Báo cáo lâm nghiệp: "Comparison of ecosystem C pools in three forests in Spain and Latin America" doc
Báo cáo lâm nghiệp: "Comparison of ecosystem C pools in three forests in Spain and Latin America" doc
... main forest ecosystems pools from Spain and Latin America, this study compares C pools
of three forest ecosystems: a tropical deciduous forest in Mexico, a tropical wet forest in Cuba and a temperate ... 0–10 cm and 10–20 cm,
and their C concentrations were determined in automated C analyzer
(CM 5012, UIC, Inc). Soil C contents were calculated taking in ac-...
Báo cáo lâm nghiệp: "Comparison of the impact of blue spruce and reed Calamagrostis villosa on forest soil chemical properties" pot
... Ecology and
Systematics, 10: 53–84.
JANÍK R., 1998. e in uence of selected factors on the
biomass production of the Calamagrostis arundinacea
species in the conditions of submountain beech forests. ... species. However, we can expect positive
microclimatic effect of the spruce for interplantings
of selected target species. We can not also ignore
complicated conditions on...
Báo cáo lâm nghiệp: "Comparison of general tree characteristics of less known oak species Quercus dalechampii Ten. and Quercus polycarpa Schur" pot
... and classified as
attacked.
Collected data were processed with statistical soft-
ware Statistica 6.0. Means and standard deviations
were calculated for each characteristic within each
species. ... was carried out to evaluate statistical sig-
nificance of differences between both species within
each variable. For an interspecies comparison of
numbers of attacked trees I carried out...
Báo cáo lâm nghiệp: " Comparison of deposition fluxes on the open area and in mountain spruce stands of different density" pdf
... Kříž (Czech Republic)
1
4.2–5.7 Czech Republic
4
5.7–8.0 Czech Republic
5
3.3–4.2 Czech Republic
6
N-NO
3
–
5.4 ± 0.7 Bílý Kříž (Czech Republic)
1
3.2–6.3 Czech Republic
4
4.5–6.3 Czech Republic
5
1.8–3.2 ... than
in the dense stand, the accumulation and consequen-
tial conflux of water below the canopy was lower
and the interception of horizontal precipitation was
Table 3. List of...
Báo cáo lâm nghiệp: " Comparison of three methods to determine optimal road spacing for forwarder-type logging operations" pdf
...
forwarding cost (including travelling, loading and
unloading cost) or travelling costs (without loading
and unloading cost) are used in the calculation us-
ing observations from a forwarding study in ... spacing. e sum of roading cost
and travelling cost was also determined and plotted
for different road spacings.
e average road construction and maintenance cost
in the s...
Báo cáo lâm nghiệp: "Comparison of mycobiota of diverse aged spruce stands on former agricultural soil" pot
...
positive effect in manifestation of mycorrhizal activ-
ity was observed in correlation with narrow decrease
of acidity of soil on all stands. In 2007, highest inten-
sity of fructification occurred ... numerous. Laccaria laccata
was most abundant in the second year of growth
age. Similarly, according to A et al. (2004)
Hebeloma mesophaeum, Laccaria laccata, Laccaria...
![Báo cáo lâm nghiệp: "Comparison of morphological and physiological parameters of the planting material of Norway spruce (Picea abies [L.] Karst.) from intensive nursery technologies with current bareroot plants" ppt](https://media.store123doc.com/images/document/2014_08/07/medium_uwg1407381722.jpg)
Báo cáo lâm nghiệp: "Comparison of morphological and physiological parameters of the planting material of Norway spruce (Picea abies [L.] Karst.) from intensive nursery technologies with current bareroot plants" ppt
... Applications of chlorophyll fluorescence in forestry
and ecophysiology. In: Practical applications of chlorophyll
fluorescence in plant biology. DELL J.R., TOIVONEN P.
M.A Boston, Kluwer Academic ... year in container in the open air) – container
plants of the same height produced by an intensive
nursery technology.
In both types of planting material basic morpho-
logic...
Báo cáo lâm nghiệp: "Comparison of two types of ECOLURE lure on Ips typographus (L.) (Coleoptera: Scolytidae)" doc
... the efficiency of ECOLURE
CLASSIC gradually decreases and that is why the
value of the C/ T index also decreases until the bag
of ECOLURE CLASSIC is partly opened again. As
the efficiency of ECOLURE ... the increased number of
Fig. 2. Differences between C/ T indexes (calculated as follows: C/ T index
(during checking x)
divided by C/ T
index (during checking x–1
))
males at...
Báo cáo lâm nghiệp: "Comparison of physical and mechanical properties of tension and opposite wood from ten tropical rainforest trees from different species" pptx
... produced. From finely sanded
discs we focused on a macroscopic indicator of growth rate (ring)
clearly observable on the whole disc. According to species this in-
dicator can be related to anatomical ... resin content in all parts of the trunk).
Figure 2. Size of samples used for mechanical and physical proper-
ties. CSCP: Crushing strength in compression parallel to the grain.
C...
Báo cáo lâm nghiệp: "Regeneration of forest stands on permanent research plots in the Krkonoše Mts" pdf
... significantly affect spatial structure
of newly forming stands. In localities of large-ar-
ea stand decline, the site conditions significantly
change and approach those of open space, which
may ... which do not
occur in the Czech Republic (locality Chojnik and
the upper watershed of Lomniczka): Relict pine
woods, silver fir spruce forest, herb-rich beech
forest and the hig...
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