Estuaries and Coasts,
Journal Year:
2024,
Volume and Issue:
47(7), P. 1955 - 1971
Published: Jan. 19, 2024
Abstract
Coastal
wetlands
surrounding
urban
environments
provide
many
important
ecosystem
services
including
protection
from
coastal
erosion,
soil
carbon
sequestration
and
habitat
for
marine
terrestrial
fauna.
Their
persistence
with
sea-level
rise
depends
upon
their
capacity
to
increase
surface
elevation
at
a
rate
comparable
the
of
rise.
Both
sediment
organic
matter
plant
growth
contribute
gains
in
elevation,
but
importance
these
components
varies
among
sites
variation
climate
over
long
time
scales,
which
monitoring
is
seldom
available.
Here,
we
analysed
accretion
mangrove
tree
15
years
Moreton
Bay,
Queensland,
Australia,
period
that
spans
El
Niño/La
Niña
(ENSO)
cycle,
strongly
influences
rainfall
sea
level
region.
Piecewise
structural
equation
models
were
used
assess
effects
biotic
(tree
growth,
cover
bioturbation
by
invertebrates)
environmental
factors
on
annual
increments
throughout
this
period.
Our
model
mangroves
identified
both
positively
influenced
rainfall,
was
not,
thus,
higher
levels
compaction
profile
high
rainfall/high
inferred.
In
contrast,
our
saltmarsh
found
gains.
Declines
species
composition
mangrove,
loss
occurring
forests
dominated
Avicennia
marina
compared
those
proportion
Rhizophora
stylosa
.
Decadal-scale
ENSO
affected
trends
more
conditions
than
although
(mangrove
bioturbation)
observed.
Further
research
into
tipping
points
extreme
events
(either
La
or
Niño
low
levels)
will
help
clarify
future
distribution
within
Bay.
Scientific Data,
Journal Year:
2023,
Volume and Issue:
10(1)
Published: Nov. 11, 2023
Tidal
marshes
store
large
amounts
of
organic
carbon
in
their
soils.
Field
data
quantifying
soil
(SOC)
stocks
provide
an
important
resource
for
researchers,
natural
managers,
and
policy-makers
working
towards
the
protection,
restoration,
valuation
these
ecosystems.
We
collated
a
global
dataset
tidal
marsh
(MarSOC)
from
99
studies
that
includes
location,
depth,
site
name,
dry
bulk
density,
SOC,
and/or
matter
(SOM).
The
MarSOC
17,454
points
2,329
unique
locations,
29
countries.
generated
general
transfer
function
conversion
SOM
to
SOC.
Using
this
we
estimated
median
(±
absolute
deviation)
value
79.2
±
38.1
Mg
SOC
ha-1
top
30
cm
231
134
1
m
soils
globally.
This
can
serve
as
basis
future
work,
may
contribute
incorporation
ecosystems
into
climate
change
mitigation
adaptation
strategies
policies.
Science Advances,
Journal Year:
2024,
Volume and Issue:
10(27)
Published: July 5, 2024
Mangroves'
ability
to
store
carbon
(C)
has
long
been
recognized,
but
little
is
known
about
whether
planted
mangroves
can
C
as
efficiently
naturally
established
(i.e.,
intact)
stands
and
in
which
time
frame.
Through
Bayesian
logistic
models
compiled
from
40
years
of
data
built
684
mangrove
worldwide,
we
found
that
biomass
stock
culminated
at
71
73%
intact
~20
after
planting.
Furthermore,
prioritizing
mixed-species
planting
including
Journal of Geophysical Research Biogeosciences,
Journal Year:
2018,
Volume and Issue:
123(5), P. 1498 - 1510
Published: April 12, 2018
Abstract
Anthropogenic
sea
level
rise
(SLR)
presents
one
of
the
greatest
risks
to
human
lives
and
infrastructures.
Coastal
vegetated
ecosystems,
that
is,
tidal
marshes,
seagrass
meadows,
mangrove
forests,
elevate
seabed
through
soil
accretion,
providing
a
natural
coastline
protection
against
SLR.
The
accretion
these
ecosystems
has
never
been
assessed
in
hot
desert
climate
regions,
where
water
runoff
is
negligible.
However,
tropical
marine
are
areas
intense
calcification
may
constitute
an
important
source
sediment
supporting
elevation,
compensating
for
lack
terrestrial
inputs.
We
estimated
long‐term
(
14
C‐centennial)
short‐term
210
Pb‐20th
century)
rates
(SARs)
inorganic
carbon
(C
inorg
)
burial
coastal
Saudi
coasts
central
Red
Sea
Arabian
Gulf.
Short‐term
SARs
(±SE)
mangroves
(0.27
±
0.22
cm/year)
were
twofold
SLR
region
since
1925
(0.13
cm/year).
In
Gulf,
only
forest
SAR
equivalent
local
estimates
period
1979–2007
(0.21
0.09
compared
0.05
cm/year,
respectively).
Long‐term
comparable
or
higher
than
global
late
Holocene
(0.01
all
habitats
supported
by
high
carbonate
rates,
comprising
40%
60%
volume.
Further
studies
on
role
carbonates
required
understand
their
adaptation
Frontiers in Marine Science,
Journal Year:
2020,
Volume and Issue:
7
Published: June 11, 2020
Blue
carbon
ecosystems
(including
saltmarsh,
mangrove,
seagrass
meadows,
and
other
soft
sediment
habitats)
play
a
valuable
role
in
aquatic
dynamics
contribute
significantly
to
global
climate
change
mitigation.
However,
these
habitats
are
undergoing
rapid
accelerating
shifts
extent
due
anthropogenic
impactsstressors.
Here,
we
demonstrate
that
blue
stocks
vary
across
cross-habitat
subsidies
of
stocks.
Using
case
study
estuary
from
New
Zealand,
organic
above
ground
biomass
100
cm
varied
between
habitat
types,
saltmarsh
(90
t
ha-1),
mangrove
(46
(27
ha-1)
unvegetated
(26
ha-1).
Despite
being
typically
overlooked
literature,
contained
the
majority
estuarine
when
adjusted
for
their
large
within
(occupying
68.4%
area
containing
57%
stocks).
When
were
further
refined
based
on
δ13C
δ15N
mixing
model
results,
coastal
vegetation
(saltmarsh,
seagrass)
was
found
provide
important
exchanges
throughout
estuary,
including
contributing
an
estimated
41%
sediments,
51%
total
stock
(yet
occupying
only
31.6%
estuary).
Given
connected
nature
findings
illustrate
importance
considering
contribution
cross
both
vegetated
estuaries.
This
provides
critical
context
assessing
impact
distributions
impacts
stressors.
Journal of the Indian Ocean Region,
Journal Year:
2019,
Volume and Issue:
15(2), P. 177 - 192
Published: April 22, 2019
There
has
been
a
growing
interest
in
restoring
mangroves
to
reduce
and
offset
carbon
(C)
emissions,
but
it
is
still
unknown
whether
restored
provide
'blue
carbon'
services
similar
natural
ones.
This
study
aimed
determine
if
10
year-old
abandoned
aquaculture
ponds
Perancak
Estuary,
Bali
have
net
primary
productivity
(NPP)
C
sequestration
those
of
intact
mangroves.
Tidal
re-instatement
the
occurred
facilitated
mangrove
regeneration
sediment
accumulation.
We
found
that
NPP
were
between
Soil
was
mangroves,
soil
respiration
(CO2
efflux)
lower.
The
source
sediments
mainly
origin,
confirming
role
sequestration.
suggest
many
components
cycle
within
years
since
reestablishment
mangrove.