... 17°58'46.72''E, 460 m a.s.l.;
Flight activity of Anthribus nebulosus Forster, 1770
(Coleoptera: Anthribidae) and notes to its life history
J. H
1,2
, M. T
3
1
Forestry and Game Management Research ... consump-
tion, mating behavior, and shelter selection of Anthribus
nebulosus Forster (Coleoptera: Anthribidae), an introduce...
... traps give information influenced by mi-
gration of beetles.
CONCLUSIONS
I. typographus remained dominant species on the
majority of sites having high intensity of tree infes-
tation mainly along ... understanding
of bark beetles spatial distribution. It may be used
for practical forest protection only as preliminary
information.
No environmental factor controlling observed...
... 57–62
Because of the lack of a recent survey of Cephal-
cia species in the Czech Republic, the goals of this
study were (i) to monitor web-spinning sawflies liv-
ing on spruce in mountainous regions ... species occurrence. Canonical axes explain 65.8%
of variability
J. FOR. SCI., 53, 2007 (Special Issue): 57–62 59
Table 1. Survey of studied web-spinning sawflies...
... intensity
of Melampsora larici-populina occurrence
and the value of growth traits and biomass yield
in Populus nigra
e correlation between the growth traits of stem
diameter and plant height and ... some clones (clones 7 and 107) no yield decline was
observed at all or it ranged only from 6% to 9% (clones
49 and 152). It is to note that clone 107...
... given site condi-
tions and stand type. From the aspect of horizontal
structure, during the small forest development cy-
cle, the majority of the stands in national parks of
the Krkonoše Mts. proceed ... 539
ment and to the documentation of a great impact
of anthropogenic processes (mainly of air pollution
and forest management) on the condition...
... METHODS
Description of permanent research plots
Similarly like in the evaluation of the condition
and development of soils the condition and develop-
ment of health status of forest stands were evaluated
in ... described on the basis of evaluation of transition matrices describing the probability of a change in the assess-
ment of defoliation...
... t
in 1998/99 and 74.9 t in 2000/01 (DFO 2002). Of the
total amount of asparagus exported from Nepal, the
An estimation of willingness to pay for asparagus
(Asparagus racemosus Willd.) collectors ... Pre-testing of questionnaire and its final set-
ting. Before formulating the exact wording of
the question, two meetings of collectors were
organized...
... 10.1051/forest:2006046
Original article
Infrared images of heat fi elds around a linear heater in tree trunks:
what can be learned about sap flow measurement?
Helmut T
a
*
, Nadezhda N
b
,JanC
b
a
Hahn-Meither ... isotherm of temperature T
S
parallel to the sap
flow direction. In absence of sap flow this axial distan...
... each
combination of plot and month. Annual leaf biomass was calculated
by summing monthly leaffall.
To quantify the phenological pattern of leaffall and the corre-
sponding phenological structure of the ... 2006)
Abstract – We monitored leaf biomass, seasonal changes in leaffall, and plot growth for 11 years post-thinning in a secondary deciduous har...
... the best way to increase the preci-
sion of BEFs would be the reduction in error of the biomass
and volume models (Fig. 5). Examining the sensitivity in un-
certainty of the BEF by ignoring the ... age-classes (reflecting the available format of source
data) and as a single value and to analyse the associated BEF
uncertainty for Norway spruce stands in...
... effect of bark stripping on wood produc-
tionincorkoak(Quercus suber L.) and problems of growth ring
definition, in: Pereira H. (Ed.), Cork oak and cork, Proceedings of
the European Conference on Cork ... average ring density; MND, minimum density; MXD, maximum density; EWD, earlywood density, LWD, latewood density; RW, ring width; LWP,
latewood percentage; HI, h...
... placement) of woody residues
from eucalyptus plantations on N availability and leaching, a
study was developed in controlled conditions (lysimetric ex-
periment), in the absence of nutrient uptake. ... rotation of eucalypts
plantations [19], and the environmental conditions are mod-
ified (e.g., soil water content, absence of root exudates and
root uptake). Although experi...
... 62 (2005) 377384
â INRA, EDP Sciences, 2005
DOI: 10.1051/forest:2005033
Original article
Water relations of cork oak (Quercus suber L.) seedlings in response
to shading and moderate drought
Marta ... are found to help cork oak seedlings to maintain
turgor during moderate water stress and under high light envi-
ronment (> 40% of full sun). In...
... h
i
).
Stem lateral surface area (A) is calculated as the sum of each
log lateral area and the lateral area of the cone formed by tree tip:
.
2
wG ⋅=
π
()
ii
ii
i
hh
GG
v −⋅
+
=
+
+
1
1
2
()
ntree
n
n
i
i
hh
G
vV ... dell'Appennino Pistoiese, in
Atti del seminario funzionalità del sistema faggeta, Accademia Ita-
liana di Scienze Forestali, 1995, pp. 309–318.
[6] Carey E., Sala A....
... Pilodyn.
The final objective of this study is to ascertain the easiest
method of ranking hybrid larch clones according to their wood
stiffness.
2. MATERIALS AND METHODS
2.1. Testing methods
The first ... radial faces of the same ring, in the same orientation (North and
South): 2 measurements were carried out in the heartwood, and 2 in
the sapwood.
Th...