Báo cáo lâm nghiệp: "Floristic and structural recovery of a laurel forest community after clear-cutting: A 60 years chronosequence on La Palma (Canary Islands)" ppt
... and structural recovery of a laurel forest community after
clear-cutting: A 60 years chronosequence on La Palma
(Canary Islands)
Alfredo Manuel B
´
a
,JoséMaríaF
´
-P
a
, ... Brizmino; Calamintha sylvatica: Calasylv; Carduus clavulatus: Cardclav; Carex divulsa: Caredivu; Ce-
dronella canariensis: Cedr cana; Centaurea melitensis:...
...
action
of
animals
always
favour
the
appearance
of
so-called
traumatic
ring
shake.
ii)
It
clearly
emerges
that
certain
chestnut
trees
have
a
particularly
low
radial
mechan-
ical ...
a
silvicultural
type
and
of
a
technological
type
are
combined
in
one
and
the
same
work.
MATERIALS
AND
METHODS
Description
of population
The
population
under
exami...
... uorescence.
Evaluation of morphological characteristics
Detailed evaluation of morphological parameters
in one-year planting material prepared for out-
planting onto research plots was done in the ac-
credited ... ac-
credited laboratory Nursery Control according to
Standard Methods. In partial samples assimilatory
organs (number of leaves, their area and dry mat-
ter) were evaluat...
... is the same in the Doupov
area and Šumava as in Switzerland. At the age of
13–18months, the average body length in all our
localities is substantially less than in Switzerland.
Concerning ... examined individuals in a moun-
tainous region with an altitude of 200–1,800 m
a. s.l., with forest coverage of 60% and an agricul-
tural landscape (with an intensive type of agri...
... height increments of the fir plantations
after the application of amphibolite and dolomitic
limestone were higher than in the control variant.
Later on, the limestone-treated plantations slowed
down ... general, the hitherto development of the fir
plantations in 1994–2007 is evaluated as success-
ful; both of the plantations with the application of
rock meals and of the...
... sampling dates and tree species, for all stands and dates
together, and bacterial diversity after 2 years are given. Variability explained by the 1st axis of indirect analyses (mostly PCA), all canonical
axes ... solu-
tion and phosphate and potassium concentrations. There was
more inorganic nitrogen in the spruce and Douglas-fir stands.
Douglas-fir stands displayed extremely...
... may
create an unnatural message indicative of a conspecific popu-
lation that has mistakenly mass attacked an unsuitable and po-
tentially lethal non-host habitat or species, and may be strong
enough ... Visser J.H., Van Straten S., Maarse H., Isolation and identification
of volatiles in the foliage of potato, Solanum tubersum, a host plant
of the Colorado beetle, Leptinotarsa...
... were
extracted and soluble sugars and starch were analyzed as described by
Hansen and Møller
[11] and Iivonen et al. [15]. The concentration of
Table I. Morphological attributes (mean ± SD) of subsamples ... influence of desiccation, rough handling
and cold storage on the quality and establishment of Sitka spruce
planting stock, Forestry 63 (1990) 129–141.
[6] Eastman P...
... Edirca, Las Palmas
de Gran Canaria, 1986.
[11] González-Rodríguez A. M., Caracterización fotosintética de árboles
de la laurisilva canaria, Universidad de La Laguna, Tenerife, Spain,
1998.
[12] González-Rodríguez ... González-Rodríguez A. M., Morales D., Jiménez M.S., Gas
exchange characteristics of a Canarian laurel forest tree species
(Laurus azorica) in relation to environmen...
... the
European Union Joint Research Project FAIR CT95-0097,
“Adaptation and selection of Mediterranean Pinus and Cedrus for
sustainable afforestation of marginal lands”, Aristotle University of
Thessaloniki, ... at
Puechabon (Hérault; latitude 43° 42’ N, longitude 3° 37’ E). The
Puechabon site is located on a limestone plateau at 290 m above sea
level and with an annual rainfall...