This
study
aimed
to
evaluate
the
post-fire
regeneration
and
influence
of
flooding
on
Leucaena
leucocephala
(Lam.)
de
Wit
(Fabaceae)
trees,
co-occurring
plant
species
in
wetland
region
Brazil
(Pantanal).
We
identified
frequency
fires
proximity
invasion
through
satellite
images
interviews.
established
10
plots
20
subplots
per
treatment
(3
levels
topography
3
fire
frequency)
measured
circumference
adult
trees
counted
regenerating
native
species.
applied
Generalized
Linear
Mixed
Model
(GLMM),
rarefaction,
extrapolation
curves
for
data
analysis.
Our
results
showed
a
higher
number
L.
individuals
high
significant
positive
relationship
between
recruitment
Leucaena.
The
influenced
colonization
invasive
species,
resulting
lower
richness
particularly
non-floodable
areas.
best
GLMM
model
explaining
distribution
regenerant
included
acting
recruitment.
Hence,
using
as
means
managing
invasions
is
not
recommended,
alternative
methods
should
be
sought.
Moreover,
beside
predicted
rise
this
wetland,
increased
drought
Pantanal
may
favor
reduction
floodable
areas
sharp
growth
leucaena
over
time.
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: Feb. 24, 2023
Understanding
the
multifaceted
plant
diversity
and
its
maintenance
mechanisms
is
crucial
for
biodiversity
conservation.
Dam-induced
water
level
fluctuations
dramatically
alter
various
aspects
of
riparian
diversity,
such
as
taxonomic
(TD),
phylogenetic
(PD),
or
functional
(FD)
diversity.
However,
few
studies
simultaneously
evaluated
TD,
FD,
PD,
especially
in
subtropical
reservoir
zone.
Here
we
sampled
environmental
drivers
along
inundation
gradients
Three
Gorges
Reservoir
Region
China.
We
integrated
to
assess
how
distinct
ecological
processes
affect
community
assembly
they
respond
gradients,
spatial
variability,
climate,
soils
dam-regulated
zones.
found
that
alpha
FD
exhibited
decreasing
trends
with
increasing
significant
positive
correlations
soil
organic
matter.
The
number
clustering
communities
increases
gradients.
Beta
TD
PD
were
mainly
dominated
by
species
turnover
fewer
contributions
from
nestedness,
while
beta
was
nestedness
turnover.
explainable
rates
different
dimensions
turnover,
ranged
11%
61%,
factors
explaining
highest
dimensions,
followed
properties,
climate
variables.
Our
results
suggest
dispersal
limitations
are
more
important
zones
at
regional
scales,
fertility
critical
shaping
assemblages
local
scale.
This
study
emphasizes
understanding
driving
scales
reinforces
importance
protecting
seed
sources
pathways
maintaining
river
connectivity
when
implementing
restoration
projects.
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(4), P. 2131 - 2131
Published: Feb. 18, 2025
This
paper
presents
an
assessment
of
potential
losses
and
damage
costs
to
rare
coastal
plant
species
Lake
Baikal
(UNESCO
World
Heritage
Site)
as
a
result
inundation
at
high
water
levels.
The
lake’s
ecosystem
is
characterized
by
exceptional
diversity
endemic
animal
species.
construction
hydroelectric
power
caused
increase
in
the
level
Baikal,
resulting
low-lying
areas,
destruction
coastline,
alterations
hydrological
regime,
etc.
However,
there
are
practically
no
works
devoted
water-level
modeling
its
impact
on
riparian
vegetation,
including
We
conducted
fieldwork
determine
abundance
four
vulnerable
identified
zones
different
levels
basis
digital
elevation
models
based
aerial
photography
data.
analysis
revealed
that
maximum
inundation,
number
affected
would
total
5164,
amounting
financial
loss
biodiversity
estimated
3098.4
thousand
rubles.
To
mitigate
projected
losses,
it
imperative
implement
measures
restrict
fluctuations
above
457.00
m
threshold.
absence
flora
object
state
environmental
monitoring,
which
not
specified
regulatory
legal
document,
must
be
rectified
timely
manner.
Ecology and Evolution,
Journal Year:
2025,
Volume and Issue:
15(3)
Published: March 1, 2025
ABSTRACT
Within
the
study
of
aquatic
invasive
species,
small
ecosystems
are
often
neglected,
despite
representing
most
global
freshwater
bodies.
This
uses
community
composition
and
environmental
geographic
factors
to
explain
occurrence
species
in
lakes
southeastern
United
States.
Four
widespread
States
were
selected
as
focus
this
study:
Alternanthera
philoxeroides
,
Cyperus
blepharoleptos
Panicum
repens
Triadica
sebifera
.
The
plant
communities
surveyed
using
littoral
zone
point
sampling.
Generalized
linear
models
for
each
fit
with
probability
(
P
occ
)
response
variable
Secchi
depth,
diversity
α‐
diversity),
richness,
perimeter,
latitude,
longitude
potential
predictors;
all
predictors
subjected
model
selection
define
best‐fit
models.
All
strongly
predictive
area
under
receiver
operating
characteristic
curve
values
>
0.80.
Plant
was
positively
correlated
A.
P.
T.
Latitude
negatively
Perimeter
related
depth
C.
Although
latitude
commonly
predictive,
usually
explained
by
multiple
predictors,
suggesting
that
these
relationships
best
factors.
Global Change Biology,
Journal Year:
2025,
Volume and Issue:
31(2)
Published: Feb. 1, 2025
ABSTRACT
Over
two‐thirds
of
global
rivers
are
subjected
to
flow
regulation.
Although
it
is
widely
recognized
that
regulation
can
adversely
affect
riparian
vegetation—a
critical
component
river
ecosystems—the
specific
roles
various
drivers
remain
poorly
understood.
To
address
this
gap,
we
conducted
a
broad‐scale
meta‐analysis,
aiming
elucidate
how
different
factors
mediate
the
adverse
impacts
on
vegetation.
This
meta‐analysis
encompassed
59
papers,
spanning
278
dams
constructed
146
rivers.
We
extracted
data
four
key
indices
vegetation:
species
richness
and
abundance
all
species,
those
exclusively
for
non‐native
species.
Indices
were
compared
between
regulated
free‐flowing
or
pre‐damming
quantify
impact
Our
revealed
moderate
but
significant
reduction
in
under
regulation,
coupled
with
strong
increase
Riparian
vegetation
arid
continental
climate
regions
experienced
stronger
negative
than
tropical
temperate
climates.
Furthermore,
effects
more
pronounced
downstream
upstream.
Considering
region,
study
identity,
relative
position
dam
as
random
variables,
became
evident
years
since
emerged
most
important
factor
influencing
richness.
time,
gradually
recovered
from
initially
low
levels.
However,
recovery
was
slowed
by
increasing
intensity
(percentage
annual
runoff
stored).
Additionally,
larger
support
management,
recommend
prioritizing
protection
climates,
emphasis
areas
dams,
limiting
intensity,
particularly
rivers,
monitoring
prevent
disproportionate
spread.
Frontiers in Plant Science,
Journal Year:
2023,
Volume and Issue:
14
Published: Nov. 24, 2023
Plant–plant
interactions
under
extreme
environmental
stress
are
still
controversial.
The
gradient
hypothesis
(SGH)
proposes
that
facilitation
prevails
stresses,
while
an
alternative
view
states
collapses
or
even
switches
back
to
competition
at
the
end
of
gradients.
However,
how
relationship
between
plant–plant
interaction
and
periodic
flooding
varies
its
underlying
mechanism
unclear
in
a
dam-regulated
riparian
ecosystem.
We
established
controlled
experiment
using
two
dominant
species
pairs
(
Cynodon
dactylon
–
Cyperus
rotundus
C.
Xanthium
sibiricum
)
water
level
fluctuating
zone
Three
Gorges
Dam
examine
their
growth
responses
stress.
results
showed
as
increased,
competitive
effect
on
X.
shifted
facilitation,
whereas
maintained
strong
inhibition.
plant
height
was
most
important
driver
along
gradient.
net
from
neutral
negative,
inhibitory
became
stronger
root
biomass
key
trait
regulating
with
increasing
Overall,
SGH
partially
supported
our
Aboveground
resource
(light)
might
be
factor
driving
response
annual
plants
perennial
clonal
stress,
belowground
(water
nutrients)
probably
for
plants.
Our
study
will
help
further
understand
relationships
regulatory
mechanism,
succession
communities
changes,
providing
basic
theoretical
basis
data
support
ecological
restoration
management
wetland
vegetation.
