Fading into Obscurity: Impact of Climate Change on Suitable Habitats for Two Lesser-Known Giant Flying Squirrels (Sciuridae: Petaurista) in Northeastern India
Biology,
Journal Year:
2025,
Volume and Issue:
14(3), P. 242 - 242
Published: Feb. 27, 2025
In
recent
years,
global
warming
has
become
a
major
driver
of
biodiversity
loss,
significantly
impacting
various
vertebrate
species,
including
mammals.
Consequently,
numerous
smaller
species
face
extinction
risks
due
to
anthropogenic
factors
as
well
inadequate
assessments
and
conservation
planning.
Thus,
this
study
focuses
on
two
recently
described
endemic
giant
flying
squirrel
under
the
Petaurista
genus—Petaurista
mishmiensis
mechukaensis—found
in
Arunachal
Pradesh,
India.
Using
an
ensemble
distribution
model
(SDM),
research
delineates
suitable
habitats
for
these
lesser-known
evaluates
effects
climate
change
habitat
fragmentation
areas.
This
analysis
aims
inform
comprehensive
management
plan
their
conservation.
The
identified
patches
extending
beyond
current
IUCN-designated
ranges
Pradesh.
Under
present
conditions,
P.
largest
predicted
area
(9213
sq.
km),
followed
by
mechukaensis
(6754
km).
However,
future
projections
reveal
alarming
losses
ranging
from
13.45%
55.86%
across
area.
also
highlights
severe
throughout
state
viable
are
drastically
reduced
size,
resulting
many
being
completely
lost
remaining
areas
closer
together.
experiences
significant
disintegration,
smaller,
more
dispersed
within
Hence,
address
challenges,
recommends
several
actions
such
genetic
confirm
evolutionary
relationships,
evaluations
corridor
connectivity,
field
studies.
Furthermore,
establishing
joint
forest
committees
involving
local
communities,
personnel,
defense
forces,
naturalists,
scientists
encouraged.
Ultimately,
provides
critical
insights
guiding
studies
Pradesh’s
vast
landscapes
supports
development
detailed
plans
protect
squirrels.
Language: Английский
Eco-Spatial Modeling of Two Giant Flying Squirrels (Sciuridae: Petaurista): Navigating Climate Resilience and Conservation Roadmap in the Eastern Himalaya and Indo-Burma Biodiversity Hotspots
Life,
Journal Year:
2025,
Volume and Issue:
15(4), P. 589 - 589
Published: April 3, 2025
Global
warming
and
anthropogenic
threats
are
significant
drivers
of
biodiversity
loss,
particularly
impacting
smaller
mammalian
species.
Hence,
this
study
assessed
two
overlooked
giant
flying
squirrel
species,
Petaurista
magnificus
nobilis,
distributed
across
the
transboundary
regions
Eastern
Himalayas
Indo-Burma
hotspots.
Utilizing
a
maximum
entropy
(MaxEnt)
species
distribution
model,
delineated
suitable
habitats
within
IUCN-defined
extent
both
based
on
modeling
approaches:
habitat–climate
model
(HCM)
climate-only
(COM).
The
models
identified
habitat
coverage
only
3.92%
3.75%
(COM)
for
P.
14.17%
10.04%
nobilis.
However,
as
HCM
integrates
environmental
variables,
providing
more
holistic
assessment,
it
revealed
limited
biological
corridor
connectivity
Furthermore,
future
projections
indicate
loss
up
to
81.90%
89.88%
nobilis
due
climate
change,
alongside
severe
fragmentation,
leading
disappearance
viable
patches.
These
remaining
patches
expected
shrink
become
increasingly
isolated
in
change.
centroid
shift
analyses
predict
northwestward
westward
under
different
scenarios.
address
these
conservation
challenges,
underscores
necessity
extensive
field
surveys,
genetic
assessments,
evaluations,
establishment
frameworks
formulate
an
evidence-based
management
strategy
Language: Английский