In
recent
decades,
mangrove
wetlands
globally
have
suffered
from
human
activities
and
climate
change,
leading
to
issues
like
area
reduction,
degraded
ecological
functions
declining
biodiversity.
Restoration
efforts,
primarily
through
afforestation
(i.e.
plantation
in
mudflats),
been
widespread,
yet
they
often
overlook
the
significance
of
unvegetated
mudflats.
addition,
under
condition
that
total
suitable
mudflats
is
limited,
problem
what
threshold
forest
better
protect
biodiversity
has
not
solved.
Therefore,
this
study
conducted
a
field
survey
molluscs
Hainan
Island,
explored
relative
importance
taxonomic
alpha
diversity
functional
diversity.
The
results
showed
that:
(1)
Mollusc
abundance
were
notably
higher
than
forests,
species
richness,
richness
vulnerability
significantly
lower
those
forests;
(2)
mainly
affected
by
sediment
properties
(pH,
interstitial
water
salinity,
median
diameter,
nitrogen,
C/N
ratio)
,
while
influenced
vegetation
structure
(plant
density);
(3)
Retaining
at
least
20%
mudflat
could
well
wetlands.
To
our
knowledge,
first
propose
proportion
forests
on
basis
benthic
biodiversity,
providing
theoretical
support
decision-making
reference
for
protection
restoration.
The Science of The Total Environment,
Год журнала:
2025,
Номер
980, С. 179500 - 179500
Опубликована: Май 2, 2025
Coastal
managers
continue
to
be
confronted
with
making
management
decisions
few
data
available
and
insight
of
the
outcomes.
Practical
tools
that
can
used
inform
on
effects
different
scenarios
changes
are
particularly
important
assist
decision-making.
This
study
has
applied
a
Bayesian
Belief
Network
(BBN)
investigate
contrasting
Sea
Level
Rise
(SLR)
reduction
in
tidal
inundation
tropical
wetland
mosaic
including
saltmarshes,
mangroves,
intertidal
mudflats.
We
investigated:
1)
habitability
site
for
vegetation
under
associated
inundation;
2)
probability
ecological
values
export
crab
zoea
blue
carbon
supported
scenarios.
The
highlights
that,
without
ability
adjust
future
SLR
scenarios,
saltmarshes
here
likely
lost
open
water,
scenario
0.8
m
SLR.
Tidal
decreased
mangrove
cover
but
increased
terrestrial
subtidal
herbaceous
saltmarshes.
is
positively
affect
value
decreases
likelihood
holding
high
zoeae
saltmarsh
areas.
In
contrast,
declined
both
values.
findings
highlight
importance
"whole-of-system"
approach
assessing
inundation.
Focusing
only
one
habitat
single
targeted
may
structure
functions
other
components
coastal
ecosystem
mosaic.
BBNs
useful
summarise
preliminary
assessments
potential
ecosystems,
which
make
most
informed
decision
conserve
restore
transitional
Conservation Biology,
Год журнала:
2023,
Номер
38(1)
Опубликована: Авг. 8, 2023
Abstract
Understanding
species
distribution
patterns
and
what
determines
them
is
critical
for
effective
conservation
planning
management.
In
the
case
of
shorebirds
migrating
along
East
Asian‐Australasian
Flyway
(EAAF),
loss
stopover
habitat
in
Yellow
Sea
region
thought
to
be
primary
reason
precipitous
population
declines.
However,
rates
decline
vary
considerably
among
species,
it
remains
unclear
how
such
differences
could
arise
within
a
group
closely
related
using
apparently
similar
habitats
at
same
locales.
We
mapped
spatial
distributions
foraging
shorebirds,
as
well
biotic
(benthic
invertebrates
consumed
by
shorebirds)
abiotic
(sediment
characteristics)
environmental
factors,
key
site
eastern
China.
Five
six
sediment
characteristics
showed
significant
variation
with
respect
distance
shoreline
or
from
seawall
tidal
flat.
The
biomasses
four
most
abundant
benthic
were
concentrated
upper
middle
zones
all
three
focal
shorebird
on
flat
best
explained
jointly
this
heterogeneity
invertebrate
prey.
These
results
suggest
that
flats
Sea,
which
typically
zones,
may
not
only
reduce
overall
amount
staging
habitat,
but
also
disproportionately
affect
resource‐rich
portions
birds.
Effective
areas
EAAF
likely
elsewhere
must
consider
subtle
characterizes
these
flats,
prioritizing
protection
those
richest
food
resources,
frequently
used
bird
vulnerable
anthropogenic
threats.
Article
impact
statement
:
Heterogeneity
factors
considered
planning.
Global Ecology and Conservation,
Год журнала:
2023,
Номер
42, С. e02402 - e02402
Опубликована: Фев. 9, 2023
Although
several
countries
along
the
East
Asian-Australasian
Flyway
have
recently
begun
reporting
population
trends
and
identifying
threats
to
migratory
waterbirds,
there
remains
rather
sparse
geographical
coverage
of
systematic
waterbird
monitoring,
impeding
our
understanding
flyway-wide
status
populations.
To
fill
this
gap,
we
used
data
from
a
nationwide
citizen
science
project,
"Taiwan
New
Year
Bird
Count''
examine
recent
31
species
across
Taiwan,
within
three
its
hotspot
regions,
between
2014
2021.
Island-wide,
abundance
two
declined
significantly
while
five
increased.
However,
was
substantial
heterogeneity
in
among
with
nine
declining
Yi-Lan,
four
Chang-Hua
one
Chia-Nan.
Conversely,
11
increased
Chia-Nan,
Chang-Hua,
but
no
Yi-Lan.
This
suggests
that
combination
local
remote
factors
is
driving
change
Taiwanese
waterbirds.
Moreover,
use
rice
paddies
or
are
dependent
on
tidal
flats
around
Yellow
Sea
were
more
likely
show
declines,
those
able
aquacultural
wetlands
showed
growth.
These
results
suggest
paddy
loss
habitat
been
contributing
declines
wetlands.
Our
findings
land
planning
policies
Taiwan
as
well
mitigation
flat
be
complementary
safeguarding
future
waterbirds
Taiwan.
Restoration Ecology,
Год журнала:
2023,
Номер
31(8)
Опубликована: Июнь 28, 2023
Coastal
engineering
poses
a
significant
threat
to
the
survival
of
migratory
waterbirds
worldwide.
However,
mechanisms
through
which
affects
are
still
unclear.
To
gain
better
understanding
this
issue,
we
conducted
three‐year
survey
on
Shanxinsha
Island,
underwent
restoration
engineering,
along
East
Asian–Australasian
Flyway.
We
compared
seasonal
change
among
different
species
groups
and
after
island
engineering.
observed
total
monthly
maximum
count
118,506
individuals
from
61
waterbird
over
span
38
months,
including
eight
globally
threatened
five
that
exceeded
1%
flyway
population.
Throughout
periods,
average
number
small
shorebirds
during
migrating
season
decreased
by
52.7
48.6%,
respectively.
The
massive
loss
high‐tide
roosting
areas
was
primary
factor
contributing
decline.
combined
effects
increased
vegetation
deeper
water
levels
resulted
in
38.8%
reduction
exposed
tidal
flat
area,
as
determined
land
cover
verification
fractional
calculations.
While
tourism
activities
exhibited
fewer
negative
consequences
they
had
greater
impact
breeding
shorebirds.
Our
study
showed
were
particularly
susceptible
whereas
large
swimming
birds
more
flexible
their
use
or
foraging
sites.
suggest
future
coastal
requires
detailed
assessment
monitoring,
especially
for
Ecology and Evolution,
Год журнала:
2024,
Номер
14(9)
Опубликована: Сен. 1, 2024
In
recent
decades,
mangrove
wetlands
globally
have
suffered
from
human
activities
and
climate
change,
leading
to
issues
like
area
reduction,
degraded
ecological
functions
declining
biodiversity.
Restoration
efforts,
primarily
through
afforestation
(i.e.
plantation
in
mudflats),
been
widespread,
yet
they
often
overlook
the
significance
of
unvegetated
mudflats.
addition,
under
condition
that
total
suitable
mudflats
is
limited,
problem
what
threshold
forests
better
protect
biodiversity
has
not
solved.
Therefore,
this
study
conducted
a
field
survey
molluscs
Hainan
Island
China
explored
relative
importance
mangroves
taxonomic
alpha
diversity
functional
diversity.
The
results
showed
(1)
mollusc
abundance
was
notably
higher
than
forests,
species
richness,
richness
vulnerability
were
significantly
lower
those
forests;
(2)
mainly
affected
by
sediment
properties
(pH,
interstitial
water
salinity,
median
diameter,
nitrogen,
C/N
ratio),
while
influenced
vegetation
structure
(plant
density);
(3)
retaining
at
least
20%
mudflat
could
well
wetlands.
To
our
knowledge,
first
propose
proportion
on
basis
benthic
biodiversity,
providing
theoretical
support
decision-making
reference
for
protection
restoration.
