Ecological Applications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 28, 2024
Abstract
Urbanization
is
a
leading
threat
to
biodiversity,
but
scientifically
informed
management
of
urban
ecosystems
can
mitigate
negative
impacts.
For
wild
bees,
which
are
declining
worldwide,
careful
consideration
flower
choice
in
public
and
private
green
spaces
could
help
preserve
their
diversity.
While
floral
density
species
richness
both
linked
bee
diversity,
the
mechanisms
underlying
these
relationships
not
fully
understood.
Here,
we
tested
two
hypotheses
relating
influence
trait
composition
richness,
have
termed
within‐trait
diversity
optimal
hypotheses.
Specifically,
assessed
whether
variation
relates
weighted
variance
(trait
diversity)
mean
(optimal
trait)
traits
observed
across
city
Montreal,
Canada.
Our
analyses
focused
on
pollinator
feeding
success:
nectar
sugar
concentration
corolla
length.
After
accounting
for
among
sites,
was
positively
related
community‐weighted
length,
supporting
hypothesis.
These
findings
suggest
that
practices
increase
morphologies
promote
persistence
communities
cities.
Perspectives in Ecology and Conservation,
Journal Year:
2023,
Volume and Issue:
21(2), P. 164 - 171
Published: April 1, 2023
Citizen
science
has
the
potential
to
increase
efficiency
of
scientific
data
collection.
However,
such
initiatives
often
focus
on
unique
taxa
for
each
record,
not
necessarily
involving
interspecific
interactions.
Moreover,
whether
openly
available
unstructured
citizen
can
contribute
better
understand
ecological
patterns
is
still
well
understood.
Here,
we
identify
hummingbird-plant
interactions
recorded
by
amateur
birdwatchers
in
most
popular
online
platform
Brazil,
Wikiaves.
Then,
evaluated
how
this
information
benefit
our
understanding
a
large
Tropical
country
comparing
with
generated
experts.
We
also
constructed
nation-wide
meta-network
structural
roles
hummingbirds
and
plants.
In
total,
3210
were
compiled,
geographic
coverage
relation
expert
data.
The
interaction
network
showed
modular
pattern,
some
plant
species
found
as
frequently
interacting
here
similar
those
Nevertheless,
when
partners
featured
both
data,
proportion
plants
common
generally
low
(usually
less
than
40%),
indicating
that
are
mostly
recording
captured
scientists.
Finally,
other
cases
compilation
sampling
intensity
(here,
number
photographs)
strong
driver
records,
highlighting
challenge
separating
biologically
meaningful
from
artifacts
Our
study
illustrates
richness
citizen-gathered
biodiversity
megadiverse
country,
which
show
great
complement
collected
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(48)
Published: Nov. 11, 2024
Urbanization
has
reshaped
the
distribution
of
biodiversity
on
Earth,
but
we
are
only
beginning
to
understand
its
effects
ecological
communities.
While
urbanization
may
have
homogenization
strong
enough
blur
large-scale
patterns
in
interaction
networks,
urban
community
still
be
associated
with
climate
gradients
reflecting
biogeographical
processes.
Using
103
hummingbird-plant
mutualistic
networks
across
continental
Americas,
including
176
hummingbird
and
1,180
plant
species,
asked
how
affects
species
interactions
over
large
gradients.
Urban
were
more
generalized,
exhibiting
greater
overlap.
Higher
generalization
was
also
lower
precipitation
both
natural
areas,
indicating
that
irrespective
habitat
type.
habitats
showed
functional
trait
diversity
over/underrepresentation
specific
clades.
From
side,
communities
had
a
higher
prevalence
nonnative
nectar
plants,
which
frequently
visited
by
occurring
areas.
Therefore,
affected
through
composition
traits,
as
well
floral
resource
availability.
Taken
together,
show
consistently
modifies
their
interactions,
plays
role
affecting
structure
these
novel
scale
continents.
Biotropica,
Journal Year:
2025,
Volume and Issue:
57(2)
Published: March 1, 2025
ABSTRACT
Pollination
is
an
important
ecological
process
for
plant
reproduction.
Understanding
the
differences
in
plant–pollinator
interactions
and
pollinator
importance
across
spatial
scales
vital
to
determine
responses
of
these
global
changes.
Continental
oceanic
island
systems
provide
us
with
ideal
model
examine
variation
interactions.
Here,
we
compared
species
composition,
network
structure,
communities
between
a
continental
(Wanshan
Island)
(Yongxing
China.
The
results
reveal
highly
dissimilar
composition
islands
that
caused
different
structures.
In
particular,
networks
had
higher
connectance,
nestedness,
specialization
than
networks.
For
plants
cooccurring
on
both
islands,
richness
flower
visitation
rate
were
island.
Plant
niche
overlap
was
island,
while
entire
subnetwork.
Hymenoptera
most
group
community,
Apidae
community.
imply
may
be
less
vulnerable
disturbance,
such
as
habitat
alteration
or
destruction,
implication
insights
into
biodiversity
conservation
pollinators
islands.
Zoological Letters,
Journal Year:
2024,
Volume and Issue:
10(1)
Published: March 2, 2024
Bats
are
important
pollinators,
but
they
difficult
to
study
since
volant
and
nocturnal.
Thus,
long-term
studies
of
nectarivorous
bats
scarce,
despite
their
potential
help
assess
trends
in
bat
populations
pollination
services.
We
used
capture
rates
at
chiropterophilous
flowers
order
examine
temporal
visitation
an
area
that
is
undergoing
extensive
land
use
change.
mist-netted
five
bat-pollinated
plant
taxa
(Durio
zibethinus,
Musa
acuminata,
Oroxylum
indicum,
Parkia
speciosa,
Sonneratia
spp.)
southern
Thailand
over
six
years
between
2011
2021.
found
the
most
common
species,
Eonycteris
spelaea,
was
main
visitor
all
had
consistent
across
years.
In
contrast,
two
other
Macroglossus
minimus
M.
sobrinus,
showed
80%
declines
number
individuals
netted
mangrove
apple
(Sonneratia
banana
(Musa
acuminata)
flowers,
respectively.
These
findings
suggest
E.
spelaea
(a
large,
cave-roosting
species
with
a
broad
diet)
more
tolerant
anthropogenic
change
than
(small,
foliage-roosting
specialized
diets),
which
may
turn
affect
reproductive
success
plants
pollinated
by
these
species.
Our
demonstrates
how
decade-long
monitoring
can
reveal
species-specific
patterns
pollinator
visitation,
emphasizing
need
for
tailored
conservation
plans.
While
status
Least
Concern,
our
results
indicate
population
Southeast
Asia
urgently
needed
updated
assessments.
Basic and Applied Ecology,
Journal Year:
2024,
Volume and Issue:
77, P. 45 - 56
Published: April 15, 2024
As
the
globe
gets
more
urbanised,
question
about
how
natural
biodiversity
is
structured
in
cities
becomes
increasingly
pertinent.
To
contribute
to
an
answer,
we
studied
species
richness
and
spatio-temporal
structure
of
bees
a
North
European
metropolitan
area.
A
gradient
13
sites
city
Aarhus,
Denmark,
was
censused
from
April
September
2016.
Forty
species,
i.e.
29
solitary
(40%
all
individuals),
ten
Bombus
(28%),
Apis
mellifera
(32%),
were
sampled
monthly
pan
traps.
(i)
Information
traits
extracted
literature,
trait
values
correlated
used
characterize
fauna.
Most
soil-nesters,
pollen
generalists,
common.
(ii)
Habitat
diversity
within
five
concentric
circles
with
trap
as
centre
radius
50
m
1000
related
bee
α
site
diversity.
The
relationship
significant
only
1,000
for
bumblebees.
Solitary
uncorrelated
habitat
at
spatial
levels.
(iii)
Spatio-temporal
analysed
two
networks,
one
linked
sites,
months.
Link
patterns
levels
nestedness,
modularity,
β
networks
weakly
non-significantly
nested,
but
strongly
modular,
being
composed
four
modules
co-occurring
bees,
respectively.
(iv)
Finally,
total
diversity,
βTOTAL,
sum
turnover,
βTURN,
loss/gain
or
βNEST.
For
both
season,
βTURN
higher
than
βNEST,
βTOTAL
season
βTOTAL.
One
reason
this
metacommunity
may
be
high
patchiness,
sustaining
rich
biodiversity.
Thus,
few
large
areas
not
compensate
loss
several
small
patches.
Consequently,
establishment
many
green,
even
habitats
recommended.