be of importance during gradually increasing and long-lasting ... take into account changes in the compartmen- tation of ABA both in leaves and in roots, transport from roots to leaves in the xylem sap, and from leaves to...

Ngày tải lên: 08/08/2014, 18:21

... refer to north and south directions, which Short note Are ecophysiological responses influenced by crown position in cork-oak? G Oliveira, C Werner, O Correia Secỗõo de Ecologia ... contribution was similar in all sections of the canopy, as a consequence of different leaf performances according to position in the crown. On the other hand,...

Ngày tải lên: 08/08/2014, 18:21

... bole attacks. It would thus play an essential role in the tree killing process and in the dieback of the forest, possibly explaining the very unusual nocivity of T piniperda ... tronc de tels sujets. Il pourrait donc expliquer le caractère très anormalement nui- sible de Tomicus piniperda en Chine méridionale. Chine / Tomicus piniperda...

Ngày tải lên: 08/08/2014, 18:21