Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Янв. 18, 2023
At
present,
the
insufficient
supply
of
land
resources
has
seriously
hindered
sustainable
development
regional
economy.
Improving
urban
green
use
efficiency
(UGLUE)
become
a
key
issue
on
road
to
development.
As
an
important
feature
economic
development,
industrial
agglomeration
impact
UGLUE
that
cannot
be
ignored.
This
paper
uses
Global
Malmquist-Luenberger
Index
(GMLI)
measure
107
cities
in
Yangtze
River
Economic
Belt
(YREB)
from
2007
2016,
and
dynamic
panel
model
(DPM)
empirically
analyze
effects
specialization
diversification
UGLUE.
On
this
basis,
heterogeneous
different
regions
is
further
discussed.
The
results
illustrate
that:
(1)
shows
general
downward
trend.
(2)
Different
modes
have
impacts
was
inverted
U-shaped.
Industrial
positive
effect
(3)
heterogeneous.
relationship
between
YREB
revealed
will
provide
reference
for
promoting
Ecological Indicators,
Год журнала:
2023,
Номер
151, С. 110331 - 110331
Опубликована: Май 12, 2023
Increasing
urban
land
use
eco-efficiency
(ULUEE)
is
conducive
to
alleviating
the
human-land
conflict
in
cities,
especially
densely
populated
and
ecologically
sensitive
areas.
ULUEE
research
past
has
been
less
focused
on
different
river
basins
from
a
comparative
perspective,
largely
ignored
regional
heterogeneity
driving
factors.
Thus,
this
study
aims
compare
spatiotemporal
dynamics
factors
of
Yangtze
River
Economic
Belt
(YREB)
Yellow
Basin
(YRB)
China.
The
was
first
evaluated
using
Slack
Based
Model-Undesirable,
then
Theil
Index
spatial
Markov
Chain
were
used
reveal
differential
changes
shifting
direction
ULUEE,
followed
by
an
analysis
segments
sized
cities
Tobit
model.
Results
show
that:
(1)
both
YREB
YRB,
shows
characteristic
"lower
reaches
>
middle
upper
reaches",
however,
notable
differences
index
values
are
evident
among
basin
segments.
(2)
exhibits
spillovers
convergence
phenomena
during
its
variations.
(3)
There
significant
U-shaped
relationship
between
GDP
whole
YREB,
but
only
lower
YRB.
Additionally,
form
environmental
regulations
have
heterogeneous
impacts
different-sized
cities.
In
order
maintain
sustainability
resource
management
coordinate
city
development
varying
sizes,
governments
must
take
systematic
approach
that
accounts
for
complexity
characteristics
drivers
ULUEE.
Scientific Reports,
Год журнала:
2023,
Номер
13(1)
Опубликована: Фев. 16, 2023
The
rational
use
of
land
is
an
important
guarantee
for
the
sustainable
development
resource-based
cities.
First,
this
paper
uses
panel
data
115
cities
in
China
from
2004
to
2018
measure
green
efficiency
(GLUE)
by
SBM
model
and
Metafrontier-Malmquist
productivity
index
model.
Secondly,
it
analyzes
industrial
upgrading
perspectives
optimization
structure
rationalization
explore
impact
mechanism
on
GLUE.
Furtherly,
heterogeneity
analysis
carried
out
following
two
perspectives:
exploring
GLUE
under
different
types
urban
samples;
using
quantile
analyze
quantiles.
main
conclusions
study
are
as
follows:
(1)
both
promote
improvement
robustness
test
instrumental
variable
method
support
conclusion.
(2)
For
cities,
have
positive
coefficients
regeneration
growing
declining
but
a
negative
effect
mature
(3)
In
all
quantiles,
effects
positive.
However,
with
increase
role
gradually
decreases.
increases.
Meanwhile,
there
obvious
threshold
when
taking
resource
endowment
variable.
This
provides
theoretical
reference
transformation
