Ecological Indicators,
Journal Year:
2022,
Volume and Issue:
143, P. 109292 - 109292
Published: Sept. 12, 2022
Lagoonal
mangrove
ecosystems
are
vital
for
carbon
capture,
protection
of
coastlines
and
conservation
biodiversity.
Yet,
they
decreasing
globally
at
a
higher
rate
than
other
ecosystems.
In
addition
to
human
drivers,
local
environmental
factors
influence
the
functioning
lagoonal
ecosystems,
but
their
importance
combined
effects
relatively
unknown.
Here,
we
investigate
drivers
functioning,
approximated
by
aboveground
biomass
(AGB),
in
protected
ecosystem
on
Aldabra
Atoll,
Seychelles.
Based
survey
forest
structure
54
plots,
estimated
that
mean
AGB
was
82
±
13
Mg
ha−1.
The
total
area
(1720
ha)
nearly
140,600
Mg,
equivalent
about
66,100
stored
standing
Aldabra.
To
assess
direct
indirect
soil
nutrient
content,
water
level
variation
salinity
AGB,
used
structural
equation
model.
Our
model
explained
%
AGB.
content
(concentration
essential
macronutrients
column)
had
greatest
variation.
Additionally,
high
(change
depth
covering
location)
increased
increasing
levels.
results
highlight
important
contribution
Aldabra's
Seychelles'
storage
role
hydroperiod
as
regulator
controlling
availability
crucial
nutrients
needed
mangroves
within
systems.
We
suggest
managers
worldwide
focus
holistic
ecosystem-level
perspective
successful
conservation,
including
maintenance
cycling
hydrological
processes.
Conservation Letters,
Journal Year:
2024,
Volume and Issue:
17(3)
Published: May 1, 2024
Abstract
The
international
community
set
a
global
conservation
target
to
protect
at
least
30%
of
the
ocean
by
2030
(“30
×
30”)
reverse
biodiversity
loss,
including
through
marine
protected
areas
(MPAs).
However,
varied
MPAs
result
in
significantly
different
outcomes,
making
MPA
coverage
alone
an
inadequate
metric.
We
used
Guide
framework
assess
world's
largest
100
area,
representing
nearly
90%
reported
and
7.3%
analyzed
distribution
quality
across
political
ecological
regions.
A
quarter
assessed
is
not
implemented,
one‐third
incompatible
with
nature.
Two
factors
contribute
this
outcome:
(1)
many
lack
regulations
or
management,
(2)
some
allow
high‐impact
activities.
Fully
highly
account
for
area
but
are
unevenly
distributed
ecoregions
part
because
nations
have
designated
large,
their
overseas
remote
territories.
Indicators
quality,
only
coverage,
needed
ensure
network
that
covers
effectively
safeguards
representative
ecosystems
from
destructive
human
Global Ecology and Biogeography,
Journal Year:
2022,
Volume and Issue:
31(4), P. 636 - 648
Published: Jan. 17, 2022
Abstract
Aim
Marine
forests
of
brown
macroalgae
create
essential
habitats
for
coastal
species
and
support
invaluable
ecological
services.
Here,
we
provide
the
first
global
analysis
richness
endemicity
both
kelp
fucoid
biomes.
Location
Global.
Time
period
Contemporary.
Major
taxa
studied
macroalgae,
formed
by
(here
defined
as
orders
Laminariales,
Tilopteridales
Desmarestiales)
(order
Fucales),
inhabiting
subtidal
intertidal
environments.
Methods
We
coupled
a
large
dataset
macroalgal
observations
(420
species,
1.01
million
records)
with
high‐resolution
relevant
environmental
predictors
(i.e.,
light,
temperature,
salinity,
nitrate,
wave
energy
ice
coverage)
to
develop
stacked
distribution
models
(stacked
SDMs)
yield
estimates
endemicity.
Results
Temperature
light
were
main
shaping
whereas
energy,
temperature
salinity
species.
The
highest
regional
was
found
in
north‐east
Pacific
(maximum
32
species)
fucoids
south‐east
Australia
53
species),
supporting
hypothesis
that
these
regions
evolutionary
sources
colonization
macroalgae.
Locations
low
coincided
between
fucoid,
occurring
mainly
at
higher
latitudes
(e.g.,
Siberia)
Baltic
Sea,
where
extensive
coverage
low‐salinity
regimes
prevail.
Regions
high
endemism
groups
identified
Galapagos
Islands,
Antarctica,
South
Africa
East
Russia.
Main
conclusions
estimated
drivers
limits
marine
mapped
biogeographical
centres
endemicity,
which
largely
expectation
from
previous
hypotheses.
biodiversity
patterns
can
serve
new
baselines
planning
prioritizing
locations
conservation,
management
climate
change
mitigation
strategies,
flagging
threatened
forest
under
different
scenarios.
Global Ecology and Conservation,
Journal Year:
2021,
Volume and Issue:
28, P. e01684 - e01684
Published: June 16, 2021
Mangroves,
seagrasses,
and
coral
reefs
interact
in
tropical
regions
throughout
the
world.
These
ecosystems
exhibit
strong
synergies,
as
health
of
each
ecosystem
supports
functioning
adjacent
habitats.
We
present
a
global
spatial
analysis
mangrove,
seagrass,
reef
communities,
identifying
where
these
habitats
co-occur.
While
only
an
estimated
18%
interaction
zones
are
covered
by
protected
areas,
boundaries
between
mangroves,
represent
areas
high
conservation
efficiency,
benefits
amplify
synergistically
land-sea
jointly
managed.
discuss
four
types
efficiencies
coastal
ecosystems:
(1)
increased
resistance
to
disturbance
through
inter-ecosystem
feedbacks,
(2)
biodiversity
within
small
geographic
(3)
habitat
portfolio
effects
giving
rise
climate
refugia,
(4)
synergistic
services,
building
one
service
inherently
increases
others.
Given
benefits,
campaigns
expand
marine
terrestrial
protection
should
focus
on
tightly
connective
interface
reefs,
order
more
efficiently
build
resilience
Ecological Applications,
Journal Year:
2023,
Volume and Issue:
33(4)
Published: March 22, 2023
Abstract
Climate
change
is
already
having
profound
effects
on
biodiversity,
but
climate
adaptation
has
yet
to
be
fully
incorporated
into
area‐based
management
tools
used
conserve
such
as
protected
areas.
One
main
obstacle
the
lack
of
consensus
regarding
how
impacts
can
included
in
spatial
conservation
plans.
We
propose
a
climate‐smart
framework
that
prioritizes
protection
refugia—areas
low
exposure
and
high
biodiversity
retention—using
metrics.
explore
four
aspects
planning:
(1)
model
ensembles;
(2)
multiple
emission
scenarios;
(3)
metrics;
(4)
approaches
identifying
refugia.
illustrate
this
Western
Pacific
Ocean,
it
equally
applicable
terrestrial
systems.
found
all
planning
considered
affected
configuration
The
choice
metrics
refugia
have
large
resulting
plans,
whereas
models
scenarios
smaller
effects.
As
plans
depended
used,
plan
based
single
measure
(e.g.,
warming)
will
not
necessarily
robust
against
other
measures
ocean
acidification).
therefore
recommend
using
most
relevant
for
region
or
drivers.
To
include
uncertainty
associated
with
different
futures,
we
(i.e.,
an
ensemble)
scenarios.
Finally,
show
identify
feature
trade‐offs
between:
degree
which
they
are
climate‐smart,
their
efficiency
meeting
targets.
Hence,
approach
depend
relative
value
stakeholders
place
adaptation.
By
framework,
areas
designed
improved
longevity
thus
safeguard
current
future
change.
hope
proposed
helps
transition
toward
approaches.