Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Feb. 3, 2023
Abstract
Ecological
connectivity
in
a
landscape
is
one
of
the
crucial
factors
for
biodiversity
conservation.
Especially
case
large
mammals
like
top
carnivores.
Frequent
environmental
changes
have
resulted
isolated
world’s
wildlife
population
which
leads
to
increased
pace
loss.
Moreover,
Increased
human
inhabitants
and
shift
towards
edge
forests
provides
animals
with
very
less
or
no
scope
living
wilderness.
As
result,
ecological
analysis
planning
are
integral
part
another.
This
paper
reviews
available
techniques
quantifying
dispersal
landscape.
A
critical
thorough
review
theories
wide
range
methods,
tools
corridor
conservation
scenario
done
this
paper.
It
also
compiles
various
approach
utilized
globally.
An
exhaustive
discussion
on
modeling
such
as
graph
theoretic
approaches
(least
cost
path
analysis,
network
etc),
circuit
approaches,
agent
based
models
machine
learning
compiled
improved
decision
making.
International Journal of Environmental Research and Public Health,
Journal Year:
2022,
Volume and Issue:
19(19), P. 12778 - 12778
Published: Oct. 6, 2022
As
part
of
its
effort
to
balance
economic
development
with
environmental
objectives,
China
has
established
a
new
national
park
system,
the
first
five
locations
formally
in
2021.
However,
as
parks
all
host
or
are
proximate
human
populations,
aligning
socioeconomic
needs
and
aspirations
local
communities
conservation
aims
is
critical
for
long-term
success
parks.
In
this
narrative
review,
authors
identify
ecological
priorities
stakeholders
each
parks;
explore
tensions
synergies
between
these
stakeholders;
synthesize
policy
recommendations
most
frequently
cited
literature.
A
total
119
studies
were
reviewed.
Aligning
traditional
livelihoods
conservation,
limiting
road
construction,
promoting
education
awareness,
supporting
sustainable
tourism
industry
identified
important
steps
Land,
Journal Year:
2023,
Volume and Issue:
12(6), P. 1156 - 1156
Published: May 31, 2023
Human–wildlife
conflict
is
a
challenging
issue
that
requires
the
attention
of
conservationists
worldwide.
Habitat
fragmentation
and
encroachment
reduce
abundance
prey
species,
an
increase
in
number
predators
leads
to
higher
risk
with
large
cats
such
as
leopards,
jeopardizing
conservation
efforts.
This
study
explored
spatio-temporal
pattern
human–leopard
Bardia
National
Park,
Nepal,
from
2000
2020.
To
analyze
we
used
data
(compensation
cases
filed
park)
buffer
zone
management
office,
Trust
for
Nature
Conservation
(NTNC),
Department
Park
Wildlife
(DNPWC).
Leopard
attacks
on
livestock
are
increasing
exponentially,
3335
killed
2652
occurring
during
period.
Although
depredation
by
leopards
occurred
all
over
park,
southern
cluster
has
most
documented
damage
(64.01%).
The
eastern
northern
clusters
reported
fluctuating
dispersed
predation
events,
respectively.
Our
spatial
analysis
indicated
no
effect
topography
(slope)
leopards.
We
recorded
highest
leopard
dry
winter
season
when
nights
longer
remain
their
sheds.
carnivore
mostly
limited
its
small-sized
(95.77%)
goats,
sheep,
pigs,
whereas
large-sized
(cow
buffalo)
were
least
frequent.
Among
livestock,
goats
predated
(66.92%),
followed
pigs
(20.30%),
seasons.
escalating
BNP
thus
severe
threat
efforts
park
already
invested
substantial
amount
money
(approx.
USD
80,000)
compensating
lost
last
two
decades.
Improving
habitat
conditions
competition
inside
developing
insurance
scheme
humans,
providing
support
upgraded
sheds,
development
practical
feasible
strategies
focus
specific
animals
national
needed
conflicts
maintain
co-existence
between
wildlife
human
beings.
Wildlife Letters,
Journal Year:
2023,
Volume and Issue:
1(3), P. 119 - 130
Published: Aug. 31, 2023
Abstract
The
number
of
Amur
tigers
living
in
protected
regions
is
increasing,
and
China
has
achieved
significant
progress
this
regard,
especially
at
the
Sino‐Russia
border
region
around
Hunchun
where
most
are
found
China.
However,
there
a
need
to
increase
dispersal
further
from
as
not
large
enough
support
sustainable
survival
population.
In
winter
2012–2015
January
2022,
we
tracked
38
tiger
snow
traces
performed
line
transect
camera
trap
surveys
assess
movements
response
landscape
its
permeability
fine
scales.
Our
results
showed
that
towns,
shrubs,
forest
roads
main
factors
influencing
movements.
Furthermore,
paths
were
characterized
by
lower
tortuosity
preferred
habitats.
This
provides
information
for
small‐scale
habitat
modification
facilitate
dispersal.
Wildlife Letters,
Journal Year:
2023,
Volume and Issue:
1(1), P. 32 - 41
Published: March 1, 2023
Abstract
Monitoring
the
critically
endangered
Amur
tiger
(
Panthera
tigris
altaica
)
is
crucial
for
conservation
of
natural
environment.
This
paper
proposes
a
novel
lightweight
deep‐learning
network
detecting
tigers
in
mobile
and
resource‐constrained
environments,
like
those
using
unmanned
aerial
vehicles.
The
uses
an
anchor‐free
mechanism
with
modified
CSPNet
cross
stage
partial
(CSP)‐path
aggregation
(PAN)
structures,
which
improves
model's
feature
extraction
capabilities.
Label
assignment
strategy
also
improved
to
stabilize
model
training
process.
Additionally,
random
Mosaic
Mixup
data
augmentation
utilized
address
overfitting
issue
due
insufficient
set.
achieves
55.5%
mean
average
precision
(mAP
[0.5:0.95])
only
0.617
million
parameters
73.58
frames
per
second
on
CPU
pixels
input.
Results
show
that
accurate,
fast,
practical
detector
tiger,
serving
as
reference
wildlife
detectors
other
species.
Land,
Journal Year:
2022,
Volume and Issue:
11(3), P. 371 - 371
Published: March 3, 2022
Conservation
approaches
in
tiger
landscapes
have
focused
on
single
species
and
their
habitat.
Further,
the
limited
extent
of
existing
protected
area
network
India
lacks
representativeness,
habitat
connectivity,
integration
larger
landscape.
Our
objective
was
to
identify
sites
important
for
connected
biodiversity
potential
Greater
Panna
Landscape,
central
India.
we
aimed
set
targets
at
landscape
level
conservation
prioritize
these
within
each
district
as
specific
management/conservation
zones.
We
used
earth
observation
data
derive
an
index
potential.
Marxan
that
met
with
minimum
costs.
found
protect
50%
20%
must
be
conserved.
To
conserve
100%
high
potential,
moderate
25%
low
55%
represent
both
biodiversity,
62%
total
requires
or
restoration
intervention.
The
prioritized
zones
can
prove
significant
hierarchical
decision
making,
involving
multiple
stakeholders
landscape,
including
other
range
areas.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: May 10, 2023
Abstract
The
inbreeding
is
a
big
threat
for
the
persistence
of
genetic
diversity
in
small
and
isolated
populations
endangered
species.
homozygous
genome
could
exacerbate
depression
by
introducing
deleterious
alleles
population.
However,
purging
loads
as
they
become
homozygotes
alleviate
depression.
Amur
tiger
(
Panthera
tigris
altaica
)
typically
exists
population
living
forests
Northeast
Asia
among
most
animals
on
planet
with
great
symbolic
significance
conservation.
By
comparing
captive
individuals,
we
revealed
substantially
higher
more
extensive
wild
(F
ROH
=0.51)
than
tigers
=0.26).
We
further
found
much
less
mutational
when
compared
tigers.
frequency
loss
function
nonsynonymous
mutations
inside
regions
are
lower
that
non-ROH
both
tigers,
indicating
may
had
occurred
but
effective
In
addition,
average
was
neutral
population,
purifying
selection
contributed
to
These
findings
provide
valuable
genome-wide
evidence
support
making
future
conservation
plans
SSRN Electronic Journal,
Journal Year:
2022,
Volume and Issue:
unknown
Published: Jan. 1, 2022
Risk
assessment
of
human
activities
on
landscape
fragmentation
in
nature
reserves
can
effectively
balance
the
conflict
between
wildlife
conservation
and
development.
However,
previous
studies
had
been
unable
to
quantitatively
assess
risk
fragmentation.
Thus,
we
constructed
a
methodology
different
Landscape
Fragmentation
Composite
Index
(LFCI)
Northeast
China
Tiger
Leopard
National
Park
(NCTLNP).
First,
fitted
relationship
curve
LFCI
activity
factors
based
Generalized
Additive
Model
(GAM)
determine
impact
patterns
each
factor
LFCI.
Secondly,
identified
areas
by
location
threshold
points
analyzed
their
spatiotemporal
variation
characteristics
from
2015
2020.
The
results
show
that
Land
Use
Intensity
(LUI)
showed
an
inverted
"U"
shape,
with
Population
Density
(POPD)
"rising-flat-rising"
trend,
Traffic
Accessibility
(TA)
Industrial
Mining
Activity
(IMA)
positive
correlation
after
flat
interval.
In
addition,
found
LUI
IMA
were
widely
distributed
remained
stable
for
five
years.
But
POPD
area
was
mainly
around
settlements
expanded
6.6%
2020,
TA
strips
16.38%
2017
due
construction
G331
national
road.
And
joint
these
four
1.55
times
Our
research
provide
reference
ecological
under
other
world.
Global Ecology and Conservation,
Journal Year:
2023,
Volume and Issue:
47, P. e02657 - e02657
Published: Sept. 27, 2023
Stable
habitat
provides
sufficient
food
to
sustain
large
species
populations,
and
become
a
refuge
under
increasing
environmental
stress.
also
population
source
re-expand
hotspot
once
the
stress
decreases.
Thus,
identifying
protecting
stable
is
key
species'
long-term
persistence.
We
identified
for
critically
endangered
western
black
crested
gibbon
(Nomascus
concolor)
in
Mt.
Wuliang,
where
one
of
two
largest
populations
this
lives
in.
collected
historical
distribution
data,
modeled
potential
Wuliang
during
2000,
2010,
2020.
by
overlaying
layers
from
three
time
periods
excluded
patches
smaller
than
home
range.
Gibbon
habitats
continuously
expanded
2000
2010
(+13%),
2020
(+6%),
indicating
that
are
recovering
at
Wuliang.
was
304
km2,
mainly
located
mid-elevation
(2
100
–
2
600
m).
Nearly
all
(99%)
groups
occupied
each
period
mean
density
0.34
groups/
km2.
group
Wuliangshan
National
Nature
Reserve
(WNNR,
0.44
km2)
83%
greater
outside
WNNR
(0.24
km2).
However,
only
50%
within
WNNR.
Thirteen
require
urgent
conservation
interventions.
protected
area
ensure
persistence
these
gibbons,
but
we
still
need
involve
recovery
future.
Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Feb. 3, 2023
Abstract
Ecological
connectivity
in
a
landscape
is
one
of
the
crucial
factors
for
biodiversity
conservation.
Especially
case
large
mammals
like
top
carnivores.
Frequent
environmental
changes
have
resulted
isolated
world’s
wildlife
population
which
leads
to
increased
pace
loss.
Moreover,
Increased
human
inhabitants
and
shift
towards
edge
forests
provides
animals
with
very
less
or
no
scope
living
wilderness.
As
result,
ecological
analysis
planning
are
integral
part
another.
This
paper
reviews
available
techniques
quantifying
dispersal
landscape.
A
critical
thorough
review
theories
wide
range
methods,
tools
corridor
conservation
scenario
done
this
paper.
It
also
compiles
various
approach
utilized
globally.
An
exhaustive
discussion
on
modeling
such
as
graph
theoretic
approaches
(least
cost
path
analysis,
network
etc),
circuit
approaches,
agent
based
models
machine
learning
compiled
improved
decision
making.