Global Change Biology,
Journal Year:
2025,
Volume and Issue:
31(3)
Published: March 1, 2025
Climate
change-induced
ocean
warming
can
have
profound
implications
for
marine
ecosystems
and
the
socioeconomic
activities
dependent
on
them,
affecting
catch
composition,
fisheries
revenue.
Our
study
evaluates
spatio-temporal
changes
in
Northwestern
Mediterranean
revenue
composition
tied
to
disentangles
different
underlying
processes.
To
do
so,
we
analyzed
weighted
mean
thermal
affinity
of
(Mean
Temperature
Catch:
MTC)
Revenue:
MTR)
across
taxonomic
groups,
fishing
fleets,
harbors,
using
a
23-year
time
series
commercial
landings.
Results
revealed
with
an
overall
temporal
increase
MTC
(0.68°C
per
decade)
MTR
(0.58°C
linked
local
sea
temperature.
The
both
indices
prevailed
fleets
groups.
processes
underpinning
these
over
were
tropicalization
(i.e.
relative
warm-affinity
species;
41.97%
45.20%
MTR),
deborealization
decrease
cold-affinity
46.58%
44.99%
variability
dimensions.
Deborealization
particularly
influenced
pelagic
purse-seiners
surface
longliners)
some
commercially
important
species
(e.g.
European
hake,
blue
whiting,
Norway
lobster).
Even
if
was
consistent
groups
spatial
dimension
showed
heterogeneity
declines
cases.
In
summary,
our
provides
valuable
information
about
associated
reveals
potential
cascading
effects
through
social-ecological
system.
particular,
presented
approach
first
time,
evidencing
composition.
We
suggest
that
correlation
between
adaptive
capacity,
or
fragility
specific
points
management
priorities.
Journal of Marine Science and Engineering,
Journal Year:
2025,
Volume and Issue:
13(2), P. 260 - 260
Published: Jan. 30, 2025
Marine
environmental
variability
and
climate
change
are
interconnected;
they
the
main
causes
of
fluctuations
in
ecosystems
cyclically
affect
fisheries.
This
work
has
four
goals.
The
first
is
to
present
a
broad
historical
review
international
research
activities
on
fisheries
change,
mainly
European
waters.
We
have
recovered
selection
seminal
scientific
publications
from
1914
1995,
which
aroused
great
interest
among
community
at
that
time,
although
most
these
fallen
into
oblivion
21st
century.
second
goal
intergovernmental
initiatives
marine
1980s
present,
detecting
gaps
lack
unanimity
some
guidelines
organizations.
third
analyze
decadal
warming/cooling
Canary
Current
Upwelling
System
(extending
NW
Iberian
Peninsula
Senegal),
understand
current
rapid
tropicalization
pelagic
benthic
Southern
Atlantic
seas.
fourth
identify
priority
lines
for
future,
including
need
promote
an
retrospective
oceanography
research,
least
last
hundred
years.
Diversity and Distributions,
Journal Year:
2025,
Volume and Issue:
31(2)
Published: Feb. 1, 2025
ABSTRACT
Aim
Ecosystems
are
witnessing
drastic
changes
in
biodiversity
worldwide.
However,
it
is
still
unclear
whether
phylogenetic
diversity—a
measure
of
the
evolutionary
relationships
among
species—reflect
observed
species
richness.
Specifically,
we
ask
local
diversity
correlate
with
richness
and
examine
if
major
taxonomic
groups
show
diverging
trends.
Location
Global.
Methods
We
estimate
how
has
changed
compared
to
there
were
patterns
across
groups.
use
a
database
compiled
assemblage
time
series
from
around
world,
BioTIME.
total
history
(Faith's
diversity;
PD)
as
well
average
relatedness
(mean
pairwise
distance
mean
nearest
taxon
distance;
MPD
MNTD,
respectively)
measures
report
taxon‐level
assemblage‐level
posterior
slope
estimates
Bayesian
hierarchical
model.
trends
four
groups:
fish,
birds,
terrestrial
mammals
plants.
Results
found
strong
evidence
widespread
increases
fish
bird
assemblages,
reflecting
decreases
decrease
mammals,
indicating
opposite.
Conversely,
did
not
find
consistent
directional
change
though
null
included
notable
positive
negative
studies
regions.
also
moderate
that
SR
PD
increasing
while
they
decreasing
mammals.
Main
Conclusions
Our
findings
suggest
composition
significantly
altering
makeup
assemblages
at
scale
overall
diverge
within
potential
drivers
these
but
highlight
our
results
more
generalisable
for
birds
than
plants,
given
variation
geographical
coverage
sample
size.
Global Change Biology,
Journal Year:
2025,
Volume and Issue:
31(3)
Published: March 1, 2025
Climate
change-induced
ocean
warming
can
have
profound
implications
for
marine
ecosystems
and
the
socioeconomic
activities
dependent
on
them,
affecting
catch
composition,
fisheries
revenue.
Our
study
evaluates
spatio-temporal
changes
in
Northwestern
Mediterranean
revenue
composition
tied
to
disentangles
different
underlying
processes.
To
do
so,
we
analyzed
weighted
mean
thermal
affinity
of
(Mean
Temperature
Catch:
MTC)
Revenue:
MTR)
across
taxonomic
groups,
fishing
fleets,
harbors,
using
a
23-year
time
series
commercial
landings.
Results
revealed
with
an
overall
temporal
increase
MTC
(0.68°C
per
decade)
MTR
(0.58°C
linked
local
sea
temperature.
The
both
indices
prevailed
fleets
groups.
processes
underpinning
these
over
were
tropicalization
(i.e.
relative
warm-affinity
species;
41.97%
45.20%
MTR),
deborealization
decrease
cold-affinity
46.58%
44.99%
variability
dimensions.
Deborealization
particularly
influenced
pelagic
purse-seiners
surface
longliners)
some
commercially
important
species
(e.g.
European
hake,
blue
whiting,
Norway
lobster).
Even
if
was
consistent
groups
spatial
dimension
showed
heterogeneity
declines
cases.
In
summary,
our
provides
valuable
information
about
associated
reveals
potential
cascading
effects
through
social-ecological
system.
particular,
presented
approach
first
time,
evidencing
composition.
We
suggest
that
correlation
between
adaptive
capacity,
or
fragility
specific
points
management
priorities.
