Plant-Environment Interactions,
Год журнала:
2023,
Номер
4(4), С. 175 - 187
Опубликована: Июнь 30, 2023
Drought
and
flooding
occur
at
opposite
ends
of
the
soil
moisture
spectrum
yet
their
resulting
stress
responses
in
plants
share
many
similarities.
limits
root
water
uptake
to
which
respond
with
stomatal
closure
reduced
leaf
gas
exchange.
Flooding
metabolism
due
oxygen
deficiency,
also
As
drought
can
consecutively
same
system
plant
similar
mechanisms,
a
single
theoretical
framework
that
integrates
over
continuum
conditions
from
is
attractive.
Based
on
review
recent
literature,
we
integrated
main
eco-physiological
mechanisms
focus
transport,
dynamics,
We
used
theory
soil-plant-atmosphere
modeling
as
"backbone"
for
our
framework,
subsequently
incorporated
interactions
between
processes
regulate
status,
abscisic
acid
ethylene
levels,
acclimation
strategies
response
drought,
waterlogging,
complete
submergence.
Our
provides
basis
development
mathematical
models
describe
flooding.
Ecology Letters,
Год журнала:
2023,
Номер
26(6), С. 1005 - 1020
Опубликована: Апрель 20, 2023
Abstract
Life
on
Earth
depends
the
conversion
of
solar
energy
to
chemical
by
plants
through
photosynthesis.
A
fundamental
challenge
in
optimizing
photosynthesis
is
adjust
leaf
angles
efficiently
use
intercepted
sunlight
under
constraints
heat
stress,
water
loss
and
competition.
Despite
importance
angle,
until
recently,
we
have
lacked
data
frameworks
describe
predict
angle
dynamics
their
impacts
leaves
globe.
We
review
role
studies
ecophysiology,
ecosystem
ecology
earth
system
science,
highlight
essential
yet
understudied
as
an
ecological
strategy
regulate
plant
carbon–water–energy
nexus
bridge
leaf,
canopy
processes.
Using
two
models,
show
that
variations
significant
not
only
canopy‐scale
photosynthesis,
balance
efficiency
but
also
light
competition
within
forest
canopy.
New
techniques
measure
are
emerging,
opening
opportunities
understand
rarely‐measured
intraspecific,
interspecific,
seasonal
interannual
implications
biology
science.
conclude
proposing
three
directions
for
future
research.
Oxford University Press eBooks,
Год журнала:
2023,
Номер
unknown
Опубликована: Июль 27, 2023
Abstract
Plants
have
evolved
a
remarkable
array
of
adaptive
solutions
to
the
existential
problem
survival
and
reproduction
in
world
where
disturbances
can
be
deadly,
resources
are
scarce,
competition
is
cutthroat.
inherited
phenotypic
traits
that
increased
their
chance
success,
these
indicators
strategies
for
establishment
survival.
A
plant
strategy
thought
as
“how
species
sustains
population”
(Westoby,
1998,
p.
214)
because
all
successful
must
positive
demographic
outcomes
habitats
which
they
adapted.
This
book
aims
articulate
coherent
framework
studying
unifies
demography
with
functional
ecology
advance
prediction
ecology.
Central
this
traits:
heritable
morphological,
physiological,
phenological
attributes
plants
influence
therefore
drive
fitness
differences
among
species.
Annals of the New York Academy of Sciences,
Год журнала:
2023,
Номер
1522(1), С. 74 - 97
Опубликована: Фев. 1, 2023
Abstract
Vegetation
and
atmosphere
processes
are
coupled
through
a
myriad
of
interactions
linking
plant
transpiration,
carbon
dioxide
assimilation,
turbulent
transport
moisture,
heat
atmospheric
constituents,
aerosol
formation,
moist
convection,
precipitation.
Advances
in
our
understanding
hampered
by
discipline
barriers
challenges
the
role
small
spatiotemporal
scales.
In
this
perspective,
we
propose
to
study
atmosphere–ecosystem
interaction
as
continuum
integrating
leaf
regional
scales
(multiscale)
biochemical
physical
(multiprocesses).
The
ahead
(1)
How
do
clouds
canopies
affect
transferring
in‐canopy
penetration
radiation,
thereby
impacting
photosynthesis
biogenic
chemical
transformations?
(2)
is
radiative
energy
spatially
distributed
converted
into
fluxes
heat,
carbon,
reactive
compounds?
(3)
local
(leaf‐canopy‐clouds,
1
m
kilometers)
interact
with
meteorology
composition
(kilometers
100
km)?
(4)
can
integrate
feedbacks
between
cloud
effects
physiology
reduce
uncertainties
climate
projections
driven
warming
enhanced
levels?
Our
methodology
integrates
fine‐scale
explicit
simulations
new
observational
techniques
determine
unresolved
small‐scale
weather
models.
Nature Communications,
Год журнала:
2023,
Номер
14(1)
Опубликована: Июль 4, 2023
Abstract
Fundamental
axes
of
variation
in
plant
traits
result
from
trade-offs
between
costs
and
benefits
resource-use
strategies
at
the
leaf
scale.
However,
it
is
unclear
whether
similar
propagate
to
ecosystem
level.
Here,
we
test
trait
correlation
patterns
predicted
by
three
well-known
leaf-
plant-level
coordination
theories
–
economics
spectrum,
global
spectrum
form
function,
least-cost
hypothesis
are
also
observed
community
mean
processes.
We
combined
functional
properties
FLUXNET
sites,
vegetation
properties,
into
corresponding
principal
component
analyses.
find
that
(90
sites),
function
(89
(82
sites)
all
evidence
additional
scale-emergent
properties.
Evaluating
may
aid
development
more
realistic
dynamic
models
with
critical
empirical
data,
reducing
uncertainty
climate
change
projections.
Nature Communications,
Год журнала:
2024,
Номер
15(1)
Опубликована: Июнь 24, 2024
Abstract
Global
patterns
of
leaf
nitrogen
(N)
and
phosphorus
(P)
stoichiometry
have
been
interpreted
as
reflecting
phenotypic
plasticity
in
response
to
the
environment,
or
an
overriding
effect
distribution
species
growing
their
biogeochemical
niches.
Here,
we
balance
these
contrasting
views.
We
compile
a
global
dataset
36,413
paired
observations
N
P
concentrations,
taxonomy
45
environmental
covariates,
covering
7,549
sites
3,700
species,
investigate
how
identity
variables
control
variations
mass-based
N:P
ratio.
find
within-species
variation
contributes
around
half
total
variation,
with
29%,
31%,
22%
N,
P,
respectively,
explained
by
variables.
Within-species
along
gradients
varies
across
is
highest
for
lowest
N.
identified
effects
on
using
random
forest
models,
whereas
were
largely
missed
widely
used
linear
mixed-effect
models.
Our
analysis
demonstrates
substantial
influence
environment
driving
plastic
responses
within
which
challenges
reports
fixed
niche
importance
distributions
shaping
P.
New Phytologist,
Год журнала:
2024,
Номер
243(3), С. 866 - 880
Опубликована: Фев. 11, 2024
Summary
A
large
fraction
of
plant
litter
comprises
recalcitrant
aromatic
compounds
(lignin
and
other
phenolics).
Quantifying
the
fate
is
difficult,
because
oxidative
degradation
carbon
(C)
a
costly
but
necessary
endeavor
for
microorganisms,
we
do
not
know
when
gains
from
decomposition
C
outweigh
energetic
costs.
To
evaluate
these
tradeoffs,
developed
model
in
which
rate
optimized
dynamically
to
maximize
microbial
growth
given
costs
maintaining
ligninolytic
activity.
We
tested
performance
against
>
200
datasets
collected
published
literature
assessed
effects
climate
chemistry
on
decomposition.
The
predicted
time‐varying
oxidation
rate,
was
used
calculate
lag
time
before
initiated.
Warmer
conditions
increased
rates,
shortened
oxidation,
improved
C‐use
efficiency
by
decreasing
oxidation.
Moreover,
higher
initial
content
promoted
an
earlier
start
under
any
climate.
With
this
contribution,
highlight
application
eco‐evolutionary
approaches
based
life
strategies
as
alternative
parametrization
scheme
models.
Communications Earth & Environment,
Год журнала:
2025,
Номер
6(1)
Опубликована: Янв. 10, 2025
Abstract
Vegetation
cover
regulates
the
exchanges
of
energy,
water
and
carbon
between
land
atmosphere.
Remotely-sensed
fractional
absorbed
photosynthetically
active
radiation
(fAPAR),
a
land-surface
greenness
measure,
depends
on
allocation
to
foliage
while
also
controlling
photon
flux
for
photosynthesis.
Here
we
use
an
equation
with
just
two
globally
fitted
parameters
describe
annual
maximum
fAPAR
as
smaller
water-limited
value
transpiring
constant
fraction
precipitation,
energy-limited
maximizing
plant
growth.
This
minimalist
description
reproduces
global
patterns
temporal
trends
in
remote-sensing
data,
comparable
best-performing
dynamic
vegetation
models.
Widely
observed
greening
is
attributed
principally
influence
rising
dioxide
light-
water-use
efficiencies
photosynthesis;
limited
browning
regions
are
drying.
research
provides
one
key
component
ecosystem
function
step
towards
more
robust
foundations
new-generation
Global Change Biology,
Год журнала:
2025,
Номер
31(1)
Опубликована: Янв. 1, 2025
ABSTRACT
Stomata
control
plant
water
loss
and
photosynthetic
carbon
gain.
Developing
more
generalized
accurate
stomatal
models
is
essential
for
earth
system
predicting
responses
under
novel
environmental
conditions
associated
with
global
change.
Plant
optimality
theories
offer
one
promising
approach,
but
most
such
assume
that
conductance
maximizes
net
assimilation
subject
to
some
cost
or
constraint
of
water.
We
move
beyond
this
approach
by
developing
a
new,
theory
conductance,
optimizing
any
non‐foliar
proxy
requires
reserves,
like
growth,
survival,
reproduction.
overcome
two
prior
limitations.
First,
we
reconcile
the
computational
efficiency
instantaneous
optimization
biologically
meaningful
dynamic
feedback
over
lifespans.
Second,
incorporate
non‐steady‐state
physics
in
account
temporal
changes
water,
carbon,
energy
storage
within
its
environment
occur
timescales
stomata
act,
contrary
previous
theories.
Our
optimal
compares
well
observations
from
seedlings,
saplings,
mature
trees
field
greenhouse
experiments.
model
predicts
predispositions
mortality
during
2018
European
drought
captures
realistic
cues,
including
partial
alleviation
heat
stress
evaporative
cooling
negative
effect
accumulating
foliar
soluble
carbohydrates,
promoting
closure
elevated
CO
2
.
advance
incorporating
evolutionary
fitness
proxies
enhance
utility
without
compromising
realism,
offering
promise
future
realistically
accurately
predict
fluxes.
Journal of Advances in Modeling Earth Systems,
Год журнала:
2021,
Номер
14(1)
Опубликована: Дек. 6, 2021
Abstract
Vegetation
regulates
land‐atmosphere,
water,
and
energy
exchanges
is
an
essential
component
of
land‐surface
models
(LSMs).
However,
LSMs
have
been
handicapped
by
assumptions
that
equate
acclimated
photosynthetic
responses
to
the
environment
with
fast
observable
in
laboratory.
The
effects
acclimation
can
be
taken
into
account
including
PFT‐specific
values
parameters,
but
at
cost
increasing
parameter
requirements.
Here,
we
develop
alternative
approach
for
adopting
P
model,
existing
light‐use
efficiency
model
gross
primary
production
(GPP)
implicitly
predicts
parameters
on
a
weekly
monthly
timescale
via
optimality
principles.
We
demonstrate
it
possible
explicitly
separate
slow
environmental
conditions,
allowing
simulation
GPP
sub‐daily
timesteps
required
coupling
LSM.
resulting
reproduces
diurnal
cycles
recorded
eddy‐covariance
flux
towers
temperate
grassland
boreal,
tropical
forests.
best
performance
achieved
when
biochemical
capacities
are
adjusted
match
recent
midday
conditions.
Comparison
between
this
operational
LSM
European
Centre
Medium‐range
Weather
Forecasts
climate
shows
new
has
better
predictive
power
most
sites
years
analyzed,
particularly
summer
autumn.
Our
analyses
suggest
simple
parameter‐sparse
method
include
both
instantaneous
within
framework,
potential
applications
weather,
climate,
carbon‐cycle
modeling.
Global Change Biology,
Год журнала:
2022,
Номер
29(1), С. 126 - 142
Опубликована: Сен. 30, 2022
Recent
increases
in
vegetation
greenness
over
much
of
the
world
reflect
increasing
CO2
globally
and
warming
cold
areas.
However,
strength
response
to
both
those
areas
appears
be
declining
for
unclear
reasons,
contributing
large
uncertainties
predicting
how
will
respond
future
global
changes.
Here,
we
investigated
changes
satellite-observed
peak
season
absorbed
photosynthetically
active
radiation
(Fmax
)
on
Tibetan
Plateau
between
1982
2016.
Although
climate
trends
are
similar
across
Plateau,
identified
robust
divergent
responses
(a
greening
0.31
±
0.14%
year-1
drier
regions
a
browning
0.12
0.08%
wetter
regions).
Using
an
eco-evolutionary
optimality
(EEO)
concept
plant
acclimation/adaptation,
propose
parsimonious
modelling
framework
that
quantitatively
explains
these
terms
water
energy
limitations.
Our
model
captured
variations
Fmax
with
correlation
coefficient
(r)
.76
root
mean
squared
error
.12
predicted
(0.32
0.19%
(0.07
0.06%
).
We
also
observed
reduced
sensitivities
precipitation
temperature.
The
allows
us
explain
changes:
Enhanced
growing
cumulative
has
opposite
effects
use
uptake.
Increased
overwhelmingly
positive
effect
regions,
whereas
reduces
by
cost
building
maintaining
leaf
area.
Rising
stimulates
growth
enhancing
water-use
efficiency,
but
its
photosynthesis
saturates.
decrease
sensitivity
reflects
shift
from
limitation.
study
demonstrates
potential
EEO
approaches
reveal
mechanisms
underlying
recent
provides
further
insight
into
alpine
ecosystems
ongoing
change.