Land,
Год журнала:
2022,
Номер
11(3), С. 362 - 362
Опубликована: Март 2, 2022
In
this
paper,
we
selected
the
northeast
region
as
a
study
area
from
perspective
of
soil
nutrient
demand,
calculated
livestock
carrying
capacity
farmland
under
three
scenarios
where
nitrogen
accounts
for
35%
(low
level),
45%
(medium
and
55%
(high
level)
fertilization,
carried
out
risk
analysis.
The
results
show
that
scale
husbandry
breeding
is
expanding
planting
industry
has
remained
basically
unchanged.
Under
scenarios,
there
were
23
regions
manure
exceeded
maximum
value
could
be
absorbed
by
in
2008
28
2019.
These
potential
are
mostly
located
Heilongjiang
province
restricted
Liaoning
Province.
On
whole,
generally
faced
with
problem
overloading,
insufficient
utilization
treatment
poses
huge
threat
to
regional
ecological
security.
Based
on
this,
adjusting
structure
breeding,
promoting
development
processing
industry,
enhancing
production
organic
fertilizer,
constructing
an
integrated
pattern
effective
ways
realize
sustainable
China.
Water,
Год журнала:
2022,
Номер
14(9), С. 1502 - 1502
Опубликована: Май 7, 2022
Basin
ecohydrological
processes
are
essential
for
informing
policymaking
and
social
development
in
response
to
growing
environmental
problems.
In
this
paper,
we
review
watershed
ecohydrology,
focusing
on
the
interaction
between
ecological
hydrological
processes.
Climate
change
human
activities
most
important
factors
influencing
water
quantity
quality,
there
is
a
need
integrate
socioeconomic
into
paradigm
of
process
studies.
Then,
propose
new
framework
integrated
management.
It
includes
(1)
data
collection:
building
an
observation
network;
(2)
theoretical
basis:
attribution
analysis;
(3)
modeling:
medium-
long-term
prediction
by
human–nature
interactions;
(4)
policy
orientation.
The
paper
was
potential
solution
overcome
challenges
context
frequent
climate
extremes
rapid
land-use
change.
Ecological Indicators,
Год журнала:
2023,
Номер
154, С. 110707 - 110707
Опубликована: Июль 31, 2023
The
Loess
Plateau
of
China
is
one
the
regions
with
most
serious
soil
erosion
globally.
ambitious
"Grain
for
Green"
project
was
there
implemented
to
restore
degraded
ecosystems,
profoundly
changing
water
yield
and
carbon
sequestration
ecosystem
services.
To
understand
changes
water-
carbon-related
services
(hereafter
WCES)
in
Plateau,
this
study
combined
CASA
(Carnegie-Ames-Stanford
Approach)
model
InVEST
(Integrated
Valuation
Ecosystem
Services
Trade-offs)
thoroughly
reveal
intrinsic
linkages
net
primary
productivity
since
Plateau.
results
show
that
WCES
were
increasing
2001,
dominated
by
both
climate
change
human
afforestation.
showed
strong
synergistic
effects
80%
mainly
resulting
from
rapid
increase
precipitation
recent
years.
atmospheric
contributed
more
provisions,
which
may
have
offset
trade-off
between
caused
large-scale
In
view
WCES,
enhancing
input
into
be
an
effective
measure
respond
future
degradation
dry
years,
such
as
artificial
basin-cross
transfer
project.
Despite
low
correlation
teleconnection
factors
reduction
associated
a
El
Niño
event
2015.
This
assists
wise
decision-making
on
ecological
management
Ecological Indicators,
Год журнала:
2023,
Номер
147, С. 109991 - 109991
Опубликована: Фев. 10, 2023
Land
use
and
climate
change
are
important
factors
that
help
in
driving
changes
ecosystem
services
(ES);
understanding
the
mechanisms
behind
is
critical
to
enhance
functions.
However,
high
degree
of
topographic
heterogeneity
Karst
mountainous
leads
uncertainty
spatial
temporal
differences
their
combined
effects
on
ESs.
To
solve
this
problem,
study
measured
four
ESs,
grain
production
(GP),
carbon
sequestration
(CS),
water
conservation
(WC),
soil
retention
(SR),
taking
Qiangui
mountains
as
a
case
area.
The
relative
importance
effect
indices
were
established
analyze
interactions
year-by-year
land
ESs
based
two
scales
full-pixel
simultaneous
climate.
results
show
fluctuating
trend
an
increase
ES
from
2010
2020,
where
both
them
had
positive
negative
fluctuation
within
different
years.
Generally,
land-use
inhibited
GP
enhanced
other
they
facilitated
by
change.
entire
area
mainly
affected
change;
stronger
influence
than
80%
pixels.
When
only
pixels
considered,
SR
was
influenced
remaining
change,
but
contributions
showed
significant
interannual
differences.
Their
dominated
trade-offs
for
synergistic
with
50–75%
areas
effects.
shows
analysis
dynamics
influencing
provided
more
information,
guiding
identification
hotspots
impact
future
priority
ecological
conservation.
Ecological Indicators,
Год журнала:
2023,
Номер
158, С. 111365 - 111365
Опубликована: Дек. 6, 2023
Ecological
security
is
a
critical
guarantor
of
human
and
indeed
survival
closely
associated
with
sustainable
development.
Yet
exploration
ecological
assessment
in
alpine
pastoral
regions
lacking,
many
studies
have
failed
to
perform
validation
analyses
on
results,
weakening
the
reliability
their
results.
In
this
study,
an
ecosystem
health-risk-services
framework
developed
assess
Gannan
region
(GAPR)
northeastern
Tibetan
Plateau
from
2000
2020.
Then,
remote
sensing
index
(RSEI)
high-resolution
images
are
then
introduced
verify
compare
results’
reliability.
Our
study
results
indicate:
(1)
The
can
better
reflect
actual
state
GAPR,
correlation
coefficient
(R2)
comprehensive
(CESI)
RSEI
between
0.426
0.555
(p
<
0.001).
(2)
CESI
value
GAPR
shows
fluctuating
increasing
trend
2020,
spatial
distribution
pattern
high
values
south
low
north.
levels
dominated
by
medium,
medium-high
levels.
(3)
centers
gravity
medium-low
show
northward
movement
trend,
while
that
southward
movement.
provides
new
perspective
for
methods,
which
be
extended
other
regions,
contribute
useful
references
decision-makers
socioeconomic
development
eco-environmental
protection
GAPR.
Ecological Indicators,
Год журнала:
2024,
Номер
160, С. 111767 - 111767
Опубликована: Фев. 28, 2024
Water
yield
(WY)
ecosystem
service
is
an
important
ecological
indicator
in
assessing
water
availability
and
sustainability.
Although
it
was
widely
acknowledged
that
WY
mainly
driven
by
land
use
change
climate
factor,
the
intrinsic
driving
mechanisms
remained
unclear.
Here,
we
selected
Chengdu-Chongqing
District
Southwest
China
as
study
area,
using
InVEST
model,
structural
equation
modeling,
scenario
analysis
to
exhaustively
reveal
past
future
changes
contribution
rate
of
factors.
The
results
demonstrated
area
experienced
rapid
forest
expansion
urbanization
at
expense
cropland
grassland
last
30
years.
In
this
region,
increased
approximately
∼130
mm
during
1990–2020,
attributed
precipitation
(>90
%),
secondary
potential
evapotranspiration
change.
It
projected
end
21st
century,
would
increase
about
20
%
under
SSP585
compared
historical
average.
We
found
every
100
produce
additional
62–65
WY,
with
higher
resulting
larger
coefficient
due
energy
constraint
there.
Further,
also
elevation
factor
played
a
direct
negative
role
(standardized
path
coefficient,
b
=
−0.4,
p
<
0.05)
precipitation,
further
indirectly,
positively
dominated
(b
1.0,
WY.
This
implied
occurred
areas
lower
elevation.
These
highlighted
topographic
climatic
factors
controlling
such
basin-featured
which
provided
deeper
understanding
into
science.
Chinese Geographical Science,
Год журнала:
2023,
Номер
33(1), С. 102 - 115
Опубликована: Янв. 11, 2023
The
water
conservation
(WC)
function
of
ecosystems
is
related
to
regional
ecological
security
and
the
sustainable
development
resources,
assessment
WC
its
influencing
factors
crucial
for
resource
management.
Tumen
River
Basin
(TRB)
located
in
core
Northeast
Asian
network
has
been
experiencing
severe
crises
shortages
recent
years
due
climate
change
human
activities.
However,
these
have
not
fully
revealed
extent
that
corresponding
scientific
measures
are
lacking.
This
study
analyzed
spatial
temporal
evolution
characteristics
drivers
TRB
from
1990
2019
based
on
yield
module
Integrated
Valuation
Ecosystem
Services
Tradeoffs
(InVEST)
model.
results
showed
that:
1)
under
combined
effect
nature
socioeconomics,
depth
slowly
increased
at
a
rate
0.11
mm/yr
past
30
years,
with
an
average
36.14
mm.
2)
main
driving
factor
variation
precipitation,
there
significant
interaction
between
precipitation
velocity,
each
higher
than
contribution
single
factor,
interactions
all
nonlinear
enhancement
two-factor
enhancement.
3)
Among
seven
counties
municipalities
area,
southern
part
Helong
City
southeastern
Longjing
extremely
important
areas
(>
75
mm),
they
should
be
regarded
as
resources
priority
protection
areas.
It
foreseen
extreme
conditions
future,
watershed
great
potential
threat,
such
afforestation
forestation
begin
immediately.
Furthermore,
interannual
fluctuations
may
place
more
stringent
requirements
choice
time
scales
ecosystem
service
process.
