Research Square (Research Square),
Год журнала:
2022,
Номер
unknown
Опубликована: Окт. 11, 2022
Abstract
Differences
in
hatching
dates
can
shape
intraspecific
interactions
through
size-mediated
priority
effects
(SMPE),
a
phenomenon
where
bigger,
early
hatched
individuals
gain
advantage
over
smaller,
late
ones.
However,
it
remains
unclear
to
what
extent
and
how
SMPE
are
affected
by
key
environmental
factors
such
as
warming
predation
risk
imposed
top
predators.
We
studied
of
(low
high
temperature)
(presence
absence
predator
cues
perch)
on
life
history
physiological
traits
the
cannibalistic
damselfly
Ischnura
elegans
.
induced
laboratory
manipulating
dates,
creating
following
groups:
hatchlings
reared
separate
containers,
mixed
phenology
groups
shared
same
containers.
found
strong
for
survival
emergence
success,
with
highest
values
larvae
lowest
groups.
Neither
temperature
nor
these
two
traits.
The
other
(development
rate
mass
at
emergence)
did
not
show
SMPE,
but
were
cues.
A
tendency
was
protein
content,
treatment.
(phenoloxidase
activity
fat
content)
showed
fixed
expressions
across
treatments,
indicating
decoupling
between
physiology
history.
results
underline
that
SMPEs
trait-dependent,
only
weakly
or
risk.
NeoBiota,
Год журнала:
2025,
Номер
97, С. 215 - 235
Опубликована: Фев. 13, 2025
Invasive
alien
(IA)
predators
pose
significant
threats
to
native
ecosystems,
often
leading
profound
impacts
on
prey
species
through
both
direct
and
non-consumptive
effects
(NCE).
This
study
focused
the
NCE
of
predator-induced
stress
from
one
crayfish
species,
noble
(
Astacus
astacus
),
compared
danube
Pontastacus
leptodactylus
)
two
IA
signal
Pacifastacus
leniusculus
spinycheek
Faxonius
limosus
damselfly
Ischnura
elegans
.
We
investigated
cue
effect
egg
traits
as
well
potential
carry-over
stage
larval
stage.
hypothesised
that
cues
would
lead
more
pronounced
negative
crayfish,
due
an
evolutionary
history
interaction
recognition
these
threats.
Unexpectedly,
cues,
caused
significantly
higher
mortality
prolonged
developmental
times,
particularly
while
had
weaker,
yet,
still
effects.
Hatching
synchrony
was
reduced
this
same
extent
by
all
four
species.
Notably,
effects,
resulting
in
survival,
mass
fat
content,
which
were
for
crayfish.
Native
did
not
induce
suggesting
I.
may
have
evolved
a
degree
resilience
against
predator
or
produce
chemical
do
cause
strong
antipredator
response.
Our
findings
underscore
importance
considering
immediate
carry
over
across
multiple
life
stages,
context
biological
invasions.
Evolutionary Applications,
Год журнала:
2023,
Номер
16(8), С. 1503 - 1515
Опубликована: Авг. 1, 2023
Many
species
are
currently
adapting
to
cities
at
different
latitudes.
Adaptation
urbanization
may
require
eco-evolutionary
changes
in
response
temperature
and
invasive
that
differ
between
Here,
we
studied
single
combined
effects
of
increased
temperatures
an
alien
predator
on
the
phenotypic
replicated
urban
rural
populations
damselfly
PLoS ONE,
Год журнала:
2024,
Номер
19(2), С. e0295707 - e0295707
Опубликована: Фев. 23, 2024
Global
warming
and
invasive
species,
separately
or
combined,
can
impose
a
large
impact
on
the
condition
of
native
species.
However,
we
know
relatively
little
about
how
these
two
factors,
individually
in
combination,
shape
phenotypes
ectotherms
across
life
stages
this
differ
between
populations.
We
investigated
non-consumptive
predator
effects
(NCEs)
imposed
by
(perch)
(signal
crayfish)
predators
experienced
only
during
egg
stage
both
larval
combination
with
adult
history
traits
damselfly
Ischnura
elegans
.
To
explore
microgeographic
differentiation,
compared
nearby
populations
differing
thermal
conditions
history.
In
absence
cues,
positively
affected
survival,
possibly
because
warmer
temperature
was
closer
to
optimal
temperature.
presence
decreased
indicating
synergistic
effect
variables
survival.
one
population,
cues
from
perch
led
increased
especially
under
current
temperature,
likely
stress
acclimation
phenomena.
While
decreased,
development
time
proportionally
stronger
signal
crayfish
stage,
negative
carry-over
larva.
Warming
mass
at
emergence,
driven
mainly
exposure
positive
adult.
Notably,
were
not
consistent
studied
populations,
suggesting
phenotypic
adaptation
scale
also
observed
pronounced
shifts
ontogeny
(egg
early
stage)
toward
additive
(late
up
emergence)
stress.
The
results
point
out
that
population-
life-stage-specific
responses
life-history
NCEs
are
needed
predict
fitness
consequences
prey
scale.
NeoBiota,
Год журнала:
2025,
Номер
98, С. 223 - 245
Опубликована: Апрель 14, 2025
There
is
increasing
concern
that
the
effects
of
biological
invasions
may
be
magnified
by
other
human-induced
global
changes.
Here,
we
compare
non-consumptive
imposed
invasive
vs.
native
predators
and
how
these
(differential)
responses
to
both
predator
types
depend
on
warming
prey
latitude.
We
raised
damselfly
larvae
from
central-
high-latitudes
in
incubators
under
two
temperatures
(current
[20
°C]
[24
°C])
further
exposed
them
one
three
cues:
noble
(native),
signal
(invasive
at
latitudes)
spiny-cheek
but
absent
high
crayfish.
Growth
rate
increased
central-latitude
decreased
high-latitude
response
The
crayfish
only
reduced
growth
prey.
Cues
all
species
generally
caused
a
higher
net
energy
budget,
warming.
Our
results
demonstrated
were
able
recognize
novel
(spiny-cheek
crayfish)
cue,
revealed
differential
toward
shared
(signal
crayfish).
data
provide
rare
support
for
change
factors
magnify
impact
predators.
Frontiers in Zoology,
Год журнала:
2023,
Номер
20(1)
Опубликована: Апрель 10, 2023
Abstract
Background
Understanding
and
predicting
how
organisms
respond
to
human-caused
environmental
changes
has
become
a
major
concern
in
conservation
biology.
Here,
we
linked
gene
expression
phenotypic
data
identify
candidate
genes
underlying
existing
trait
differentiation
under
individual
combined
variables.
For
this
purpose,
used
the
damselfly
Ischnura
elegans
.
Egg
clutches
from
replicated
high-
(southern
Sweden)
central-latitude
Poland)
populations
facing
different
degrees
of
seasonal
time
constraints
were
collected.
Damselfly
larvae
exposed
experimental
treatments:
current
mild
warming
temperatures
crossed
with
presence
or
absence
an
invasive
alien
predator
cue
released
by
spiny-cheek
crayfish,
Faxonius
limosus
,
which
is
only
present
Poland
date.
We
measured
following
traits:
larval
development
time,
body
size,
mass
growth
rate,
for
analysis
RNA-seq.
Data
analysed
using
multivariate
approach.
Results
showed
latitudinal
differences
coping
cues.
When
increased
temperature
cue,
individuals
had
shortest
fastest
compared
high-latitude
individuals.
There
was
general
effect
cues
regarding
rate
reduction
independent
latitude.
Transcriptome
revealed
that
metabolic
pathways
related
anatomy
tended
be
upregulated
response
but
fast-growing
Metabolic
oxidative
stress
downregulated
especially
Conclusion
Different
transcriptomic
responses
factors
might
attributed
variability
I.
life
history
strategies
between
two
latitudes
caused
its
coexistence
nature.
By
providing
insights
into
may
future
anthropogenic
changes,
our
results
particular
interest
Ecology and Evolution,
Год журнала:
2021,
Номер
11(14), С. 9361 - 9369
Опубликована: Июнь 24, 2021
Abstract
Biological
invasions
are
a
serious
problem
in
natural
ecosystems.
Local
species
that
potential
prey
of
invasive
alien
predators
can
be
threatened
by
their
inability
to
recognize
predator
cues.
Such
an
the
presence
supports
naïve
hypothesis.
We
exposed
eggs
damselfly,
Ischnura
elegans
,
four
treatments:
water
with
no
cue
(control),
native
(perch),
(spinycheek
crayfish)
is
present
damselfly
sampling
site,
and
(signal
absent
site
but
expected
invade
it.
measured
egg
development
time,
mortality
between
ovipositing
hatching,
hatching
synchrony.
Eggs
took
longer
develop
signal
crayfish
group
(however,
this
group,
we
also
observed
high
green
algae
growth),
there
was
trend
shorter
time
spinycheek
than
control
group.
There
difference
perch
Neither
nor
synchrony
differed
groups.
suggest
response
could
general
stress
reaction
unfamiliar
or
artifact
due
The
caused
predation
on
nature.
lack
larvae
rather
eggs.
differences
responses
alternative
cues
have
important
implications
for
understanding
how
insects
responds
biological
invasions,
starting
from
stage.
Scientific Reports,
Год журнала:
2022,
Номер
12(1)
Опубликована: Окт. 15, 2022
Differences
in
hatching
dates
can
shape
intraspecific
interactions
through
size-mediated
priority
effects
(SMPE),
a
phenomenon
where
bigger,
early
hatched
individuals
gain
advantage
over
smaller,
late
ones.
However,
it
remains
unclear
to
what
extent
and
how
SMPE
are
affected
by
key
environmental
factors
such
as
warming
predation
risk
imposed
top
predators.
We
studied
of
(low
high
temperature)
(presence
absence
predator
cues
perch)
on
life
history
physiological
traits
the
cannibalistic
damselfly
Ischnura
elegans.
induced
laboratory
manipulating
dates,
creating
following
groups:
hatchlings
reared
separate
containers,
mixed
phenology
groups
shared
same
containers.
found
strong
for
survival
emergence
success,
with
highest
values
larvae
lowest
groups.
Neither
temperature
nor
these
two
traits.
The
other
(development
rate
mass
at
emergence)
did
not
show
SMPE,
but
were
cues.
A
tendency
was
protein
content,
treatment.
(phenoloxidase
activity
fat
content)
showed
fixed
expressions
across
treatments,
indicating
decoupling
between
physiology
history.
results
underline
that
SMPEs
trait-dependent,
only
weakly
or
risk.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Окт. 19, 2024
Abstract
In
seasonal
environments,
organisms
with
complex
life
cycles
not
only
contend
time
constraints
(TC)
but
also
increasingly
face
global
change
stressors
that
may
interfere
responses
to
TC.
Here,
we
tested
how
warming
and
predator
stress
imposed
during
the
egg
larval
stages
shaped
history
behavioural
TC
in
temperate
damselfly
Ischnura
elegans
.
Eggs
from
early
late
clutches
season
were
subjected
ambient
4
°C
temperature
presence
or
absence
of
cues
perch
signal
crayfish.
After
hatching,
larvae
retained
at
same
thermal
regime,
treatment
was
continued
up
emergence.
The
eggs
decreased
their
development
time,
especially
under
when
exposed
cues.
However,
increased
cues,
crayfish
survival
as
indicating
a
carry-over
effect.
additively
reduced
Independent
TC,
cue
effects
on
stronger
than
stage.
individuals
expressed
lower
mass
emergence,
which
mirrored
size
difference
between
field-collected
mothers.
Warming
caused
higher
boldness
showed
number
moves,
whereas
boldness.
There
no
effect
behaviour.
results
indicate
compensate
for
laying,
is
facilitated
counteracted
predation
risk,
by
Diversity,
Год журнала:
2022,
Номер
14(4), С. 302 - 302
Опубликована: Апрель 15, 2022
Recent
range
expansion
of
many
species
northward
and
upward
in
elevation
suggests
that
the
expanding
are
able
to
cope
with
new
biotic
interactions
leading
edge.
To
test
this
hypothesis,
we
used
a
common
garden
experiment
an
obligatorily
univoltine
dragonfly
(Sympetrum
striolatum)
investigate
whether
growth,
behavioral
(food
intake),
morphological
(8th
9th
abdominal
lateral
spine)
responses
differed
when
confronted
predators
dominate
low-elevation
(Aeshna
cyanea)
high-elevation
(A.
juncea)
lentic
freshwater
systems
under
two
temperature
treatments
(20
°C
24
°C).
Growth
rate
growth
efficiency
increased
at
higher
temperature.
Overall,
low-
induced
similar
increase
but
decrease
food
intake
°C.
Lateral
spines
were
longer
only
dragonflies
18
Our
study
range-expanding
may
have
been
successful
colonizing
areas
elevations
because
they
respond
dominant
way
more
familiar
predators.
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Март 1, 2023
Abstract
Many
species
are
currently
adapting
to
cities
at
different
latitudes.
Adaptation
urbanization
may
require
eco-evolutionary
changes
in
response
temperature
and
invasive
that
differ
between
Here,
we
studied
single
combined
effects
of
increased
temperatures
alien
predator
presence
on
the
phenotypic
replicated
urban
rural
populations
damselfly
Ischnura
elegans
contrasted
these
central
high
Larvae
were
exposed
treatments
(current
[20
ºC],
mild
warming
[24
heat
wave
[28
ºC;
for
latitude
only])
crossed
with
or
absence
chemical
cues
released
by
spiny-cheek
crayfish
(
Faxonius
limosus
),
only
present
latitude.
We
measured
treatment
larval
development
time,
mass,
growth
rate.
Urbanization
type
affected
all
life
history
traits,
yet
responses
often
dependent
latitude,
temperature,
sex.
Mild
decreased
mass
rate
populations.
The
latitude-dependent,
central-latitude
having
a
greater
difference.
sex-specific
males
being
lighter
lower
than
males.
At
current
warming,
cue
reduced
rate,
this
independently
level
origin.
This
pattern
was
reversed
during
high-latitude
damselflies.
Our
results
highlight
context-dependency
evolutionary
plastic
urbanisation,
caution
generalizing
how
respond
based
