Research Square (Research Square),
Journal Year:
2022,
Volume and Issue:
unknown
Published: March 31, 2022
Abstract
Urbanization
is
one
of
the
main
processes
generating
most
changes
on
earth's
surface.
The
remaining
green
spaces
within
cities
can
be
utmost
importance
for
pollinator
conservation.
Through
a
meta-analytical
study,
we
evaluate
how
position,
connectivity
and
abundance
urban
areas
(parks,
gardens,
squares,
among
others)
in
different
affect
richness
pollinators.
We
developed
metric
using
satellite
images
corresponding
to
241
obtained
from
20
published
works.
were
classified
Urban,
Peri-urban
Non-urban
according
their
percentage
impervious
surface
estimated
each
image.
relates
contained
with
radius
500
meters
immersed
city.
Our
study
show
pollinators
positively
related
sites
degrees
urbanization.
results
emphasize
maintain
ecosystem
service
pollination
cities.
Current Opinion in Insect Science,
Journal Year:
2022,
Volume and Issue:
52, P. 100922 - 100922
Published: April 28, 2022
Cities
are
expanding
worldwide
and
urbanisation
is
considered
a
global
threat
to
biodiversity.
Urban
ecology
has
provided
important
insights
on
how
urban
environmental
changes
might
affect
individuals,
populations,
species;
however,
we
know
little
about
the
ecological
impacts
of
alter
species
interactions.
Species
interactions
backbone
communities
play
crucial
role
in
population
community
dynamics
generation,
maintenance
structure
Here,
I
review
studies
identify
key
mechanistic
pathways
through
which
processes
could
antagonistic
mutualistic
among
species.
More
specifically,
focus
insect
predation,
parasitoidism
herbivory,
competition,
host-pathogen
interactions,
pollination.
furthermore
knowledge
gaps
that
require
additional
research
attention
suggest
future
directions
may
help
shed
light
mechanisms
will
thus
aid
conservation
management
cities.
The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
915, P. 169997 - 169997
Published: Jan. 11, 2024
Metal
contamination
is
ubiquitous
in
urban
areas
and
represents
a
risk
to
arthropod
species.
Bees
are
exposed
metals
while
foraging
within
contaminated
landscapes
from
multiple
sources.
Eliminating
the
of
bee
exposure
complex,
requires
an
understanding
how
bees
become
contaminated,
accumulate
bodies,
this
influences
their
health.
We
selected
Bombus
impatiens,
common
eastern
bumble
bee,
as
our
focal
species
because
it
most
frequently
encountered
United
States
greenspaces.
The
aims
study
were
quantify
lethal
concentration
limit
(LC
Insect Conservation and Diversity,
Journal Year:
2024,
Volume and Issue:
17(2), P. 243 - 258
Published: March 1, 2024
Abstract
Urban
ecosystems
are
formed
by
pronounced
socio‐ecological
gradients,
which
distinct
from
other
and
can
simultaneously
filter
promote
taxa,
ultimately
affecting
their
interactions.
However,
the
strength
of
effect
filtering
facilitation
across
different
trophic
levels
could
vary
among
biotic
abiotic
factors.
Here,
we
investigate
effects
habitat
amount,
temperature
host‐enemy
interactions
in
shaping
communities
cavity‐nesting
bees
wasps
natural
enemies.
We
installed
trap‐nests
80
sites
distributed
along
urban
intensity
gradients
five
European
cities
(Antwerp,
Paris,
Poznan,
Tartu
Zurich).
quantified
species
richness
abundance
hosts
enemies,
as
well
two
performance
traits
(survival
parasitism)
life‐history
(sex
ratio
number
offspring
per
nest
for
hosts).
analysed
importance
variables
using
generalised
linear
models
multi‐model
inference.
found
that
amount
was
main
driver
multiple
host
responses,
with
larger
amounts
resulting
higher
a
probability
survival
brood
cells
hosts.
Local
resources
proxies
shaped
both
indicate
uses
existing
vegetation
between
wasps.
Temperature
had
minor
role
Biotic
were
enemy
community
structure,
enemies
being
strongly
affected
availability,
is,
direct
density‐dependence
Overall,
our
study
highlights
food
webs,
on
through
responses
subsequent
consequences
As
prepare
to
tackle
global
change,
strategies
make
it
possible
maintain
mitigate
overheating
emerge
key
adaptation
biodiversity
conservation.
Urban Ecosystems,
Journal Year:
2023,
Volume and Issue:
26(5), P. 1381 - 1395
Published: June 7, 2023
Abstract
With
urbanisation
leading
to
loss
of
nesting
resources,
and
increasing
public
interest
in
helping
bees,
bee
hotels
(trap-nests)
are
becoming
popularised.
However,
their
success
is
relatively
understudied.
The
influence
habitat
type
determining
occupancy
emergence
also
poorly
known.
Over
two
years
across
7
bushland
remnant
residential
garden
sites,
trap-nests
were
installed
completed
nests
collected
monthly
over
spring-summer.
Bees
appeared
take
a
month
find
the
trap-nests,
irrespective
they
installed.
A
small
percentage
(13%
6%
years)
tubes
occupied,
but
this
was
within
range
other
trap-nesting
studies.
Smaller
4
mm
diameter
had
higher
rate
than
10
tubes.
An
impressive
number
−
24
species
–
occupied
trap-nests.
Representation
however
dominated
by
five
species.
composition
(species
relative
abundances)
cavity-nesting
bees
differed
greatly
between
those
using
compared
with
observed
field.
Bushland
remnants
tended
have
more
male
body
size
emerged
larger
habitat.
Unexpectedly
native
total
flower
diversity
reduced
hotel
occupancy,
whereas
parameters
positively
fitness.
Overall
installing
can
provide
additional
resources
for
urbanised
areas,
providing
high
proportions
flora
vicinity
should
enhance
fitness
them.
Ecological Entomology,
Journal Year:
2021,
Volume and Issue:
47(2), P. 146 - 157
Published: Oct. 15, 2021
1.
Urban
areas
can
host
speciose
bee
communities
due
partially
to
the
species‐rich
combination
of
both
native
and
alien
plant
species
found
in
these
landscapes.
However,
intensively‐constructed
zones,
it
could
be
expected
record
a
low
diversity
used
by
bees
because
high
proportion
paved
surfaces
areas.
2.
We
investigated
influence
urbanisation
on
cavity‐nesting
bee‐plant
community
interaction
network
structures
medium‐sized
city.
The
floral
nesting
females
cell
provisioning
was
retrieved
from
pollen
content
obtained
trap‐nests
collected
11
sites
located
an
urban
landscape
gradient.
3.
Eighty
types
belonging
20
families
were
identified
155
samples
analysed.
At
least
seven
all
sampling
points.
analysis
revealed
positive
green
type
richness,
although
null
model
also
selected
as
best
model.
Likewise,
metrics
but
connectance
not
influenced
any
variables.
4.
Our
findings
demonstrated
that
notwithstanding
richness
similar.
networks
modular,
asymmetric,
highly
specialised.
adaptation
present
environments
presence
explore
diverse
flora
may
indicate
local
variation
had
little
their
interactions
with
plants.