Coasts,
Journal Year:
2024,
Volume and Issue:
4(2), P. 323 - 346
Published: May 5, 2024
Large
areas
of
the
Pacific
coast
Americas
remain
unstudied
regarding
their
intertidal
ecosystems.
Given
increasing
disturbance
related
to
human
impacts
on
ecosystems,
it
is
essential
gather
census
data
biological
composition
poorly
studied
regions
so
that
a
framework
for
future
monitoring
and
management
can
be
developed.
Here,
we
synthesize
available
research
communities
along
rim
support
goal
fill
bioregional
gaps
in
knowledge
three
less-studied
Southeast
Alaska
Peru.
A
taxonomic
functional
group
hierarchies
these
should
include
use
various
measures
alpha
beta
diversity
provide
metric
temporal
spatial
comparisons.
narrower-scale
approach
focusing
foundation
species
harbor
algal
invertebrate
serve
as
buffers
against
environmental
stresses
also
conducted.
Conducting
comprehensive
or
will
contribute
better
understanding
response
disturbances
caused
by
oil
spills,
El
Niño
marine
heatwaves
latitudinal
continuum
scientific
about
biodiversity
ecosystem
functioning
rocky
systems
trans-regional
scale.
Earth system science data,
Journal Year:
2024,
Volume and Issue:
16(1), P. 219 - 243
Published: Jan. 11, 2024
Abstract.
Global
trends
of
ocean
warming,
deoxygenation,
and
acidification
are
not
easily
extrapolated
to
coastal
environments.
Local
factors,
including
intricate
hydrodynamics,
high
primary
productivity,
freshwater
inputs,
pollution,
can
exacerbate
or
attenuate
global
produce
complex
mosaics
physiologically
stressful
favorable
conditions
for
organisms.
In
the
California
Current
System
(CCS),
oceanographic
monitoring
programs
document
some
this
complexity;
however,
data
fragmentation
limited
availability
constrain
our
understanding
when
where
intersecting
temperatures,
carbonate
system
conditions,
reduced
oxygen
manifest.
Here,
we
undertake
a
large
synthesis
compile,
format,
quality-control
publicly
available
from
US
West
Coast
create
an
accessible
database
CCS
climate
risk
mapping,
National
Centers
Environmental
Information
(accession
0277984)
at
https://doi.org/10.25921/2vve-fh39
(Kennedy
et
al.,
2023).
With
synthesis,
combine
observations
contributed
by
author
team
synoptic
cruises,
autonomous
sensors,
shore
samples
with
relevance
hypoxia
(OAH)
risk.
This
large-scale
compilation
includes
13.7
million
66
sources
spans
1949
2020.
discuss
quality
composition
synthesized
dataset,
spatial
temporal
distribution
data,
examples
potential
analyses.
dataset
will
provide
valuable
tool
scientists
supporting
policy-
management-relevant
investigations
assessing
regional
local
risk,
evaluating
efficacy
completeness
efforts,
elucidating
spatiotemporal
scales
variability.
bioRxiv (Cold Spring Harbor Laboratory),
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 10, 2024
Abstract
Marine
protected
areas
(MPAs)
can
promote
population
recovery
from
climate
change
impacts
by
reducing
local
stressors,
such
as
fishing.
However,
with
extreme
climatic
events
marine
heatwaves
(MHWs)
increasing
in
frequency
and
duration,
it
remains
unclear
whether
MPAs
enhance
following
these
acute
perturbations,
how
varies
across
species
ecological
traits
(e.g.,
sedentary
vs
mobile
species).
We
used
16
years
(2007-2022)
of
kelp
forest
monitoring
data
Isla
Natividad,
Baja
California
Sur,
Mexico,
to
assess
the
impact
2014-2016
MHWs
on
fish
invertebrate
communities.
Then
we
evaluated
economically
ecologically
important
inside
outside
two
fully
reserves.
found
that
MHWs,
which
were
most
intense
persistent
ever
observed
impacted
invertebrates
but
not
biomass.
reserves
did
confer
resistance
however,
some
after
MHWs.
Inside
reserves,
abalone
(
Haliotis
spp.)
wavy
turban
snail
Megastraea
(benthic
invertebrates)
recovered
pre-heatwave
biomass
spiny
lobster
Panulirus
interruptus
)
invertebrate)
four
years.
Outside
three
years,
while
other
never
recovered.
The
warty
sea
cucumber
Apostichopus
parvimensis
collapsed
nor
reserve.
Remarkably,
had
an
outstanding
sustained
a
5.6-fold
increase
was
over
times
higher
than
reported
Our
analysis
long-term
shows
cannot
prevent
adverse
events.
Benefits
conferred
are
species-specific
may
be
limited
dispersal
localized
dynamics.
Journal of Animal Ecology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 24, 2024
Marine
heatwaves
(MHWs)
are
episodes
of
anomalous
warming
in
the
ocean
that
can
last
from
a
few
days
to
years.
MHWs
have
different
characteristics
terms
intensity,
duration
and
frequency
generate
thermal
stress
marine
ecosystems.
In
reef
ecosystems,
they
one
main
causes
decreased
presence
abundance
corals,
invertebrates
fish.
The
deleterious
capacity
often
depends
on
biotic
factors,
such
as
trophic
control
predators
prey.
Despite
evidence
factors
affecting
individual
species,
combined
effects
both
stressors
entire
ecosystems
much
less
studied.
Here,
using
food
web
modelling
approach,
we
estimated
rate
change
species'
biomass
due
MHW
characteristics.
Specifically,
modelled
mechanistic
link
between
consumption
seawater
temperature
(thermal
stressor),
simulating
dynamics
for
under
assumptions
(top-down,
mixed
bottom-up).
We
find
total
ecosystem
declined
by
10%
±
5%
with
severe
intensity
top-down
assumption.
bottom-up
assumption
moderates
reduction
5%.
Irrespective
assumption,
most
substantial
changes
occur
among
top,
mesopredators
corals
(5%
20%
10%).
show
where
exert
prey
prone
suffer
species
declines
strong
events.
identify
crucial
driver
modulates
impacts
MHWs.
Overall,
our
results
provide
unified
understanding
interplay
abiotic
extreme
events,
offering
insights
into
present
baselines
future
ecological
states
Coasts,
Journal Year:
2024,
Volume and Issue:
4(2), P. 323 - 346
Published: May 5, 2024
Large
areas
of
the
Pacific
coast
Americas
remain
unstudied
regarding
their
intertidal
ecosystems.
Given
increasing
disturbance
related
to
human
impacts
on
ecosystems,
it
is
essential
gather
census
data
biological
composition
poorly
studied
regions
so
that
a
framework
for
future
monitoring
and
management
can
be
developed.
Here,
we
synthesize
available
research
communities
along
rim
support
goal
fill
bioregional
gaps
in
knowledge
three
less-studied
Southeast
Alaska
Peru.
A
taxonomic
functional
group
hierarchies
these
should
include
use
various
measures
alpha
beta
diversity
provide
metric
temporal
spatial
comparisons.
narrower-scale
approach
focusing
foundation
species
harbor
algal
invertebrate
serve
as
buffers
against
environmental
stresses
also
conducted.
Conducting
comprehensive
or
will
contribute
better
understanding
response
disturbances
caused
by
oil
spills,
El
Niño
marine
heatwaves
latitudinal
continuum
scientific
about
biodiversity
ecosystem
functioning
rocky
systems
trans-regional
scale.