Báo cáo lâm nghiệp: "Relative efficiency of alternative methods to evaluate wood stiffness in the frame of hybrid larch (Larix × eurolepis Henry) clonal selection" potx
Báo cáo lâm nghiệp: "Relative efficiency of alternative methods to evaluate wood stiffness in the frame of hybrid larch (Larix × eurolepis Henry) clonal selection" potx
... Pilodyn.
The final objective of this study is to ascertain the easiest
method of ranking hybrid larch clones according to their wood
stiffness.
2. MATERIALS AND METHODS
2.1. Testing methods
The first ... radial faces of the same ring, in the same orientation (North and
South): 2 measurements were carried out in the heartwood, and 2 in
the sapwood.
Th...
Báo cáo lâm nghiệp: "Relationships between stem size and branch basal diameter variability in Norway spruce (Picea abies (L.) Karsten) from two regions of France" doc
... between the thickest branch and
thinnest one increases as and when the tree grows.
• With tree ageing, living whorls also contained dead thin branches
contributing to the inflation of the within-whorl ... achieved their
maximal diameter and are now turning into declining branches.
This zone constitutes in most cases the asymptote of the dia-
meter profile (Fig. 4). In...
Báo cáo lâm nghiệp: "Physiological, morphological and growth responses to rhizosphere hypoxia by seedlings of North American bottomland oaks" potx
...
Forests:
Gateway
To
Opportunity.
Pro-
ceedings
of
the
1978
Joint
Convention
of
the
Society
of
American
Foresters
and
the
Canadian
Institute
of
Forestry,
Society
of
American
Foresters, ...
RL
(1981)
Flood
tolerance
and
related
characteristics
of
trees
of
the
bottomland
forests
of
the
southern
United
States.
In:
Wetlands
of
Bottomland...
Báo cáo lâm nghiệp: "A growth model for Pinus radiata D. Don stands in north-western Spain" doc
... initial age provided sufficient information about
the future trajectory of the basal area of the stand, regardless
its thinning history. Therefore, the thinning effect is built into
the model, in ... volume
for the three time intervals evaluated. The solid line represents the
linear model fitted to the scatter plot of data and the dashed line is the
diagonal. R
2
i...
Báo cáo lâm nghiệp: "Modelling stand basal area growth for radiata pine plantations in Northwestern Spain using the GADA" doc
... radiata pine plantations 613
identical for all the measurements belonging to the same unthinned
growth period within a single plot, hereafter the individual being in-
vestigated. During the fitting ... were the inventories
carried out in 1995, 1998, and 2004 and on the date of the thinning
operations.
In addition, data from the first and second measurements of two
th...
Báo cáo lâm nghiệp: "A stochastic height-diameter model for maritime pine ecoregions in Galicia (northwestern Spain)" doc
... thinning must include
the thinning intensity, the stand age at the time of thinning and the time
since thinning [17, 25, 39, 61].
In this work, to consider the thinning effect, the term proposed ... predictor of the tree heights
Deterministic values of height can be obtained using the pre-
vious model, while the prediction of the stochastic values invol-
ves t...
Báo cáo lâm nghiệp:"A height-diameter model for Pinus radiata D. Don in Galicia (Northwest Spain)" docx
... similar
results to those of group 2, although the model of Tomé [40]
gives the best performance of all the models tested, according
to the values of the statistics used to compare the models in the
fitting ... in cm; D
max
= maximum diameter of the stand,
in cm; D
0
= dominant diameter of the stand, in cm; H
0
= dominant
height of the stand,...
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
... positions of the branches on the stem.
The tree bole was cut at 0.30 m and at 1m intervals thereafter up to
the base of the live crown (i.e. the point where the main stem bifur-
cated), and the part of ... (1)) into two types:
the “intrinsically linear” type which assumes a multiplicative error in
raw data and the “intrinsically nonlinear” type with an additive r...
Báo cáo lâm nghiệp:"Competition for water between beech seedlings and surrounding vegetation in different light and vegetation composition conditions" ppsx
... very high; about 60% of the PAR
was transmitted at 20 cm below the apex of the beech seed-
lings in both cases. Taking into account the PAR intercepted
by the pine cover and the ground vegetation ... (October 2001) of the growing
season on a sample of 50 beech seedlings in the middle of the pine
plots (P – V, P + V) to avoid edge effects and to have the s...
Tài liệu Báo cáo Y học: Granule-bound starch synthase I A major enzyme involved in the biogenesis of B-crystallites in starch granules ppt
... cereal
endosperm storage starch where amylose continues to
accumulate at the final stage of starch synthesis in the
absence of concomitant amylopectin synthesis (reviewed in
[41]).
In vitro
synthesis of amylose
Because ... independent recombinant strains obtained from a
cross involving CS9 and IJ2 parental strains.
Table 1. Kinetics of in vivo synthesis of amylose. In...
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