Predicting climate-driven shift of the East Mediterranean endemic Cynara cornigera Lindl
Heba Bedair,
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Yehia Hazzazi,
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Asmaa Abo Hatab
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et al.
Frontiers in Plant Science,
Journal Year:
2025,
Volume and Issue:
16
Published: Feb. 20, 2025
Climate
change
poses
significant
challenges
to
the
distribution
of
endemics
in
Mediterranean
region.
Assessing
impact
climate
on
patterns
is
critical
importance
for
understanding
dynamics
these
terrestrial
ecosystems
under
uncertainty
future
changes.
The
population
size
Cynara
cornigera
has
declined
significantly
over
previous
century
across
its
geographical
This
decline
linked
how
ongoing
affecting
natural
resources
like
water
and
capacity
foraging
sites.
In
fact,
it
distributed
3
fragmented
locations
Egypt
(Wadi
Hashem
(5
individuals),
Wadi
Um
Rakham
(20
Burg
El-Arab
(4
individuals)).
this
study,
we
examined
C.
cornigera's
response
predicted
next
few
decades
(2020-2040
2061-2080)
using
species
models
(SDMs).
Our
analysis
involved
inclusion
bioclimatic
variables,
SDM
modeling
process
that
incorporated
five
algorithms:
generalized
linear
model
(GLM),
Random
Forest
(RF),
Boosted
Regression
Trees
(BRT),
Support
Vector
Machines
(SVM),
Generalized
Additive
Model
(GAM).
ensemble
obtained
high
accuracy
performance
outcomes
with
a
mean
AUC
0.95
TSS
0.85
overall
model.
Notably,
RF
GLM
algorithms
outperformed
other
algorithms,
underscoring
their
efficacy
predicting
Analysis
relative
variables
revealed
Precipitation
wettest
month
(Bio13)
(88.3%),
warmest
quarter
(Bio18)
(30%),
driest
(Bio14)
(22%)
as
primary
drivers
shaping
potential
cornigera.
findings
spatial
variations
habitat
suitability,
highest
observed
Egypt,
(especially
Arishian
sub
sector),
Palestine,
Morocco,
Northern
Cyprus,
different
islands
Sea
Crete.
Furthermore,
our
range
would
drop
by
more
than
25%
during
decades.
Surprisingly,
area
(SSP
126
scenario)
2061
2080
showed
there
increase
suitable
habitats
area.
It
suitability
along
coastal
strip
Spain,
Sardinia,
Algeria,
Tunisia,
Libya,
Lebanon,
Aegean
islands.
Language: Английский
Functional and habitat characteristics associated with nativeness, rarity, and invasiveness in the aquatic vascular flora of Sardinia
Global Ecology and Conservation,
Journal Year:
2025,
Volume and Issue:
unknown, P. e03482 - e03482
Published: Feb. 1, 2025
Language: Английский
Metabolic and Stomatal Traits of Pancratium maritimum L. (Sand Daffodil) Subjected to Induced Salinity
Stresses,
Journal Year:
2025,
Volume and Issue:
5(1), P. 14 - 14
Published: Feb. 14, 2025
Pancratium
maritimum
L.
(sea
or
sand
daffodil)
—which
is
a
perennial
geophyte
native
to
coastal
habitats
of
the
Mediterranean
region—was
used
investigate
effect
applied
salinity
on
leaves
and
bulbs.
Three
groups
potted
bulbs
growing
in
growth
chamber
were
irrigated
using
aqueous
sodium
chloride
solutions
(1.5%,
3%,
6%)
one
group
was
with
distilled
water.
Substantial
fluctuations
proline
accumulation,
soluble
sugars,
starch
content
have
been
investigated
plants
response
induced
salinity.
The
highest
leaf
sugar
(239.78
mg/g
d.w.)
bulb
(213.31
d.w.),
as
well
lowest
accumulation
(10.5
μmol/g
found
samples
from
subjected
1.5%
NaCl.
In
bulbs,
elevated
(500
627
3%
NaCl,
respectively.
stomatal
density
differed
among
apical,
middle,
basal
parts
same
blade
treatment;
values
(12,778
stomata/cm2)
detected
apical
part
(1407
solution.
number
adjacent
stomata
connected
structural
strand
varied
while
it
quite
similar
comparable
6%;
this
trait
may
counterbalance
functional
implications
estimated
under
conditions.
According
results,
there
some
consensus
that
NaCl
simulate
natural
habitat
P.
maritimum,
therefore
being
helpful
framework
for
sustainable
horticulture
regions.
Language: Английский