Insect Conservation and Diversity,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 22, 2024
Abstract
This
study
explores
the
latitudinal
diversity
gradient
(LDG)
of
wild
bees
(Hymenoptera:
Anthophila)
in
Chile,
a
region
with
diverse
climates
and
geographic
isolation.
By
examining
species
richness
patterns,
this
research
seeks
to
uncover
key
factors
influencing
these
patterns
Chilean
bees.
We
compiled
analysed
occurrence
records
bee
from
five
families,
evaluating
across
gradients.
To
explain
LDG,
we
tested
hypotheses
such
as
Rapoport's
effect,
mid‐domain
effect
(MDE),
source‐sink
dynamics,
Climatic
Variability
Hypothesis.
Additionally,
conducted
cluster
analyses
beta
assessments
identify
distinct
ecoregions
understand
turnover
nestedness
along
Our
analysis
revealed
mid‐latitudinal
peak
around
34°
S,
consistent
global
bimodal
for
The
data
did
not
support
MDE
predictions,
implying
that
geometric
constraints
alone
cannot
patterns.
Instead,
positive
correlation
between
extent
latitude
supports
indicating
broader
environmental
tolerances
at
higher
latitudes.
Beta
showed
turnover,
nestedness,
drives
variation
gradients,
reflecting
significant
replacement
latitudes
due
changing
conditions.
Cluster
identified
groups
corresponding
Northern,
Central,
Southern
Chile
ecoregions,
reinforcing
substantial
shifts
composition
bands.
findings
emphasise
importance
stable
supporting
high
Understanding
is
vital
predicting
biodiversity
responses
climate
change
guiding
conservation
strategies,
especially
Chile's
hotspots
endemism.
Biological Conservation,
Год журнала:
2024,
Номер
290, С. 110455 - 110455
Опубликована: Янв. 25, 2024
Understanding
and
reversing
biodiversity
decline
in
the
Anthropocene
requires
robust
data
on
species
taxonomic
identity,
distribution,
ecology,
population
trends.
Data
deficits
hinder
assessments
conservation,
despite
major
advances
over
past
few
decades,
our
understanding
of
bee
diversity,
distribution
Europe
is
still
hampered
by
such
shortfalls.
Using
a
unique
digital
dataset
wild
occurrence
we
identify
seven
critical
shortfalls
which
are
an
absence
knowledge
geographic
distributions,
(functional)
trait
variation,
dynamics,
evolutionary
relationships,
biotic
interactions,
tolerance
to
abiotic
conditions.
We
describe
"BeeFall,"
interactive
online
Shiny
app
tool,
visualizes
these
highlights
missing
data.
also
define
new
impediment,
Keartonian
Impediment,
addresses
high-quality
situ
photos
illustrations
with
diagnostic
characteristics
directly
affects
outlined
Shortfalls
highly
correlated
at
both
provincial
national
scales,
identifying
key
areas
where
gaps
can
be
filled.
This
work
provides
important
first
step
towards
long-term
goal
mobilize
aggregate
European
into
multi-scale,
easy
access,
shareable,
updatable
database
inform
research,
practice,
policy
actions
for
conservation
bees.
Global Ecology and Biogeography,
Год журнала:
2025,
Номер
34(2)
Опубликована: Фев. 1, 2025
ABSTRACT
Motivation
Pollinators
play
a
crucial
role
in
maintaining
Earth's
terrestrial
biodiversity.
However,
rapid
human‐induced
environmental
changes
are
compromising
the
long‐term
persistence
of
plant‐pollinator
interactions.
Unfortunately,
we
lack
robust,
generalisable
data
capturing
how
communities
structured
across
space
and
time.
Here,
present
EuPPollNet
(European
Plant‐Pollinator
Networks)
database,
fully
open
European‐level
database
containing
harmonised
taxonomic
on
interactions
referenced
both
time,
along
with
other
ecological
variables
interest.
In
addition,
evaluate
sampling
coverage
EuPPollNet,
summarise
key
structural
properties
networks.
We
believe
will
stimulate
research
to
address
gaps
guide
future
efforts
conservation
planning.
Main
Types
Variables
Included
contains
1,162,109
between
plants
pollinators
from
1864
distinct
networks,
which
belong
52
different
studies
distributed
23
European
countries.
Information
about
methodology,
habitat
type,
biogeographic
region
additional
rank
information
(i.e.
order,
family,
genus
species)
is
also
provided.
Spatial
Location
Grain
The
1214
locations
13
natural
anthropogenic
habitats
that
fall
7
regions.
All
records
geo‐referenced
presented
World
Geodetic
System
1984
(WGS84).
Time
Period
Species
interaction
was
collected
2004
2021.
Major
Taxa
Level
Measurement
at
species
level
for
94%
records,
including
total
1411
plant
2223
pollinator
species.
includes
6%
flowering
plants,
34%
bees,
26%
butterflies
33%
syrphid
level.
Software
Format
built
R
stored
‘.rds’
‘.csv’
formats.
Its
construction
reproducible
can
be
accessed
at:
https://doi.org/10.5281/zenodo.14747448
.
Molecular Ecology Resources,
Год журнала:
2024,
Номер
24(5)
Опубликована: Март 25, 2024
Abstract
Recent
declines
in
insect
abundances,
especially
populations
of
wild
pollinators,
pose
a
threat
to
many
natural
and
agricultural
ecosystems.
Traditional
species
monitoring
relies
on
morphological
character
identification
is
inadequate
for
efficient
standardized
surveys.
DNA
barcoding
has
become
standard
approach
molecular
organisms,
aiming
overcome
the
shortcomings
traditional
biodiversity
monitoring.
However,
its
efficacy
depends
completeness
reference
databases.
Large
efforts
are
(almost
entirely)
lacking
European
countries
such
patchy
data
limit
Europe‐wide
analyses
precisely
how
apply
bee
identification.
Here,
we
advance
towards
an
effective
bees.
We
conducted
high‐effort
survey
bees
at
junction
central
southern
Europe
barcoded
all
collected
morphospecies.
For
global
analyses,
complemented
our
barcode
dataset
with
relevant
delimitation,
general
genus‐specific
gaps
examined
error
rate
repositories.
found
that
(i)
sixth
specimens
from
Slovenia
could
not
be
reliably
identified,
(ii)
delimitation
methods
show
numerous
systematic
discrepancies,
(iii)
there
no
gap
across
(iv)
genus
specific,
but
only
after
curating
errors
Intense
sampling
underrepresented
regions
strict
curation
repositories
needed
enhance
use
Our
knowledge
of
biodiversity
hinges
on
sufficient
data,
reliable
methods,
and
realistic
models.
Without
an
accurate
assessment
species
distributions,
we
cannot
effectively
target
stem
loss.
Species
range
maps
are
the
foundation
such
efforts,
but
countless
studies
have
failed
to
account
for
most
basic
assumptions
mapping
practices,
undermining
credibility
their
results
potentially
misleading
hindering
conservation
management
efforts.
Here,
use
examples
from
recent
literature
broader
community
highlight
substantial
shortfalls
in
current
practices
consequences
both
analyses
management.
We
detail
how
different
decisions
data
filtering
impact
outcomes
analysis
provide
practical
recommendations
steps
more
analysis,
whilst
understanding
limits
what
available
will
reliably
allow
methods
appropriate.
Whilst
perfect
not
possible
many
taxa
given
limited
biases,
ensuring
within
reasonable
inherent
is
crucial
ensure
appropriate
use.
By
embracing
enacting
best
can
accuracy
improved
comparability
going
forward,
ultimately
enhancing
our
ability
facilitate
protection
natural
world.
Diversity and Distributions,
Год журнала:
2025,
Номер
31(2)
Опубликована: Фев. 1, 2025
ABSTRACT
Aim
The
functional
diversity
of
bees
contribute
to
the
maintenance
plant
biodiversity
because
different
species
wild
prefer
and
pollinate
plants.
Many
bees,
in
particular
with
narrow
flower
preferences
or
specialised
habitat
requirements,
are
threatened
by
landscape
homogenisation
climate
change.
Nonetheless,
we
still
lack
an
understanding
large‐scale
impacts
anthropogenic
stressors
on
distribution
bee
preferences.
Location
Northern
Europe:
Norway,
Denmark
Germany.
Methods
We
combine
a
dataset
comprising
~30,000
observations
presences
absences
occurrences
from
structured
surveys
at
269
sites
northern
Europe
investigate
if
modulate
distributions
across
multiple
environmental
gradients.
Bees
were
assigned
continuous
trait
separating
preference
for
short
vs.
tubular
flowers.
Results
observe
that
either
flowers
(Fabaceae)
plants
shallow
(including
Apiaceae
Brassicaceae)
can
be
described
score.
likelihood
observing
along
latitudinal
gradient—encompassing
variation
temperature,
atmospheric
N
deposition
elevation—is
dependent
its
Specifically,
have
higher
occurrence
latitudes,
while
non‐tubular
increase
towards
south.
Main
Conclusions
Our
results
improve
our
how
species‐specific
drives
community‐wide
shifts
therefore
help
devise
region‐specific
conservation
strategies.
Insect Conservation and Diversity,
Год журнала:
2024,
Номер
17(3), С. 474 - 487
Опубликована: Янв. 25, 2024
Abstract
While
global
patterns
of
bee
diversity
have
been
modelled,
our
understanding
fine‐scale
regional
is
more
limited,
particularly
for
under‐sampled
regions
such
as
Africa.
South
Africa
among
the
exceptions
on
African
continent;
its
fauna
(ca.
1253
species)
has
well
collected
and
documented,
including
mass
digitising
natural
history
collections.
It
a
region
with
high
floral
diversity,
habitat
heterogeneity
variable
rainfall
seasonality.
Here,
we
combine
species
distributional
database
(877
geospatial
modelling
approach
to
determine
(~11
×
11
km
grid
cell
resolution)
hotspots
richness,
endemism
range‐restricted
species.
Our
analyses,
based
probabilities
occurrence
surfaces
each
across
108,803
two‐minute
cells,
reveal
three
richness:
Winter
rainfall,
Aseasonal
Early‐to‐late
summer
rainfall.
These
contain
large
numbers
endemic
geographically
restricted
taxa.
Hotspots
include
Fynbos,
Succulent
Karoo
Desert
biomes;
latter
showing
6–20
times
per
unit
area
than
other
biomes.
results
conform
species‐area
patterns:
areas
higher‐than‐expected
density
are
largely
concentrated
in
Mediterranean
arid
habitats.
This
study
further
enhances
knowledge
identifying
richness
keystone
group
insects
enabling
these
be
accounted
when
setting
conservation
priorities.
Sociobiology,
Год журнала:
2025,
Номер
72(2), С. e11416 - e11416
Опубликована: Май 15, 2025
Diversity
can
be
examined
and
interpreted
from
various
perspectives,
including
species
richness,
genetic
phenotypic
differences,
variation
in
behaviors
natural
history,
phylogenetic
history.
Centuries
of
taxonomic
research
have
revealed
approximately
21,000
bee
worldwide.
These
subdivided
into
a
hierarchy
subgroups
that
reflects
their
evolutionary
thanks
to
the
increasingly
more
comprehensive
hypotheses
available.
Advances
systematics
enhanced
our
understanding
how
diversity
has
evolved,
origin
Cretaceous,
shifts
geographical
distribution,
evolution
social
parasitic
behaviors,
changes
relationships
between
bees
plants
they
visit
throughout
120-million-year
shared
An
important
outcome
enduring
relationship
with
flowering
is
vital
role
play
pollination
both
agricultural
ecosystems.
Habitat
loss,
climate
change,
other
anthropogenic
environmental
alterations
led
declines
populations,
which
sparked
concerns
about
conservation
highlighted
importance
complementary
aspects
diversity,
components
this
variation.
The
availability
reliable
significant
advancements,
enabling
assessments
communities
predictions
regarding
vulnerability
habitat
change
ecological
functions.
This
review
explores
perspectives
documenting
interpreting
changing
world
summarizes
current
classification
while
discussing
advances
contemporary
research.