Research on the Carbon Sequestration Capacity of Forest Ecological Network Topological Features and Network Optimization Based on Modification Recognition in the Yellow River Basin Mining Area: A Case Study of Jincheng City
Remote Sensing,
Год журнала:
2024,
Номер
16(11), С. 1986 - 1986
Опубликована: Май 31, 2024
Forests
are
vital
for
terrestrial
ecosystems,
providing
crucial
functions
like
carbon
sequestration
and
water
conservation.
In
the
Yellow
River
Basin,
where
70%
of
forest
coverage
is
concentrated
in
middle
reaches
encompassing
Sichuan,
Shaanxi,
Shanxi
provinces,
there
exists
significant
potential
coal
production,
with
nine
planned
bases.
This
study
centered
on
Jincheng
City,
Province,
a
representative
mining
area
combined
MSPA
analysis
method
MCR
model
to
generate
five-period
ecological
network
City
from
1985
2022
under
background
calculate
degree
centrality,
closeness
betweenness
eigenvector
centrality;
correlation
between
four
centralities
ability
further
explored.
Simultaneously,
employing
RAND-ESU
algorithm
motif
identification
within
networks,
this
integrates
policies
research
specific
conditions
region
optimize
City.
Findings
reveal
following.
(1)
Forest
spatial
networks:
networks
exhibit
robust
overall
connectivity
area,
corridors
spanning
region.
However,
certain
areas
high
resistance
hinder
key
nodes
mining.
(2)
Correlation
topological
indices
services:
From
2022,
capacity
City’s
source
increased
year
by
year,
positive
correlations
were
observed
centrality
services,
indicating
strengthening
trend
over
time.
(3)
Motif
Recognition
Ecological
Network
Optimization:
During
study,
types
motifs
identified
based
number
their
connections
using
algorithm.
These
3a,
4a,
4b,
4d
(where
represents
letter
connection
type).
Among
these,
3a
4b
play
role.
Based
these
practical
considerations,
optimization
was
performed
existing
enhance
robustness
network.
Язык: Английский
Environmental economics of green recovery in mineral extraction: Balancing production and conservation
Resources Policy,
Год журнала:
2024,
Номер
96, С. 105202 - 105202
Опубликована: Июль 25, 2024
Язык: Английский
Examining the impact of mineral export controls on sustainable energy transition in the global south
Resources Policy,
Год журнала:
2024,
Номер
98, С. 105289 - 105289
Опубликована: Сен. 10, 2024
Язык: Английский
Soil Heavy Metal Pollution in Upstream Bailang River, Eastern China: Spatial Analysis, Health Risks, and Pollution Source Identification
Soil and Sediment Contamination An International Journal,
Год журнала:
2024,
Номер
unknown, С. 1 - 27
Опубликована: Июнь 6, 2024
The
ecological
and
environmental
concerns
within
Shandong
Province's
Bailang
River
basin
in
eastern
China
have
garnered
significant
research
attention.
This
study
specifically
delves
into
the
issue
of
soil
heavy
metals
(HM)
pollution
upstream
area
River.
Diverse
methodologies
were
employed
to
quantitatively
assess
status,
implications,
associated
health
risks
posed
by
HM.
Geostatistical
methods
facilitated
a
spatial
analysis
variations,
while
Principal
Component
Analysis
(PCA)
was
utilized
attribute
sources
pollutants.
found
be
at
moderate
level
pollution,
with
Cd
(Coefficient
Variation,
CV
=
37%),
Ni
(CV
49%),
Hg
69%)
identified
as
primary
pollutants
both
quantitative
analyses
risk
assessments.
Overall,
concentration
HM
higher
western
than
zone,
suggesting
central
zone.
Human
evaluations
indicated
that
non-carcinogenic
(Total
Hazard
Index
–
THI)
for
adults
children
met
acceptable
thresholds
(0.11
0.98).
However,
57.14%
faced
unacceptable
risks,
primarily
attributed
Chromium
(Cr)
Arsenic
(As)
exposure.
Carcinogenic
Risk
TCRI)
an
risk.
Oral
intake
method
absorption.
Qualitative
major
sources,
including
natural
emissions
traffic,
coal
combustion,
agricultural
activities,
iron
steel
production.
provides
valuable
insights
safeguarding
comprehensive
evaluation
pollution.
Язык: Английский