Báo cáo lâm nghiệp: "Afforestation/reforestation of New Zealand marginal pasture lands by indigenous shrublands: the potential for Kyoto forest sinks" ppt
Báo cáo lâm nghiệp: "Afforestation/reforestation of New Zealand marginal pasture lands by indigenous shrublands: the potential for Kyoto forest sinks" ppt
... of succession in NZ shrublands have
Figure 1. Potential area for afforestation/reforestation of marginal
pasture lands by indigenous shrublands and forests. Study site loca-
tions are also indicated.
... shrubland
or forest remnants. We assume, for the purposes of this study, that all
such land is eligible for the creation of Kyoto forest (for further dis...
Báo cáo lâm nghiệp: "Evaluation of new silvicultural alternatives for Scots pine stands in northern Spain" pot
... but
also others involving the preservation of biodiversity and the
landscape, etc., are the lengthening of the rotation, retention of
part of the trees in final cutting and, to a lesser extent, the ... with the retention of a portion of the stand in the final
cutting, and the extension of rotation to fulfill these non-timber producing objectives in the othe...
![Báo cáo lâm nghiệp: "Stability of Norway spruce (Picea abies [L.] Karst.) stands in the Beskid Śląski and Beskid Żywiecki Mts. from the aspect of their nutrition status" pptx](https://media.store123doc.com/images/document/2014_08/07/medium_imq1407381712.jpg)
Báo cáo lâm nghiệp: "Stability of Norway spruce (Picea abies [L.] Karst.) stands in the Beskid Śląski and Beskid Żywiecki Mts. from the aspect of their nutrition status" pptx
... to the standards set by C et al.
(1990), the content of calcium in the second year
of needles in all the analyzed groups of stands is on
the decrease for the growth of trees and, in the ... to the
atmosphere in recent years, the soils of the research
area show a higher degree of its presence in forests at
high altitudes than in the lower forest z...
Báo cáo lâm nghiệp: "Impact of drought and Hypoxylon mediterraneum on oak decline in the Mediterranean region" ppt
...
seem
to
act
by
reestab-
lishing
the
original
forest
composition
before
the
selective
pressure
of
coppice
manage-
ment.
Such
a
theory
was
also
proposed
by
other
authors
(Becker ...
(1988)
Oak
decline
alters
habitat
in
southern
upland
forest.
Proceed-
ings
of
the
annual
conference
of
the
Southeast
Asso-
ciation
of the
Fish
and
Wildlife...
Báo cáo lâm nghiệp: "Dynamics of light interception, leaf area and biomass production in the establishment year in Populus clones" pot
...
only
75%,
the
lowest
value
for
the
study
clones;
maxi-
mum
interception
for
the
other
2
clones
was
intermediate
(85%).
At
the
end
of
the
season
(mid-November),
the
2
parental
clones ...
Seattle,
WA
98195,
U.S.A.,
2
Institute of Forest Biology,
University
of
Tuscia,
01100
Viterbo,
Italy,
and
3
Forestry
Sciences
Laboratory,
USDA -Forest...
Báo cáo lâm nghiệp: "Amplification of root—fungus interface in ectomycorrhizae by Hartig net architecture" pot
...
probably
elicited
by
the
cortical
cells.
It
is
therefore
presumed,
that
the
growth
pattern
is
beneficial
for
the
cortical
cells
as
well
as
for
the
fungus.
By
modeling
we
try ...
by
the
cortical
cells,
although
the
plasmalemma
of
the
cortical
cells
is
not
enlarged.
Acknowledgments
The
investigations
have
been
supported
by
grants
from...
Báo cáo lâm nghiệp: "Composition of psocid taxocenoses (Insecta: Psocoptera) in Fageti-Piceeta s. lat. and Piceeta s. lat. forests in the Western Carpathian Mts" pps
... taxoceno-
ses structure. Furthermore, they might be a perfect
tool for evaluation of changes in forest ecosystems
in the future. We confirmed the hypothesis that
psocids, as a part of forest ecosystem, ... single habitats of the 7
th
AVZ occur in the
field of the 4
th
and 5
th
AVZ.
From the view of hydricity (q-axis), habitats of
the 7
th
AVZ are on the...
Báo cáo lâm nghiệp: "Study of natural hybridization between Alnus incana (L.) Moench. and Alnus glutinosa (L.) Gaertn" pptx
... characteristics change uniformly. For
instance, the finest leaves are at the base of young
stems. They increase gradually in size along the
length of the stem towards the apex. However, the
upper leaves ... in the zone of continuous
distribution of the species. Some increase in fre-
quency of hybridization is noted by the northern
boundary of the speci...
Báo cáo lâm nghiệp: "Analysis of some dynamic series of forest production and trends of forest economics in the Czech Republic" ppt
... in the same year at 23% (in
1995–2003 at 11–20%) and 41%, respectively.
e situation of Czech forestry is complicated by
the fact that the use of production potentials of the
forest and forest ... that the economy is built-up
by concrete economic agents – forest owners to-
gether with business entities engaged in forestry
(taking into account the nature of the...
Báo cáo lâm nghiệp: "Utilization of digital photogrammetry in forestry mapping" docx
... the qualitative aspects of features
(e.g. damage to the forest stands).
At the beginning of the 90’s, forestry mapping
changed from the analogue making of the maps with
thematic forestry themes ...
data for the creation of forest maps and projects for
various purposes such as position identification and
for the survey of the forest spatial organizat...
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