Plant Biology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 28, 2024
Abstract
As
climate
change
thrives,
and
the
frequency
of
intense
droughts
is
affecting
many
forested
regions,
a
mechanistic
understanding
factors
conferring
drought
tolerance
in
trees
increasingly
important.
However,
studies
linking
observed
growth
reduction
to
traits
are
still
rare.
We
compared
median
anomalies
16
native
tree
species,
gathered
across
network
study
plots
Bavaria,
with
mean
species‐specific
turgor
loss
point
(π
tlp
)
measured
at
five
locations
Central
Europe
π
explained
37%
response
between
2018
2020
pre‐drought
period
2006
2017
sites.
constitutes
an
important
leaf
trait
influences
species
during
extraordinary
dry
periods.
change‐induced
intensify,
drought‐tolerant
leaves
will
be
less
vulnerable
reductions.
provides
useful
indicator
for
selecting
adapt
forest
management
systems
change.
Journal of Environmental Management,
Journal Year:
2023,
Volume and Issue:
345, P. 118728 - 118728
Published: Aug. 1, 2023
Environmental
and
socio-economic
developments
induce
land-use
changes
with
potentially
negative
impacts
on
human
well-being.
To
counteract
undesired
developments,
a
profound
understanding
of
the
complex
relationships
between
drivers,
land
use,
ecosystem
services
is
needed.
Yet,
national
studies
examining
extended
time
periods
are
still
rare.
Based
Special
Report
management
climate
change
by
Austrian
Panel
Climate
Change
(APCC),
we
use
Driver-Pressure-State-Impact-Response
(DPSIR)
framework
to
(1)
identify
main
drivers
change,
(2)
describe
past
future
in
Austria
1950
2100,
(3)
report
related
services,
(4)
discuss
responses.
Our
findings
indicate
that
(e.g.,
economic
growth,
political
systems,
technological
developments)
have
influenced
most.
The
intensification
agricultural
urban
sprawl
primarily
led
declining
lowlands.
In
mountain
regions,
abandonment
grassland
has
prompted
shift
from
provisioning
regulating
services.
However,
simulations
accelerating
will
surpass
significance
towards
end
this
century,
particularly
intensively
used
areas.
Although
change-induced
remain
uncertain,
it
can
be
expected
range
options
restricted
future.
Consequently,
policymaking
should
prioritize
development
integrated
planning
safeguard
accounting
for
environmental
uncertainties.
Journal of Ecology,
Journal Year:
2024,
Volume and Issue:
112(8), P. 1787 - 1803
Published: July 12, 2024
Abstract
The
frequency
of
consecutive
drought
years
is
predicted
to
increase
due
climate
change.
These
droughts
have
strong
negative
impacts
on
forest
ecosystems.
Mixing
tree
species
proposed
the
resistance
and
resilience
communities.
However,
this
promising
diversity
effect
has
not
yet
been
investigated
under
extreme
conditions
in
context
complementary
mycorrhizal
associations
their
potential
role
improving
water
uptake.
Here,
we
investigate
whether
promotes
growth
responses
are
modulated
by
associations.
We
used
inventory
data
(2015–2021)
from
a
young
experiment
Germany,
manipulating
richness
(1,
2
4
species)
type
(communities
containing
arbuscular
[AM]
or
ectomycorrhizal
[EM]
species,
both).
For
all
communities,
calculated
basal
area
increment
periods
before,
during
after
concepts
quantify
drought.
found
declines
2018–2020
for
most
Contrary
our
hypothesis,
did
find
that
per
se
can
buffer
growth.
while
EM
decreased
with
richness,
they
increased
AM
communities
comprising
both
types.
highlight
among
various
mixtures
only
those
mixed
types
outperformed
respective
monocultures
Furthermore,
drought,
community
tends
segregate
into
‘winner’
‘loser’
terms
diversity,
indicating
possible
intensification
competition.
While
cannot
disentangle
underlying
mechanisms
clarify
mycorrhiza
findings
suggest
within
could
help
safeguard
forests
against
increasing
frequency.
Synthesis
.
Drought
depend
association
diverse
holds
promise
restoration
face
Journal of Ecology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 17, 2025
Abstract
Recent
extreme
drought
events
in
Central
Europe
have
caused
widespread
forest
dieback
with
detrimental
effects
on
functioning
and
carbon
water
balance.
This
impact
has
been
notable
European
beech
(
Fagus
sylvatica
L.),
particularly
at
the
core
of
its
distribution,
causing
concern
among
stakeholders
questions
about
resilience
capacity
trees.
The
objective
this
study
is
to
investigate
physiological
processes
linked
constraints
involved
cambial
growth
drought.
We
selected
56
trees
distributed
four
plots
north‐eastern
France
different
soil
deficits
characterized
retrospectively
by
a
balance
model.
Functional
traits
including
tree
ring
width,
wood
anatomical
stable
isotopes
(e.g.
δ
13
C
18
O)
were
measured
assess
effect
recent
recurrent
2015,
2018–2020,
2022.
Decreased
increased
O
intrinsic
use
efficiency
(iWUE)
observed
due
shortage,
whereas
xylem
vessel
size
theoretical
specific
hydraulic
conductivity
K
th
)
did
not
show
obvious
changes.
Vessel
density
was
negatively
correlated
annual
width
index
highly
sensitive
C,
iWUE
significantly
related
index.
plot
that
experienced
most
severe
intensity
2018–2020
showed
significant
decrease
resistance
compared
during
2015
event.
Surprisingly,
associated
isotopic
traits.
Synthesis
.
Our
results
demonstrate
structure
responds
adjusting
radial
rings
relatively
diameter.
also
highlights
consecutive
or
reducing
resilience,
sites
higher
intensity.
Tree
does
seem
involve
changes
would
promote
better
cope
future
shortages.
