Abstract.
Mathematical
models
that
couple
human
behaviour
to
environmental
processes
can
offer
valuable
insights
into
how
affects
various
types
of
ecological,
climate
and
epidemiological
systems.
In
many
coupled
systems,
gradual
changes
the
system
lead
abrupt
tipping
points
in
overall
system,
leading
desirable
or
undesirable
new
human-environment
states.
We
review
aspects
behaviour–such
as
social
norms
rates
change–that
drive
modelling
literature,
finding
affect
depending
on
type
initial
conditions.
Structural
components
often
represented
through
networks,
are
discussed
with
studies
showing
high
structural
complexity
increases
potential
for
points.
Traditional
state-of-the-art
techniques
early
warning
signals
introduced
relation
drivers
previous
sections.
conclude
an
outline
challenges
promising
future
directions
specific
furthering
our
understanding
informing
policy
interventions
around
promoting
sustainability
within
Philosophical Transactions of the Royal Society B Biological Sciences,
Journal Year:
2022,
Volume and Issue:
377(1857)
Published: June 27, 2022
Humans
and
the
environment
form
a
single
complex
system
where
humans
not
only
influence
ecosystems
but
also
react
to
them.
Despite
this,
there
are
far
fewer
coupled
human–environment
(CHES)
mathematical
models
than
of
uncoupled
ecosystems.
We
argue
that
these
essential
understand
impacts
social
interventions
their
potential
avoid
catastrophic
environmental
events
support
sustainable
trajectories
on
multi-decadal
timescales.
A
brief
history
CHES
modelling
is
presented,
followed
by
review
spanning
recent
systems
including
forests
land
use,
coral
reefs
fishing
climate
change
mitigation.
The
ability
capture
dynamic
two-way
feedback
confers
advantages,
such
as
represent
ecosystem
dynamics
more
realistically
at
longer
timescales,
allowing
insights
cannot
be
generated
using
ecological
models.
discuss
examples
key
from
research.
However,
this
strength
brings
with
it
challenges
model
complexity
tractability,
need
for
appropriate
data
parameterize
validate
Finally,
we
suggest
opportunities
improve
sustainability
in
future
research
topics
natural
disturbances,
structure,
media
data,
discovery
early
warning
signals.
This
article
part
theme
issue
‘Ecological
biosphere:
next
30
years’.
Sustainability,
Journal Year:
2022,
Volume and Issue:
14(14), P. 8831 - 8831
Published: July 19, 2022
In
Pakistan,
the
fisheries
sector
is
capable
of
making
a
significant
contribution
to
national
economy.
However,
proper
and
sustainable
development
this
essential
its
success,
we
need
be
aware
all
risks
that
it
faces.
At
present,
there
dearth
comprehensive
research
details,
compares,
proposes
applied
measures
mitigate
facing
sector.
Thus,
study
first
novel
attempt
fill
gap.
The
data
were
collected
through
survey
analyzed
by
multi-criteria
decision
analysis
(MCDA).
postulates
Sindh
are
affected
five
main
risk
factors,
namely
technical,
market,
ecological,
natural,
management.
These
factors
arranged
from
least
most
significant.
With
regard
performances
management
was
ranked
as
greatest
risk,
followed
ecological
natural
technical
risk.
findings
provide
road
map
for
managerial
decisions.
Furthermore,
also
presents
some
potential
limitations
related
scale
methods.
Future
studies
may
therefore
use
on
large
alternative
quantitative
approaches.
Biology,
Journal Year:
2023,
Volume and Issue:
12(8), P. 1062 - 1062
Published: July 28, 2023
Yongle
Atoll
was
the
largest
atoll
in
Xisha
Islands
of
South
China
Sea,
and
it
a
coral
reef
ecosystem
with
important
ecological
economic
values.
In
order
to
better
protect
manage
fish
resources
Atoll,
we
analyzed
field
survey
data
from
artisanal
fishery,
catches,
underwater
video
2020
2022
combined
historical
research
explore
changes
species
composition
community
structure
over
past
50
years.
The
results
showed
that
total
336
were
found
on
belonging
17
orders
60
families.
Among
them,
Perciformes
had
most
259
accounting
for
77.08%
number
species.
exponentially
correlated
its
corresponding
maximum
length
significantly
decreases
increase.
changed,
proportion
large
carnivorous
decreased
significantly,
while
small-sized
medium-sized
increased.
At
same
time,
has
18
listed
IUCN
Red
List,
15
which
are
fish.
average
taxonomic
distinctness
(Delta+,
Δ+)
variation
(Lambda+,
Λ+)
2020–2022
lower
than
data,
orders,
families,
genera
indicates
current
have
closer
relatives
higher
uniformity.
addition,
similarity
relatively
low
at
various
time
periods,
further
proving
undergone
significant
variation.
general,
due
multiple
impacts,
such
as
overfishing,
fishing
methods,
environmental
changes,
habitat
degradation,
may
basically
evolved
herbivorous,
small
fish,
complexity
simplicity,
leaving
an
unstable
state.
Therefore,
need
strengthen
continuous
monitoring
achieve
protection
restoration
environment
fishery
resources,
well
sustainable
utilization
management.
Rare,
but
potentially
impactful,
extreme
events
in
socio-ecological
systems
(SES)
can
trigger
significant
consequences.
The
scarcity
of
theoretical
frameworks
for
such
SES
is
due
to
data
limitations
and
difficulty
building
coupled
models.
We
explore
the
effect
on
using
two
stylized
case
studies:
harvesting
old-growth
forests
coral
reef
fisheries.
found
that
alter
long-term
transient
dynamics
systems.
identify
counter-intuitive
situations
where
degradation
or
habitat
prevent
extinction
through
social
feedback.
Management
outcomes
show
maximum
variability
at
intermediate
disturbance
frequencies,
complicating
predictions
ecological
recovery.
also
initial
conditions
significantly
influence
system
responses
shocks.
Lastly,
we
shocks
subsystem
had
far
greater
consequences
than
those
occurred
side.
Our
work
lays
a
foundation
future
studies
dynamics,
highlighting
complexities
predicting
IOP Conference Series Earth and Environmental Science,
Journal Year:
2024,
Volume and Issue:
1350(1), P. 012019 - 012019
Published: June 1, 2024
Abstract
Despite
coral
reefs
being
one
of
the
main
attractions
for
marine
tourism
activities,
these
activities
are
also
factor
causing
damage.
To
preserve
and
overcome
damage
to
reefs,
rehabilitation
involving
community
tourists
should
be
attempted.
This
research
studies
locals’
tourists’
participation
involvement
in
reef
on
Pramuka
Island
Pari
Island.
The
results
show
that
level
local
is
generally
moderate,
while
Island,
high.
locals
predominantly
participate
form
ideas
(46,91%)
involved
implementing
(59,64%).
On
more
diverse;
it
comes
labor
(69,47%),
time
(57,72%),
skills
(59,47%),
(68,95%)
benefiting
from
(64,74%).
productive
age
group
dominates
active
dominated
by
young
people.
In
general,
tourist
both
locations
still
minimal.
Thus,
efforts
develop
must
focus
people
emphasizing
various
aspects.
Meanwhile,
involve
communities
integrate
them
with
existing
communities.
Tourist
can
integrated
two
locations.
Israeli Journal of Aquaculture - Bamidgeh,
Journal Year:
2024,
Volume and Issue:
76(3)
Published: Aug. 30, 2024
To
address
issues
such
as
insufficient
fishing
vessel
data
records,
low
energy
efficiency,
and
high
emissions,
this
study
constructs
validates
a
predictive
model
for
the
maximum
power
limitation
of
vessels.
Using
gillnet
vessels
case
study,
Energy
Efficiency
Existing
Ship
Index
(EEXI)
reference
line
formula
is
fitted
using
nonlinear
least
squares
method.
Sensitivity
analysis
reveals
power’s
impact
on
vessels’
efficiency.
The
calculation
method
derived
by
combining
EEXI
formula,
power-speed
relationship.
Three
regression
prediction
models—Decision
Tree,
Random
Forest,
Gradient
Boosting—are
used
to
construct
models
with
gross
tonnage,
length
between
perpendiculars,
tonnage
perpendiculars
inputs,
respectively.
Results
show
that
significantly
impacts
efficiency
has
MAE,
MSE,
MAPE,
RMSE,
R^2
values
13.3518,
369.5200,
18%,
19.2229,
0.6366,
Forest
input
performs
best
in
predicting
vessels,
5.61423,
6152.40982,
1.90888%,
78.43730,
0.633062393,
This
paper
provides
reliable
offering
systematic
technical
support
decision-making
references
limiting
Abstract.
Mathematical
models
that
couple
human
behaviour
to
environmental
processes
can
offer
valuable
insights
into
how
affects
various
types
of
ecological,
climate
and
epidemiological
systems.
In
many
coupled
systems,
gradual
changes
the
system
lead
abrupt
tipping
points
in
overall
system,
leading
desirable
or
undesirable
new
human-environment
states.
We
review
aspects
behaviour–such
as
social
norms
rates
change–that
drive
modelling
literature,
finding
affect
depending
on
type
initial
conditions.
Structural
components
often
represented
through
networks,
are
discussed
with
studies
showing
high
structural
complexity
increases
potential
for
points.
Traditional
state-of-the-art
techniques
early
warning
signals
introduced
relation
drivers
previous
sections.
conclude
an
outline
challenges
promising
future
directions
specific
furthering
our
understanding
informing
policy
interventions
around
promoting
sustainability
within
