Barriers and corridors: Assessment of gene flow and movement among red panda populations in eastern Himalayas
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
931, P. 172523 - 172523
Published: April 22, 2024
Language: Английский
Elevational and climatic gradients shape the genetic structure of a typical Tibetan loach Triplophysa stenura (Cypriniformes: Nemacheilidae)
Zheng Gong,
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Pengcheng Lin,
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Lin Chen
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et al.
Global Ecology and Conservation,
Journal Year:
2024,
Volume and Issue:
51, P. e02920 - e02920
Published: March 27, 2024
Species
resilience
to
diversified
environments
largely
depends
on
their
genetic
diversity.
Disentangling
the
respective
roles
of
multiple
landscape
factors
population
variation
could
help
us
interpret
adaptive
mechanism
species
environments,
which
is
a
central
issue
in
evolutionary
biology
and
biodiversity
conservation.
Herein,
typical
Tibetan
loach
Triplophysa
stenura
was
selected
as
study
object
perform
genetics
analyses
inferred
from
mitochondrial
cytochrome
b
gene
sequences.
Based
extensive
sample
collection,
total
377
individuals
20
sites
Yarlung
Tsangpo
River
were
included
results
diversity
assessment
demonstrated
relatively
high
haplotype
low
nucleotide
for
most
geographic
populations.
Genetic
pattern
analysis
proved
that
both
greater
higher,
colder
drier
areas,
consistent
with
central-marginal
hypothesis
this
plateau
hinterland-originated
species.
Degree
differentiation
among
populations
varied
level
extremely
level,
coming
mainly
within
Elevational
climatic
divergences
detected
be
principally
responsible
formation
structure
species,
coinciding
isolation-by-environment
model.
On
basis,
we
put
forward
some
applicable
proposals
marginal
elevations
deserved
more
attentions
designing
conservation
scheme
those
genetically
differentiated
should
treated
separate
units.
Under
context
global
climate
change
intensifying
human
activity,
sound
resources
monitoring
along
elevational
or
gradient
pivotal
develop
future
interventions.
Language: Английский
The Protection and Management of Wapiti in Desert Oases: Bare Land Poses a Limitation to Wapiti Conservation
Fujie Qiao,
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Hairong Du,
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Zhang Xia
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et al.
Biology,
Journal Year:
2024,
Volume and Issue:
13(9), P. 737 - 737
Published: Sept. 20, 2024
The
Helan
Mountains,
situated
in
the
heart
of
desert,
act
as
a
dividing
line
between
China’s
arid
and
semi-arid
zones.
Often
referred
to
“desert
oasis”,
they
create
an
ecological
island
with
uniquely
distinctive
geographical
location,
making
this
area
focal
point
contemporary
research.
Ungulates
play
critical
role
ecosystem.
Alashan
wapiti
(Cervus
canadensis
alashanicus),
isolated
population
smallest
canadensis)
subspecies,
is
found
exclusively
within
Mountains
Nature
Reserve.
conservation
fraught
challenges,
particularly
during
winter,
harshest
season
for
northern
ungulates.
Winter
habitats
are
crucial
ensuring
stability.
Therefore,
we
used
certain
methods,
such
factor
screening
model
parameter
optimization
assess
habitat
suitability
using
multi-scale
species
distribution
models.
optimized
results
show
that
suitable
overlap
areas
high
vegetation
coverage
covering
just
588.32
km2,
which
less
than
quarter
reserve’s
total
area.
bare
land
winter
NDVI
two
primary
factors
influencing
suitability,
other
having
minimal
impact,
underscoring
importance
food
resources
wapiti.
limited
availability
these
poses
significant
challenges.
Our
findings
provide
more
precise
foundation
targeted
protection
restoration
efforts.
We
recommend
enhancing
resources,
effectively
conserving
vegetated
areas,
preventing
desertification.
Language: Английский