Báo cáo lâm nghiệp: "Photosynthesis and growth of present New Zealand forest trees relate to ancient climates" ppt
Báo cáo lâm nghiệp: "Photosynthesis and growth of present New Zealand forest trees relate to ancient climates" ppt
...
warmer
than
today.
That
warmth
was
maintained
Photosynthesis
and
growth
of
present
New
Zealand
forest
trees
relate
to
ancient
climates
B.J.
Hawkins
G.B.
Sweet*
School
of
Forestry, ...
temperature
and
actual
growing
season
temperature.
New
Zealand s
forest
tree
species
are
ancient
and
they,
or
their
closest
ances-
tors,
have
been
a
d...
Báo cáo lâm nghiệp: "Survival and growth of outplanted seedlings of selected tree species on the High Tatra Mts. windthrow area after the first growing season" pps
... of bareroot and
Table 1. Basic characteristics of the bareroot and containerized planting stock of forest tree species planted in autumn
2008 and spring 2009 (with and without application of ...
planting stock. A decisive parameter is the condi-
tion of the root system, first of all the growth of
new roots that facilitate the uptake of nutrients and
water fo...
Báo cáo lâm nghiệp: "Survival and growth of Acacia mangium Willd. bare-root seedlings after storage and transfer from aeroponic culture to the field" pdf
... were
probably linked to the fact that the growth recovery was not ini-
tiated from the top shoot but from lateral buds that formed a
new leader. The growth of topped seedlings has been reported
to recover ... Insti-
tute of Education of Singapore and the French Ministry of Foreign
Affairs. Thanks are also expressed to Olivier Crassard and Patrick
Durand respectively fo...
Báo cáo lâm nghiệp: " Survival and growth of Pinus halepensis Miller seedlings in a semi-arid environment after forest soil transfer, terracing and organic amendments" docx
...
It
helps
to
limit
runoff
and
promotes
infiltration
(Dent
and
Murtland,
1990).
In
our
experiment,
the
combination
of
mech-
anical
terracing
and
USR
addition
led
to
an
increase ...
mortality
and
growth
of
P
halepensis
in
the
semi-arid
cli-
mate
of
southeast
Spain.
The
addition
of
USR
enhanced
plant
growth
in
all
the
treat-
ments.
Roldá...
Báo cáo lâm nghiệp:"Nutrition and growth in newly established plantations of Eucalyptus globulus in northwestern Spain" doc
... satisfactory in all of the
plantations. However, most of the plantations showed low lev-
els of P and Ca, and some, of K and Mg. In addition, the levels
of Ca were below the lowest values of the ... range of soil and climatic
conditions and site preparation techniques. The information
obtained should help to better understand the factors affecting
growth of eucal...
Báo cáo lâm nghiệp: "Structure and development of forest stands on permanent research plots in the Krkonoše Mts" pdf
... e presented research on structure and develop-
ment of forest stands in national parks of Krkonoše
Mts. describes the stand of forest ecosystems before
during and after the air pollution and ... result of changing genera-
tions of beech. In Krkonoše Mts. the largest reported
tree is silver fi r with 182 cm of dbh and 58 m of height.
Total volume of forest stan...
Báo cáo lâm nghiệp: "Extent and distribution of beech (Fagus sylvatica L.) regeneration by adult trees individually dispersed over a spruce monoculture" ppsx
... beech trees have regenerated in spruce monocultures and this
fact could be used to manage the transformation of stands into a mixed forest. Three such cases in the fir-beech and
spruce-beech forest ... ese were
hidden in the forest floor in groups of two to eight,
100 to 200 m uphill on the transformational border
between beech forest and spruce forest, or in sp...
Báo cáo lâm nghiệp: "Productivity and cost of manual felling with a chainsaw in Caspian forests" pptx
... was 20 to
60% and the aspects of the slopes were northern.
e total volume of production was 1,900 m
3
and
the skidding of production was done from the stump
area to the roadside landing ... 2009 (2): 96–100
JOURNAL OF FOREST SCIENCE, 55, 2009 (2): 96–100
e area of natural forests in Iran is approximately
12.4 million hectares, equal to 7.5% of the total area
o...
Báo cáo lâm nghiệp: "Quantity and distribution of fine root biomass in the intermediate stage of beech virgin forest Badínsky prales" potx
... proportion of roots 5 mm in diameter
accounted for 1–23%. According to K and
B (2002) the ratio of the roots with diameter up
to 5 mm represents 7–10% of the total root biomass
of selected ...
hardwood forests. Journal of Ecology, 84: 167–176.
HENDRICKS C.M.A., BIANCHI F.J.J.A., 1995.
Root den-
sity and root biomass in pure and mixed forest stands of
Doug...
Báo cáo lâm nghiệp: "rigins and diversity of the Portuguese Landrace of Eucalyptus globulus" doc
... south-eastern
Tasmania and to a lesser extent south-eastern Victoria.
The Otway region of western Victoria and King Island
remain as possible, but not likely, areas of origin for some
Portuguese Landrace individuals. ... races of this
species allowed us to uncover the Australian origins of the Portuguese Landrace and to study its genetic diversity. To achieve this, we se...