Plant Diversity,
Год журнала:
2023,
Номер
45(6), С. 621 - 629
Опубликована: Июнь 8, 2023
The
cortex
(i.e.,
absorptive
tissue)
and
stele
(transportive
vascular
are
fundamental
to
the
function
of
plant
roots.
Unraveling
how
these
anatomical
structures
assembled
in
roots
is
essential
for
our
understanding
ecology,
physiology,
responses
global
environmental
changes.
In
this
review,
we
first
compile
a
large
data
set
on
traits
roots,
including
thickness
radius,
across
698
observations
512
species.
Using
set,
reveal
common
root
allometry
structures,
i.e.,
increases
much
faster
than
radius
with
increasing
diameter
(hereafter,
allometry).
Root
further
validated
within
growth
forms
(woody,
grass,
liana
species),
mycorrhiza
types
(arbuscular
mycorrhiza,
ectomycorrhiza,
orchid
mycorrhizas),
phylogenetic
gradients
(from
ferns
Orchidaceae),
change
scenarios
(e.g.,
elevation
atmospheric
CO
Nature Communications,
Год журнала:
2023,
Номер
14(1)
Опубликована: Фев. 9, 2023
Abstract
Ecological
theory
predicts
close
relationships
between
macroclimate
and
functional
traits.
Yet,
global
climatic
gradients
correlate
only
weakly
with
the
trait
composition
of
local
plant
communities,
suggesting
that
important
factors
have
been
ignored.
Here,
we
investigate
consistency
climate-trait
for
communities
in
European
habitats.
Assuming
are
better
accounted
more
narrowly
defined
habitats,
assigned
>
300,000
vegetation
plots
to
hierarchically
classified
habitats
modelled
effects
climate
on
community-weighted
means
four
key
traits
using
generalized
additive
models.
We
found
predictive
power
increased
from
broadly
specific
leaf
area
root
length,
but
not
height
seed
mass.
Although
generally
predicted
distribution
all
traits,
its
varied,
habitat-specificity
increasing
toward
conclude
is
an
determinant
terrestrial
future
predictions
must
consider
how
defined.
Functional Ecology,
Год журнала:
2023,
Номер
37(7), С. 2072 - 2084
Опубликована: Апрель 23, 2023
Abstract
Globally,
plants
display
enormous
variation
in
life‐history
strategies
and
trait
combinations.
However,
evidence
suggests
that
evolutionary
physiological
constraints
limit
the
number
of
plant
ecological
strategies.
Although
there
have
been
recent
advances
understanding
correlations
among
traits,
reproductive
traits
are
rarely
considered,
despite
their
key
role
shaping
interactions
with
pollinators.
Here,
using
a
global
dataset
18
for
1506
species,
we
investigate
spectrum
flowering
to
identify
how
it
shapes
We
show
over
50%
all
is
explained
by
first
two
axes,
which
represent
negative
correlation
between
flower
size,
autonomous
selfing
floral
size.
In
addition,
these
axes
were
associated
identity
visits
distinct
pollinator
guilds.
explain
relatively
small
amount
variance
highlighting
need
incorporate
other
factors
along
fully
large‐scale
patterns
plant–pollinator
interactions.
Our
study
identifies
major
at
macro‐ecological
scale.
These
findings
emphasise
importance
considering
form
function,
explore
beyond
morphological
broaden
our
Read
free
Plain
Language
Summary
this
article
on
Journal
blog.
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.
Functional Ecology,
Год журнала:
2024,
Номер
38(3), С. 679 - 691
Опубликована: Янв. 2, 2024
Abstract
Multidimensional
trait
frameworks
are
increasingly
used
to
understand
plant
strategies
for
growth
and
survival.
However,
it
is
unclear
if
developed
at
a
global
level
can
be
applied
in
local
communities
how
well
these
frameworks—based
largely
on
morphological
traits—align
with
physiology
response
stress.
We
tested
the
ability
of
an
integrated
framework
form
function
characterise
seedling
variation
drought
among
22
grasses
forbs
common
semi‐arid
grassland.
measured
above‐ground
below‐ground
traits,
survival
explore
linked
three
dimensions
(resource
conservation,
microbial
collaboration,
size)
associated
as
non‐morphological
(e.g.
physiological
traits)
that
under‐represented
frameworks.
found
support
globally‐recognised
axes
representing
trade‐offs
tissue
investment
(leaf
nitrogen,
leaf
mass
per
area,
root
density),
resource
uptake
(root
diameter,
specific
length),
size
(shoot
mass).
contrast
patterns,
conservation
gradients
were
oppositely
aligned:
density
was
positively
correlated
N
rather
than
area.
This
likely
reflects
different
annual
perennial
herbaceous
species,
fast‐growing
species
invested
lower
roots
less
nitrogen‐rich
leaves
maximise
plant‐level
carbon
assimilation.
Species
longer
minimised
water
loss
through
small
low
leaf‐level
transpiration
rates,
best
predicted
by
principal
component
axis
size.
Contrary
our
expectations,
seedlings
did
not
align
or
collaboration
suggesting
functional
achieve
similar
survival,
long
they
minimise
loss.
Our
results
also
show
within
communities,
expected
relationships
could
decoupled
some
groups
performance
combinations.
The
effectiveness
mean
values
predicting
highlights
value
trait‐based
methods
versatile
tool
understanding
ecological
processes
locally
across
various
ecosystems.
Read
free
Plain
Language
Summary
this
article
Journal
blog.
New Phytologist,
Год журнала:
2024,
Номер
242(2), С. 351 - 371
Опубликована: Фев. 28, 2024
Summary
Tropical
forest
root
characteristics
and
resource
acquisition
strategies
are
underrepresented
in
vegetation
global
models,
hampering
the
prediction
of
forest–climate
feedbacks
for
these
carbon‐rich
ecosystems.
Lowland
tropical
forests
often
have
globally
unique
combinations
high
taxonomic
functional
biodiversity,
rainfall
seasonality,
strongly
weathered
infertile
soils,
giving
rise
to
distinct
patterns
traits
functions
compared
with
higher
latitude
We
provide
a
roadmap
integrating
recent
advances
our
understanding
belowground
function
into
focusing
on
water
nutrient
acquisition.
offer
comparisons
empirical
model
that
represent
important
processes
forests.
focus
on:
(1)
fine‐root
soil
exploration,
(2)
coupling
trade‐offs
vs
acquisition,
(3)
aboveground–belowground
linkages
plant
use.
suggest
avenues
representing
extremely
diverse
communities
computationally
manageable
ecologically
meaningful
groups
models
linked
hydro‐nutrient
functions.
undergoing
warming,
shifting
regimes,
exacerbation
scarcity
caused
by
elevated
atmospheric
CO
2
.
The
accurate
representation
is
crucial
interactions
this
biome
climate.
International Journal of Applied Earth Observation and Geoinformation,
Год журнала:
2024,
Номер
130, С. 103943 - 103943
Опубликована: Май 28, 2024
Wetlands
are
the
one
of
ecosystems
with
highest
biodiversity,
ecological
service
functions
and
carbon
storage.
Affected
by
synergistic
impacts
human
activities
climate
change,
global
wetland
area
has
decreased
35
%
since
1970,
far-reaching
implications
on
biodiversity
loss.
Compared
manual
ground
investigations,
remote
sensing
is
considered
to
be
most
promising
method
for
monitoring
change
in
order
formulate
effective
conservation
strategies
due
its
characteristics
non-contact
detection,
low
cost
timely.
Here
we
used
bibliometric
analyze
study
sites,
methods,
conclusions
shortcomings
published
papers
globally
over
past
60
years
monitoring.
We
show
that
distribution
wetlands
was
uneven,
mostly
concentrated
United
States,
China
Northern
Europe.
Current
researches
mainly
focused
coastal,
marsh
estuarine
wetlands,
while
other
(e.g.,
lake
riparian
artificial
peatlands
high-altitude
high-latitude
peatlands)
were
still
lacking.
Overall,
20
platforms
sensors
used,
near
infrared
shortwave
length
(780
∼
1100
nm)
reliable
sensitive
spectral
region.
Among
various
estimation
accuracy
nonlinear,
multi-independent
variables,
hyperspectral
models
generally
higher
than
those
linear,
single-factor
multispectral
models,
respectively.
The
affected
both
sampling
time
plant
phenology.
Most
studies
taxonomic
within-habitat
diversity
(α-diversity)
single-layer
communities
(grassland),
few
paid
attentions
functional
phylogenetic
inter-habitat
(β-diversity)
region
(γ-diversity)
multi-layer
(forest
shrubland),
biodiversity-ecosystem
functioning
(BEF)
relationships.
suggest
prospective
should
strengthen
globally.
multi-dimensional
data
mined
fused
provide
new
high
accuracy.
focus
scale
effects
(α,
β
γ),
BEF
relationships,
environmental
gradients.
Global Change Biology,
Год журнала:
2022,
Номер
28(10), С. 3310 - 3320
Опубликована: Март 2, 2022
Earth
system
models
are
implementing
soil
phosphorus
dynamic
and
plant
functional
traits
to
predict
changes
in
global
forests.
However,
the
linkage
between
lacks
empirical
evidence,
especially
mature
Here,
we
examined
constraint
on
a
subtropical
forest
based
observations
of
9943
individuals
from
90
species
5-ha
plot
405
15
an
adjacent
10-year
nutrient-addition
experiment.
We
first
confirmed
pervasive
limitation
tree
growth
leaf
N:P
ratios.
Then,
found
that
dominated
multidimensional
trait
variations
plot.
Soil
content
explained
44%
53%
variance
defining
main
space
across
communities,
respectively.
Lastly,
much
stronger
effects
most
than
nitrogen
at
both
community
levels
This
study
provides
evidence
for
consistent
pattern
evergreen
broadleaf
East
Asian
monsoon
region.
These
findings
shed
light
predominant
role
forests,
providing
new
insights
incorporate
predicting
future
vegetation
dynamics.
Annals of Botany,
Год журнала:
2022,
Номер
130(3), С. 419 - 430
Опубликована: Апрель 11, 2022
Abstract
Background
and
Aims
Plant
performance
is
enhanced
by
balancing
above-
below-ground
resource
uptake
through
the
intraspecific
adjustment
of
leaf
root
traits.
It
assumed
that
these
organ
adjustments
are
at
least
partly
coordinated,
so
analogous
traits
broadly
covary.
Understanding
extent
such
leaf–root
trait
covariation
would
strongly
contribute
to
our
understanding
how
plants
match
use
strategies
as
their
environment
changes,
but
comprehensive
studies
lacking.
Methods
We
measured
from
11
species,
well
climate,
soil
vegetation
properties
along
a
1000-m
elevation
gradient
in
French
Alps.
determined
varied
gradient,
what
this
variation
was
way
different
respond
environmental
cues
acting
spatial
scales
(i.e.
within
between
elevations),
whether
pairs
covaried
species.
Key
Results
Leaf
patterns
diverged:
across
species
were
largely
consistent,
whereas
highly
idiosyncratic.
also
observed
that,
when
compared
with
leaves,
greater
traits,
due
strong
effects
local
same
elevation),
while
landscape-level
elevations)
minor.
Overall,
correlations
nearly
absent.
Conclusions
Our
study
suggests
gradients
landscape
level,
heterogeneity
properties,
drivers
decoupling
This
plant
acquisition
highlights
can
exhibit
diverse
whole-plant
acclimation
modify
uptake,
improving
resilience
change.