PLoS ONE,
Год журнала:
2022,
Номер
17(6), С. e0269179 - e0269179
Опубликована: Июнь 16, 2022
Central
Iran
supports
a
diversity
of
carnivores,
most
which
are
threatened
by
habitat
loss
and
fragmentation.
Carnivore
conservation
requires
the
identification
preservation
core
habitats
ensuring
connectivity
between
them.
In
present
study,
we
used
species
distribution
modeling
to
predict
suitability
linkage
(resistant
kernel
factorial
least-cost
path
analyses)
for
grey
wolf
golden
jackal
in
central
Iran.
For
wolf,
elevation,
topographic
ruggedness,
distance
Conservation
Areas
(CAs)
were
strongest
predictors;
jackal,
human
settlements,
dump
sites
ruggedness
influential
variables
predicting
occurrence
this
species.
Our
results
also
indicated
high
potential
large
parts
landscape
support
these
two
canid
The
largest
crucial
corridor
paths
both
located
southern
part
study
landscape.
We
found
small
overlap
with
CAs,
has
important
implications
future
viability
populations.
Some
sections
areas
bisected
roads,
where
vehicle
collisions
occurred.
To
minimize
mortality
risk,
propose
that
successful
will
necessitate
integrated
landscape-level
management,
as
well
corridors
development
mitigation
strategies
reduce
collisions.
Conservation Science and Practice,
Год журнала:
2023,
Номер
5(12)
Опубликована: Ноя. 6, 2023
Abstract
Conservation
outside
conservation
areas
(CAs)
is
more
challenging
due
to
increased
exposure
human‐induced
disturbances.
Therefore,
it
important
identify
and
designate
new
CAs
that
can
protect
core
wildlife
habitat
patches,
as
well
key
linkages
promote
connectivity.
We
performed
this
study
prioritize
patches
corridors
for
two
semi‐desert
sympatric
gazelles
in
Iran
(i.e.,
goitered
gazelle
Gazella
subgutturosa
jebeer
G.
bennettii
)
order
propose
the
expansion
of
existing
CAs.
used
an
ensemble
distribution
modeling
approach
based
on
three
algorithms
(random
forest,
maximum
entropy,
generalized
boosting
models)
suitability
assessment
a
combination
resistant
kernel
factorial
least‐cost
path
analysis
connectivity
modeling.
Our
results
revealed
distance
CAs,
elevation,
annual
mean
temperature
were
most
influential
variables
predicting
species.
identified
12
six
gazelle,
respectively
with
minimum
area
210
km
2
.
Core
mainly
occurred
north
central
basin
high
priority
both
protected
up
half
one‐third
gazelle.
Due
disturbances
(e.g.,
vehicle
collisions
poaching)
necessary
increase
regular
monitoring
establish
gazelles.
findings
highlight
opportunities
designating
promoting
by
limiting
road
impacts.
Global Ecology and Conservation,
Год журнала:
2023,
Номер
48, С. e02696 - e02696
Опубликована: Окт. 20, 2023
Desertification
alters
wildlife
distribution
by
reducing
vegetation
and
water
resources
that
are
associated
with
habitat
availability
quality.
Therefore,
in
anticipation
of
these
impacts
from
desertification,
it
is
particularly
important
to
understand
compare
drivers
connectivity
change
for
different
species
order
identify
those
have
the
highest
conservation
concerns
needs.
Many
Iran
expected
experience
substantial
changes
their
as
two-thirds
country
show
a
high
potential
desertification.
Among
species,
Rüppell's
fox
(Vulpes
rueppellii)
sand
cat
(Felis
margarita)
two
least
known
occur
sympatrically
desert
semi-desert
ecosystems.
Here,
we
assessed
baseline
conditions,
environmental
factors
affect
conditions
species.
We
found
cat's
was
spatially
patchy
fragmented,
whereas
more
expansive
connected.
Although
share
some
same
area,
our
models
contrasting
influence
habitat.
For
example,
suitable
relatively
warmer,
smoother
terrain,
closer
villages.
Whereas,
fox's
cooler,
rougher
at
greater
distances
away
Both
occurred
areas
(i.e.,
NDVI
model)
less
precipitation.
The
response
temperature
suggests
sympatric
might
respond
differently
warming
climate.
overlap
corridor
paths
core
habitats
Conservation
Areas
(CAs)
small.
At
75%
all
predicted
corridors
remain
unprotected
both
Further,
most
severely
bisected
roads.
Our
findings
highlight
opportunities
designating
new
promoting
limiting
road
impacts.
Ecology and Evolution,
Год журнала:
2022,
Номер
12(10)
Опубликована: Окт. 1, 2022
Abstract
North
China
leopard
(
Panthera
pardus
japonensis
)
is
the
most
widespread
subspecies
of
and
one
rare
endangered
species
in
China.
It
currently
confined
to
several
isolated
natural
reserves,
little
known
about
its
habitat
network
connectivity
with
land
use
changes.
This
study
was
conducted
assess
impacts
changes
on
landscape
for
Great
Taihang
Region.
Circuit
theory‐based
models
least‐cost
path
analyses
were
used
delineate
pathways
suitable
movement,
evaluate
connectivity.
The
results
revealed
that
there
37
paths
1990
38
2020.
area
forest
increased
from
57,142.74
km
2
74,836.64
,
percentage
increasing
26.61%
34.85%.
In
general,
increase
promoted
at
broad
spatial
scales.
improvement
not
always
consistent
changes,
a
slightly
decreasing
trend
some
key
movement
barrier
areas
high
intensity
human
activities.
Improving
scales
as
important
protecting
habitats
(natural
reserves)
where
lives.
Our
can
serve
an
example
exploring
relationships
between
conservation
limited
pattern
data.
information
proved
be
critical
enhancing
concern
planning
reserves
network.
Frontiers in Ecology and Evolution,
Год журнала:
2023,
Номер
11
Опубликована: Фев. 2, 2023
Population
or
habitat
connectivity
is
a
key
component
in
maintaining
species
and
community-level
regional
biodiversity
as
well
intraspecific
genetic
diversity.
Ongoing
human
activities
cause
destruction
fragmentation,
which
exacerbate
the
due
to
restricted
animal
movements
across
local
habitats,
eventually
resulting
loss
of
biodiversity.
The
Baekdudaegan
Mountain
Range
(BMR)
on
Korean
Peninsula
represents
“biodiversity
hotspots”
eight
22
national
parks
are
located
within
BMR.
Given
striped
field
mouse
(
Apodemus
agrarius
)
most
common
ecologically
important
small
mammals
these
protected
areas,
population
assessment
this
will
allow
for
identifying
“genetic
diversity
also
barriers”
that
may
hinder
gene
flow,
therefore
inform
effective
conservation
management
efforts
park
habitats.
We
collected
samples
from
hair,
tail,
buccal
swabs
252
A.
individuals
2015
2019.
By
using
mitochondrial
DNA
cytochrome
b
cyt
sequences
nine
microsatellite
loci,
we
determined
levels
diversity,
differentiation,
flow
among
populations
along
found
high
but
occurrences
inbreeding
all
analyzed.
Our
results
indicated
there
was
detectable
temporal
variation
between
2019
Jirisan
National
Park,
probably
short-term
decline
caused
by
reduced
sizes.
well-admixed
shared
pool
populations.
However,
significant
positive
correlation
geographic
distances
detected
only
mtDNA
not
microsatellites,
might
be
attributed
different
dispersal
patterns
sexes.
There
barrier
around
Woraksan
Park
areas.
poor
surrounding
areas
can
improved
establishing
an
ecological
corridor.
findings
presence
barriers
some
provide
insights
into
improve
parks.
