Global Ecology and Conservation,
Journal Year:
2022,
Volume and Issue:
36, P. e02127 - e02127
Published: April 19, 2022
Wildlife
are
under
continuous
pressure
to
adapt
new
environments
as
more
land
area
is
converted
for
human
use
and
populations
continue
concentrate
in
suburban
exurban
areas.
This
especially
the
case
terrestrial
mammals,
which
forced
navigate
these
habitat
matrices
on
foot.
One
way
mammals
may
occupy
urbanized
landscapes
by
altering
their
temporal
activity
behavior.
Typically,
studies
have
found
that
increase
nocturnal
within
avoid
overlap
with
humans.
However,
date,
majority
of
this
topic
focused
single
species,
studying
whether
trend
holds
across
an
entire
community
has
important
ecological
implications.
Specifically,
understanding
how
differences
species
response
alters
predator-prey
dynamics
sympatric
interspecies
competition
can
provide
insight
into
urban
wildlife
assembly
a
mechanistic
co-occurrence
systems.
In
study,
we
used
data
from
science
camera
trapping
project
northern
Utah
elucidate
influence
behavior
five
medium-
large-sized
affect
predator-prey,
human,
competitor
niche
overlap.
We
community-wide
changes
study
sites,
increases
late
night
midday
decreases
crepuscular
more-urbanized
site.
species-specific
behavioral
varied,
resulted
reduced
overlap,
between
coyotes
(Canis
latrans)
potential
prey
species.
These
results
information
alter
species-species
interactions
wildland-urban
interface.
Nature Communications,
Journal Year:
2021,
Volume and Issue:
12(1)
Published: March 19, 2021
Abstract
Mammalian
life
shows
huge
diversity,
but
most
groups
remain
nocturnal
in
their
activity
pattern.
A
key
unresolved
question
is
whether
mammal
species
that
have
diversified
into
different
diel
niches
occupy
unique
regions
of
functional
trait
space.
For
5,104
extant
mammals
we
show
here
daytime-active
(cathemeral
or
diurnal)
evolved
combinations
along
gradients
from
those
and
crepuscular
species.
Hypervolumes
five
major
traits
(body
mass,
litter
size,
diet,
foraging
strata,
habitat
breadth)
reveal
30%
diurnal
space
unique,
compared
to
55%
Almost
half
(44%)
with
apparently
obligate
shared
can
switch,
suggesting
more
than
currently
realised
may
be
somewhat
flexible
patterns.
Increasingly,
conservation
measures
focused
on
protecting
functionally
species;
for
mammals,
distinctiveness
requires
a
focus
across
niches.
Time
is
a
fundamental
component
of
ecological
processes.
How
animal
behavior
changes
over
time
has
been
explored
through
well-known
theories
like
niche
partitioning
and
predator-prey
dynamics.
Yet,
in
within
the
shorter
24-hr
light-dark
cycle
have
largely
gone
unstudied.
Understanding
if
an
can
adjust
their
temporal
activity
to
mitigate
or
adapt
environmental
change
become
recent
topic
discussion
important
for
effective
wildlife
management
conservation.
While
spatial
habitat
consideration
conservation,
often
ignored.
We
formulated
resource
selection
model
quantify
diel
8
mammal
species
across
10
US
cities.
found
high
variability
patterns
among
species-specific
correlations
between
human
population
density,
impervious
land
cover,
available
greenspace,
vegetation
mean
daily
temperature.
also
that
some
may
modulate
behaviors
manage
both
natural
anthropogenic
risks.
Our
results
highlight
complexity
with
which
interact
local
characteristics,
suggest
urban
mammals
use
along
reduce
risk,
adapt,
therefore
persist,
cases
thrive,
human-dominated
ecosystems.
Journal of Animal Ecology,
Journal Year:
2023,
Volume and Issue:
92(6), P. 1124 - 1134
Published: Jan. 30, 2023
Abstract
Despite
growing
evidence
of
widespread
impacts
humans
on
animal
behaviour,
our
understanding
how
reshape
species
interactions
remains
limited.
Here,
we
present
a
framework
that
draws
key
concepts
from
behavioural
and
community
ecology
to
outline
four
primary
pathways
by
which
can
alter
predator–prey
spatiotemporal
overlap.
We
suggest
dyads
exhibit
similar
or
opposite
responses
human
activity
with
distinct
outcomes
for
predator
diet,
predation
rates,
population
demography
trophic
cascades.
demonstrate
assess
these
response
hypothesis
testing,
using
temporal
data
178
published
camera
trap
studies
terrestrial
mammals.
found
each
the
proposed
pathways,
revealing
multiple
patterns
influence
Our
case
study
highlight
current
challenges,
gaps,
advances
in
linking
behaviour
change
dynamics.
By
hypothesis‐driven
approach
estimate
potential
altered
interactions,
researchers
anticipate
ecological
consequences
activities
whole
communities.
Scientific Reports,
Journal Year:
2023,
Volume and Issue:
13(1)
Published: Jan. 13, 2023
Abstract
Human
presence
exerts
complex
effects
on
the
ecology
of
species,
which
has
implications
for
biodiversity
persistence
in
protected
areas
experiencing
increasing
human
recreation
levels.
However,
difficulty
separating
effect
species
from
other
environmental
or
disturbance
gradients
remains
a
challenge.
The
cessation
activity
that
occurred
with
COVID-19
restrictions
provides
‘natural
experiment’
to
better
understand
influence
wildlife.
Here,
we
use
closure
within
heavily
visited
and
highly
national
park
(Glacier
National
Park,
MT,
USA)
examine
how
‘low-impact’
recreational
hiking
affects
spatiotemporal
diverse
mammal
community.
Based
data
collected
camera
traps
when
was
closed
then
subsequently
open
recreation,
found
consistent
negative
responses
across
most
our
assemblage
24
fewer
detections,
reduced
site
use,
decreased
daytime
activity.
Our
results
suggest
dual
mandates
parks
conserve
promote
have
potential
be
conflict,
even
presumably
innocuous
activities.
There
is
an
urgent
need
fitness
consequences
these
changes
inform
management
decisions
areas.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: Feb. 19, 2024
Some
animal
species
shift
their
activity
towards
increased
nocturnality
in
disturbed
habitats
to
avoid
predominantly
diurnal
humans.
This
may
alter
diel
overlap
among
species,
a
precondition
most
predation
and
competition
interactions
that
structure
food
webs.
Here,
using
camera
trap
data
from
10
tropical
forest
landscapes,
we
find
hyperdiverse
Southeast
Asian
wildlife
communities
peak
early
mornings
intact
dawn
dusk
(increased
crepuscularity).
Our
results
indicate
anthropogenic
disturbances
drive
opposing
behavioural
adaptations
based
on
rarity,
size
feeding
guild,
with
more
the
59
rarer
specialists'
diurnality
for
medium-sized
generalists,
less
larger
hunted
species.
Species
turnover
also
played
role
underpinning
community-
guild-level
responses,
associated
markedly
detections
of
generalists
predators.
However,
predator-prey
or
competitor
guilds
does
not
vary
disturbance,
suggesting
net
be
conserved.
Diversity,
Journal Year:
2021,
Volume and Issue:
13(2), P. 68 - 68
Published: Feb. 9, 2021
The
effects
of
human
disturbance
spread
over
virtually
all
ecosystems
and
ecological
communities
on
Earth.
In
this
review,
we
focus
the
terrestrial
apex
predators.
We
summarize
their
role
in
nature
how
they
respond
to
different
sources
disturbance.
Apex
predators
control
prey
smaller
numerically
via
behavioral
changes
avoid
predation
risk,
which
turn
can
affect
lower
trophic
levels.
Crucially,
reducing
population
numbers
triggering
responses
are
also
that
causes
predators,
may
influence
role.
Some
populations
continue
be
at
brink
extinction,
but
others
partially
recovering
former
ranges,
natural
recolonization
through
reintroductions.
Carnivore
recovery
is
both
good
news
for
conservation
a
challenge
management,
particularly
when
occurs
human-dominated
landscapes.
Therefore,
conclude
by
discussing
several
management
considerations
that,
adapted
local
contexts,
favor
predator
functions
nature.
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Journal Year:
2023,
Volume and Issue:
99(2), P. 329 - 347
Published: Oct. 15, 2023
ABSTRACT
Given
the
marked
variation
in
abiotic
and
biotic
conditions
between
day
night,
many
species
specialise
their
physical
activity
to
being
diurnal
or
nocturnal,
it
was
long
thought
that
these
strategies
were
commonly
fairly
fixed
invariant.
The
term
‘cathemeral’,
coined
1987,
when
Tattersall
noted
a
Madagascan
primate
during
hours
of
both
daylight
darkness.
Initially
be
rare,
cathemerality
is
now
known
quite
widespread
form
time
partitioning
amongst
arthropods,
fish,
birds,
mammals.
Herein
we
provide
synthesis
present
understanding
cathemeral
behaviour,
arguing
should
routinely
included
alongside
nocturnal
schemes
distinguish
categorise
across
taxa
according
temporal
niche.
This
particularly
timely
because
(
i
)
study
animal
patterns
revolutionised
by
new
improved
technologies;
ii
becoming
apparent
covers
diverse
range
obligate
facultative
forms,
each
with
own
common
sets
functional
traits,
geographic
ranges
evolutionary
history;
iii
daytime
nighttime
likely
plays
an
important
but
currently
neglected
role
niche
ecosystem
functioning;
iv
may
have
ability
adapt
human‐mediated
pressures.
Diversity,
Journal Year:
2023,
Volume and Issue:
15(2), P. 184 - 184
Published: Jan. 28, 2023
In
an
era
of
increasing
human
pressure
on
nature,
understanding
the
spatiotemporal
patterns
wildlife
relative
to
disturbance
can
inform
conservation
efforts,
especially
for
large
carnivores.
We
examined
temporal
activity
and
spatial
wolves
eight
sympatric
mammals
at
71
camera
trap
stations
in
Greece.
Grey
temporally
overlapped
most
with
wild
boars
(Δ
=
0.84)
medium-sized
>
0.75),
moderately
brown
bears
0.70),
least
roe
deer
0.46).
All
were
mainly
nocturnal
exhibited
low
overlap
(humans,
vehicles,
livestock,
dogs;
Δ
0.18–0.36),
apart
from
deer,
which
more
diurnal
0.80).
Six
out
nine
species
increased
their
nocturnality
sites
high
disturbance,
particularly
wolves.
The
detection
was
negatively
associated
paved
roads,
dogs.
bears,
boars,
foxes
closer
settlements.
Our
study
has
applied
implications
wolf
human–wildlife
coexistence.