Local human pressures modulate turf sediment loads in a warm-temperate oceanic island
Mar Mourín,
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Iris Barroso,
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Albert Pessarrodona
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et al.
Marine Environmental Research,
Journal Year:
2025,
Volume and Issue:
205, P. 107030 - 107030
Published: Feb. 23, 2025
In
the
Anthropocene,
algal
turfs
are
expected
to
replace
macroalgal
forests
and
coral
cover
as
dominant
benthic
state.
These
turf
seascapes
play
a
key
role
in
regulating
ecosystem
processes
through
sediment
retention,
which
carries
significant
ecological
socio-economic
implications.
However,
our
understanding
of
sediments
trapped
by
on
coastal
reefs,
particularly
oceanic
islands,
remains
limited.
this
study,
we
quantified
seascape
architecture
(algal
composition
mean
height)
properties
(total
particulate
load,
grain
size
distribution,
organic
content)
across
warm-temperate
island.
We
further
decoupled
geomorphological,
anthropogenic,
algae
structural
predictors
explaining
spatial
variation
properties.
Our
results
revealed
loads,
varying
three
orders
magnitude
(∼1
g/m2
2000
g/m2),
while
load
varied
two
100
g/m2).
Human
pressure
were
strongest
highlighting
local
human
stressors
modulating
dynamics
emerging
seascapes.
study
provides
baseline
information
patterns
drivers
critical
area
develop
management
plans
that
target
resilience
core
functions
under
altered
reef
configurations
Anthropocene.
Language: Английский
Monitoring the Effects of a Marine Heatwave on Intertidal Communities Using Photogrammetry
Published: Jan. 1, 2025
Rising
ocean
temperatures
from
climate
change
are
driving
shifts
in
marine
communities,
allowing
thermophilic
species
to
expand
and
alter
local
ecosystems,
like
the
zoantharian
Zoanthus
pulchellus
Canary
Islands.
Yet,
increasing
frequency
of
heatwaves
(MHWs)
may
impact
these
shifting
communities
complex
ways.
In
this
study,
we
used
underwater
3D
photogrammetry
monitor
Z.
associated
benthic
across
intertidal
pools
Punta
del
Hidalgo
(Canary
Islands,
Spain)
over
a
year
(2023–2024)
marked
by
prolonged
MHW.
Results
revealed
10%
decline
substrate
coverage,
with
no
significant
changes
overall
macroalgal
coverages.
However,
there
was
general
trend
turf
erect
macroalgae
spaces
left
retracting
zoanthid
colonies.
These
findings
underscore
vulnerability
extreme
heat
events,
despite
its
nature,
represent
first
application
for
monitoring
communities.
Language: Английский
Changes in biogeographic patterns of coastal fishes: indicators of tropicalization in the Canary Islands over the last 40 years
Marine Environmental Research,
Journal Year:
2025,
Volume and Issue:
205, P. 107002 - 107002
Published: Feb. 9, 2025
Language: Английский
Process-based metrics inform sustainable marine management after a catastrophic natural event
Néstor E. Bosch,
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Sandra Navarro Mayoral,
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Fernando Espino
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et al.
Ecological Indicators,
Journal Year:
2024,
Volume and Issue:
167, P. 112714 - 112714
Published: Oct. 1, 2024
Language: Английский
Mapping marine habitats in a shallow beach-reef environment combining direct methods and hyperspectral remote sensing
José Valdazo,
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Nicolás Ferrer,
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Claudio Vega
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et al.
Ocean & Coastal Management,
Journal Year:
2024,
Volume and Issue:
255, P. 107231 - 107231
Published: June 19, 2024
Language: Английский
Changes in biogeographic patterns of coastal benthic decapods: indicators of tropicalization in the Canary Islands over the last 50 years
Estuarine Coastal and Shelf Science,
Journal Year:
2024,
Volume and Issue:
unknown, P. 108967 - 108967
Published: Sept. 1, 2024
Language: Английский