Báo cáo khoa học: "Organic matter distribution and nutrient fluxes within a sweet chestnut (Castanea sativa Mill ) stand of the Sierra de Gata, Spain" pps
Báo cáo khoa học: "Organic matter distribution and nutrient fluxes within a sweet chestnut (Castanea sativa Mill.) stand of the Sierra de Gata, Spain" pps
... Martín A. , Gallardo J.F., Santa Regina I., Dinámica de
la descomposición de hojas de rebollo en cuatro ecosistemas
forestales de la Sierra de Gata (provincia de Salamanca,
Espa a) : Indices de descomposición, ... 1.3 m) of 10 cm and a mean height of 13 m, the
mean basal area is 28.58 m
2
ha
–1
, and the L .A. I (leaf area
index): 3.7 m
2
m
–2
(table I).
Table I...
Báo cáo khoa học: "Organic matter and nitrogen dynamics in a mature forest of common beech in the Sierra de la Demanda, Spain" doc
... C., Gallardo J.F.,
Evolución y velocidad de descomposición de la hojarasca en
tres bosque de la Sierra de Béjar (Salamanca), Anuario del
Centro de Edafolog a y Biolog a Aplicada, Salamanca, 1
(198 6) ... (
Castanea sativa Mill )
stand of the Sierra de Gata, Spain, Ann. For. Sci. 57 (200 0)
691–700.
[77] Santa Regina I., Gallardo J.F., Rico M., Martín A...
Báo cáo khoa học: "Organic matter dynamics in beech and pine stands of mountainous Mediterranean climate" docx
...
Cuadrado
S,.
Datos
preliminares
sobre
biomasa
a rea,
producción
y
características
edafoclimáti-
cas
de
ecosistemas
forestales
de
Quercus
pyrenaica
(Sierra
de
Gata,
Salamanca), ...
experi-
mental
plots,
at
an
altitude
of
960
m,
has
an
annual
mean
temperature
of
12.4
°C,
the
average
of
the
minima
and
maxima
of
the
monthly
absolute
bein...
Tài liệu Báo cáo khoa học: "Joint Word Segmentation and POS Tagging using a Single Perceptron" docx
... sentences)
is used as training and test data for development.
The standard F-scores are used to measure both
the word segmentation accuracy and the overall seg-
mentation and tagging accuracy, where the ... which can influence the
accuracy of the joint model. Here we consider the
special character category features and the effect of
the tag dictionary. The chara...
Tài liệu Báo cáo khoa học: "Paraphrasing Using Given and New Information in a Question-Answer System" docx
...
This
example, as well as all sample questions and
paraphrases that follow, were, =aken from actual sessions
with the paraphraser. Question (A) mad its possible
paraphcases (B) and (C) are the ... Philadelphia, Pa. 19104
ABSTRACT: The design and implementation of a paraphrase
component for a natural language questlon-answer system
(CO-OP) is presented. A major point...
Báo cáo khoa học: "Automatic Grammar Induction and Parsing Free Text: A Transformation-Based Approach" pptx
... transformation to the
bracketing:
( ( We ( ran (
would result in
( ( (
We ran
)
(and( theywalked )) ) )) . )
, (and( they walked )) ) ). )
RESULTS
In the first experiment we ran, training and test-
ing ... the
true
annotation as indi-
cated by a small manually annotated corpus, and
transformations are learned that can be applied to
the output of the...
Báo cáo khoa học: "Nutrient efficiency and resorption in Quercus pyrenaica oak coppices under different rainfall regimes of the Sierra de Gata mountains (central western Spain)" pps
...
different
rainfall
regimes
of
the
Sierra de
Gata
mountains
(central
western
Spain)
Juan
F.
Gallardo
a
Alejandro
Martín
b
Gerardo
Moreno
a
C.S.I.C.,
Aptdo
257,
Salamanca 37071,
Spain
b
...
Spain
b
Area
de
Edafolog a,
Facultad
of Farmacia,
Salamanca
37080,
Spain
(Received
8
December
1997;
accepted
8
January
199 9)
Abstract - Nutrient
uptake,...
Báo cáo khoa học: "Changes in dry weight and nitrogen partitioning induced by elevated CO depend on soil nutrient 2 availability in sweet chestnut (Castanea sativa Mill)" ppt
...
will
depend
on
the
sink
activity,
which
is
itself
stimulated
by
nutrient
availability
(Cromer
and
Jarvis,
199 0).
Sweet
chestnut,
Castanea
sativa
Mill,
is
a
relatively
fast ... Castanea
sativa
Mill
Résumé —
Les
effets
d’un
enrichissement
en
CO
2
sur
la
répartition
de
la
matière
sèche
et
de
l’azote
chez
le
châtaignier
(Castane...
Báo cáo khoa học: "Ring shake in chestnut (Castanea sativa Mill.): State of the art" pps
... al.Ring shake in chestnut: State of the art
Review
Ring shake in chestnut (Castanea sativa Mill. ):
State of the art
Patrick Fonti
a
*, Nicola Macchioni
b
and Bernard Thibaut
c
a
WSL Swiss Federal ... insor-
genza della cipollatura nel legno di castagno (Castanea sativa
Mill. ), in: Comunità montana delle Prealpi Trevigiane (ed), Atti
del Convegno naziona...
Báo cáo khoa học: "growth in a sweet chestnut (Castanea sativa Mill.) coppice" ppt
...
was
finished
in
late
August.
The
rate
of
appearance
of
laterals
growing
acropetally
along
the
unbranched
parts
of
the
long
roots
followed
a
pattern
similar
to
the
one
of
the
long ...
of
long
roots
and
therefore
of
laterals
was
weak
throughout
the
growing
season
(Figs.
2
and
3).
There
is
some
evidence
of
a
com-
pensating
d...