Historians
and
paleoclimatologists
have
long
studied
the
connection
between
ecoclimatic
changes
empire
growth,
transformation,
decline,
but
striking
cases
remain
rare.
Here,
we
introduce
a
tree-ring
chronology
from
southern
China
to
reconstruct
in
April-to-November
water
balance
of
middle
reaches
Yangtze
River
over
last
464
years.
The
reconstruction
supports
quantitative
assessment
spatiotemporal
structure
late
Ming
megadrought
potential
effects
on
subsequent
dynastic
transitions.
Our
results
indicate
that
1625
–
1644
CE
occurred
both
northern
parts
East
Asian
monsoon
region
China.
However,
variations
onset,
duration,
magnitude
this
event
differ
regions.
combination
factors
such
as
Pacific
sea
surface
temperature
anomalies,
weakened
solar
activity,
large-scale
volcanic
eruptions
may
contributed
occurrence
megadrought.
These
are
also
identified
key
drivers
interannual
decadal
fluctuations
drought
River.
provides
an
historical
context
for
development
adaptive
measures
mitigate
future
impacts
region.
across
north-to-south
China,
lasting
1625-1644
CE,
was
influenced
by
eruptions,
according
River's
using
chronology.
Biology,
Journal Year:
2024,
Volume and Issue:
13(8), P. 628 - 628
Published: Aug. 17, 2024
Pinus
pinea
is
an
important
Mediterranean
species
due
to
its
adaptability
and
tolerance
aridity
high-quality
pine
nuts.
Different
forest
types
located
in
native
non-native
environments
provide
the
opportunity
perform
comparative
studies
on
species’
response
climate
change.
The
aims
of
this
study
were
elucidate
growth
patterns
growing
exotic
habitats
analyze
climatic
fluctuations,
particularly
drought,
both
geographical
contexts.
Understanding
stone
(Pinus
pinea)
responses
variability
by
comparing
natural
stands
plantations
may
useful
information
plan
adequate
management
under
By
doing
so,
we
enhance
understanding
P.
pinea’s
practical
approaches
sustainable
management.
In
study,
reconstructed
compared
stem
radial
seven
stands,
two
southern
Spain
five
central–southern
Chile,
different
conditions.
We
quantified
relationships
between
variables
(total
rainfall,
mean
temperature,
SPEI
drought
index).
Growth
was
positively
correlated
with
autumn
rainfall
autumn–winter
stands.
also
enhanced
high
autumn-to-spring
driest
Chilean
plantation,
whereas
wettest
coolest
such
correlation
found
winter
summer.
A
negative
impact
summer
temperature
only
one
a
Spanish
site.
tree-ring
width
indices
showed
within
countries.
Overall,
lower
sensitivity
than
Therefore,
be
assist
mitigating
