... de sorte que la hauteur à un âge
donné peut être estimée à partir de la hauteur à un autre âge, sans compromettre la validité des prédictions.
croissance en hauteur / classement des sites / équation ... pour prédire la croissance en hauteur et pour réaliser les classifications de qualité
des sites de plantation des pins sylvestres en Galice. Cette équation est invarian...
... temps après la coupe rase. La reconstitution relativement rapide des espèces naturelles du sous-bois
peut être due à la faible perturbation de la surface du sol forestier au moment de la coupe rase. ... D
a,c
a
Universidad de La Laguna, Departamento de Ecología, La Laguna, Tenerife, 38206, Spain
b
Universidad de La Laguna, Departamento de Botánica, La Laguna,...
... parasitoids on the
total population of the bark beetle was calculated
on base of the following mathematic relations.
Presumptions of utilize mathematic relations is
that one individual of parasitoid ...
L et al. 1994 studied the role of the para-
sitism and intraspecific competition in the popula-
tion dynamics of the bark beetle. C and L-
1994) on H. fraxini researche...
... cherry is similar to other
fast growing broadleaves such as Acer pseudopla-
tanus, Acer platanoides, Fraxinus excelsior (L-
1988; R et al. 1999; P 2007). However,
despite of its ... 267
and confirms that there is no “transition” between
the future crop tree and suppressed tree layer.
A similar situation can be observed in diameter
analysis. e trees that do not belong to ....
... Ministry of Education, Youth and Sports of the Czech Republic, Project No. MSM 6215648902.
Contribution to the knowledge of Clethrionomys glareolus
populations in forests of managed landscape in ... HL (26.8%). But
no large differences were found between the locali-
ties. e highest number of females with embryos
and placental scars was found in RB, probably due
to better overwintering ......
... excelsior), pedunculate oak
(Quercus robur), black poplar (Populus nigra), large-
leaved lime (Tilia platyphyllos) and common maple
(Acer campestre).
e Hájek locality (HA) (60 ha) is a typical produc-
tion ... includes
a number of miscellaneous woody species of various
age categories as well as small open areas, such as
meadows, small fields, and wetlands. Pedunculate
oak (Quercus robur...
... provides an optimization of
production system operations from the aspect of
the minimum level of produced heterogeneous sub-
stances related to the production unit and the mini-
mum costs related ... greater detail, not
only the kind of the logging and transport system but
also particularly the method of reaching its design
performance have to be considered.
Possibilities of increasing t...
... dilatata 15
65 **
Athyrium filix-femina 39
61 **
Acer pseudoplatanus s 28
57 **
Alnus glutinosa s 0
41 **
Betula alba s 0
28 **
Betula pendula s 0
14 *
Betula pendula A 0
12 *
Populus tremula ... International, Oxon, 1998.
[40] Lambinon J., De Langhe J.E., Delvosalle L., Duvigneaud J., 1992.
Nouvelle flore de la Belgique, du Grand-Duché de Luxembourg, du
Nord de la France et des r...
... Bong.
Betula pubescens Ehrh. Ranger et al., 1981 [42] Species
High C130
Betula pendula Roth.
Castanea sativa Mill. Huet et al., 2004 [20] Species Quercus robur L.
Fagus sylvatica L. Huet et al., ... existantes
du sol et de la végétation. Les stocks de carbone dans le sol, les humus et la végétation ont été mesurés sur 100 points distribués dans les classes
représentatives de l...