Frontiers in Ecology and Evolution,
Journal Year:
2022,
Volume and Issue:
10
Published: June 20, 2022
Dredging
to
create
canals
and
channels
in
wetlands
is
widespread
a
major
cause
of
dramatically
high
wetland
loss
rates
coastal
Louisiana.
The
dredged
material
placed
alongside
the
canal
forms
continuous
levees
can
be
dragged
back
into
start
restoration
(backfilling)
but
rarely
done.
Thirty-three
backfilled
1980s
as
opportunistic
permit
requirements
were
examined
determine
their
re-vegetation
after
39
years.
Sixteen
33
disturbed
areas
are
now
mostly
restored
wetlands,
seventeen
compromised
by
re-dredging
other
factors
such
being
surrounded
or
embedded
within
water
level
control
structures.
Success
occurred
where
natural
hydrology
was
not
artificially
constrained
these
16
compared
Barataria
Preserve
Jean
Lafitte
Historical
National
Park.
spoil
bank
habitat
few
years,
open
70%
re-vegetated
years
if
there
no
soil
“plug”
at
entrance
during
backfilling.
Backfilling
done
on
27
thousand
abandoned
across
this
coast
for
low
cost
strategies.
Global Ecology and Biogeography,
Journal Year:
2024,
Volume and Issue:
33(8)
Published: May 9, 2024
Abstract
Aim
Tidal
marsh
ecosystems
are
heavily
impacted
by
human
activities,
highlighting
a
pressing
need
to
address
gaps
in
our
knowledge
of
their
distribution.
To
better
understand
the
global
distribution
and
changes
tidal
extent,
identify
opportunities
for
conservation
restoration,
it
is
critical
develop
spatial
base
occurrence.
Here,
we
globally
consistent
map
year
2020
at
10‐m
resolution.
Location
Global.
Time
period
2020.
Major
taxa
studied
marshes.
Methods
location
world's
marshes
resolution,
applied
random
forest
classification
model
Earth
observation
data
from
We
trained
with
reference
dataset
developed
support
mapping
coastal
ecosystems,
predicted
between
60°
N
S.
validated
using
standard
accuracy
assessment
methods,
final
having
an
overall
score
0.85.
Results
estimate
extent
be
52,880
km
2
(95%
CI:
32,030
59,780
)
distributed
across
120
countries
territories.
centred
temperate
Arctic
regions,
nearly
half
occurring
Northern
Atlantic
(45%)
region.
At
national
scale,
over
third
(18,510
;
11,200–20,900)
occurs
within
USA.
Main
conclusions
Our
analysis
provides
most
detailed
on
date
shows
that
occur
more
greater
proportion
coastline
than
previous
studies.
fills
major
gap
regarding
baseline
needed
measuring
estimating
value
terms
ecosystem
services.
Estuaries and Coasts,
Journal Year:
2024,
Volume and Issue:
47(7), P. 1735 - 1749
Published: Jan. 16, 2024
Abstract
A
network
of
15
Surface
Elevation
Tables
(SETs)
at
North
Inlet
estuary,
South
Carolina,
has
been
monitored
on
annual
or
monthly
time
scales
beginning
from
1990
to
1996
and
continuing
through
2022.
Of
73
series
in
control
plots,
12
had
elevation
gains
equal
exceeding
the
local
rate
sea-level
rise
(SLR,
0.34
cm/year).
Rising
marsh
is
dominated
by
organic
production
and,
we
hypothesize,
proportional
net
ecosystem
production.
The
gain
was
0.47
cm/year
plots
experimentally
fertilized
for
10
years
with
N&P
compared
nearby
that
have
gained
0.1
26
years.
excess
losses
were
accounted
changes
belowground
biomass
turnover.
This
supported
bioassay
experiments
organs
where
age
2
S.
alterniflora
plants
increasing
1,994
g
m
−2
year
−1
,
which
added
a
growth
premium
2.4
gain.
contrasted
746
controls,
can
add
0.89
elevation.
Root
density
greater
treatments
than
plateauing
about
1,374
472
respectively.
Growth
rhizomes,
grew
3,648
after
3
1,439
5
Depositional
wetlands
are
limited
an
exogenous
supply
mineral
sediment,
whereas
marshes
like
could
be
classified
as
autonomous
because
they
depend
situ
maintain
Autonomous
more
vulnerable
SLR
their
constrained
ultimately
photosynthetic
efficiency.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2023,
Volume and Issue:
unknown
Published: May 28, 2023
ABSTRACT
Aim
Tidal
marsh
ecosystems
are
heavily
impacted
by
human
activities,
highlighting
a
pressing
need
to
address
gaps
in
our
knowledge
of
their
distribution.
To
better
understand
the
global
distribution
and
changes
tidal
extent,
identify
opportunities
for
conservation
restoration,
it
is
critical
develop
spatial
base
occurrence.
Here,
we
globally
consistent
map
year
2020
at
10-m
resolution.
Location
Global
Time
period
Major
taxa
studied
marshes
Methods
location
world’s
applied
random
forest
classification
model
earth
observation
data
from
2020.
We
trained
with
reference
dataset
developed
support
mapping
coastal
ecosystems,
predicted
between
60°N
60°S.
validated
using
standard
accuracy
assessment
methods,
final
having
an
overall
score
0.852.
Results
estimate
extent
be
52,880
km
2
(95%
CI:
32,030
59,780
)
distributed
across
120
countries
territories.
centred
temperate
Arctic
regions,
nearly
half
occurring
Northern
Atlantic
(45%)
region.
At
national
scale,
over
third
(18,510
;
11,200
–
20,900)
occurs
within
USA.
Main
conclusions
Our
analysis
provides
most
detailed
on
date
shows
that
occur
more
greater
proportion
coastline
than
previous
studies.
fills
major
gap
regarding
baseline
needed
measuring
estimating
value
terms
ecosystem
services
Marine Policy,
Journal Year:
2023,
Volume and Issue:
159, P. 105898 - 105898
Published: Nov. 1, 2023
Blue
carbon
ecosystems
(BCEs)
have
reached
international
prominence
for
their
role
in
global
climate
change
mitigation
while
delivering
other
essential
ecosystem
services.
Among
these,
cultural
services
(CES)
of
BCEs,
which
are
the
non-material
benefits
that
contribute
to
human
well-being,
often
under
represented
and
unexplored
due
challenges
identifying
valuing
intangible
benefits.
Reflecting
these
challenges,
a
systematic
review
was
conducted
analyze
state
research
on
CES
BCEs.
Specifically,
we
identified
abundance
research,
geographic
distribution
studies,
frameworks
methodologies
used,
categories
frequency.
The
results
show
studies
focusing
BCEs
vary
dependent
specific
BCEs;
example,
related
mangroves
more
well-represented
than
saltmarshes
seagrasses.
displayed
high
occurrence
Asia,
with
fewer
regions.
Furthermore,
observed
values
physical
experiences
commonly
addressed
those
intrinsic
values.
Despite
progress
typologies
assessments,
there
knowledge
gaps
potentially
reflect
under-investigation
limited
understanding
valued
based
people's
perceptions
characteristics
habitat.
Additionally,
is
an
opportunity
be
integrated
into
restoration
strategies.
Diversity,
Journal Year:
2021,
Volume and Issue:
13(12), P. 680 - 680
Published: Dec. 19, 2021
Restoration
of
salt
marsh
is
urgent,
as
these
ecosystems
provide
natural
coastal
protection
from
sea-level
rise
impacts,
contribute
towards
climate
change
mitigation,
and
multiple
ecosystem
services
including
supporting
livelihoods.
This
study
identified
potential
restoration
sites
for
intervention
where
agricultural
degraded
land
could
be
returned
to
at
a
national
scale
in
South
African
estuaries.
Overall,
successful
some
estuaries
will
require
addressing
additional
pressures
such
freshwater
inflow
reduction
deterioration
water
quality.
Here,
we
present,
socio-ecological
systems
framework
that
links
state
the
well-being
people
guide
meaningful
implementable
management
interventions.
The
applied
case
Swartkops
Estuary
primary
intends
route
stormwater
run-off
abandoned
works
re-create
aquatic
habitat
waterbirds,
enhance
carbon
storage,
nutrient
filtration.
As
generalized,
while
still
allowing
site-specific
captured,
there
it
scale,
with
largest
areas
set
priorities
an
initiative.
It
estimated
~1970
ha
can
restored
this
way,
represents
14%
increase
cover
country.
Innovative
approaches
restoring
improving
condition
are
necessary
conserving
marshes
benefits
they
society.
Environmental Pollution,
Journal Year:
2023,
Volume and Issue:
322, P. 121151 - 121151
Published: Jan. 25, 2023
Marsh
resilience
post
disturbance
is
strongly
dependent
on
the
belowground
dynamics
affecting
emergent
plants
aboveground.
We
investigated
long-term
impacts
at
marsh-water
interface
in
coastal
wetlands
of
south
Louisiana
after
2010
Deepwater
Horizon
oil
spill
with
a
combination
fieldwork
(2010-2018)
and
spatial
analysis
(1998-2021).
Data
were
collected
shoreline
erosion
rates,
marsh
platform
elevation
heights
cantilever
overhang
widths,
soil
strength
up
to
1
m
depth.
Oil
concentration
top
5
cm
determined
using
gas
chromatography/mass
spectrometry
1000
times
higher
than
before
remained
10
eight
years
post-oiling.
The
oiling
initially
caused
edge
subside,
chronic
effects
lowered
strength,
creating
faster
rate
deeper
water
within
150
shoreline.
Soil
declined
by
50%
throughout
profile
has
not
recovered.
mean
for
11
post-spill
was
double
that
there
an
additive
impact
rates
Hurricane
Isaac.
Erosion
appeared
have
recovered
pre-spill
2019,
however
from
2019
2021,
increased
118%
above
rate.
continuing
loss
indicates
biomass
seriously
compromised
oiling.
perpetuation
remaining
may
set
new
baseline
subsequent
storm
induced
erosional
events.
soils
retain
physical
biological
legacies
compromising
recovery
more
decade
be
evident
other
habitats
subject
stressors.
iScience,
Journal Year:
2023,
Volume and Issue:
26(6), P. 106858 - 106858
Published: May 11, 2023
Many
coastal
communities
in
developing
countries
depend
on
mangrove
ecosystem
services
(ES).
A
combination
of
anthropogenic
and
environmental
stresses
threatens
mangroves
globally.
This
study
at
the
Ankobra
catchment
Ghana
focused
relation
between
ES
utilization
forest
structure.
Through
vegetation
survey,
we
observed
significant
effects
selective
logging,
branch
cutting,
density
Acrostichum
aureum,
water
stress
tree
stocking
sapling
densities.
We
through
interviews
five
that
about
98%
88%
wood
harvested
are
used
for
fuelwood
construction
respectively.
The
structure
areas
receiving
high
harvesting
pressures
was
less
complex,
with
lower
density,
as
well
seed-bearing
trees
than
less-disturbed
areas.
Existing
regulations
compromised
to
accommodate
needs
surrounding
communities.
Recognizing
these
impacts
is
important
improve
management
decisions,
address
community
needs,
reduce
pressure
mangroves.
Estuarine Coastal and Shelf Science,
Journal Year:
2024,
Volume and Issue:
298, P. 108639 - 108639
Published: Jan. 14, 2024
Coastlines
are
projected
to
face
unprecedented
pressures
over
the
next
century
due
climate
change-induced
changes
in
sea
level,
storm,
wave,
and
tidal
regimes.
This
projection
of
increasing
pressure
is
driving
a
reappraisal
existing
shoreline
management
practices,
with
both
science
policy
calling
for
future
strategies
work
natural
protection
provided
by
coastal
habitats
such
as
salt
marshes.
However,
we
currently
lack
understanding
long-term
ecosystem
dynamics
required
incorporate
these
into
definitive
predictions
risk
relied
on
planning.
Satellite
remote
sensing
has
potential
provide
data
that
could
address
this
knowledge
gap
its
frequent
repeat
times
global
coverage
facilitating
production
high
temporal
frequency
time-series
large
areas.
study
sought
explore
one
largest
plain
estuaries
UK,
Severn
Estuary.
The
Random
Forest
machine
learning
algorithm
was
used
develop
marsh
extents
across
estuary
from
1985
2020
Google
Earth
Engine,
widths
also
extracted
proxy
marshes'
protective
capacity.
These
were
monitored
six
areas
contained
most
significant
estuary.
analysis
revealed
trend
extent
(p
<
0.05),
therefore
protection,
three
period,
validation
testing
finding
an
overall
accuracy
classification
>90%
strong
agreement
found
between
detected
those
previous
surveys.
findings
demonstrate
satellite
combined
valuable
insights
marshes
their
information
can
be
useful
planning
process,
allowing
decision-makers
assess
sustainability
defences
fronted
marshes,
well
them
make
informed
decisions
about
location
restoration
schemes.
The Science of The Total Environment,
Journal Year:
2025,
Volume and Issue:
969, P. 178929 - 178929
Published: Feb. 28, 2025
Despite
exponential
increase
in
global
blue
carbon
studies
over
the
last
decade,
critical
knowledge
gaps
remain
regarding
role
of
drivers
such
as
seascape
connectivity
that
mediate
storage
tropical
saltmarsh
ecosystems.
The
present
study
addresses
this
gap
by
investigating
how
seascape-level
drivers,
specifically
between
ecosystems,
sediment
traits
and
plant
biomass,
influence
stocks,
connected
versus
individual
(Porteresia
coarctata
Myrostachia
wightiana)
meadows.
This
compared
meadows
(adjacent
to
mangroves)
with
across
four
locations
assessed
their
(C)
nitrogen
(N)
content
sediment,
various
C
stocks.
Stable
isotopes
tracers
(13C
15N)
were
used
determine
contribution
from
autochthonous
allochthonous
sources.
Connectivity
resulted
increased
shoot
density,
biomass
1.7-fold
1.5-fold
respectively
than
2.3-fold
higher
Corg
stocks
(sediment
+
biomass)
below
-ground
pool
2
10
%,
whereas
combined
mangrove
leaf
was
7.8
26.8
%
both
species
probably
depending
on
litterfall
organic
matter
trapping
efficiency
these
species.
underscores
positive
mangroves
enhancing