Frontiers in Ecology and Evolution,
Год журнала:
2024,
Номер
12
Опубликована: Ноя. 18, 2024
A
reasonable
ecological
security
pattern
can
improve
landscape
connectivity,
promote
biological
circulation,
maintain
processes,
and
regional
ecosystem
service
functions
human
well-being.
Accordingly,
systematically
scientifically
analyzing
the
spatiotemporal
evolution
characteristics
of
has
essential
theoretical
practical
significance.
This
research
proposed
that
analysis
framework
should
include
a
complete
system
composed
sources,
resistance
surfaces,
corridors.
Thus,
this
uses
network
method
to
analyze
in
Qinba–Dabie
intersection
zone
China,
natural
unit
across
administrative
regions,
from
2000
2020.
Results
revealed
following:
(1)
The
distribution
change
law
sources
study
area
was
consistent
with
their
centrality.
(2)
In
northeast
area,
disappearance
small
which
play
stepping
stone
role,
led
longer
length
weaker
centrality
(3)
surface
showed
an
overall
growth
trend,
while
corridor
deterioration
trend.
Based
on
results,
suggests
systematic
targeted
protection
are
basis
for
maintaining
pattern,
improvement
is
key
improving
pattern.
Therefore,
measures
such
as
core
rational
layout
stones,
values
at
points
be
paid
attention
future.
Ecological Informatics,
Год журнала:
2024,
Номер
82, С. 102678 - 102678
Опубликована: Июнь 13, 2024
Predicting
and
mapping
connectivity
between
habitats
populations
is
critical
to
addressing
habitat
loss
biodiversity
issues.
Several
strategies
in
the
literature
exist
understand,
restore,
preserve
ecological
connectivity.
The
main
issue
of
current
research
identify
which
modeling
are
most
reliable
for
planning
purposes.
Our
goals
this
paper
were
compare
predictions
using
a
wide
variety
commonly
used
approaches
improve
understanding
similarities
differences
these
methods.
Specifically,
we
investigated
related
algorithm,
number
distribution
source
points,
threshold
distance
at
allowed
locations.
First,
separately
applied
different
methods
model
same
study
area.
Then,
going
through
series
hypotheses,
compared
models
confirm
or
disprove
initial
hypotheses.
We
proposed
4
hypotheses
14
combinations
them,
hypothesizing
that
what
influences
results
dispersal
thresholds;
algorithms,
especially
kernel,
path,
graph
theory-based
approaches;
produced
by
two
software
tools,
UNICOR
Graphab;
use
points
derived
from
synoptic
patch-based
perspective.
found
dominant
pattern
analyses
was
method
analysis,
with
clear
graph-theory
relatively
little
effect
due
density
define
capability.
This
work
provides
one
first
comparisons
spatial
methods,
frameworks,
parameterizations
models.
support
environmental
clarifying
movement
patterns
how
predicted
networks
differ
analytical
frameworks.
Land,
Год журнала:
2024,
Номер
13(12), С. 2085 - 2085
Опубликована: Дек. 3, 2024
With
the
increasing
demand
for
outdoor
recreation
and
fitness,
this
study
aims
to
assess
connectivity
of
green
(OGR)
network
from
perspective
travel
propose
optimization
framework.
The
Point
Interest
(POI)
Area
(AOI)
datasets
OGR
spots
in
Zhengzhou
were
utilized
as
primary
research
materials.
A
combination
GIS
spatial
analysis
Graph
index
calculation
is
employed
quantify
diagnose
based
on
multi-source
data
(land
cover,
topography,
road
network).
system
cost
surface
establishment
was
improved
proposed,
shifting
its
focus
previous
biological
migration
ecological
human
improving
network.
technical
process
explored
presented.
results
show
that:
(1)
scale,
number,
distribution
are
significantly
different
urban
rural
areas.
Numerous
small-scale
short-distance
recreational
paths
distributed
areas,
while
a
limited
number
large-scale
long-distance
situated
areas
with
better
natural
resources.
(2)
Compared
driving
travel,
poor
when
walking
cycling.
indexes
Dg,
BC,
dPC
can
be
used
reflect
connection
capability,
bridging
role,
contribution
each
spot
overall
connectivity.
(3)
current
optimized
through
30
new
land
suitability
analysis.
will
improve
by
4%,
suitable
increased
41.
(4)
methodologies
quantifying
optimizing
offer
valuable
references
future
field.
