Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: Aug. 7, 2024
Introduction
Understanding
how
human
activities
affect
biodiversity
is
needed
to
inform
systemic
policies
and
targets
for
achieving
sustainable
development
goals.
Shallow
tillage
remove
Artemisia
ordosica
commonly
conducted
in
the
Mu
Us
Desert.
However,
impacts
of
shallow
on
plant
community
species
diversity,
phylogenetic
structure,
assembly
processes
remain
poorly
understood.
Methods
This
study
explores
effects
diversity
including
three
a-diversity
two
b-diversity
indicators,
as
well
structure
[phylogenetic
(PD),
net
relatedness
index
(NRI),
nearest
taxon
(NTI)].
Additionally,
this
research
analyzes
process.
Results
discussion
The
results
showed
that
index,
PD
(ST)
communities
were
significantly
higher
than
those
non-shallow
(NT)
communities,
structures
both
ST
NT
tended
be
differentiated,
with
competitive
exclusion
being
main
mechanism
assembly.
increased
relative
importance
stochastic
dominated
by
dispersal
limitation,
mitigating
competition
communities.
conclusion
was
supported
Raup–Crick
difference
index-based
analysis.
Conclusion
Therefore,
ecological
restoration
Desert,
adaptability
low
niche
overlap
should
selected
increase
utilization
efficiency
environmental
resources.
provide
a
foundation
policy
ecosystem
management
Ecological Indicators,
Journal Year:
2024,
Volume and Issue:
166, P. 112480 - 112480
Published: Aug. 13, 2024
Recently,
rapid
economic
development
of
the
Yangtze
River
Economic
Belt
region
in
China
and
growing
problem
regional
habitat
quality
have
seriously
threatened
process
biodiversity
conservation
Basin.
Studying
impact
changes
landscape
pattern
indexes
on
can
provide
policy
insights
for
However,
existing
studies
are
still
lacking
exploring
effects
changing
indices
under
future
scenarios.
Based
land
use
data
from
2000
to
2020,
this
study
simulates
situation
2030,
analyzes
during
30
years,
investigate
at
global
local
scales
through
various
methods.
The
results
show
that
patterns
were
significantly
affected
by
human
activities
types,
with
experiencing
increased
levels
structural
stabilization
three
decades
(Shannon
Diversity
Index
0.90
0.94
2030),
fragmentation
(Landscape
index
increase
0.094
0.102
weakened
connectivity
(contagion
decrease
48.213
45.437
2030).
Habitat
Quality
has
a
large
variation
spatial
distribution
county
scale,
an
average
change
1.04
%
overall
downward
trend.
There
is
strong
localized
autocorrelation
between
quality,
significant
heterogeneity
some
form
variability
time
scales.
help
further
understand
eco-environmental
problems
Belt,
theoretical
references
formulation
ecological
environmental
protection
policies
functional
area
planning.
Ecosystem Services,
Journal Year:
2024,
Volume and Issue:
66, P. 101607 - 101607
Published: Feb. 24, 2024
Based
on
different
definitions,
deserts
may
constitute
13%
to
33%
of
the
global
terrestrial
surface.
This
is
larger
than
area
tropical
forests
and
all
types
wetlands
combined.
However,
desert
ecosystems
are
among
least
studied
in
terms
their
ecosystem
services
(ES),
especially
those
that
arise
from
species
processes
unique
deserts.
There
numerous
research
gaps
need
be
filled
including:
(1)
ignorance
ES,
as
well
deserts'
special
effects
ES;
(2)
limited
application
sophisticated
approaches
for
economic
valuation
(3)
lack
diverse
values
valuation.
Moreover,
payment
(PES)
schemes
often
used
combat
desertification
rather
conserving
well-functioning
Valuation
ES
crucial
implementation
PES
through
raising
awareness
overlooked
deserts,
motivating
investment,
designing
amounts,
estimating
social
benefit-cost
ratios
payments.
In
addition
market-based
voluntary
PES,
common
asset
trusts
(CATs)
following
Ostrom's
eight
core
design
principles
also
contribute
sustainable
management
ecosystems.
Future
should
explore
investigate
relationships
between
geosystem
services,
improve
accuracy
integrate
perspectives
values.
The
results
potentially
aid
both
combatting
important
BMC Plant Biology,
Journal Year:
2025,
Volume and Issue:
25(1)
Published: Feb. 1, 2025
Plant
diversity
in
arid
environments
is
very
important
for
ecosystem
function
and
services.
Raudhat
habitat
among
the
most
ecosystems
regions
which
characterized
by
its
rich
biodiversity
specific
environmental
conditions.
The
present
study
aims
to
characterize
plant
communities
soil
seed
banks
of
Alkhafs,
northeast
Riyadh
City,
Saudi
Arabia.
Vegetation
composition
was
analyzed
during
winter-spring
summer-fall
seasons.
Soil
samples
were
collected
from
each
site
bank
analysis
through
seedling
emergence
techniques
chemical
physical
analyses.
Eighty-three
species
recorded
(50.6%
perennial
49.4%
annual
plants).
Among
30
families,
Asteraceae,
Poaceae,
Brassicaceae,
Boraginaceae,
Fabaceae
frequent
(50.6%).
Therophytes
are
distinguished
as
major
(45.8%)
because
their
ability
tolerate
environments,
high
reproduction
rate,
ecological
flexibility,
genetic
plasticity.
showed
three
season
dominated
Plantago
ciliata,
Calotropis
procera,
Heliotropium
ramosissimum,
while
season,
procera
one
community,
two
other
ramosissimum.
During
ramosissimum
community
revealed
highest
richness
(Simpson
index
=
0.92)
evenness
(Shannon-evenness
0.83).
These
variations
seasons
can
be
ascribed
climatic
For
identified
significant
salinity,
texture,
water
holding
capacity,
H2CO3,
K,
Na
contents.
However,
Cl,
Mg
Regarding
bank,
22
samples,
mainly
annuals.
density
ranged
156
1339
seeds/m2.
Trigonella
stellata
Forssk.
attained
number
seeds
(1628
seeds/m2),
followed
ciliata
(1000
seeds/m2)
Poa
annua
(889
seeds/m2).
About
45%
not
earlier
Alkhafs.
low
correlation
between
aboveground
vegetation
northern
part
studied
region
degradation
could
due
overgrazing
anthropogenic
activities.
Based
on
obtained
results,
sites
AlKhafs-North
need
immediate
restoration
rehabilitation
conserve
this
site.
Ecological Indicators,
Journal Year:
2023,
Volume and Issue:
152, P. 110340 - 110340
Published: May 19, 2023
Plant
diversity
is
very
important
for
maintaining
the
structure
and
function
of
ecosystems.
Affected
by
climate
change,
it
increasingly
sensitive
to
abiotic
stresses,
especially
in
ecologically
fragile
arid
areas.
Moreover,
human
activities
have
accelerated
this
process,
resulting
a
reduction
plant
diversity.
Revealing
spatial
pattern
effecting
mechanisms
at
watershed
level
beneficial
biodiversity
conservation.
Here,
we
analyze
changes
its
influencing
factors
desert
riparian
forest
lower
reaches
Kashgar
River
using
niche
theory,
interspecific
association
analysis,
geographic
information
system
(GIS)
mapping,
redundancy
analysis
(RDA),
structural
equation
modelling
(SEM).
We
show
that
breadth
plants
varies
from
0.174
0.451,
overlap
ranges
0.059
0.995,
Populus
euphratica
Tamarix
chinensis
are
dominant
species
improving
environment
stable
ecological
balance
communities.
has
heterogeneity
woody
higher
than
herbaceous
plants,
which
decreases
with
increasing
groundwater
depth
salt
content.
Groundwater
was
key
factor
stress
In
fact,
works
soil
moisture
LULC
change
significantly
reduced
(P
<
0.05)
destroyed
ecosystem
balance.
NDVI
were
positively
correlated
0.01).
It
useful
understanding
predicting
Therefore,
effective
implementation
water
conveyance
can
promote
rise,
alleviate
shortage,
reduce
content,
increase
addition,
reasonable
control
improvement
vegetation
cover
will
help
maintain
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: June 7, 2024
Abstract
The
present
study
employed
remote
sensing
images
of
the
Fen
River
Basin
from
2005,
2010,
2015,
and
2020
as
primary
data
source.
software
ENVI,
ArcGIS,
Fragstats
4.2
were
utilized
to
measure
landscape
pattern
index
Basin.
A
collinearity
test
was
conducted
remove
any
redundant
indices.
Based
on
selected
indices,
values
ascertained
follows.
Using
shifting
window
method,
obtained.
Second,
habitat
quality
in
assessed
using
InVEST
model,
spatial
autocorrelation
approach
confirm
that
spatially
autocorrelated.
Finally,
impacts
indices
examined
MGWR
model.
results
show
(1)
Basin's
overall
declined
between
2005
2020;
however,
deterioration
slowed
with
time
had
a
typical
"poor
middle
high
around
margins"
distribution.
low-value
area
continued
increase,
lower-value
decreased
annually,
middle-value
then
increased,
higher-quality
tended
decrease,
increase
again,
high-quality
annually.
(2)
fit
model
greater
than
those
OLS
traditional
GWR
models,
it
able
more
clearly
illustrate
various
roles
play
one
another.
(3)
Changes
patterns
major
impact
quality;
positively
impacted
by
PD
AI,
negatively
MESH,
positive
negative
bidirectional
effects
CONTAG
AI.
International Journal of Environmental Research and Public Health,
Journal Year:
2023,
Volume and Issue:
20(4), P. 3608 - 3608
Published: Feb. 17, 2023
Drylands,
which
account
for
41%
of
Earth’s
land
surface
and
are
home
to
more
than
two
billion
people,
play
an
important
role
in
the
global
carbon
balance.
This
study
analyzes
spatio-temporal
patterns
vegetation
sinks
sources
arid
region
northwest
China
(NWC),
using
net
ecosystem
production
(NEP)
through
Carnegie–Ames–Stanford
approach
(CASA).
It
quantitatively
evaluates
regional
ecological
security
over
a
20-year
period
(2000–2020)
via
remote
sensing
index
(RSEI)
other
indexes,
such
as
Normalized
Difference
Vegetation
Index
(NDVI),
fraction
cover
(FVC),
primary
productivity
(NPP),
use.
The
results
show
that
annual
average
capacity
NWC
changed
from
sinks,
NEP
increased
at
rate
1.98
gC
m−2
yr−1
2000
2020.
Spatially,
northern
Xinjiang
(NXJ),
southern
(SXJ)
Hexi
Corridor
(HX)
even
faster
rates
2.11,
2.22,
yr−1,
respectively.
Obvious
geographically
heterogeneous
distributions
changes
occurred
sources.
Some
65.78%
areas
were
during
2000–2020,
concentrated
plains,
SXJ,
majority
sink
located
mountains.
plains
exhibited
positive
trend
(1.21
yr−1)
but
this
speed
has
slowed
since
2010.
mountain
only
intermittent
(2.55
2000–2020;
it
negative
2000–2010,
reversed
strongly
entire
was
enhanced
period.
Specifically,
RSEI
0.34
0.49,
NDVI
by
0.03
(17.65%),
FVC
expanded
19.56%,
NPP
27.44%.
Recent
trends
NDVI,
have
improved
eco-environment
NWC.
scientific
outcomes
great
importance
maintaining
stability
sustainable
economic
development
along
China’s
Silk
Road
Economic
Belt.
Israeli Journal of Aquaculture - Bamidgeh,
Journal Year:
2025,
Volume and Issue:
77(1)
Published: Feb. 19, 2025
In
order
to
deeply
analyze
the
individual
biological
characteristics
of
unique
fish
in
China,
lay
a
solid
foundation
for
effective
protection
its
germplasm
resources,
and
further
enrich
consolidate
basic
data
system
endemic
world.
According
ethical
norms
fishing
licenses,
5
samples
Diptychus
maculatus
3
Aspiorhynchus
laticeps
were
collected
from
Tarim
River
Baicheng
County
2023
2024.
The
morphological
characteristics,
age
identification
anatomical
observation
two
fishes
analyzed
by
classical
methods.
Both
belong
Cypriniformes,
Cyprinidae,
Schizothoracinae.
D.
has
long
body,
conical
head,
lower
mouth
with
pair
whiskers.
is
slightly
blunt
arcuate,
lateral
line
complete.
A.
long,
flattened
round
abdomen,
large
head
that
at
front.
It
also
whiskers
located
corners
mouth.
Age
materials:
lapillus
6+,
asteriscus
vertebra
anal
scales
opercular
bone
5+,
7+,
7+.
peritoneal
wall
black
or
brown
tooth
type
was
3·4-4·3;
external
behavior
gill
rakers
8-13;
internal
12-16.
pharynx
teeth
lines,
2·3·5-5·3·2;
11-13;
15-18.
are
special
species
distributed
system.
Their
evolutionary
adaptation
closely
related
uplift
Qinghai-Tibet
Plateau.
This
study
provides
important
better
understanding
these
endangered
lays
their
resource
conservation.
