Ecology and Evolution,
Journal Year:
2022,
Volume and Issue:
12(1)
Published: Jan. 1, 2022
Abstract
Aims
Understanding
the
joint
effects
of
plant
development
and
environment
on
shifts
intraspecific
leaf
traits
will
advance
understandings
causes
trait
variation.
We
address
this
question
by
focusing
a
widespread
species
Clausena
dunniana
in
subtropical
broad‐leaved
forest.
Methods
sampled
262
individuals
C
.
at
two
major
topographic
habitat
types,
slope
hilltop,
within
karst
forests
Maolan
Nature
Reserve
southwestern
China.
measured
individual
level
(i.e.,
specific
area
(SLA),
area,
dry‐matter
content
(LDMC),
thickness)
that
are
associated
with
resource‐use
strategies.
adopted
linear
mixed‐effects
model
which
size
first
principal
component
basal
diameter
height)
environmental
factors
habitat,
canopy
height,
rock‐bareness)
were
used
as
independent
variables,
to
estimate
their
influences
traits.
Key
Results
found
(1)
independently
drove
,
explained
less
variances
than
factors.
(2)
With
increasing
size,
had
increasingly
smaller
SLA
but
larger
sized
leaves.
(3)
The
most
influential
factor
was
habitat;
it
all
four
examined.
hilltops
representing
more
conservative
strategies
(e.g.,
SLA,
higher
LDMC)
slopes.
On
top
that,
local‐scale
further
modified
shifts.
Conclusions
Plant
shaped
variations
forest
Maolan.
Compared
played
critical
role
shaping
variations,
potentially
also
underlying
individual‐level
Annals of Botany,
Journal Year:
2021,
Volume and Issue:
127(4), P. 397 - 410
Published: Jan. 27, 2021
Investigating
the
causes
and
consequences
of
intraspecific
trait
variation
(ITV)
in
plants
is
not
novel,
as
it
has
long
been
recognized
that
such
shapes
biotic
abiotic
interactions.
While
evolutionary
population
biology
have
extensively
investigated
ITV,
only
last
10
years
interest
ITV
surged
within
community
comparative
ecology.
Journal of Ecology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 8, 2025
Abstract
Arable
fields
and
mesic
meadows
have
been
affected
by
intensifying
agricultural
management
nutrient
input
during
the
20th
century,
but
direct
evidence
for
long‐term
impact
of
intensification
on
plant
contents
remains
scarce.
Non‐destructive
novel
spectroscopic
methods
can
produce
such
data
from
herbarium
specimens,
making
it
possible
to
investigate
how
leaf
traits,
especially
nitrogen
phosphorus,
changed
over
last
what
role
habitat
type
practices
play.
We
carried
out
a
resurvey
study
functional
traits
in
arable
field
meadow
communities.
used
specimens
two
German
herbaria
with
high
coverage
their
local
floras:
Senckenberg
Görlitz
Haussknecht
Jena.
Following
specimen
information,
same
species
were
resampled
2022
at
locations.
employed
near‐infrared
spectroscopy
predict
nitrogen,
phosphorus
carbon
content
specimens.
Nutrient
changes
time
compared
public
records
regional
P
N
fertilization.
Overall,
1270
76
both
studied,
oldest
19th
century.
Leaf
nitrogen:phosphorus
ratio
increased
significantly
through
time,
while
decreased
time.
showed
stronger
response
than
species.
The
total
amount
or
fertilizer
applied
per
year
scale
was
found
be
correlated
respective
levels.
Synthesis
:
Our
shows
increase
studied
habitats,
paralleling
chemical
applications
Germany.
indicate
shift
predominantly
N‐limited
towards
more
P‐limited
growth
conditions.
could
faster
adjustment
environmental
pressures.
This
thus
also
serves
showcase
potential
combination
collections
NIR
spectroscopy.
Ecology and Evolution,
Journal Year:
2022,
Volume and Issue:
12(2)
Published: Feb. 1, 2022
Abstract
Climate
change
and
other
global
drivers
threaten
plant
diversity
in
mountains
worldwide.
A
widely
documented
response
to
such
environmental
modifications
is
for
species
their
elevational
ranges.
Range
shifts
are
often
idiosyncratic
difficult
generalize,
partly
due
variation
sampling
methods.
There
thus
a
need
standardized
monitoring
strategy
that
can
be
applied
across
mountain
regions
assess
distribution
changes
community
turnover
of
native
non‐native
over
space
time.
Here,
we
present
conceptually
intuitive
protocol
developed
by
the
Mountain
Invasion
Research
Network
(MIREN)
systematically
quantify
patterns
distributions
along
elevation
gradients
arising
from
interactive
effects
climate
human
disturbance.
Usually
repeated
every
five
years,
surveys
consist
20
sample
sites
located
at
equal
increments
three
replicate
roads
per
region.
At
each
site,
plots
extend
side
road
into
surrounding
natural
vegetation.
The
has
been
successfully
used
18
worldwide
2007
present.
Analyses
one
point
time
already
generated
some
salient
results,
revealed
region‐specific
richness,
but
globally
consistent
decline
richness.
Non‐native
plants
were
also
more
abundant
directly
adjacent
edges,
suggesting
disturbed
roadsides
serve
as
vector
invasions
mountains.
From
upcoming
analyses
series,
even
exciting
results
expected,
especially
about
range
shifts.
Implementing
would
help
generate
complete
picture
how
alters
distributions.
This
inform
conservation
policy
ecosystems,
where
policies
remain
poorly
implemented.
Functional Ecology,
Journal Year:
2023,
Volume and Issue:
38(1), P. 98 - 113
Published: Nov. 9, 2023
Abstract
Plant
functional
strategies
change
considerably
as
plants
develop,
driven
by
intraindividual
variability
in
anatomical,
morphological,
physiological
and
architectural
traits.
Developmental
trait
variation
arises
through
the
complex
interplay
among
genetically
regulated
phase
(i.e.
ontogeny),
increases
plant
age
size,
phenotypic
plasticity
to
changing
environmental
conditions.
Although
spatial
drivers
of
intraspecific
have
received
extensive
research
attention,
developmentally
is
largely
overlooked,
despite
widespread
occurrence.
Ontogenetic
regulated,
leads
dramatic
changes
phenotypes
evolves
response
predictable
conditions
develop.
Evidence
has
accumulated
support
a
general
shift
from
fast
slow
relative
growth
rates
shade
sun
leaves
develop
highly
competitive
but
shady
juvenile
niche
stressful
adult
systems
studied
date.
Nonetheless,
there
are
major
gaps
our
knowledge
due
examination
only
few
factors
selecting
for
evolution
ontogenetic
trajectories,
how
ontogeny
assigned,
biogeographic
sampling
biases
on
trees
temperate
biomes,
dependencies
broadly
sampled
leaf
morphological
traits
lack
longitudinal
studies
that
track
within
individuals.
Filling
these
will
enhance
understanding
ecology
provide
framework
predicting
effects
global
threats
target
specific
stages.
Read
free
Plain
Language
Summary
this
article
Journal
blog.
Journal of Biogeography,
Journal Year:
2023,
Volume and Issue:
50(4), P. 641 - 653
Published: Jan. 27, 2023
Abstract
Island
floras
are
diverse
with
exceptionally
high
rates
of
endemicity,
and
they
also
severely
threatened.
Invasive
plants
widespread
on
islands,
but
whether
islands
particularly
susceptible
to
invasion
or
island
species
more
vulnerable
displacement,
both,
remains
unclear.
As
part
the
“island
plant
syndrome,”
it
has
been
predicted
that
have
convergently
evolved
conservative
resource
use,
slow
growth
rates,
weak
competitive
abilities
in
response
moderate
climates
presumed
absence
competition
communities
relatively
low
richness.
Yet,
functional
trait
approaches
provided
mixed
evidence
support
this
prediction,
direct
tests
as
neighbour
effects
performance
lacking.
Considering
extensive
environmental
heterogeneity
exists
within
among
seems
likely
strategies,
spanning
acquisitive,
plants.
Furthermore,
assessing
syndrome
predictions
through
comparisons
invasive
species,
which
nonrandom
subsets
continental
plants,
is
a
flawed
approach.
Future
studies
compare
strategies
native
versus
for
between
local
scale
at
occurs,
consider
non‐additivities
other
simultaneous
global
threats,
urgently
needed
conserve
these
biodiversity
hotspots.
Oikos,
Journal Year:
2022,
Volume and Issue:
2023(1)
Published: May 5, 2022
Elevational
gradients
are
useful
for
predicting
how
plant
communities
respond
to
global
warming,
because
at
lower
elevations
experience
warmer
temperatures.
Fine
root
traits
and
trait
variation
could
play
an
important
role
in
determining
community
responses
warming
cold‐climate
ecosystems
where
a
large
proportion
of
biomass
is
allocated
belowground.
Here,
we
investigated
the
effects
elevation‐associated
temperature
change
on
twelve
chemical
morphological
fine
species
Swedish
subarctic
tundra.
We
also
assessed
relative
contributions
turnover
intraspecific
total
amount
community‐level
explained
by
elevation.
Several
traits,
both
whole
levels,
had
significant
linear
or
quadratic
relationships
with
elevation,
but
direction
strength
these
varied
among
species.
Further,
found
no
support
unidirectional
from
more
acquisitive
values
towards
associated
greater
nutrient
conservation
higher
elevations,
either
level.
On
other
hand,
coefficients
level
increased
elevation
several
traits.
that
was
relatively
than
turnover,
meaning
plasticity
driving
environmental
factors
this
tundra
system.
Our
findings
indicate
progressing
may
drive
composition
not
necessarily
lead
shifts
resource–acquisition
strategy
all
Plant Methods,
Journal Year:
2024,
Volume and Issue:
20(1)
Published: Feb. 1, 2024
Abstract
Background
Herbaria
are
becoming
increasingly
important
as
archives
of
biodiversity,
and
play
a
central
role
in
taxonomic
biogeographic
studies.
There
is
also
an
ongoing
interest
functional
traits
the
way
they
mediate
interactions
between
plant
species
its
environment.
Herbarium
specimens
allow
tracking
trait
values
over
time,
thus,
capturing
consequences
anthropogenic
activities
such
eutrophication.
Here,
we
present
open,
reproducible,
non-destructive
workflow
to
collect
leaf
data
from
herbarium
using
near-infrared
spectroscopy
(NIRS),
proof
concept
for
reliability
this
approach.
Results
We
carried
out
three
experiments
test
suitability
NIRS
methods
predict
both
fresh
dried
leaves:
(1)
With
fertilization
experiment,
studied
whether
was
able
capture
changes
N
P
during
experiment
compared
contents
predicted
by
with
results
obtained
regular
wet
lab
methods.
Calibration
models
nitrogen
phosphorus
had
quality
R
2
=
0.7
0.5,
respectively.
fitted
calibration
readings
on
samples,
which
produced
equally
precise
predictions
analyses.
(2)
tested
effect
conservation
simulating
them
through
application
six
treatments
combining
freezing,
drying
pesticide
spraying
factorial
scheme
comparing
these
untreated
samples.
No
consistent
were
observed
spectra
before
after
simulated
conditions.
(3)
Finally,
specimen
storage
duration
2018
study
re-analyzed
2021.
period.
Conclusions
The
demonstrate
measure
Together
method
dataset
presented
here,
provide
toolset
allowing
researchers
development
their
response
environmental
decades
even
centuries
fast
manner.
Basic and Applied Ecology,
Journal Year:
2021,
Volume and Issue:
55, P. 20 - 32
Published: May 5, 2021
Plant
functional
traits,
especially
leaf
are
accepted
proxies
for
ecosystem
properties.
Typically,
they
measured
at
the
species
level,
neglecting
within-species
variation.
While
there
is
extensive
knowledge
about
trait
changes
(both
within
and
across
species)
along
abiotic
gradients,
little
known
biotic
influences,
in
particular
local
scales.
Here,
we
used
a
large
biodiversity-ecosystem
functioning
experiment
subtropical
China
to
investigate
intra-specific
of
16
tree
as
response
richness
neighbourhood.
We
hypothesized
that
because
positive
complementarity
effects,
shift
their
traits
towards
more
acquisitive
growth
strategy,
when
neighbourhood
higher.
The
should
be
most
pronounced,
focal
tree's
closest
neighbour
from
different
species,
but
still
detectable
directly
surrounding
community.
Consequently,
expected
trees
with
con-specific
have
strongest
community,
i.e.,
steepest
increase
traits.
Our
results
indicate
diversity
promoted
reduced
competition
resource
use
both
spatial
scales
considered.
In
addition,
had
considerably
stronger
effects
than
As
expected,
nearest
showed
shifts.
However,
predicted
effect
hetero-specificity
disappeared
highest
levels
potentially
resulting
higher
probability
meet
strong
competitor
diverse
environment.
findings
show
same
vary
not
only
changing
conditions,
also
richness.
This
highlights
benefit
including
variation
analysing
relationships
between
plant
functions.
Diversity and Distributions,
Journal Year:
2022,
Volume and Issue:
29(1), P. 51 - 60
Published: Nov. 8, 2022
Abstract
Oceanic
islands
are
renowned
for
their
unique
flora
and
high
levels
of
endemism.
Native
island
plants,
however,
imperilled
by
non‐native
species
that
can
become
invasive
outcompeting
natives.
The
threat
native
assemblages
generally
increases
with
isolation
the
number
endemics
featured,
but
also
human‐associated
disturbance
land
use.
Based
on
this,
Canary
Island
plant
systems
should
be
highly
threatened
invasives,
similar
to
other
oceanic
globally.
However,
Canarian
only
weakly
infiltrated
rarely
directly
plants.
Further,
disturbed
areas,
usually
among
first
colonized
invasives
islands,
recolonized
here
we
postulate
four
hypotheses
(climatic
filter,
well‐preservation
status,
human
legacy
permanent
colonization)
explaining
this
unusual
behaviour
Islands,
providing
an
opportunity
understand
drivers
processes
behind
invasion
into
communities
islands.