Response of Natural Forests and Grasslands in Xinjiang to Climate Change Based on Sun-Induced Chlorophyll Fluorescence
Jin-Run He,
Jinglong Fan,
Zhentao Lv
и другие.
Remote Sensing,
Год журнала:
2025,
Номер
17(1), С. 152 - 152
Опубликована: Янв. 4, 2025
In
arid
regions,
climatic
fluctuations
significantly
affect
vegetation
structure
and
function.
Sun-induced
chlorophyll
fluorescence
(SIF)
can
quantify
certain
physiological
parameters
of
but
has
limitations
in
characterizing
responses
to
climate
change.
This
study
analyzed
the
spatiotemporal
differences
response
change
across
various
ecological
regions
types
from
2000
2020
Xinjiang.
According
China’s
zoning,
R1
(Altai
Mountains-Western
Junggar
Mountains
forest-steppe)
R5
(Pamir-Kunlun
Mountains-Altyn
Tagh
high-altitude
desert
grasslands)
represent
two
extremes,
while
R2–R4
span
forest-steppe
ecosystems.
We
employed
standardized
precipitation
evapotranspiration
index
(SPEI)
at
different
timescales
drought
intensity
frequency
conjunction
with
global
OCO-2
SIF
products
(GOSIF)
normalized
difference
(NDVI)
assess
growth
conditions.
The
results
show
that
(1)
between
2020,
overall
severity
Xinjiang
exhibited
a
slight
deterioration,
particularly
northern
(R1
R2),
gradual
transition
short-term
long-term
R4
southern
also
displayed
deterioration
trend;
however,
remained
relatively
stable
on
SPEI24
timescale.
(2)
NDVI
values
an
upward
trend.
However,
densely
vegetated
areas
(R1–R3),
both
declined,
more
pronounced
decrease
observed
natural
forests.
(3)
Vegetation
showed
stronger
than
Xinjiang,
being
sensitive
structural
(NDVI).
R1,
R2,
R3
were
primarily
influenced
by
change,
whereas
affected
Natural
grasslands
forests,
lower
cover
are
structurally
impacted.
provides
important
scientific
basis
for
management
adaptation
emphasizing
need
differentiated
strategies
support
sustainable
development.
Язык: Английский
Spatiotemporal Responses and Vulnerability of Vegetation to Drought in the Ili River Transboundary Basin: A Comprehensive Analysis Based on Copula Theory, SPEI, and NDVI
Remote Sensing,
Год журнала:
2025,
Номер
17(5), С. 801 - 801
Опубликована: Фев. 25, 2025
The
Ili
River
Transboundary
Basin
is
an
important
area
within
the
Belt
and
Road
Initiative,
its
ecological
security
impacts
China–Kazakhstan
diplomatic
relations
building
of
Initiative.
Using
copula
method,
this
study
quantifies
vulnerability
vegetation
to
drought
in
based
on
Normalized
Difference
Vegetation
Index
(NDVI)
Standardized
Precipitation
Evapotranspiration
(SPEI).
highest
June,
with
proportion
highly
vulnerable
areas
reaching
63.29%
under
extreme
conditions.
As
severity
increases,
probability
loss
rises,
being
affected
most
June.
From
May
drought-prone
are
mainly
located
Almaty
Oblast
East
Kazakhstan.
July
September,
found
Valley
southeastern
Oblast.
Rainfed
croplands
susceptible
drought,
while,
for
irrigated
croplands,
higher
enhances
mitigating
effect
irrigation
measures.
by
semi-arid
regions,
particularly
summer.
These
findings
offer
valuable
scientific
support
management
sustainable
development
region.
Язык: Английский
Seed and germination biology of swallowwort (Cynanchum acutum subsp. sibiricum)
Advances in Weed Science,
Год журнала:
2025,
Номер
43
Опубликована: Янв. 1, 2025
Язык: Английский
Climate change and human activities have resulted in substantial alterations to ecosystem quality within the Yarlung Zangbo River basin
Deleted Journal,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Язык: Английский
Study on the Trade-Off and Synergy Between Agricultural Water–Soil Matching and Ecosystem Service Value in the Tailan River Irrigation District of Xinjiang
Y.Z. Ruan,
Ying He,
Yue Qiu
и другие.
Sustainability,
Год журнала:
2025,
Номер
17(9), С. 4173 - 4173
Опубликована: Май 5, 2025
Xinjiang
is
located
in
an
inland
arid
area,
and
it
faces
significant
challenges
water
resource
supply
demand,
with
a
fragile
ecological
environment.
Exploring
the
internal
relationship
between
time–space
distribution
of
agricultural
water–soil
matching
evolution
ecosystem
service
value
(ESV)
Tailan
River
Irrigation
District
from
2000
to
2020,
this
study
provides
theoretical
guidance
for
balance
resources
healthy
sustainable
development
environment
irrigation
district.
By
integrating
coefficient
equivalent
factor
method,
spatiotemporal
ESV
under
change
land
use
(LU)
district
are
analyzed.
Based
on
Pearson
correlation,
trade-off
synergy
two
explored.
The
results
show
that
following
occurred
past
20
years:
(1)
Grassland
dryland
categories
biggest
transfer-out
transfer-in
areas
District,
conversion
mostly
Jiamu
Town
Guleawati
Township.
(2)
area
reclamation
rate
increased
gradually,
among
which
highest
was
85.93%
Kezile
lowest
76.37%
average
Gini
0.118,
absolutely
fair.
(3)
has
consumption,
but
always
fluctuates
best
worst.
consumption
Communist
Youth
League
lowest,
remained
many
years.
(4)
showed
overall
increasing
trend,
CNY
243
million
678
2020;
addition,
soil
conservation,
hydrological
regulation,
grassland,
contributed
most
each
period.
(5)
There
services
while
there
synergistic
services.
Язык: Английский
Heterogeneous impacts of climate change on streamflow in typical watersheds of three mountain systems in Xinjiang, Northwest China
International Journal of Applied Earth Observation and Geoinformation,
Год журнала:
2025,
Номер
140, С. 104585 - 104585
Опубликована: Май 10, 2025
Язык: Английский