Geographic patterns and climatic drivers of phylogenetic structure of liverworts along a long elevational gradient in the central Himalaya
Journal of Systematics and Evolution,
Год журнала:
2024,
Номер
63(1), С. 62 - 71
Опубликована: Авг. 21, 2024
Abstract
For
clades
originating
in
warm
climates,
the
tropical
niche
conservatism
hypothesis
predicts
that
current
biological
assemblages
colder
or
drier
climates
are
expected
to
have
lower
phylogenetic
diversity,
and
species
be
more
closely
related
each
other
(i.e.,
higher
clustering).
Liverworts
one
of
oldest
extant
land
plants.
They
originated
about
500
Ma
during
a
(“greenhouse”)
period
experienced
multiple
major
cycles
cold
periods.
Here,
I
test
using
liverwort
distributed
along
an
elevational
gradient
crossing
5000
m
elevation
central
Himalaya.
found
that,
general,
diversity
dispersion
decrease
with
increasing
thus
decreasing
temperature,
which
is
consistent
hypothesis.
Phylogenetic
decreases
monotonically,
but
triphasic
(zig‐zag)
pattern,
generally
pattern
angiosperms
polypod
ferns
same
gradient.
Temperature‐related
variables
explained
approximately
amount
variation
as
did
precipitation‐related
variables,
although
mean
annual
temperature
9%−15%
than
precipitation.
Climate
extreme
climate
seasonality
variables.
Язык: Английский
Unraveling the Impact of Environmental Factors and Evolutionary History on Species Richness Patterns of the Genus Sorbus at Global Level
Plants,
Год журнала:
2025,
Номер
14(3), С. 338 - 338
Опубликована: Янв. 23, 2025
Understanding
the
drivers
of
species
richness
patterns
is
a
major
goal
ecology
and
evolutionary
biology,
vary
across
regions
taxa.
Here,
we
assessed
influence
environmental
factors
history
on
pattern
in
genus
Sorbus
(110
species).
We
mapped
global
at
spatial
resolution
200
×
km,
using
10,652
specimen
records.
used
stepwise
regression
to
assess
relationship
between
23
predictors
estimated
diversification
rate
based
chloroplast
genome
data.
The
effects
were
explained
by
adjusted
R2,
inferred
differences
rates.
found
that
was
highest
Hengduan
Mountains
(HDM),
which
probably
center
diversity.
Among
selected
predictors,
integrated
model
including
all
had
largest
explanatory
power
for
richness.
determinants
show
regional
differences.
On
continental
scale,
energy
water
availability
become
main
driving
factors.
In
contrast,
climate
seasonality
primary
factor
HDM.
results
showed
no
significant
HDM
non-HDM,
suggesting
may
have
limited
impact
conclude
play
an
important
role
shaping
richness,
while
rates
lesser
impact.
Язык: Английский
Provincial-island endemism adds to our understanding of the geographical distribution of species
Peer Community In Ecology,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 6, 2025
Язык: Английский
Patterns and drivers of taxonomic and phylogenetic endemism in regional fern floras across the world
Biological Conservation,
Год журнала:
2024,
Номер
291, С. 110506 - 110506
Опубликована: Фев. 20, 2024
Язык: Английский
Meeting Linnean, Wallacean, and Darwinian shortfalls in global biodiversity hotspots: A model study from the Indian Himalayan Region
Ecological Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 3, 2024
Язык: Английский
Patterns of Species Richness and Its Endemism of Beetles in the Beijing–Tianjin–Hebei Region of China
Diversity,
Год журнала:
2024,
Номер
16(8), С. 496 - 496
Опубликована: Авг. 14, 2024
The
Beijing–Tianjin–Hebei
region
lies
between
the
Mongolia-Xinjiang
Zoogeographic
Region
and
Central
China
in
China,
harboring
relatively
rich
biodiversity.
This
study
specifically
examined
species
diversity,
richness
endemic
areas
of
beetles
this
area.
By
analyzing
5965
detailed
distribution
records
2047
beetle
region,
maps
were
created
with
a
grid
size
0.5°.
Additionally,
two
methods,
parsimony
analysis
endemism
(PAE)
endemicity
(EA)
applied
to
detect
(AOEs)
different
sizes
(0.1°,
0.25°
0.5°),
resulting
identification
three
AOEs
southern
mountainous
Taihang
Mountains,
Yanshan
Xiaowutai
Mountains.
It
also
verified
that
are
consistent
hypothesis
predominantly
located
mountain
ranges,
as
proposed
by
previous
related
studies.
These
findings
highlight
importance
complex
topography
stable
climate
shaping
conserving
Язык: Английский
Phylogenetic structure of liverwort assemblages along an elevational gradient in the tropical Andes: geographic patterns and climatic drivers
Ecography,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 30, 2024
Liverworts
are
an
ancient
plant
lineage
that
occurs
worldwide
with
the
highest
species
richness
in
cool
and
humid
habitats
such
as
tropical
montane
temperate
rain
forests.
It
has
been
proposed
liverworts
originated
under
climatic
conditions
have
later
expanded
into
more
conditions,
but
how
this
is
reflected
their
phylogenetic
diversity
along
strong
gradients
associated
elevation
remains
unexplored.
We
studied
of
regional
liverwort
floras
elevational
gradient
Andes,
comparing
indices
emphasize
deeper
shallower
relationships,
relating
these
to
temperature‐
precipitation‐related
variables,
well
extremes
seasonality.
found
whereas
peaks
at
around
2000
m
a.s.l.,
richness‐corrected
increases
elevation,
standardized
effect
size
2500–4000
a.s.l.
This
accordance
origin
followed
by
recent
diversification
warmer
climates
lower
elevations.
further
temperature‐related
parameters
be
stronger
predictors
than
a
influence
interpret
patterns
reflecting
physiological
challenges
adapting
low
temperatures
rare
occurrences
extreme
events.
All
reveals
signal
evolutionary
dynamics
linked
its
adaptations
conditions.
The
age
group
poikilohydric
nature,
i.e.
inability
regulate
water
loss,
lead
contrast
those
vascular
plants,
allowing
for
discerning
generalities
independent
physiology
age.
Язык: Английский
Global patterns of taxonomic and phylogenetic endemism in liverwort assemblages
Plant Diversity,
Год журнала:
2024,
Номер
47(1), С. 82 - 88
Опубликована: Авг. 27, 2024
Exploring
the
worldwide
patterns
of
endemism
and
processes
that
lead
to
formation
high-endemism
centers
is
crucial
in
biogeography.
This
study
examines
geographic
distribution
ecological
influences
on
liverworts
across
390
regions
worldwide.
We
assess
phylogenetic
relative
relation
eleven
environmental
factors,
which
represent
current
Quaternary
climate
variations,
as
well
topographic
heterogeneity.
Areas
with
higher
tend
have
temperatures,
precipitation,
heterogeneity,
but
lower
temperature
seasonality
lesser
impacts
from
changes.
Regions
exhibiting
notably
high
are
predominantly
found
tropical
Asia,
Madagascar,
eastern
Australia,
Andes,
while
those
low
generally
temperate
Eurasia
North
America,
parts
Africa,
South
America.
Centers
neo-endemism
mainly
southern
whereas
paleo-endemism
New
Zealand.
Environment
variability
a
more
significant
predictor
than
conditions,
themselves
predictive
variables
related
Nevertheless,
these
three
types
explanatory
combined
explain
only
about
one-third
variance
endemism.
Язык: Английский