Ecological Indicators,
Год журнала:
2021,
Номер
124, С. 107414 - 107414
Опубликована: Янв. 27, 2021
Habitat
fragmentation
has
largely
reduced
biodiversity
in
the
urban
fringe.
The
prioritization
of
individual
habitat
patches
can
provide
spatially
explicit
guidance
for
ecological
conservation
and
restoration.
Numerous
studies
discussed
effectiveness
purely
spatial
connectivity
metrics
to
rank
priority
habitats,
but
hardly
resolved
this
issue
a
dynamic
landscape
context.
Meanwhile,
spatio-temporal
were
usually
applied
at
scale,
are
rarely
extended
determine
patch
scale.
As
such,
we
extend
generalized
betweenness
centrality
metric
into
networks
evaluate
priorities
from
perspective.
contribution
rates
examined
varying
dispersal
distances
target
species.
Caidian
District,
fringe
Wuhan
City
central
China,
is
taken
as
case
study.
results
illustrate
that
net
decrease
amounts
quality
2005
2015
was
mainly
caused
by
expansion
agricultural
production.
positive
observed
distance
thresholds
exceeding
200
m
which
allows
us
capture
response
dynamics.
Accordingly,
develop
balanced
strategy
multiple
species
targeted
measures
based
on
coupled
analysis
patches.
Our
findings
expected
solid
support
growth.
Landscape Ecology,
Год журнала:
2023,
Номер
38(12), С. 3751 - 3765
Опубликована: Ноя. 7, 2023
Abstract
Introduction
Habitat
fragmentation
is
one
of
the
major
causes
loss
biodiversity
that
our
planet
experiencing.
This
has
affected
ecosystems
functioning
and,
consequently,
provision
ecosystem
services
(ES).
Therefore,
European
Commission,
in
a
2013
communication,
established
concept
Green
Infrastructure
(GI),
which
strategically
planned
network
multifunctional
areas
with
aim
protecting
and
ES
supply,
as
well
improving
ecological
connectivity.
Ecological
restoration
an
essential
element
to
achieve
objectives
GI,
if
targeted,
could
reverse
widespread
degradation
improve
landscape
Objective
In
this
study,
we
propose
methodology
prioritise
restore
by
identifying
GI
Urdaibai
Biosphere
Reserve
(UBR),
north
Iberian
Peninsula,
where
forest
plantations
exotic
species
abound.
Methods
order
identify
elements
(core
corridors)
integrated
multispecies
approach
based
on
movement
key
ES-based
multifunctionality.
Subsequently,
identified
sectors
connectivity
particularly
vulnerable
(pinch
points)
using
circuit
theory.
Thus,
around
pinch
points
were
prioritised
for
future
plans
depending
their
aim:
(1)
Improve
corridors
high
importance
low
quality
(2)
approach,
(3)
movement.
Results
The
resultant
included
36%
UBR
surface.
We
34
three
especies
64
approach.
149
ha
convert
into
native
167
Conclusion
information
be
useful
organizations
institutions
carrying
out
actions
recovering
forests
territory.
Ecology and Evolution,
Год журнала:
2020,
Номер
10(14), С. 7686 - 7712
Опубликована: Июль 1, 2020
Abstract
Replicated
multiple
scale
species
distribution
models
(SDMs)
have
become
increasingly
important
to
identify
the
correct
variables
determining
and
their
influences
on
ecological
responses.
This
study
explores
multi‐scale
habitat
relationships
of
snow
leopard
(
Panthera
uncia
)
in
two
areas
Qinghai–Tibetan
Plateau
western
China.
Our
primary
objectives
were
evaluate
degree
which
relationships,
expressed
by
predictors,
scales
response,
magnitude
effects,
consistent
across
or
locally
landcape‐specific.
We
coupled
univariate
optimization
maximum
entropy
algorithm
produce
multivariate
SDMs,
inferring
relative
suitability
for
ensembling
top
performing
models.
optimized
SDMs
based
average
omission
rate
ensembles’
overlap
with
a
simulated
reference
model.
Comparison
highlighted
landscape‐specific
responses
limiting
factors.
These
dependent
effects
hydrological
network,
anthropogenic
features,
topographic
complexity,
heterogeneity
landcover
patch
mosaic.
Overall,
even
accounting
specific
local
differences,
we
found
general
landscape
attributes
associated
requirements,
consisting
positive
association
uplands
ridges,
aggregated
low‐contrast
landscapes,
large
extents
grassy
herbaceous
vegetation.
As
means
performance
bias
correction
methods,
explored
three
datasets
showing
range
intensities.
The
corrections
depends
intensity;
however,
density
kernels
offered
reliable
strategy
under
all
circumstances.
reveals
response
leopards
environmental
confirms
role
meta‐replicated
designs
identification
spatially
varying
Furthermore,
this
makes
contributions
ongoing
discussion
about
best
approaches
sampling
correction.
Ecology and Evolution,
Год журнала:
2021,
Номер
11(19), С. 13464 - 13474
Опубликована: Авг. 30, 2021
Abstract
Habitat
fragmentation
has
major
negative
impacts
on
wildlife
populations,
and
the
connectivity
could
reduce
these
impacts.
This
study
was
conducted
to
assess
habitat
suitability
structural
of
Persian
leopard
along
Iran–Iraq
border
(i.e.,
Zagros
Mountains)
compare
situation
identified
core
habitats
with
existing
conservation
areas
(CAs).
An
ensemble
modeling
approach
resulting
from
five
models
used
predict
suitability.
To
identify
corridors
border,
factorial
least‐cost
path
analyses
were
applied.
The
results
revealed
that
topographic
roughness,
distance
CAs,
annual
precipitation,
vegetation/cropland
density,
rivers
most
influential
variables
for
predicting
occurrence
in
area.
By
an
estimated
dispersal
82
km
(suggested
by
previous
studies),
three
(two
cores
Iran
one
Iraq).
largest
located
south
center
area,
which
had
highest
priorities.
maintained
within
Iraqi
side.
Only
about
one‐fifth
detected
relative
protected
CAs
Detected
this
be
appropriate
road
map
accomplish
network
regarding
conservation.
Establishing
transboundary
particularly
is
strongly
recommended
conserve
large
carnivores,
including
leopard.
PLoS ONE,
Год журнала:
2022,
Номер
17(4), С. e0265136 - e0265136
Опубликована: Апрель 5, 2022
Wildlife
corridors
are
typically
designed
for
single
species,
yet
holistic
conservation
approaches
require
suitable
multiple
species.
Modelling
habitat
linkages
wildlife
is
based
on
several
modelling
steps
(each
involving
choices),
and
in
the
case
of
multi-species
corridors,
an
approach
to
optimize
species
few
or
a
functional
corridor
To
model
robust
simultaneously
evaluate
impact
methodological
choices,
we
develop
multi-method
delineate
that
effectively
capture
movement
while
limiting
area
required.
Using
presence
data
collected
along
ground-based
line
transects
between
Lake
Manyara
Tarangire
National
Parks,
Tanzania,
assessed
species-habitat
association
both
ensemble
stacked
distribution
frameworks
used
these
estimate
linearly
non-linearly
scaled
landscape
resistances
seven
ungulate
We
evaluated
suitability
least-cost
circuit
theory-based
connectivity
models
each
individually
generated
corridor.
Our
results
revealed
relationships
subsequent
differed
across
but
pattern
predicted
study
was
similar
all
regardless
method
(circuit
theory
least-cost)
scaling
suitability-based
cost
surface
(linear
non-linear).
Stacked
were
highly
correlated
with
outputs
(r
=
0.79
0.97),
having
greatest
overlap
individual
model:
61.6%;
non-linear
60.2%).
Zebra
best
single-species
proxy
connectivity.
Overall,
show
achieve
relatively
low
cumulative
costs
savanna
ungulates
as
compared
their
respective
corridors.
Given
challenges
involved
acquiring
parameterizing
zebra
may
act
this
system.
Perspectives in Ecology and Conservation,
Год журнала:
2021,
Номер
19(1), С. 81 - 89
Опубликована: Янв. 1, 2021
Designing
protected
areas
capable
of
supporting
organism
flow
is
critical
for
species
persistence
across
wide
scales.
Here,
we
evaluated
the
capacity
and
protection
level
forest
fragments
to
sustain
connectivity
carnivores
in
Atlantic
Forest.
We
simulated
potential
dispersal
considering
spatial
demands
quantified
importance
patches
with
different
sizes
sustaining
movement.
found
that
smaller
than
home-range
size
represented
more
95%
used
during
dispersal.
These
small
remnants
play
a
key
role
upholding
carnivores,
especially
moving
long
distances.
Although
structure
did
support
most
movements,
our
results
showed
some
must
cross
matrices
composed
by
crops
pasture
complete
their
trajectories.
Moreover,
between
29%
70%
area
around
species'
movement
paths,
which
could
act
as
corridors,
overlap
human
activities.
Current
established
–
mainly
targeted
sustainable
use
cover
only
15%
entire
extension
enrolled
reinforce
conservation
efforts
should
not
overlook
improve
connectivity.
Integrating
restoration
matrix
management
would
benefit
long-term
persistence.