Geological Society London Special Publications,
Год журнала:
2024,
Номер
549(1)
Опубликована: Апрель 17, 2024
The
current
status
of
the
Sino-Himalayan
region
as
a
biodiversity
hotspot,
particularly
for
flora,
has
often
been
linked
to
uplift
Sino-Tibetan
Plateau
and
Himalayan
Hengduan
Mountains.
However,
relationship
between
topological
development
onset
diversification
is
yet
be
confirmed.
Here,
we
apply
Bayesian
phylodynamic
methods
large
phylogeny
angiosperm
species
from
Sino-Himalayas
infer
changes
in
their
rates
evolution
through
time.
We
find
strong
evidence
high
Paleocene,
late
Miocene
Pliocene,
negative
Quaternary
driven
by
an
increase
extinction
rates.
Our
analyses
suggest
that
global
palaeotemperatures
are
unlikely
driving
force
these
rate
shifts.
Instead,
collision
Indian
continent
with
Eurasia
coeval
topographic
change
Sino-Himalayas,
Grassland
Expansion
impact
Pleistocene
glaciations
on
this
altitudinally
variable
may
have
also
demonstrate
influence
choice
times
shape
inferred
piecewise-constant
trajectories
phylodynamics,
advocate
use
prior
information
when
making
decision.
Science,
Год журнала:
2020,
Номер
369(6503), С. 578 - 581
Опубликована: Июль 30, 2020
Origins
of
an
alpine
flora
The
evolution
high
mountain
floras
is
strongly
influenced
by
tectonic
and
climatic
history.
Ding
et
al.
document
the
timing,
tempo,
mode
which
world's
most
species-rich
flora,
that
Tibet-Himalaya-Hengduan
region,
was
assembled.
Alpine
assemblages
in
region
are
older
than
previously
thought,
with
lineages
tracing
their
ancestry
to
early
Oligocene—older
any
other
modern
system.
species
diversified
faster
during
periods
orogeny
intensification
Asian
monsoon,
Hengduan
Mountains—the
area
this
region—played
a
key
biogeographic
role
as
location
earliest
pulse
diversification
Oligocene.
Science
,
issue
p.
578
National Science Review,
Год журнала:
2021,
Номер
unknown
Опубликована: Фев. 19, 2021
Biodiversity
science
in
China
has
seen
rapid
growth
over
recent
decades,
ranging
from
baseline
biodiversity
studies
to
understanding
the
processes
behind
evolution
across
dynamic
regions
such
as
Qinghai-Tibetan
Plateau.
We
review
research,
including
species
catalogues;
monitoring;
origins,
distributions,
maintenance
and
threats
biodiversity;
biodiversity-related
ecosystem
function
services;
ecosystems'
responses
global
change.
Next,
we
identify
priority
topics
offer
suggestions
priorities
for
future
research
China.
These
include
(i)
ecology
biogeography
of
Plateau
surrounding
mountains,
that
subtropical
tropical
forests
China;
(ii)
marine
inland
aquatic
(iii)
effective
conservation
management
maintain
synergies
between
socio-economic
development
fulfil
China's
vision
becoming
an
ecological
civilization.
In
addition,
propose
three
strategies:
translate
advanced
into
practice
conservation;
strengthen
capacity
building
application
technologies,
high-throughput
sequencing,
genomics
remote
sensing;
expand
international
collaborations.
Based
on
progress
is
well
positioned
become
a
leader
near
future.
New Phytologist,
Год журнала:
2022,
Номер
234(2), С. 392 - 404
Опубликована: Янв. 12, 2022
Summary
The
Qinghai–Tibet
Plateau
(QTP)
sensu
lato
(
sl
),
comprising
the
platform,
Himalaya
and
Hengduan
Mountains,
is
characterized
by
a
large
number
of
endemic
plant
species.
This
evolutionary
cradle
may
have
arisen
from
explosive
species
diversification
because
geographic
isolation.
However,
gene
flow
has
been
widely
detected
during
speciation
processes
all
groups
examined,
suggesting
that
natural
selection
also
played
an
important
role
divergence
in
this
region.
In
addition,
hybrids
recovered
almost
species‐rich
genera.
suggests
numerous
region
are
still
‘on
pathway
to
complete
reproductive
isolation
(RI)’.
Such
could
directly
develop
into
new
through
hybrid
polyploidization
homoploid
(HHS).
HHS
take
place
more
easily
than
previously
thought
alternate
inheritance
alleles
parents
at
multiple
RI
loci.
Therefore,
isolation,
hybridization
together
promoted
genera
on
QTP
.
We
emphasize
need
for
identification
functional
analysis
major
genes
speciation,
especially
encourage
investigations
parallel
adaptive
causing
across
different
lineages
within
similar
but
specific
habitats
Science,
Год журнала:
2022,
Номер
378(6624), С. 1074 - 1079
Опубликована: Дек. 8, 2022
The
uplift
of
the
Tibet
Plateau
(TP)
during
Miocene
is
crucial
to
understanding
evolution
Asian
monsoon
regimes
and
alpine
biodiversity.
However,
northern
(NTP)
remains
poorly
investigated.
We
use
pollen
records
montane
conifers
(Tsuga,
Podocarpus,
Abies,
Picea)
as
a
new
paleoaltimetry
construct
two
parallel
midrange
paleoelevation
sequences
in
NTP
at
1332
±
189
m
433
m,
respectively,
Middle
[~15
million
years
ago
(Ma)].
Both
midranges
increased
rapidly
3685
87
Late
(~11
Ma)
east,
3589
62
~7
Ma
west.
Our
estimated
rises
east
west
parts
15
7
Ma,
together
with
data
from
other
TP
regions,
indicate
that
entire
plateau
may
have
reached
high
elevation
close
today,
consequent
impacts
on
atmospheric
precipitation
Trends in Ecology & Evolution,
Год журнала:
2022,
Номер
38(5), С. 412 - 423
Опубликована: Дек. 20, 2022
The
~400
million
specimens
deposited
across
~3000
herbaria
are
essential
for:
(i)
understanding
where
plants
have
lived
in
the
past,
(ii)
forecasting
they
may
live
future,
and
(iii)
delineating
their
conservation
status.
An
open
access
'global
metaherbarium'
is
emerging
as
these
digitized,
mobilized,
interlinked
online.
This
virtual
biodiversity
resource
attracting
new
users
who
accelerating
traditional
applications
of
generating
basic
applied
scientific
innovations,
including
e-monographs
floras
produced
by
diverse,
interdisciplinary,
inclusive
teams;
robust
machine-learning
algorithms
for
species
identification
phenotyping;
collection
synthesis
ecological
genomic
trait
data
at
large
spatiotemporal
phylogenetic
scales;
exhibitions
installations
that
convey
beauty
value
addressing
broader
societal
issues.
Journal of Systematics and Evolution,
Год журнала:
2021,
Номер
59(6), С. 1142 - 1158
Опубликована: Авг. 25, 2021
Abstract
The
Qinghai–Tibet
Plateau
(QTP)
sensu
lato
(
sl
)
houses
an
exceptional
species
diversity
in
Asia.
To
develop
a
comprehensive
understanding
of
this
fascinating
region,
we
reviewed
recent
progress
from
biogeographic,
paleogeographic,
paleontological
and
genomic
research
both
plants
animals
the
QTP
.
Numerous
studies
have
been
conducted
to
examine
whether
uplift
triggered
production
rich
there,
Quaternary
“unified
ice
sheet”
eliminated
on
central
plateau
how
high‐altitude
developed
extreme
environment
adaptations.
Major
disputes
arose
about
first
issue,
mainly
different
circumscriptions
related
uplift,
inaccurate
dating
molecular
phylogenetic
trees,
non‐causal
correlations
between
diversification.
is
spatially
temporally
heterogeneous,
abundant
fossils
reported
recently
similarly
support
such
asynchronous
upheaval
model
across
entire
region.
Available
phylogeographic
alpine
suggested
their
glacial
refugia
,
rejecting
unified
sheet
during
Last
Glacial
Maximum.
Genomic
evidence
limited
number
has
identified
numerous
candidate
genes
for
adaptation.
In
future,
more
should
be
focused
speciation
adaptation
mechanisms
based
cutting‐edge
methods.
Global Ecology and Biogeography,
Год журнала:
2021,
Номер
30(6), С. 1218 - 1231
Опубликована: Март 31, 2021
Abstract
Aim
Alpine
ecosystems
differ
in
area,
macroenvironment
and
biogeographical
history
across
the
Earth,
but
relationship
between
these
factors
plant
species
richness
is
still
unexplored.
Here,
we
assess
global
patterns
of
alpine
their
association
with
environmental,
geographical
historical
at
regional
community
scales.
Location
Global.
Time
period
Data
collected
1923
2019.
Major
taxa
studied
Vascular
plants.
Methods
We
used
a
dataset
representative
vegetation,
consisting
8,928
plots
sampled
within
26
ecoregions
six
realms,
to
estimate
using
sample‐based
rarefaction
extrapolation.
Then,
evaluated
latitudinal
generalized
additive
models.
Using
predictors
from
raster
layers,
modelled
mixed‐effect
modelling
framework.
Results
The
pattern
peaked
around
equator
mid‐latitudes,
response
current
past
isolation
variation
soil
pH
among
regions.
At
level,
mid‐latitudes
Northern
Hemisphere,
despite
considerable
within‐region
variation.
Community
was
related
macroclimate
predictors,
strong
effects
other
spatially
structured
factors.
Main
conclusions
In
contrast
well‐known
diversity
gradient,
some
temperate
regions
Eurasia
comparable
that
hyperdiverse
tropical
ecosystems,
such
as
páramo.
putative
hotspot
explained
mainly
by
extent
area
glacial
history,
whereas
depends
on
local
environmental
Our
results
highlight
hotspots
indicating
plants
linked
idiosyncrasies
prevalence
rather
than
macroclimatic
gradients.
National Science Review,
Год журнала:
2020,
Номер
8(9)
Опубликована: Окт. 20, 2020
The
Himalaya
are
among
the
youngest
and
highest
mountains
in
world,
but
exact
timing
of
their
uplift
origins
biodiversity
still
debate.
Himalayan
region
is
a
relatively
small
area
with
exceptional
diversity
endemism.
One
common
hypothesis
to
explain
rich
montane
uplift-driven
diversification-that
orogeny
creates
conditions
favoring
rapid
