Uncertainty about predation risk: a conceptual review
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Journal Year:
2023,
Volume and Issue:
99(1), P. 238 - 252
Published: Oct. 15, 2023
ABSTRACT
Uncertainty
has
long
been
of
interest
to
economists
and
psychologists
more
recently
gained
attention
among
ecologists.
In
the
ecological
world,
animals
must
regularly
make
decisions
related
finding
resources
avoiding
threats.
Here,
we
describe
uncertainty
as
a
perceptual
phenomenon
decision‐makers,
focus
specifically
on
functional
ecology
such
regarding
predation
risk.
Like
all
uncertainty,
about
risk
reflects
informational
limitations.
When
cues
are
available,
they
may
be
novel
(i.e.
unknown
information),
incomplete,
unreliable,
overly
abundant
complex,
or
conflicting.
We
review
recent
studies
that
have
used
these
limitations
induce
These
typically
either
over‐responses
novelty
neophobia)
memory
attenuation
proxies
for
measuring
uncertainty.
Because
changes
in
environment,
particularly
unpredictable
changes,
drive
limitations,
assessing
variance
spatio‐temporal
risk,
intensity
predator
encounter
rate,
diversity.
also
highlight
anthropogenic
within
habitats
likely
dramatic
impacts
information
availability
thus
antipredator
modern
world.
Language: Английский
Long‐Term Impact of Multiple Invasions on Fish Community Composition and Functional Richness
Ecology Of Freshwater Fish,
Journal Year:
2025,
Volume and Issue:
34(2)
Published: April 1, 2025
ABSTRACT
Invasive
species
are
among
the
biggest
threats
to
biodiversity
and
represent
billions
of
dollars
global
economy.
pose
a
threat
freshwater
ecosystems,
which
most
vulnerable
due
their
isolation
by
terrestrial
ecosystems
impact
human
activities.
While
invasive
in
known
cause
extinctions
therefore
reduce
richness,
little
attention
has
been
paid
effects
on
functional
richness.
Here,
we
aimed
evaluate
richness
wetland
fish
community
that
subjected
introduction
exotic
repeated
events
over
four
decades.
Our
study
site,
La
Mintzita,
was
home
15
native
species,
some
them
endemic
Central
Mexican
Plateau;
ongoing
changes
have
led
current
state
where
matches
species.
Over
decades,
declined,
dropping
from
8.1
before
1985
2.8
2020s.
We
found
2020s,
significantly
lower
than
expected
chance.
The
might
be
locally
extinct
those
occupying
similar
niches
as
invaders
or
sensitive,
thus
indicating
process
fauna
homogenisation.
highlight
importance
focusing
conservation
efforts
maintaining
preserve
services
derived
ecosystems.
Language: Английский
Microhabitat conditions drive uncertainty of risk and shape neophobic responses in Trinidadian guppies, Poecilia reticulata
Laurence E A Feyten,
No information about this author
Indar W. Ramnarine,
No information about this author
G. E. Brown
No information about this author
et al.
Ecology and Evolution,
Journal Year:
2023,
Volume and Issue:
13(9)
Published: Sept. 1, 2023
In
response
to
uncertain
risks,
prey
may
rely
on
neophobic
phenotypes
reduce
the
costs
associated
with
lack
of
information
regarding
local
conditions.
Neophobia
has
been
shown
be
driven
by
reliability,
ambient
risk
and
predator
diversity,
all
which
shape
uncertainty
risk.
We
similarly
expect
environmental
conditions
interfering
availability.
order
test
how
variables
might
responses
in
Trinidadian
guppies
(
Language: Английский
Habitat Enrichment Causes Changes in Fish Behavioural Characteristics: A Case Study of Sparus latus
Yu Guo,
No information about this author
Zhanlong Chen,
No information about this author
Chuanxin Qin
No information about this author
et al.
Biology,
Journal Year:
2024,
Volume and Issue:
13(6), P. 364 - 364
Published: May 22, 2024
To
better
understand
the
habitat
preferences
and
behavioural
ecology
of
Sparus
latus,
we
performed
an
experiment
using
box-shaped
reefs
as
enrichment
materials,
allowing
us
to
determine
strategies
drivers
involved
in
response
different
structures.
The
results
showed
that
first
contact
time
S.
latus
was
negatively
correlated
(Pearson’s
correlation,
p
<
0.005)
with
distribution
rate
artificial
reef
area.
Enrichment
structures
affected
there
a
significant
difference
average
between
control
treatment
groups
(Adonis,
0.001).
opening
ratio
R2
=
0.36)
explained
than
shape
0.12).
In
absence
structure,
remained
more
active
during
daytime,
exhibiting
poor
clustering,
while
presence
exhibited
clustered
movement
at
night.
interindividual
distance
(Spearman’s
0.01)
positive
correlation
area
0.001),
indicating
significantly
reef-tropism
clustering
behaviours
latus.
light
intensity
moved,
speed
0.05)
positively
exploration
activity
patterns
These
provide
research
basis
for
analysing
pattern
process
fish
proliferation
induced
by
habitats.
Language: Английский