Authorea (Authorea),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Nov. 20, 2023
Research
in
fluvial
biogeomorphology
largely
aims
to
promote
our
understanding
of
the
interactions
between
riparian
vegetation
and
morphodynamics
within
riverine
ecosystems.
Starting
at
end
last
century,
Angela
M.
Gurnell
has
made
a
major
contribution
geomorphology
by
considering,
addition
water
flow
sediment
transport,
explicitly
riparian,
later
also
aquatic
thus
significantly
promoted
biogeomorphological
approach
from
its
beginnings
until
today.
The
objective
present
paper
is
set
studies
results
obtained
over
twenty
years
authors
many
collaborators,
including
Gurnell,
on
panel
French
rivers:
Tech,
Garonne,
Isère
Allier
Rivers.
In
particular,
feedback
mechanisms
dynamics
were
investigated
directly
field
using
high
resolution
remote
sensing
scale
individual
plants,
populations,
communities
landscapes,
as
well
during
semi-controlled
ex
situ
experiments
plants.
Collectively,
authors’
research
conducted
past
20
contributed
elucidate
some
key
aspects
lowest
highest
levels
ecosystem
organisation.
This
article
presents
discusses
those
aspects.
gradually
better
understand
quantify
feedbacks
river
nested
spatiotemporal
scales,
plant
species
traits
landscape.
Furthermore,
advocated
for
more
than
now,
clearly
helped
contribute
enlargement
discipline
ecology
evolutionary
ecology,
development
integrative
vision
study
earth
surface
processes.
Earth Surface Processes and Landforms,
Journal Year:
2024,
Volume and Issue:
49(3), P. 1156 - 1178
Published: Jan. 23, 2024
Abstract
In
recent
decades,
fluvial
geomorphology
and
ecohydraulic
research
have
extensively
used
field
observations,
remote
sensing
or
hydrodynamic
modelling
to
understand
river
systems.
This
study
presents
an
innovative
approach
that
combines
surveys,
Light
Detection
Ranging
(LiDAR)‐based
topographical
biomass
analyses
model‐derived
hydro‐morphodynamic
geostatistics
examine
short‐term
biogeomorphological
changes
in
the
wandering
gravel‐bed
Orco
River
Italy.
Our
primary
hypothesis
is
hydro‐morphological
variables
can
be
robust
descriptors
for
riparian
vegetation
distribution.
From
a
geomorphological
perspective,
our
confirms
prevalent
behaviour
of
River.
Moreover,
we
identified
widening
trend
braiding
anabranching
sections,
particularly
downstream.
evident
because
hotspots
flood‐induced
morphological
reactivation
redistribution
sediments
from
riverbed
lateral
bars,
resulting
multi‐thread
pattern.
analysis
reveals
net
increase
during
observation
period
despite
frequent
flood
disturbances.
We
attributed
it
two
opposing
dynamics:
reduced
flow
disturbance
some
regions
due
self‐healing
connectivity
through
wandering.
Such
indicates
transitional
rivers
store
carbon
form
their
instability
different
timescales
between
adjustments.
Finally,
supported
initial
with
three
key
findings:
(i)
signature
not
just
on
topography
but
also
conditions,
summarised
by
inundation
probability;
(ii)
lower
variance
vertical
vegetated
areas
compared
bare
ones;
(iii)
introduction
new
parameter,
named
viscosity
,
derived
product
mean
bed
shear
stress
average
duration,
as
discriminating
factor
colonisation
conditions.
These
results
underscore
value
comprehensive
approach.
Research Square (Research Square),
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 29, 2025
Abstract
Riparian
buffer
zones
are
essential
nature-based
solutions
for
protecting
freshwater
ecosystems
globally,
yet
their
implementation
faces
challenges
in
balancing
ecological,
agricultural,
and
social
needs.
In
the
Santa
Lucía
River
Basin
(SLRB)
Uruguay,
these
buffers
critical
improving
water
quality
but
face
issues
like
low
compliance
limited
awareness
of
policy
place.
We
explored
stakeholder
perspectives
on
riparian
through
24
semi-structured
interviews
with
government
institutions,
researchers,
producer
unions,
producers,
NGOs,
locals.
The
aim
was
to
identify
perceptions
current
desired
ecosystem
services,
characteristics,
barriers
opportunities
successful
implementation.
results
show
that
stakeholders
acknowledge
key
services
such
as
pollution
retention
erosion
reduction,
they
desire
additional
enhanced
agricultural
productivity
recreational
opportunities.
Stakeholders
identified
native
vegetation
spatial
dimensions
important
physical
characteristics
zones.
Preferred
management
practices
included
no-tillage
extensive
practices,
while
should
adapt
specific
conditions
area
located
instead
a
“one-size-fits-all”
design.
Barriers
cooperation,
communication
gaps,
economic
costs
hinder
progress.
To
address
barriers,
potential
include
collaboration,
emphasizing
multifunctional
benefits
buffers,
strengthening
monitoring,
exploring
provide
technical
support
farmers,
adopting
integrated
environmental
approaches.
By
addressing
interconnected
challenges,
can
become
resilient,
enhance
benefiting
both
biodiversity
human
well-being
SLRB.
Global Ecology and Biogeography,
Journal Year:
2025,
Volume and Issue:
34(2)
Published: Feb. 1, 2025
ABSTRACT
Aim
In
riparian
zones
along
rivers,
plant
demography
is
shaped
by
hydrologic
disturbances,
the
dendritic
structure
of
river
networks,
and
asymmetric
gene
flow
due
to
prevalence
unidirectional
dispersal
hydrochory.
Downstream‐biased
may
lead
accumulation
genetic
diversity
in
populations
situated
lower
within
catchment
area—a
phenomenon
referred
as
‘downstream
increase
intraspecific
diversity’
(DIGD).
Our
study
aimed
test
if
presence
this
pattern
plants
depends
on
species
traits,
sampling
design
ecosystem
integrity.
Location
Riparian
rivers
worldwide.
Time
Period
1978–2023.
Major
Taxa
Studied
Vascular
plants.
Methods
We
conducted
meta‐analysis
population
studies
identify
factors
linked
occurrence
DIGD
pattern.
modelled
correlation
between
position
using
a
dataset
consisting
variables
extracted
from
studies,
supplemented
data
trait
databases.
Results
found
no
evidence
for
general
trend
but
traits
environmental
partially
explained
patterns.
A
downstream
was
more
likely
be
capable
hydrochoric
unmodified
which
maintain
habitat
continuity.
Main
Conclusions
highlights
that
different
patterns
can
or
levels
fragmentation.
Population
have
frequently
investigated
remnant
degraded
habitats.
Although
such
investigations
are
important,
common
well‐preserved
needed,
these
help
understanding
mechanisms
control
natural
dynamics
species.
Vegetation Classification and Survey,
Journal Year:
2025,
Volume and Issue:
6, P. 13 - 36
Published: Feb. 25, 2025
Aims
:
(a)
To
revise
the
previous
classification
systems
for
Alnetea
glutinosae
vegetation
in
Ukraine
using
a
representative
dataset;
(b)
to
define
types
at
association
level
and
outline
their
geographical
distribution
species
composition;
(c)
describe
relationships
between
defined
associations
main
environmental
factors.
Study
area
Ukraine.
Methods
5818
plots
of
floodplain
forests,
alder
carr,
birch
forests
were
collected
field
digitized
from
literature.
We
used
PC-ORD
beta-flexible
clustering
(beta
=
–0.3,
Bray-Curtis
dissimilarity,
log-transformed
percentage
abundances)
distinguish
types.
plotted
results
an
NMDS
ordination
diagram
visualize
similarity
patterns
among
Results
.
distinguished
six
within
three
alliances:
mesotrophic
regularly
flooded
carr
(
Thelypterido
palustris-Alnetum
,
Carici
elongatae-Alnetum
acutiformis-Alnetum
),
basiphilous
on
mires
Salici
pentandrae-Betuletum
pubescentis
)
acidophilous
wet
palustris-Betuletum
Eriophoro
vaginati-Betuletum
).
Using
NMDS-ordination
Ellenberg-type
indicator
values
we
demonstrated
that
gradients
differentiation
are
soil
moisture
reaction,
nutrients,
light
availability.
Conclusions
our
comprehensive
data
set,
critically
revised
concept
syntaxonomic
structure
class
phytosociological
highlighted
drivers
determining
variability.
Our
study
also
provides
overview
current
each
Taxonomic
reference
Euro+Med
(2006-)
vascular
plants,
Hodgetts
et
al.
(2020)
bryophytes.
Syntaxonomic
Higher
syntaxa
follow
Mucina
(2016).
Abbreviations
db-RDA
distance-based
redundancy
analysis;
EIVs
Ellenberg
values;
EVC
EuroVegChecklist,
GIVD
Global
index
plot
databases,
ICPN
International
code
nomenclature
(Theurillat
2021);
Non-metric
multidimensional
scaling;
NNP
National
nature
park.
Plant Species Biology,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 26, 2025
Abstract
Riparian
ecosystems
are
essential
for
ensuring
linear
habitat
connectivity
and
providing
thermal
refugia
wildlife.
However,
they
increasingly
vulnerable
to
global
change,
resulting
in
widespread
degradation.
Four
riparian
trees,
specifically
Alnus
glutinosa
,
incana
Platanus
orientalis
Liquidambar
have
been
designated
as
case
studies
ex
situ
conservation
due
their
ecological
importance
vulnerability
Seeds
of
the
four
species
were
collected
Greece.
Germination
experiments
conducted
at
seven
constant
three
daily
alternating
temperature
regimes,
under
light
or
dark
conditions.
In
A.
L.
germination
was
also
tested
following
a
cold
stratification
pretreatment.
For
all
species,
highest
obtained
high
temperatures
(30°C
30/20°C).
Cold
pretreatment
expanded
range
suitable
increased
percentage
unfavorable
temperatures.
Light
promoted
untreated
seeds
across
species.
Secondary
physiological
dormancy
by
adverse
(thermodormancy)
darkness
(skotodormancy)
not
imposed.
The
trees
exhibit
orthodox
storage
behavior,
there
is
no
differentiation
(both
terms
final
rate)
among
(a)
seeds,
(b)
desiccated
(c)
that
stored
−20°C.
responses
temperature,
light,
reveal
mechanism
delays
from
autumn/early
winter
(time
seed
dispersal)
until
spring,
when
conditions
favorable
seedling
establishment.