Mapping the Paths of Giants: A GIS‐Based Habitat Connectivity Model for Forest Elephant Conservation in a West African Forest Block
African Journal of Ecology,
Год журнала:
2025,
Номер
63(2)
Опубликована: Фев. 25, 2025
ABSTRACT
The
long‐term
survival
of
African
forest
elephants
(
Loxodonta
cyclotis
)
in
the
Bia
Goaso
Forest
Block
(BGFB)
is
threatened
due
to
a
lack
spatially
explicit
data
on
their
movement
patterns
and
corridors
guide
conservation
actions.
aim
this
study
model
potential
connectivity
between
core
habitats
BGFB.
First,
seven
key
variables
influencing
elephants’
choice
were
mapped
as
rasters
ranked
using
analytical
hierarchy
process.
Suitability
indices
then
assigned
based
relative
influence
corridor
choice.
A
total
resistance
raster
was
calculated
weighted
sum
method.
Finally,
Linkage
Mapper
used
map
pairs
protected
areas.
Nine
identified,
with
Euclidean
distances
ranging
from
3.89
13.50
km,
cost‐weighted
13.20
34.75
km
least‐cost
path
4.10
16.23
km.
Game
Production–Krokosua
Hills
NP–Bia
North
corridors,
centrality
scores
19.16
Amps
13.14
Amps,
respectively,
identified
most
critical
maintaining
connectivity.
Krokosua,
Tano,
Ayum,
Bonkoni
Bosam
Bepo
reserves,
36
69
areas
for
This
result
provides
first
comprehensive
geospatial
dataset
habitat
BGFB,
which
will
inform
efforts
effective
management
restore
population
support
elephant
conservation.
Язык: Английский
Assessing climate change threats to biodiversity and protected areas of Iran
European Journal of Wildlife Research,
Год журнала:
2024,
Номер
70(5)
Опубликована: Авг. 27, 2024
Abstract
Our
research
endeavors
to
evaluate
the
precise
ramifications
of
climate
change
on
Iran’s
protected
regions,
utilizing
species
distribution
modeling
anticipate
effects
394
bird
species,
157
plant
72
reptiles,
and
20
mammals
across
two
scenarios:
SSP245
SSP585
in
2070.
Subsequently,
we
employed
binary
maps
determine
extent
overlap
between
125
areas,
27
wildlife
refuges,
15
national
parks
distribution,
quantifying
proportion
these
areas
encompassed
by
their
distribution.
We
found
that
under
scenario,
174
could
experience
a
319%
expansion
suitable
habitats,
while
220
decline
57.1%.
Among
plants,
16
are
projected
grow
40.3%,
whereas
141
may
decrease
68.8%.
Reptiles
an
increase
279.1%
24
with
66.6%
48
witness
significant
147.3%
5
but
71.8%
species.
Also,
parks,
coverage
declines
from
32.2%
(current)
19.9%,
plants
24.2
13.2%,
reptiles
18.4
6.8%,
17.7
10%.
In
birds
9.7
5.7%,
10.9
4.6%,
12.9
2.5%,
7.4
4.3%.
drop
29.3
20.4%,
27.7
12.5%,
18.7
9.7%,
12.1%.
The
low
underscores
importance
re-evaluating
potentially
expanding
ensure
they
encompass
broader
range
particularly
those
underrepresented,
enhance
conservation
biodiversity
amidst
challenges
posed
change.
Язык: Английский