... m
3
/ha (according to Report on
the Condition of Forests and Forestry in the Czech
Republic, 2004).
Timber felling
In the whole post-war period, annual timber fell-
ing in the forestry of Czech Republic ... some dynamic series of forest production
and trends of forest economics in the Czech Republic
V. K
Faculty of Forestry and Woo...
... on high
growing stock, wood production and especially the
values of mensurational indices attract attention. At
Analysis of herbicide effects on Douglas fir
(Pseudotsuga menziesii [Mirb.] Franco) ... Effect
of site preparation on survival and growth of Douglas fir
(Pseudotsuga menziesii [Mirb.] Franco) seedlings. New
Forests, 3: 89–98.
G L. (1...
... 2003 SP 26 028 OC 04 Modification of Utility Properties of
Wood Materials and Extension their Using.
Analysis of the production potential of raw wood
in the forests of Slovakia
R. P, J. M
National ... in the area dis-
tribution of age classes occurred mainly due to the
realization of regeneration felling, including salvage
felling in the sta...
... in the last decade of
April, the snow melting rate in spruce reached about
26 mm/day, in beech about 28 mm/day and in the
open area maximally 37 mm/day. All snow melted
in spruce and in the ... process of snow precipitation in the spruce and
beech stands, snow depth and snow water equivalent
were always higher in the leafless br...
... variability of the applied amount of fertilizers (meeting the required amount in the particular parts of Habovka
area)
2001). On the other hand, the complex analyses of
aerial spraying and quality ... needles
before the application of fertilizer or dolomitic lime-
stone, and to evaluate the total amount of substance
(whether the amount of substance...
... Brno, in the vicinity of the Brno
Dam, and the second area (area B) was situated
northeast of Brno, on the southern border of the for-
est ground belonging to the Křtiny Training Forest
Enterprise ...
for testing the aforementioned GPS JUNO ST, as the
accuracy quoted by the manufacturer is 1 to 5 m after
post-process correction.
Table 1. List of testi...
... original
Estimation de l’accroissement et de la production forestière
à l’aide de placettes permanentes concentriques
Jacques HÉBERT, Nils BOURLAND, Jacques RONDEUX*
Faculté universitaire des Sciences ... placettes circulaires uniques de
rayon fixe (18 m) équivalentes à la plus grande des placettes
concentriques. De cette manière, nous avons pu procéder...
... separating
peripheral wood (PW), red heartwood (RH) and non red heartwood
(NRH) points (mean for 342 boards).
Colour variations of European beech wood 631
Figure 6 illustrates these variations of colour for L* only ... 10.1051/forest:2005063
Original article
Studies on European beech (Fagus sylvatica L.).
Part 1: Variations of wood colour paramet...
... article
Classifying xylophone bar materials by perceptual, signal processing
and wood anatomy analysis
Loïc BRANCHERIAU
a
*, Henri BAILLÈRES
a
, Pierre DÉTIENNE
a
, Richard KRONLAND
b
, Bloen METZGER
b
a
... twice/cm by
marginal parenchyma bands in Swietenia, 15 times by bands
in Hymenolobium, while in the woods with poor acoustics the
tissues were disrupted 35–50 tim...
... (+6.1%
for the modulus of elasticity and +7.09% for the bending strength).
The swelling behaviour of the beech with red heart is slightly
increased. The hygroscopic behaviour of the red- hearted ... determine the quantitative colour differences of normal
and red- hearted wood and the behaviour of the colour differ-
ence during xenon-arc exposu...
... 137144
â INRA, EDP Sciences, 2003
DOI: 10.1051/forest:2003006
Original article
Analysis of log shape and internal knots in twenty Maritime pine
(Pinus pinaster Ait.) stems based on visual scanning and ... sawing simulation.
5. CONCLUSIONS
The use of visual scanning techniques and computer- aided
reconstruction was applied for Maritime pines...
... PRÉVISIONNELS
DE L’ANISOTROPIE ÉLASTIQUE
Valider la pertinence de la pyramide des modèles introduits
au chapitre précédent pose deux classes de problèmes. Il con-
vient, d’une part, de disposer de valeurs ... original
Paramètres structuraux et/ou ultrastructuraux facteurs
de la variabilité intra-arbre de l’anisotropie élastique du bois
Daniel GUITARD,...
... (1991) [7] in oleoresin of
P. pinea; the last seven acids in wood and bark by
Hafizoglu (1989) [5], and the first six, in soil of a P. pinea
forest and in plant material from this Pinus species ... 28%. The levels of these acids in trees 7 and 8 were
very similar to those of abietic acid, the main resin acid.
Lipophilic compounds in Pinus pinea L. 453
Table II...
...
after
a
2
wk
adaptation
period
as
the
slope
of
C0
2
concentration
over
time
in
the
whole
chamber
(Gaudillere
and
Mousseau,
1989).
During
the
two
1 st
2
wk,
the
C0
2
concentration ...
where
environmental
conditions
were
controlled
(22 /15°C
day-night,
15
h
photoperiod,
50%
RH).
Whole
plant
photo-
synthesis
at
25 0
jlmol-m-
2
s-
1
PPFD...
...
be
indicative
of
increased
partitioning
of
carbon
into
sucrose
(starch
decreases)
and
this
situa-
tion
is
obviously
continued
during
summer.
Class
li -specific
changes
in
pool ...
based
on
dry
weight)
differ
significantly
in
the
levels
of
starch,
TP
and
F26BP,
in
that
class
II
needles
show
a
decrease
in
starch,
compared
to
in-
crease...