DNA Research,
Journal Year:
2024,
Volume and Issue:
31(4)
Published: July 1, 2024
Tamarix
austromongolica
is
endemic
to
the
Yellow
River
Basin
and
has
adapted
diverse
ecological
settings
in
region,
including
arid
areas
of
northwestern
China
saline
soil
regions
Delta.
However,
genetic
basis
its
local
adaptation
remains
unclear.
We
report
a
chromosome-level
assembly
T.
genome
based
on
PacBio
high-fidelity
sequencing
Hi-C
technology.
The
12
pseudochromosomes
cover
98.44%
1.32
Gb
assembly,
with
contig
N50
52.57
Mb
BUSCO
score
98.2%.
comprises
913.6
(68.83%)
repetitive
sequences
22,374
protein-coding
genes.
Genome
evolution
analyses
suggest
that
genes
under
positive
selection
significantly
expanded
gene
families
have
facilitated
austromongolica's
adaptability
environmental
factors
high
resistance
diseases.
Using
genotyping-by-sequencing,
we
conducted
population
structure
114
samples
from
15
sites.
Two
groups
were
identified,
289
candidate
assigned
populations
eastern
parts
River,
respectively.
Furthermore,
discovered
numerous
associated
high-altitude
salt
tolerance.
This
research
provides
valuable
genomic
resources
for
evolutionary
study
breeding
tamarisk.
Ecological Informatics,
Journal Year:
2024,
Volume and Issue:
81, P. 102641 - 102641
Published: May 8, 2024
The
middle
reaches
of
the
Yellow
River
basin
(MYRB)
are
among
regions
most
severely
affected
by
soil
erosion
globally.
It
has
always
held
a
pivotal
role
in
and
water
conservation
ecological
restoration
efforts
China.
Nonetheless,
face
recurrent
drought
occurrences
growing
human
intervention,
there
have
been
notable
alterations
eco-environmental
quality
(EEQ)
within
MYRB.
However,
influences
intervention
on
EEQ
MYRB
remain
unclear.
In
this
study,
remote
sensing
index
(RSEI)
was
applied
to
quantify
spatiotemporal
changes
contributions
land
use
type
transitions
from
1990
2022.
results
showed
that
fluctuated
significantly
exhibited
weak
overall
improvement
trend
over
past
33
years.
proportion
good
excellent
grades
for
improved,
while
poor
fair
decreased,
especially
northern
regions.
follows
phased
pattern.
During
periods
1990–2002
2011–2022,
an
improving
is
observed,
period
2003–2010
shows
no
significant
change
EEQ.
Drought
had
strongest
influence
2003
2010,
followed
2002,
lesser
impact
2011
primarily
positively
influenced
spring,
autumn
winter
droughts
negatively
summer
droughts,
arid
grassland
unused
areas.
improved
during
initial
final
phases
projects,
with
drought.
increase
project
implementation
less
noticeable,
period.
PLoS ONE,
Journal Year:
2024,
Volume and Issue:
19(5), P. e0303396 - e0303396
Published: May 21, 2024
Currently,
research
on
traditional
villages
mainly
focuses
the
current
development
status
and
evolutionary
trends
in
specific
regions,
with
relatively
limited
studies
from
a
macroscopic
holistic
perspective
spatiotemporal
evolution
of
villages.
Therefore,
this
study
selects
Yellow
River
Basin
(YRB)
as
object.
By
analyzing
distribution
characteristics
driving
factors
(TVs)
basin,
it
aims
to
further
promote
high-quality
YRB
protect
cultural
resources.
Based
data
892
village
points
first
sixth
batches
TVs
YRB,
ArcGIS
10.8
spatial
analysis
techniques
were
employed
analyze
overall
pattern
YRB.
The
results
indicate:
(1)
In
are
more
numerous
east
than
west
south
north,
forming
clusters
contiguous
distributions,
dense
areas
primarily
upstream
regions
dominated
by
Qinghai
Province
midstream
along
Shanxi-Shaanxi
coast.
(2)
number
scale
basin
generally
exhibit
an
increasing
trend,
imbalanced
provincial
distribution.
More
recent
years
show
balanced
proportions,
higher
mountainous
plateau
basin.
(3)
layout
center
within
evolves
each
batch,
showing
migration
north
south,
back
finally
west.
(4)
interaction
natural
social
plays
synergistic
role
TVs.
Among
these,
geographical
primary
factors.
commonly
found
low
altitude
sunny
slopes,
mild
climate,
abundant
precipitation,
proximity
ancient
roads
rivers,
gentle
soil
predominantly
comprising
loess,
brown
earth,
alluvial
soils.
environment
is
secondary
factor,
often
located
larger
populations,
developed
economies,
rich
heritage.
Earth s Future,
Journal Year:
2025,
Volume and Issue:
13(3)
Published: March 1, 2025
Abstract
Soil
erosion
status
is
a
comprehensive
indicator
reflecting
the
quality
and
stability
of
ecosystems.
changes
in
China
are
becoming
more
unclear
due
to
climate
change
intensified
human
activity.
Within
framework
change,
this
study
treats
rainfall
factor
as
dynamic
examines
three
types
contrasting
precipitation—general,
heavy,
extreme—through
integrates
Revised
Universal
Loss
Equation
Geographic
Information
Systems
reveal
differences
water
driven
by
varying
intensities
precipitation.
The
results
that
over
63%
China's
land
area
has
experienced
soil
during
historical
period
(1980–2022),
with
slight
being
most
common.
Severe
predominantly
found
Southwest
Basin,
Yangtze
River
Yellow
basin.
multi‐year
average
rate
estimated
at
2.46
t·ha
−1
yr
,
R95P
R99P
contributing
26.50%
7.71%,
respectively.
Future
projections
(2023–2100)
indicate
PRCPTOT,
R95P,
could
increase
22%–91%
under
SSP5‐RCP8.5
SSP2‐RCP4.5
scenarios.
Overall,
limited
effect
on
spatial
pattern
China,
mainly
influencing
intensity
extent
adversely
impacting
regions.
Extreme
precipitation
sensitive
making
future
risks
associated
it
critical
concern.
These
findings
can
guide
decision‐makers
resource
managers
regional
planning
enhance
resilience
secure
food
resources.
Land,
Journal Year:
2024,
Volume and Issue:
13(4), P. 475 - 475
Published: April 7, 2024
Vegetation,
serving
as
the
primary
constituent
of
terrestrial
ecosystems,
plays
a
crucial
role
in
regulating
energy
flow
and
material
cycles
providing
vital
resources
for
human
socio-economic
activities.
This
study
analyzes
spatio-temporal
patterns
economic
density
vegetation
coverage
Yellow
River
Basin
(YRB)
based
on
forest
resource
inventory
data
from
448
counties
2008,
2013,
2018.
A
three-tiered
criterion
layer
is
constructed
using
core
explanatory
variable,
encompassing
social
development
factors,
land
use
natural
factors.
two-way
fixed
effects
model
then
utilized
to
analyze
impact
coverage.
Results
reveal
that:
(1)
Spatially,
demonstrates
“low
west
high
east”
pattern,
with
an
overall
upward
trend
YRB.
Conversely,
cover
exhibits
“high
low
displaying
downward
trend.
(2)
Over
2008–2018
period,
significant
negative
correlation
between
observed
each
county
YRB,
decreasing
by
1.108%
every
1
unit
increase
density.
Notably,
upstream
areas
YRB
experience
coverage,
while
middle
lower
reaches
witness
decrease.
(3)
Considering
control
variables,
proportion
industry,
urbanization
rate,
protection
level,
cultivated
area
exert
influence
across
entire
basin.
Policymakers
should
formulate
relevant
policies
achieve
sustainable
discussed
proposed
countermeasures.
delineates
practical
pathway
high-quality
high-level
ecological
offering
valuable
reference
analogous
research
other
regions.
Land,
Journal Year:
2024,
Volume and Issue:
13(3), P. 302 - 302
Published: Feb. 28, 2024
Previous
research
has
primarily
focused
on
soil
erosion
issues
in
arid
and
semi-arid
regions,
with
a
limited
understanding
of
mechanisms
tropical
areas.
Additionally,
there
is
lack
holistic
perspective
to
determine
the
spatial
attribution
erosion.
The
conversion
rainforests
into
economically
driven
plantations,
like
rubber
pulpwood,
resulted
distinct
characteristics
specific
regions.
To
enhance
our
knowledge
patterns
it
necessary
examine
three
major
watersheds
Hainan
Island
from
1991
2021,
which
encompass
significant
geographical
features
such
as
island
water
sources
rainforest
national
parks.
study
employed
China
Soil
Loss
Equation
(CSLE)
model,
slope
trend
analysis,
Pearson
correlation
land-use
transfer
matrix,
analysis
under
different
scenarios.
results
indicate
that
scenarios
by
combination
natural
human
factors
have
greatest
impact
changes
entire
area.
Co-driven
increases
affected
53.56%
area,
while
co-driven
decreases
21.74%.
31-year
showed
an
overall
increasing
trend.
Human
were
identified
primary
drivers
increased
Nandu
River
basin,
climate
anthropogenic
influenced
decrease
In
Changhua
activities
contributed
increase,
caused
Wanquan
intensified
erosion,
whereas
mitigated
it.
This
underscores
combined
It
emphasizes
importance
considering
human-induced
when
implementing
control
measures