How many bees fit in the city? A spatial ecological case study to conserve urban wild bees
Urban Ecosystems,
Год журнала:
2025,
Номер
28(2)
Опубликована: Янв. 28, 2025
Abstract
Pollination
is
crucial
for
biodiversity
and
food
security,
with
bees
playing
a
significant
role.
The
growing
popularity
of
urban
beekeeping
leading
to
increasing
honeybee
densities
in
cities,
raising
concerns
about
competition
pollen
nectar
wild
due
limited
foraging
resources
densely
urbanized
areas.
To
assess
the
current
bee
occurrences
honeybees
protected
areas
Central
European
city,
we
focused
on
ecological
similarities
between
bees.
We
compiled
an
inventory
462
species
documented
since
1990
Vienna
(Austria)
conducted
survey
apiary
locations
cooperation
beekeepers.
calculated
indices
richness,
rarity,
and,
based
flower-visiting
traits,
trait
similarity
found
that
approximately
four
times
more
colonies
were
kept
central
2023
than
habitat
may
support.
In
parts
Vienna’s
nature
conservation
areas,
number
also
exceeded
density
3.5
per
km²
recommended
by
literature.
Results
indicate
spatial
overlap
high
hotspots,
particularly
like
Natura
2000
rare
was
significantly
increased,
indicating
potential
elevated
floral
resources.
This
study
highlights
need
planning
balance
conservation,
recommending
actions
match
quality
mitigate
competitive
pressures.
Язык: Английский
Understanding and counteracting the denial of insect biodiversity loss
Current Opinion in Insect Science,
Год журнала:
2025,
Номер
68, С. 101338 - 101338
Опубликована: Янв. 31, 2025
Язык: Английский
Low impact of anthropization on the demographic structure of the stick insect Clonistria guadeloupensis in Guadeloupe
Journal of Orthoptera Research,
Год журнала:
2025,
Номер
34(1), С. 69 - 75
Опубликована: Фев. 19, 2025
Mitigating
the
biodiversity
crisis
will
require
an
understanding
of
how
species
cope
with
various
human
disturbances
habitats
ranging
from
fully
natural
environments
to
areas
higher
anthropization
levels.
In
this
study,
we
investigated
local
demographics
Clonistria
guadeloupensis
(Redtenbacher)
relate
such
as
agricultural
fields,
roads,
and
urbanization
in
Guadeloupe.
We
sampled
diverse
environmental
situations
wild,
both
on
around
focal
food
plants,
recorded
habitat
characteristics.
subsequently
analyzed
demography
juvenile,
subadult,
adult
stages.
found
minimal
impact
factors,
a
tendency
be
associated
greater
levels,
possibly
because
are
generally
more
open.
also
variation
aggregation
levels
developmental
stages,
which
may
reflect
bias
dispersal
during
stage
males
highly
motile.
Overall,
shows
ecological
preferences
appropriate
for
coexistence
within
disturbance.
Язык: Английский
The direct and indirect effects of road verges and urban greening on butterflies in a tropical city-state
Landscape and Urban Planning,
Год журнала:
2025,
Номер
258, С. 105335 - 105335
Опубликована: Фев. 28, 2025
Язык: Английский
Evidence-base for urban green-blue infrastructure to support insect diversity
Urban Ecosystems,
Год журнала:
2024,
Номер
28(1), С. 1 - 14
Опубликована: Дек. 7, 2024
Abstract
Green-blue
urban
infrastructures
potentially
offer
win-win
benefits
for
people
and
nature
in
areas.
Given
increasing
evidence
of
widespread
declines
insects,
as
well
their
ecological
importance,
there
is
a
need
to
better
understand
the
potential
role
green-blue
infrastructure
insect
conservation.
In
this
review,
we
evaluated
201
studies
about
ability
support
diversity.
Most
were
focused
on
local
landscape-level
characteristics
infrastructure.
Fewer
explicitly
compared
one
type
another,
even
fewer
communities
between
traditional
Overall,
body
research
highlights
importance
plant
diversity
reduced
intensity
management
(e.g.,
mowing)
most
taxon
groups.
While
seem
be
generally
more
important
than
landscape
factors,
within
can
also
depend
connectivity
context.
Some
types
are
beneficial
others;
instance,
ground-level
habitats
tend
insects
green
roofs.
Few
simultaneously
studied
synergies
or
trade-offs
with
other
services
provided
by
infrastructure,
but
environmental
variables,
such
tree
cover
diversity,
that
affect
likely
provision
improving
thermal
comfort
well-being
people.
Our
review
offers
some
initial
how
could
designed
multifunctionality
mind.
Язык: Английский
Invertebrate species distributions in urban ecosystems are driven by habitat availability, not by anthropogenic drivers
bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 27, 2024
Abstract
Rapid
urbanisation
puts
pressure
on
biodiversity
by
habitat
fragmentation
and
quality
among
others.
These
changes
are
known
to
affect
species
dispersal
connectivity
ultimately
distribution
in
many
ecosystems.
However,
little
is
about
the
changing
urban
distributions
which
turn
influence
community
assembly.
New
DNA-based
sampling
methods
combined
with
modelling
provide
a
way
quantitatively
estimate
assembly
through
assessing
their
drivers
simultaneously.
We
investigated
of
entire
communities
city
The
Hague
(the
Netherlands)
DNA
two
distinct
methods:
collecting
data
invertebrate
occurrence
traditional
trapping
(bulk;
n
=
205)
novel
Environmental
method
(eDNA;
207).
After
sequencing,
were
identified
using
Operational
Taxonomic
Units.
Subsequently,
individual
presence
absence
used
Species
Distribution
Models
(SDMs),
based
spatial
information
vegetation
anthropogenic
influences.
results
show
difference
coverage
(bulk
vs.
eDNA),
indicating
complementary
information.
models
generally
significantly
better
than
random
(59.5%),
performed
well
during
calibration
(90.4%,
AUC
>
0.70).
In
contrast,
validation
very
few
SDMs
(1.3%,
0.70)
adequately
predicting
distributions.
Through
this
combination
we
that
density
structure
vegetation,
as
distance
water
more
important
for
direct
pressures.
This
suggests
not
limiting
factor
Hague’s
environment.
availability
variety
green
infrastructures
seems
sufficient
attract
observed.
Hence,
ensuring
infrastructure
environment
should
be
first
priority
enhance
Highlights
Vegetation
indicators
most
predictors
accurate
assessment
species’
Anthropogenic
pressures
have
lower
impact
DNA-SDM
combinations
potential
guiding
planners
evidence-based
decision
making
Язык: Английский
Sustainable urban planning needs stronger interdisciplinarity and better co‐designing: How ecologists and climatologists can fully leverage climate monitoring data
Wiley Interdisciplinary Reviews Climate Change,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 3, 2024
Abstract
Research
has
provided
considerable
evidence
that
temperature
significantly
influences
species
biology.
Its
influence
is
so
great
climate
corridors
have
been
proposed
to
assist
in
tracking
their
climatic
niche
at
macroecological
scales,
reinforcing
the
importance
of
accounting
for
this
variable
all
scales
address
threat
biodiversity.
This
exacerbated
cities
where
artificialization
enhances
effect
change,
extent
urban
temperatures
are
a
public
health
concern,
with
heatwaves
causing
excess
human
mortality
and
having
stark
impact
on
Recent
developments
monitoring
networks
enable
characterizing
spatiotemporal
structure
climates
ever
greater
detail,
many
already
equipped
such
networks.
The
biodiversity,
same
scale
as
these
allows,
never
explored.
Characterizing
infrastructures
cool
corridors,
thus
thermal
connectivity
species,
would
enrich
strengthen
existing
ecological
infrastructures,
basis
scientific
evidence.
In
perspective,
we
discuss
how
stronger
collaborations
between
ecologists
climatologists
could
help
leverage
full
potential
We
highlight
research
opportunities
they
offer
terms
studying
biodiversity
efforts
need
be
pursued
co‐designing
make
interdisciplinary
operational.
Such
its
more
important
outcomes
can
better
inform
planning
mitigate
impacts
change
people
article
categorized
under:
Climate
Development
>
Urbanization,
Development,
Change
Assessing
Impacts
Observed
Climate,
Ecology,
Conservation
Ecological
Changes
Язык: Английский