Báo cáo lâm nghiệp: "Soil carbon dioxide efflux in pure and mixed stands of oak and beech" potx
Báo cáo lâm nghiệp: "Soil carbon dioxide efflux in pure and mixed stands of oak and beech" potx
... TSR in the oak, mixed and beech stands.
The annual heterotrophic respiration of the forest floor ac-
counted respectively for 68, 74 and 51% of the annual FFR in
the oak, mixed and beech stands ... 10.1051/forest:2006098
Original article
Soil carbon dioxide efflux in pure and mixed stands of oak and beech
Mathieu J
*
, Frédéric A
´
, Franço...
Báo cáo lâm nghiệp: "The root-plant ratio changes in the first growing periods of wild cherry (Prunus avium L.) plantations" pptx
... interpretation of the data is that the efficiency
of root system in terms of plant growth remains
stable at least in that first growing period of plant in
the forest disregarding their functions of conduction ...
explaining 92% of the relationship.
An adequate proportion of fine roots (thinner
than 2 mm) in the root system is another important
parameter of planting s...
Báo cáo lâm nghiệp: "Soil compaction caused by 450C Timber Jack wheeled skidder (Shefarood forest, northern Iran)" doc
... dug in these 10 locations and with the use
of cylinder and standard sand, field soil compac-
tion tests were carried out. Each pit was 10 cm in
diameter and 15 cm in depth, the soil content of ... that in skidding opera-
tions using wheeled skidders, the severest compac-
tion occurred at 10 cm depth of soil and the effect of
compaction decreases with an increase in s...
Báo cáo lâm nghiệp: "Soil characteristics under selected broadleaved tree species in East Norwa" docx
...
T I. (2004): N and P leaching and microbial
contamination from intensively managed pasture and cut
sward on sandy soil in Finland. Agriculture, Ecosystems
and Environment, 104: 621–630.
S ... layers
and the mineral soil in forest stands dominated by
silver birch.
CONCLUSIONS
Referring to properties of soils under broadleaved
tree species, Humic Regosols in...
![Báo cáo lâm nghiệp: "Soil environment and nutrient status of Norway spruce (Picea abies [L.] Karst.) underplantings in conditions of the 8th FAZ in the Hrubý Jeseník Mts" potx](https://media.store123doc.com/images/document/2014_08/07/medium_vax1407381694.jpg)
Báo cáo lâm nghiệp: "Soil environment and nutrient status of Norway spruce (Picea abies [L.] Karst.) underplantings in conditions of the 8th FAZ in the Hrubý Jeseník Mts" potx
... 149
derplantings increases with a decreasing content of
these nutrients in needles. An opposite correlation
was determined for aluminium: with an increasing
proportion of this element in nutrition ... limit of the
lower optimum of 130 mg·kg
–1
. In the subsequent
organomineral horizon (Ae/Ep) the values of Ca
indicate the lower optimum reserves in the range
of 80–160...
Báo cáo lâm nghiệp: " Soil and plant communities development and ecological effectiveness of reclamation on a sand mine cast" ppt
... (P 2005). At
the mine development stage in the 1970s and 1980s
some parts of the pits were scheduled to be mined
again. However, falling demand for filling sand and
mining restrictions meant ... objective of
ecological research at post-mining sites is to iden-
tify the dominant processes and temporal trends
in ecosystem development and to use indicators of
e...
![Báo cáo lâm nghiệp: "Soil-forming effect of Grand fir (Abies grandis [Dougl. ex D. Don] Lindl.)" pot](https://media.store123doc.com/images/document/2014_08/07/medium_uhy1407381725.jpg)
Báo cáo lâm nghiệp: "Soil-forming effect of Grand fir (Abies grandis [Dougl. ex D. Don] Lindl.)" pot
... horizons of
particular stands. The content of plant available
phosphorus increased especially in the oak and
Grand fir stands, showing upward tendencies in all
parts of the young stand. Potassium ... fir and broadleaved stands, the increase in
upper horizons (L, F) was documented for Grand
fir and broadleaves. This probably indicates the
increased uptake of the...
Báo cáo lâm nghiệp: "Soil detritivore macro-invertebrate assemblages throughout a managed beech rotation" docx
... scandinavius, T. albipes and
G. marginata and the woodlouse P. muscorum had the highest
relative densities in old stands dominated by mull humus and
were linked to high herbaceous biomass and ... Species occurring in less than
3% of the sampling points were removed from the data set, so the
final matrix consisted of 45 lines (sampling points) and 14 columns
(identified speci...
Báo cáo lâm nghiệp: " Soil and tree water relations in mature oak stands of northern Germany differing in the degree of decline" pdf
...
the
declining
stand
(end
of
September).
At the
beginning
of
the
dry
period,
the
decrease
in
soil
matric
potentials
was
steeper
in
the
declining
stand
in
both
15
and
40 ...
oaks
of
the
declining
stand.
In
RWC,
the
most
distinct
differences
were
found
in
comparison
of
healthy
and
moderately
damaged
oaks,
irrespective
of
the
degree
of...
Báo cáo lâm nghiệp: "Multifunctional forestry practices as a land use strategy to meet increasing private and public demands in modern societies" ppt
... (6): 290–298
and managing responsibly. Openness and flexibility
in reacting to changing societal needs and values,
understanding of the ecological, social and economic
drivers determining their ... addresses the time perspective (permanent
and continuing), the kinds of activities (maintaining
and creating), the objectives (needs and goals), and
the qualifying criteria...
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