Ecological Indicators,
Год журнала:
2024,
Номер
159, С. 111664 - 111664
Опубликована: Янв. 31, 2024
The
establishment
of
ecological
security
patterns
(ESPs)
has
emerged
as
a
significant
approach
to
address
the
inherent
conflict
between
preservation
and
economic
advancement.
Existing
studies
commonly
only
focus
on
supply
ecosystem
services
(ESs)
but
pay
little
attention
demand
for
ESs
less
service
flow
(ESF),
which
leads
limited
satisfaction
space
planning
with
needs
human
society.
This
study
takes
West
Liao
River
basin
an
example
design
comprehensive
pattern
construction
optimization
method.
quantified
soil
conservation
(SC),
carbon
fixation
(CF),
water
purification
(WP),
windbreak
sand
(WS)
provision
(FW)
five
key
in
area
from
2000
2020,
discussed
strategy
ESPs
perspective
“supply-flow-demand”.
results
indicated
that
total
25
source
areas
have
been
identified,
optimized
3.57×104km2,
53
corridors,
including
15
primary
38
secondary
31
checkpoints,
16
obstacle
points.
Based
spatial
distribution
sources,
“four
zones,
three
belts,
multiple
branches”
constructed.
sources
watershed
is
mainly
forest
grassland
northern,
central,
eastern,
southwestern
regions,
pinch
points
predominantly
observed
central
western
first-class
corridors
are
located
region.
Research
shown
there
mismatch
within
area.
use
“supply-flow-demand”
framework
can
more
accurately
identify
traditional
methods
not
able
identify.
research
finding
will
contribute
enhancing
comprehension
ecosystems
basin.
aims
explore
optimize
ESPs,
certain
universality
reference
value,
provide
new
paths
decision
support
future
regional
patterns.
Ecological Indicators,
Год журнала:
2023,
Номер
154, С. 110588 - 110588
Опубликована: Июль 5, 2023
Optimization
of
ecological
security
patterns
(ESP)
is
an
important
way
to
implement
land
space
restoration
and
maintain
regional
sustainable
development.
How
comprehensively
identify
ESP
while
maintaining
the
balanced
development
each
ecosystem
service
key
issue
in
identification
construction
at
present.
Using
data
on
use,
meteorology,
vegetation
biomass
socio-economic
statistics,
quality
six
typical
services
Shule
River
basin
(SRB)
2010
2020
were
calculated
for
food
supply,
water
conservation,
carbon
fixation
oxygen
release,
habitat
quality,
soil
conservation
culture
leisure.
The
ordered
weighted
averaging
(OWA)
model
was
introduced
priority
areas
as
source,
minimum
cumulative
resistance
(MCR)
used
extract
corridors
nodes.
Based
ant
colony
algorithm
optimal
paths
study
area,
spatial
scope
corridors,
potential
recovery
points,
construct
optimization
ESP.
results
show
that
temporal
differences
SRB
significant,
showing
characteristics
overall
dispersion
small
concentration.
76
source
patches
with
a
total
area
2.29
×
104
km2;
54
length
3161.87
km;
36
nodes
identified.
Overall,
shows
network
complete
but
there
still
room
optimization,
local
problems
are
prominent.
extracted
4.21
km2,
4
points.
Finally,
"two
two
belts,
three
areas"
determined.
Journal of Renewable and Sustainable Energy,
Год журнала:
2024,
Номер
16(4)
Опубликована: Июль 1, 2024
In
the
context
of
dual-carbon
target,
adoption
clean
energy
in
rural
areas
is
an
important
basis
for
achieving
effective
carbon
reduction
areas.
On
Unified
Theory
Technology
Acceptance
and
Use
(UTAUT2),
this
study
uses
structural
equation
modeling
to
investigate
influencing
factors
behavior.
The
results
are
as
follows:
(1)
Both
expected
effect
energy's
behavior
positively
correlated
with
intention
adopt
energy,
whereas
rest
negatively
correlated.
willingness
has
greatest
impact
on
(2)
adoption,
subjective
norms
related
facilitation
support,
habits
have
partial
mediating
effects
intention.
reliability
a
full
perceived
value
no
significant
energy.
(3)
Age
moderating
value,
behaviors,
adopting
energy;
education
level
support
or
region
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Янв. 16, 2024
Abstract
To
achieve
the
best
management
of
ecosystem
and
sustainable
socioeconomic
development,
it
is
crucial
to
clarify
matching
relationship
between
supply
demand
services
(ESs).
Four
types
ESs
were
chosen
for
Hexi
region
in
this
study:
food
supply,
carbon
sequestration,
water
yield,
wind
erosion
control
sediment
retention.
We
assessed
supply–demand
relationships
different
using
Integrated
Valuation
Ecosystem
Service
Tradeoffs
(InVEST)
model,
ratio
four-quadrant
model.
Moreover,
we
also
analyzed
integrated
their
cold
spots.
The
findings
suggest
that
(1)
from
2000
2020,
average
retention
increased
by
44.31
t/km
2
,
128.44
t/hm
14,545.94
m
3
/km
0.14
kg/m
respectively,
which
showed
a
spatial
pattern
“high
southeast
low
northwest”.
sequestration
1.33
0.32
while
yield
decreased
2997.25
1.19
kg/km
respectively.
distribution
consistent
with
layout
population
density,
production
residential
areas,
fragile
ecological
areas.
(2)
greater
than
0.095,
state
oversupply,
less
0,
shortage;
all
are
mainly
low-low
concentrated
desert
areas
northwest
region.
(3)
0.024,
proportion
spots
sub-cold
was
more
50%
northwest,
hot
sub-hot
accounted
only
about
16%,
distributed
southern
Qilian
Mountains
some
oasis
