Applying Specific Habitat Indicators to Study Asteraceae Species Diversity Patterns in Mountainous Area of Beijing, China
Lin Zhang,
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Shi Qi,
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Tianheng Zhao
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et al.
Forests,
Journal Year:
2024,
Volume and Issue:
15(8), P. 1348 - 1348
Published: Aug. 2, 2024
The
distribution
pattern
and
influencing
factors
of
specific
species
diversity
play
a
crucial
role
in
decision-making
for
biodiversity
conservation.
Identifying
suitable
regional
habitat
indicators
to
assess
patterns
is
global
focus
topic.
A
total
112
sample
plots
were
surveyed
investigate
the
relationship
between
Asteraceae
topography,
soil
nutrients,
stand
factors,
using
Structural
Equation
Model
(SEM).
Additionally,
Maxent
model
was
utilized
predict
response
factors.
findings
revealed
that
canopy
closure
had
different
impacts
on
diversity,
with
nutrients
showing
highest
relative
coefficient,
followed
by
topography
closure.
elevation
slope
gradient
identified
as
direct
indirect
influences
diversity.
contribution
rate
potential
environmental
variables
ranked
follows:
STN
(29.7%)
>
SOM
(28.5%)
(8.5%)
Ele
(8.1%).
found
be
abundant
locations
(>27
g/kg),
(>1.8
(165–333
m),
slopes
(5–12
degrees).
Soil
nutrient
content
serves
key
indicator
assessing
abundance
should
considered
Language: Английский
Response of Fuel Characteristics, Potential Fire Behavior, and Understory Vegetation Diversity to Thinning in Platycladus orientalis Forest in Beijing, China
Min Gao,
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Sifan Chen,
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Ao-Li Suo
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et al.
Forests,
Journal Year:
2024,
Volume and Issue:
15(9), P. 1667 - 1667
Published: Sept. 22, 2024
Objective:
Active
fuel
management
operations,
such
as
thinning,
can
minimize
extreme
wildfire
conditions
while
preserving
ecosystem
services,
including
maintaining
understory
vegetation
diversity.
However,
the
appropriate
thinning
intensity
for
balancing
above
two
objectives
has
not
been
sufficiently
studied.
Methods:
This
study
was
conducted
to
assess
impact
of
various
intensities
(light
LT,
15%;
moderate
MT,
35%;
heavy
HT,
50%;
and
control
treatment,
CK)
on
characteristics,
potential
fire
behavior,
biodiversity
in
Platycladus
orientalis
forest
Beijing
using
a
combination
field
measurements
behavior
simulations
(BehavePlus
6.0.0).
Results:
A
significant
reduction
surface
canopy
loads
with
increasing
intensity,
notably
reducing
CBD
below
0.1
kg/m3
under
effectively
prevented
occurrence
active
crown
fires,
even
weather
conditions.
Additionally,
enhanced
species
diversity,
yielding
highest
diversity
index
compared
other
treatments.
Conclusions:
These
findings
suggest
that
(35%)
offers
an
optimal
balance,
substantially
fires
promoting
biodiversity.
Therefore,
it
is
recommended
carry
out
area.
Forest
managers
leverage
this
information
devise
technical
strategies
simultaneously
meet
prevention
enhance
areas
suitable
thinning-only
Language: Английский