The complex network of trophic interactions in a sub-Antarctic oceanic Marine Protected Area
Marine Ecology Progress Series,
Год журнала:
2024,
Номер
736, С. 1 - 18
Опубликована: Апрель 24, 2024
The
world’s
oceans
designated
under
marine
protection
have
increased
recently.
Most
protected
areas
(MPAs)
target
vulnerable,
keystone,
charismatic,
and/or
endemic
species.
In
the
sub-Antarctic,
ocean
is
associated
with
oceanic
islands,
except
for
MPAs
Namuncurá-Burdwood
Bank
I
and
II
(MPA
N-BB;
~53-55°S,
~56-62°W),
which
are
a
submarine
plateau
southern
deep
slope,
respectively.
We
present
first
analysis
of
predator-prey
network
MPA
N-BB,
applying
topological
approach
to
characterise
complexity
structure
food
web
identify
species’
role.
N-BB
consists
1788
interactions
379
species,
connectance
0.01.
Almost
half
consumers
feed
at
more
than
one
trophic
level
(0.48),
displays
small-world
pattern
(short
path
length,
high
clustering
compartments).
This
suggests
that
ecosystem
might
be
vulnerable
perturbations
targeting
highly
connected
although
some
properties
provide
resilience
resistance,
resulting
in
rearranged
preserves
its
original
functions.
Several
species
arise
as
being
important
functioning
response
perturbations.
Generalist
mainly
fishes,
play
crucial
role
bentho-pelagic
coupling
should
considered
relevant
energy
transfer
agents
ecosystem.
argue
diversity
including
both
benthic
pelagic
habitats,
responsible
securing
connectivity
within
withstand
perturbations,
thereby
contributing
stability
Язык: Английский
Source characterization of dissolved organic matter in the eastern Beagle Channel from a spring situation
Andrea Malits,
Chiara Monforte,
Clara M. Iachetti
и другие.
Journal of Marine Systems,
Год журнала:
2023,
Номер
240, С. 103863 - 103863
Опубликована: Фев. 3, 2023
Язык: Английский
Harpagifer bispinis, but not Patagonotothen tessellata, appears robust to interactive effects of ocean warming and acidification in Southern Patagonia
Marine Environmental Research,
Год журнала:
2025,
Номер
unknown, С. 107123 - 107123
Опубликована: Март 1, 2025
Язык: Английский
Spring plankton energy content by size classes in two contrasting environments of a high latitude ecosystem: The Beagle Channel
Journal of Marine Systems,
Год журнала:
2023,
Номер
240, С. 103876 - 103876
Опубликована: Март 6, 2023
Язык: Английский
Stable isotope spatial patterns for the Southwest Atlantic Ocean towards polar waters
Progress In Oceanography,
Год журнала:
2024,
Номер
229, С. 103337 - 103337
Опубликована: Авг. 26, 2024
Язык: Английский
Rapid change in plankton community structure during spring along the eastern Beagle Channel
Journal of Marine Systems,
Год журнала:
2023,
Номер
241, С. 103906 - 103906
Опубликована: Май 7, 2023
Язык: Английский
Seasonal and spatial variability of vertical particle flux along the Beagle Channel (Southern Patagonia)
Journal of Marine Systems,
Год журнала:
2023,
Номер
241, С. 103913 - 103913
Опубликована: Июнь 21, 2023
Язык: Английский
The Sub-Antarctic Beagle Channel marine ecosystem: A regional and comprehensive sentinel of global change
Journal of Marine Systems,
Год журнала:
2023,
Номер
241, С. 103914 - 103914
Опубликована: Июнь 30, 2023
Язык: Английский
Planktonic and early-stage biofilm microbiota respond contrastingly to thermal discharge-created seawater warming
Ecotoxicology and Environmental Safety,
Год журнала:
2023,
Номер
264, С. 115433 - 115433
Опубликована: Сен. 9, 2023
Thermal-discharges
from
power
plants
highly
disturb
the
biological
communities
of
receiving
water
body
and
understanding
their
influence
is
critical,
given
relevance
to
global
warming.
We
employed
16
S
rRNA
gene
sequencing
examine
response
two
dominant
marine
bacterial
lifestyles
(planktonic
biofilm)
against
elevated
seawater
temperature
(+5
℃).
Obtained
results
demonstrated
that
warming
prompted
high
heterogeneity
in
diversity
composition
planktonic
biofilm
microbiota,
albeit
both
responded
contrastingly.
Alpha
revealed
exhibited
positive
effect
on
microbiota
negative
microbiota.
The
community
shifted
significantly
area,
with
decreased
abundances
Bacteroidetes,
Cyanobacteria,
Actinobacteria.
Contrastingly,
these
groups
opposite
trend
Co-occurrence
networks
displayed
higher
node
co-presence
area.
study
concludes
increasing
ocean
warming,
biofilms
biofouling
management
strategies
will
be
more
challenging.
Язык: Английский