Analysis of Spatio-temporal change of Carbon Emissions and Carbon Sinks and Carbon Balance partition in the Poyang Lake Ecological Economic Region
E3S Web of Conferences,
Journal Year:
2025,
Volume and Issue:
617, P. 01023 - 01023
Published: Jan. 1, 2025
Research
on
spatio-temporal
evolution
characteristics
of
carbon
sources/sinks
and
balance
zoning
is
significance
in
promoting
the
coordinated
development
regional
low-carbon
development,
improving
scientificity
operability
reduction
sink
enhancement
policies,
realizing
goal
“double
carbon”.
In
this
study,
Spatio-temporal
Poyang
lake
ecological
economic
region
(PYLEER)
have
been
analyzed
by
correcting
long
time
series
DMSP
/
OLS,
NPP
VIIRS
night
lighting
data,
land
use
GIS.
The
results
were
as
follows:
①
From
2000
to
2021,
total
emission
PYLEER
continued
rise
but
growth
rate
was
declining,
showing
an
overall
convergence
trend,
not
reaching
peak
emission,
spatial
pattern
stable.
change
has
gone
through
two
stages,
with
a
slow
trend
from
2005
decreasing
2021.
②
changed
greatly,
spanning
1612.90-20269.18t.
compensation
less
than
1,
source,
decreasing,
indicating
certain
pressure.
contribution
coefficient
generally
showed
first
then
increasing,
greatly.
carrying
relatively
③
2010,
produced
some
changes.
And
Jiujiang
city
Jingdezhen
area
area,
Xinyu
had
become
comprehensive
optimization
area.
To
again
compared
Yingtan
becoming
zone,
Jiujiang,
Yichun,
zones,
Ji'an
Fuzhou
zones.The
above
research
are
guiding
formulation
scientific
neutralization
policies
PYLEER.
Language: Английский
From Ecological Niche to Conservation Planning; Climate‐Driven Range Dynamics of Ephedra intermedia in Central Asia
Ecology and Evolution,
Journal Year:
2025,
Volume and Issue:
15(3)
Published: March 1, 2025
ABSTRACT
Ephedra
intermedia
,
a
medicinally
significant
plant,
is
an
important
component
of
arid
and
semi‐arid
ecosystems
across
Central
South
Asia.
This
research
sought
to
predict
the
present
future
distribution
E.
by
applying
ecological
niche
modeling
(ENM)
methods.
The
model
incorporated
comprehensive
bioclimatic
edaphic
variables
species'
habitat
suitability.
results
demonstrated
high
predictive
accuracy,
highlighting
importance
temperature
seasonality,
annual
range,
soil
pH,
nitrogen
content
as
key
species
determinants.
current
suitability
map
revealed
core
areas
in
Afghanistan,
Pakistan,
Tajikistan
mountain
regions.
Under
climate
change
scenarios
(SSP2‐4.5
SSP5‐8.5)
for
2050s
2070s,
projected
upward
northward
shift
suitable
habitats,
coupled
with
notable
contraction
extent
highly
areas,
particularly
under
high‐emission
SSP5‐8.5
scenario.
predicted
range
shifts
reflect
sensitivity
increasing
temperatures
changing
precipitation
patterns.
suggests
potential
loss
habitats
low‐elevation
southern
parts
its
range.
Including
factors
provided
novel
insights,
specifically
critical
role
properties,
such
pH
content,
shaping
.
These
findings
complement
observed
scenarios,
emphasizing
reliance
on
high‐altitude
refugia
conditions
change.
underscore
implications
conservation
planning,
suggesting
that
strategies
should
prioritize
protection
these
refugial
while
also
considering
measures
connectivity
assisted
migration
support
adaptation
shifting
environmental
conditions.
Language: Английский