Báo cáo lâm nghiệp: " A state-space approach to stand growth modelling of European beech" pot
Báo cáo lâm nghiệp: " A state-space approach to stand growth modelling of European beech" pot
... evaluated by plots of residuals against measure-
ment years and natural-geographical regions of Denmark according
to Jakobsen [22].
In addition to the visual appraisal of the errors a number of ... is often a limited amount of data available for esti-
mating the site-specific parameter. We employed a sensitivity
analysis to assess the importance of the available amount...
![Báo cáo lâm nghiệp: "Multivariate statistical approach to comparison of the nutrient status of Norway spruce (Picea abies [L.] Karst.) and top-soil properties in differently managed forest stands" potx](https://media.store123doc.com/images/document/2014_08/07/medium_yad1407356553.jpg)
Báo cáo lâm nghiệp: "Multivariate statistical approach to comparison of the nutrient status of Norway spruce (Picea abies [L.] Karst.) and top-soil properties in differently managed forest stands" potx
... population statistical evaluation of data
was usually done on a standard significance level
P < 0.05. e basic assumptions about data were as-
sessed by exploratory data analysis (EDA) according ... cluster
analysis (CLU) and principal component analysis
(PCA) (J 1998). Alternatively to CLU multi-
variate analysis of variance (MANOVA) was applied.
CLU and MANOVA were used...
Báo cáo khoa học: "A concurrent approach to the automatic extraction of subsegmental primes and phonological constituents from speech" docx
... design
and Windows application programming. It uses
standard object-class libraries for screen
management, standard relational database tools for
control of the lexicon and standard code ... both the initial
fricative and the final plosive at Stage 2. Again, it
may be possible to identify a unique word candidate
at the end of Stage 2, but if several candidates are
available, r...
Báo cáo lâm nghiệp: "A linkage among whole-stand model, individual-tree model and diameter-distribution model" ppsx
...
estimates of stand variables at tree-level,
S
Y
– estimates of stand variables at stand- level,
w
– weight factor,
2
T
σ
– variance of stand variables at tree-level,
2
S
σ
– variance of stand ... mean diameter in cm at age A
t
, D
mt
= arithmetic
mean diameter in cm at age A
t
, B
t
= stand basal area in m
2
·ha
–1
at age A
t
, Dsd
t
= diameter standard devi...
Báo cáo lâm nghiệp: "A digital photographic method for 3D reconstruction of standing tree shape" ppt
... related to the fact that digital photograph
manipulation allows more operations to be carried out than
could be accomplished with standard film technology, such as
the analysis of histograms of ... μH and μV are the horizontal and vertical scaling factors, re-
spectively, and μ0H and μ0V are the scaling factors at the centre of
the image.
We used a digital photograph of scaled pa...
Báo cáo lâm nghiệp: " A contribution to the properties of combined plywood materials" ppsx
... refraction of materials in the whole profile
and also in separate layers was not examined. e
failure of materials at separate layer interface ow-
ing to shear in bending oneself partially approved. ... load-
ing diagram (N); F
1
has to be approximately
10%, F
2
40% of maximal loading,
a
2
– a
1
– increase in the deflection of the sample at
the point of load force (mm...
Báo cáo lâm nghiệp: "A contribution to the resistance of combined plywood materials to abrasion" potx
... determination of the resist-
ance of surface layers of tested boards to resist abra-
sion to a base. A rotating test specimen fixed onto
a carrier is worn by the effect of loaded cylindrical
abrasive ... a way that a well-arranged and
integrated instruction for common users will be
created. is standard was used as an initial norm
thanks to its high popularity in Eu...
Báo cáo lâm nghiệp: "A survey of forest pollution with heavy metals in the Natural Forest Region (NFR) Moravskoslezské Beskydy with particular attention to Jablunkov Pass" docx
... quantity and quality of organic matter and by the altitude of sampling
sites. e higher values of medians of zinc, lead and cadmium contents are found in the area of the Pass. Chromium is
an ... ICP-AES as the technique of
detection (Z 1994).
Methods of statistical analysis
Exploratory statistical analysis involves the ex-
amination of mean values, coefficients of vari...
Báo cáo lâm nghiệp: "A change in structural diversity and regeneration processes of the spruce virgin forest in Nefcerka NNR (TANAP) in relation to altitude" docx
... breakdown stages. e analysis
Table 1. Average values of Clark & Evans, Füldner and Jaehne & Dohrenbusch indices per altitudinal category and
developmental stages
Altitudinal category ...
parts, highly gravelled, well-aerated and they leak
water very well. ey are acid or very acid, with great
stocks of humus and with the lack of easily accessible
nutrients. e average an...
Báo cáo lâm nghiệp: "Extended length rotation to integrate timber and pine nut production with the conservation of structural diversity in a Pinus pinea (L.) forest" pdf
... Table III can be used to calculate the most likely
of the four rot risk classes as a function, for each fixed basal
area, of the age and the dominant height of the stand, obtaining
for each value ... old stands, gradually reducing the area
managed through longer rotations. This theoretical model is
used to calculate the area that each age class must occupy, that
is the data to b...
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