Báo cáo lâm nghiệp: "Hourly and daily variations of xylem sapflow in sweet chestnut coppices using a thermal measurement method" ppsx
Báo cáo lâm nghiệp: "Hourly and daily variations of xylem sapflow in sweet chestnut coppices using a thermal measurement method" ppsx
...
744
J-cm-
2
-d-
1
and
sapflow
=
0.8
mm
’
d-
1
(Fig.
2).
Both
Figs.
1
and
2
show
an
influence
of
net
radiation
on
sapflow
variations.
With
a
daily
time
step,
transpiration
T
is
about
equal ...
and
plotted
against
the
vapor
pressure
deficit
(VPD)
(Fig.
3).
The
relationship
is
quite
good
and
reveals
an
apparent
limit
to
forest
transpirati...
Báo cáo lâm nghiệp:"Intra- and interspecific variations of polycyclism in young trees of Cedrus atlantica (Endl.) Manetti ex. Carrière and Cedrus libani A. Rich (Pinaceae)" pot
... 2002070
Original article
Intra- and interspecific variations of polycyclism in young trees
of Cedrus atlantica (Endl.) Manetti ex. Carrière and Cedrus libani
A. Rich (Pinaceae)
Sylvie Sabatier*, ... populations of C. atlantica and C. libani. Thus, an archi-
tectural analysis [7, 28] of these two species was undertaken
in order to evaluate the phenotypic variations withi...
Báo cáo lâm nghiệp: "Intra- and interannual variations of transpiration, leaf area index and radial growth of a sessile oak stand (Quercus petraea)" doc
...
seasonal
and
annual
time
paces.
The
modifications
of
transpiration
were
successively
analysed
as
a
consequence
of
i)
seasonal
and
annual
variations
in
leaf
area
index
and
ii) ...
both
a
daily
and
annual
basis.
Leaf
area
index
(LAI,
the
ratio
of
leaf
area
per
unit
ground
area)
was
often
found
to
be
a
powerful
parameter
for
the
a...
Báo cáo lâm nghiệp: "Seasonal and intraspecific variation of frost tolerance in leaves of three Canarian laurel forest tree species" doc
... susceptibility to damage
Table III. Average values and standard deviations of the Fv/Fm para-
meter in response to freezing temperatures in sun and shade leaves of
Myrica faya during warm and cold seasons.
M. ... Fv/Fm para-
meter in response to freezing temperatures in sun and shade leaves of
Laurus azorica during warm and cold seasons.
L. azorica
Temperature
(°C)
Sun...
Báo cáo lâm nghiệp: "Latitudinal and altitudinal variation of bud burst in western populations of sessile oak" docx
... Original
article
Latitudinal
and
altitudinal
variation
of
bud
burst
in
western
populations
of
sessile
oak
(Quercus
petraea
(Matt)
Liebl)
A
Ducousso
1
JP
Guyon
A
Krémer
1
1
Laboratoire ...
authors
obtained
large
variations
between
populations
and
these
variations
are
linked
to
altitude,
latitude
and
spring
frost
tolerance.
The
northern
popul...
Báo cáo lâm nghiệp: "Growth and physiological state of beech seedlings grown in a nursery in different light conditions" docx
... (2003): Growth and biomass partitioning of Fagus
sylvatica L. and Quercus robur L. seedlings in response to
shading and small changes in the R/FR-ratio of radiation.
Annals of Forest Science, ...
Standard Methods. In partial samples assimilatory
organs (number of leaves, their area and dry mat-
ter) were evaluated in detail in relation to the other
parts of s...
Báo cáo lâm nghiệp: "reproductive and morphometric characteristics of wild boar (Sus scrofa) in the Czech republic" pot
...
undressed individual, (ii) the weight of a dressed in-
dividual including head and legs, or (iii) the weight
of a dressed individual without head and legs.
Age was determined in all animals. In indi-
viduals ... that in case
there is an abundance of food available during the
preceding autumn and favourable environmental
factors, the time of farrowing comes earli...
Báo cáo lâm nghiệp: "rowth and health state of silver fir (Abies alba Mill.) in the ridge area of the Jizerské hory Mts" docx
... parameters
in the planting variants and blocks were tested using
t-test, confidence intervals, and two-factor analysis
of variance ANOVA (M, M 2002).
RESULTS AND DISCUSSION
Average ...
beginning of autumn. e height growth was evalu-
ated according to the parameters of all living fir indi-
viduals in 2007 and according to 20% of the highest
individuals to avo...
Báo cáo lâm nghiệp: "Spatial and temporal diversity of wood decomposer communities in different forest stands, determined by ITS rDNA targeted TGGE" potx
... for all stands and dates
together, and bacterial diversity after 2 years are given. Variability explained by the 1st axis of indirect analyses (mostly PCA), all canonical
axes (mostly RDA) and ... and selected environmental factors. An initial DCA analysis
was used to assess the trend of the data along the gradient. Because
the structure was mostly linear, PCA and RDA were calcu...
Báo cáo lâm nghiệp: "Floristic and structural recovery of a laurel forest community after clear-cutting: A 60 years chronosequence on La Palma (Canary Islands)" ppt
... Ager-
atina adenophora: Ageraden; Agrostis castellana: Agrocast; Aira caryophyllea: Airacary; Anagallis arvensis: Anagarve; Aphanes micro-
carpa: Aphamicr; Arrhenatherum elatium: Arrhelat; Asplenium ... 25 YAH) are discriminated from one another along
Axis 1 on the basis of increasing basal area and aerial biomass
and decreasing values of all other structural measures.
The DCA ordinat...
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