Forests,
Год журнала:
2024,
Номер
15(8), С. 1288 - 1288
Опубликована: Июль 24, 2024
Climate
change
has
been
regarded
as
a
primary
threat
to
biodiversity
at
local,
regional,
and
global
scales.
Populus
euphratica
Oliv.
is
one
of
the
main
constructive
species
in
dryland
regions
key
role
regulating
ecosystem
processes
services.
However,
there
knowledge
gap
regarding
spatial
distribution
habitat
suitability
P.
how
it
will
be
affected
by
future
climate
change.
Based
on
records
collected
from
an
online
database
specialized
literature,
we
applied
optimized
MaxEnt
model
predict
range
China
under
four
scenarios
(SSP126,
SSP245,
SSP370,
SSP585)
for
both
current
(2090s)
conditions.
We
found
that
(1)
would
reduce
adaptability
euphratica,
resulting
significant
decrease
its
area;
(2)
water
availability
had
most
important
effect
distribution;
(3)
shift
northwestward
contract
towards
lower
elevations
closer
rivers
future.
These
findings
can
provide
reference
developing
long-term
conservation
management
strategies
arid
regions.
Plants,
Год журнала:
2024,
Номер
13(6), С. 890 - 890
Опубликована: Март 20, 2024
The
suitable
habitat
of
endangered
Ephedra
species
has
been
severely
threatened
and
affected
by
climate
change
anthropogenic
activities;
however,
their
migration
trends
restoration
strategies
are
still
relatively
understudied.
In
this
study,
we
utilized
the
MaxEnt
model
to
simulate
habitats
five
in
China
under
current
future
scenarios.
Additionally,
identified
significant
ecological
corridors
incorporating
minimum
cumulative
resistance
(MCR)
model.
Under
scenario,
area
equisetina
Bunge,
intermedia
Schrenk
ex
Mey,
sinica
Stapf,
monosperma
Gmel
Mey
comprised
16%
China,
while
rhytidosperma
Pachom
only
0.05%.
distribution
patterns
these
were
primarily
influenced
altitude,
salinity,
temperature,
precipitation.
scenarios,
areas
E.
equisetina,
intermedia,
projected
expand,
that
is
expected
contract.
Notably,
will
lose
its
future.
Our
showed
first-level
encompassed
a
wider
geographical
expanse,
sinica,
monosperma,
exhibited
shorter
length
covered
fewer
areas.
Overall,
our
study
provides
novel
insights
into
identifying
priority
protected
protection
targeting
species.
Forests,
Год журнала:
2022,
Номер
13(12), С. 2149 - 2149
Опубликована: Дек. 15, 2022
Ephedra
sinica
Stapf
is
an
important
traditional
medicinal
plant.
However,
in
recent
years,
due
to
climate
change
and
human
activities,
its
habitat
area
distribution
have
been
decreasing
sharply.
In
order
provide
better
protection
for
E.
sinica,
it
necessary
study
the
historical
future
potential
zoning
of
sinica.
The
maximum
entropy
model
(MaxEnt)
was
used
simulate
geographical
patterns
under
climatic
conditions
simulated
using
two
Shared
Socio-economic
Pathways.
main
results
were
also
analyzed
jackknife
method
ArcGIS.
showed
that:
(1)
suitable
China
about
29.18
×
105
km2—high-suitable
areas,
medium-suitable
low-suitable
areas
cover
6.38
km2,
8.62
14.18
respectively—and
mainly
distributed
Inner
Mongolia;
(2)
precipitation
temperature
contribute
more
sinica;
(3)
kinds
SSPs,
total
increased
significantly,
but
differences
between
2021–2040,
2041–2060,
2061–2080,
2081–2100
are
not
obvious;
(4)
barycentre
moves
from
position
southwest.
show
that
can
easily
adapt
climates
well,
ecological
value
will
become
important.
This
provides
scientific
guidance
protection,
management,
renewal
maintenance
Plants,
Год журнала:
2023,
Номер
12(4), С. 787 - 787
Опубликована: Фев. 9, 2023
Ephedra
species
are
beneficial
for
environmental
protection
in
desert
and
grassland
ecosystems.
They
have
high
ecological,
medicinal,
economic
value.
To
strengthen
the
of
sustainable
development
Ephedra,
we
used
occurrence
records
sinica
Stapf.,
intermedia
Schrenk
et
C.A.
Mey.,
equisetina
Bge.,
combined
with
climate,
soil,
topographic
factors
to
simulate
suitable
habitat
three
based
on
ensemble
models
Biomod2
platform.
The
results
were
tested
using
AUC,
TSS,
kappa
coefficients.
demonstrated
that
model
was
able
accurately
predict
potential
distributions
E.
sinica,
intermedia,
equisetina.
Eastern
central
Inner
Mongolia,
middle
eastern
Gansu,
northeastern
Xinjiang
optimum
regions
growth
equisetina,
respectively.
Additionally,
several
key
had
a
significant
influence
habitats
Ephedra.
affecting
distribution
annual
average
precipitation,
altitude,
vapor
pressure,
In
conclusion,
showed
ranges
mainly
Northwest
China
topography
climate
primary
influencing
factors.
Frontiers in Ecology and Evolution,
Год журнала:
2023,
Номер
11
Опубликована: Июль 28, 2023
Climate
change
has
a
significant
impact
on
the
potential
distribution
for
endangered
trees.
However,
to
date,
little
is
known
about
how
trees
and
main
associated
ones
in
different
types
of
subtropical
forests
respond
climate
change.
Here,
we
first
selected
Zelkova
schneideriana
endemic
China
its
as
focus
species
from
two
forest
communities
(i.e.
deciduous
broad-leaf
forest,
bamboo
mixed
forest)
China,
divided
them
into
pairs:
Z.
vs.
Celtis
sinensis
,
Phyllostachys
edulis
.
Then,
simulated
three
species’
suitable
areas
under
current
future
scenarios
using
Maxent
based
occurrence
records
environmental
variables,
further
measured
niche
overlap
between
each
pair
over
time.
Our
showed:
(1)
Temperature-related
factors
have
greater
influence
than
other
factors.
The
most
important
factor
influencing
population
was
Min
temperature
coldest
month
(Bio6),
followed
by
Mean
diurnal
range
(Bio2),
with
total
contribution
78.9%.
(2)
Currently,
area
predicted
be
106.50
×
10
4
km
2
mostly
located
region
especially
Anhui,
Hubei,
Hunan,
Jiangsu,
Zhejiang
provinces.
(3)
Its
would
decrease
average
migration
distance
19.72
16
scenarios,
core
migrating
northeast.
(4)
There
an
asynchrony
pairs.
One
C.
will
rise
terms
Schoener’s
D
I
values
whereas
one
P.
decline
future.
This
can
ascribed
ranges
these
well
their
ecological
characteristics.
study
provides
new
perspective
conservation
surrounding
neighbors
Chinese
forests.
