... 2000 (early spring) and, after the development of the first green
leaves, seedlings were installed directly on soil in the tree nursery be-
longing to the “Unidad de Genética Forestal” of INTA EEA ... forest
establishment in windy and/ or sloping sites, although experi-
mental testing of this idea is necessary.
Acknowledgements: We are grateful to L. Oudkerk for establishing
and...
... Vosges
mountains (France): Role of climate and sylviculture, Water Air
Soil Pollut. 48 (198 9) 77–86.
[6] Bert G.D., Impact of ecological factors, climatic stresses, and pol-
lution on growth and health of ... of the felled trees were signi-
ficantly (P ≤ 0.0 5) higher at the swelling level (31.9 ± 1.6 cm),
Table III. Incidence (percentage of affected trees) and inte...
... 28.8
Statistical analysis of the results of biometrical
studies shows considerable differentiation of tree lay-
ers of dying and living trees, particularly of larch (in
the period 1961–200 3) but also of ... trees in the last years (Table 5). In the course of
Table 6. e development of larch frequency in diameter classes (m) and mortality on the control plot...
... exchangeable (in nKCl) pH
was determined. In the surface humus, values of both
actual and exchangeable pH decrease with increasing
depth (Figs. 2 and 3) in all stands and the lowest values
were ... reaction into
particular buffer zones, soil in a spruce stand and in
mixed stands is included into an exchangeable zone
(aluminium zone of buffering). In the beech st...
... homogeneous yellowing of needles (chloro-
sis) and overall diminished vitality of aff ected trees. In
total 19 localities were selected in Loučná nad Desnou
Forest District (FD), Javorník FD, ...
Eff ects of drought on the yellowing status and the dynamics
of mineral elements in the xylem sap of declining spruce
(Picea abies [L. ] Karsten). Plant and Soil, 150: 303–306...
... enhanc-
ing techniques, such as polarization, darkfield illumination (DF), flu-
orescence (FL) or Nomarski differential interference contrast (NDIC)
may highlight crystals against lumina or cell walls and ... film and translated into one
of 256 grey-values – is an integrated value resulting from the
attenuation of X-rays by porous ligneous material (cell walls
including about 12% moisture...
... resistance of expanding current-year
needles of the Canary Island pine and subalpine evergreen
timberline conifers of continental Europe suggest that frost
hardening during sprouting and cell elongation ... 2004 (thin line) in
the Botanical garden of the university of Innsbruck (600 m
a.s .l. ) and (thick line) at 1950 m a.s .l. on Mt. Patscherkofel
(Klimahaus).
sprout...
... the end
of the service life of the building elements. If all the wood that
is additionally used in the building stock will be used thermally
in specialised wood incinerators, an additional energetic ... onward;
Table V. Fuel inputs and GHG emissions of different installations for the generation of 1 TJ usable energy (278 MWh) [8].
Fuel Size of the installation
(kW)
Fuel quanti...