International Journal of Digital Earth,
Год журнала:
2024,
Номер
17(1)
Опубликована: Июль 10, 2024
The
continuous
expansion
and
development
of
anthropogenic
activities
pose
considerable
threats
to
the
habitats
myriad
species.
Therefore,
exploring
how
protect
optimize
species'
achieve
harmony
between
humans
nature
is
particularly
important.
As
a
paradise
for
wildlife,
Poyang
Lake
habitat
breeding
ground
birds,
fish,
other
aquatic
organisms.
In
this
study,
adopting
multi-level
perspective
'point-line-area',
we
had
an
appliance
conservation
by
constructing
ecological
security
pattern
(ESP)
in
Ecoregion
(PYLE).
We
produced
land
use
cover
from
2000
2040
using
random
forest
cellular
automata-Markov
model.
Combining
morphological
spatial
analysis,
landscape
index,
Linkage
Mapper,
constructed
long-term
ESP
PYLE
considering
protection.
spatiotemporal
dynamics
were
compared
analyzed.
results
show
that
PYLE's
rapid
economic
led
extensive
urban
growth,
encroaching
on
surrounding
bare
land,
which
could
undermine
local
survival.
Based
predicted
2040,
propose
optimized
'one
area,
two
zones,
multiple
points'
scheme
prioritize
This
comprehensive
study
provides
innovative
ideas
novel
insights
future
research
policy
formulation
Ecological Indicators,
Год журнала:
2024,
Номер
158, С. 111592 - 111592
Опубликована: Янв. 1, 2024
With
the
rapid
pace
of
global
urbanization,
conflict
between
needs
human
economic
development
and
ecological
conservation
is
becoming
increasingly
prominent.
As
an
important
habitat
along
migratory
routes
birds
in
East
Asia,
construction
network
for
bird
communities
Foshan
City
essential
to
protect
urban
biodiversity.
In
this
research,
we
employs
Maximum
Entropy
Model
(MaxEnt)
Remote
Sensing
Ecological
Index
(RSEI)
identify
source
sites
based
on
migration
characteristics
requirements,
calculated
minimum
threshold
area
by
using
granularity
inverse
method.
Secondly,
entropy
weight
method
(EWM)
analytical
hierarchy
process
(AHP)
are
combined
establish
a
comprehensive
resistance
surface.
Finally,
circuit
theory
hydrological
analysis
principles
utilized
construct
network.
The
findings
reveal
following:
landscape
component
structure
best
at
grain
size
1400
m,
1.96
km2
identified
sources
Foshan.
A
total
19
sources,
spanning
636.09
km2,
have
been
identified.
These
mainly
clustered
north,
south-west
east
City.
terms
corridors,
research
shows
existence
51
corridors
with
length
501.84
km.
include
7
first-level
25
s-level
potential
(including
15
radiating
routes).
At
same
time,
88
nodes,
including
10
critical
nodes
78
general
nodes.
Lastly,
closure
index
(α),
connectivity
(β),
rate
(γ),
density
(ρ)
after
optimization
grew
0.84,
2.43,
0.89,
0.16,
respectively.
This
study
can
provide
data
support
optimizing
future
security
pattern
diversity
Ecological Indicators,
Год журнала:
2023,
Номер
154, С. 110787 - 110787
Опубликована: Авг. 25, 2023
The
land
use
and
cover
change
(LUCC)
associated
with
climate
human
activities
poses
a
persistent
threat
to
ecosystems,
profoundly
impacting
ecological
security.
Simulating
spatiotemporal
changes
in
ecosystem
service
values
(ESVs)
security
patterns
(ESPs)
under
different
future
scenarios
is
crucial
for
formulating
sustainable
development
policies.
This
study
introduces
comprehensive
framework
multi-scenario
analysis,
which
combines
the
system
dynamics
(SD)
model,
patch-generated
land-use
simulation
(PLUS)
minimum
cumulative
resistance
(MCR)
model
simulate
ESV
ESP
LUCC
using
SSP-RCP
provided
by
CMIP6.
results
show
that
three
(SSP245,
SSP585,
SSP126),
year
2050
predicted
be
10.285
billion
yuan,
10.248
10.327
respectively.
Additionally,
area
of
sources
estimated
78.56
km2,
65.90
141.38
while
lengths
corridors
are
428.05
km,
332.45
527.10
numbers
nodes
14,
9,
15,
Notably,
SSP126
scenario
demonstrates
significant
improvement
compared
SSP245
SSP585
scenarios,
indicating
effective
protection
land.
provides
valuable
insights
serves
as
reference
decision-making
concerning
conservation
resource
management
at
county
municipal
scales.
