Frontiers in Plant Science,
Год журнала:
2024,
Номер
15
Опубликована: Ноя. 8, 2024
Flowering
plants
produce
pollinator
rewards
such
as
nectar
and
pollen,
whose
quantity
quality
usually
depend
on
the
whole-plant
state
under
specific
environmental
conditions.
Increasing
aridity
temperature
linked
to
climate
change
may
force
allocate
fewer
resources
these
traits,
potentially
disrupting
plant-pollinator
interactions.
In
this
study,
for
first
time,
both
quantitative
review
(vote-counting
procedure)
meta-analytic
approach
were
used
assess
implications
of
increased
temperatures
global
warming
floral
rewards,
including
(sugar
concentration,
content,
volume)
pollen
(germination
viability),
well
visits.
Furthermore,
we
explored
whether
observed
effects
are
related
either
range,
plant
type
(wild
vs
crop),
or
study
(greenhouse
field
experiments).
We
also
assessed
correlations
between
elevated
characteristics
that
affected
by
range.
The
results
vote-counting
technique
showed
higher
led
a
decrease
in
but
did
not
affect
number
Concurrently,
meta-analysis
detected
adverse
germination
viability.
Warming
depended
viability,
sugar
concentration
germination,
range
Additionally,
found
visits
significantly
decreased
increased.
Our
affects
wild
crop
plants,
providing
insights
into
changing
climatic
conditions
interactions
pollination
services.
New Phytologist,
Год журнала:
2024,
Номер
242(6), С. 2888 - 2899
Опубликована: Апрель 15, 2024
Plant
pollen
is
rich
in
protein,
sterols
and
lipids,
providing
crucial
nutrition
for
many
pollinators.
However,
we
know
very
little
about
the
quantity,
quality
timing
of
availability
real
landscapes,
limiting
our
ability
to
improve
food
supply
We
quantify
floral
longevity
production
a
whole
plant
community
first
time,
enabling
us
calculate
daily
availability.
combine
these
data
with
abundance
nectar
measures
from
UK
farmland
at
landscape
scale
throughout
year.
Pollen
were
significantly
correlated
unit,
level.
The
species
highest
quantity
on
Salix
spp.
(38%),
Filipendula
ulmaria
(14%),
Rubus
fruticosus
(10%)
Taraxacum
officinale
(9%).
Hedgerows
most
pollen-rich
habitats,
but
permanent
pasture
provided
majority
scale,
because
its
large
area.
closely
associated
their
phenology,
both
peaking
late
April,
before
declining
steeply
June
remaining
low
Our
provide
starting
point
including
resource
assessments
ensuring
nutritional
requirements
pollinators
are
met
landscapes.
Global Ecology and Conservation,
Год журнала:
2024,
Номер
52, С. e02984 - e02984
Опубликована: Май 10, 2024
Adult
pollinators
that
forage
primarily
for
energy
have
traditionally
guided
our
understanding
of
plant–pollinator
interactions,
leading
to
assumptions
about
the
importance
different
plants
pollinators.
Consequently,
pollinator
conservation
strategies
potentially
overlook
balance
juvenile
diets.
I
studied
a
representative
bee,
Osmia
bicornis,
explore
contributions
various
nutritional
quality
diet.
Using
ecological
stoichiometry
and
micronutrient
ecology,
investigated
proportions
vital
body-building
chemical
elements
(C,
N,
P,
S,
K,
Na,
Ca,
Mg,
Fe,
Zn,
Mn
Cu;
henceforth
"nutrients")
in
larval
pollen
loads.
considered
botanical
origin,
location
sexual
dimorphism
niche
as
factors
influencing
nutrient
Redundancy
analysis
indicated
main
factor
determining
proportion
was
which
accounted
70.17%
variation;
contributed
20.21%,
sex
8.43%.
Among
30
taxa
composing
loads,
determinants
content
were
oak,
maple,
chestnut,
cabbage
family,
buttercup,
grasses.
Trees
wind-pollinated
provided
important
nutrients.
Oak
maple
contributors
nutrients
essential
growth
body
development
(N,
Cu,
Zn).
Grasses
buttercups
is
bees.
Complex
habitat
management
schemes
extending
beyond
traditional
seed
mixes
are
conservation,
non-obvious
plant
species
provide
should
be
included
efforts
create
complex
landscape
enabling
balanced
Frontiers in Sustainable Food Systems,
Год журнала:
2024,
Номер
8
Опубликована: Июнь 26, 2024
Human
activities,
including
urban
expansion,
intensive
farming
practices,
and
the
application
of
pesticides
have
significantly
reshaped
bee
habitats.
Understanding
nutritional
content
pollen,
primary
source
bees’
proteins
lipids,
is
important
for
maintaining
their
diet
health.
In
this
study,
we
set
out
to
determine
composition
pollen
from
various
plant
families
genera.
Our
objectives
were
analyze
levels
non-esterified
fatty
acids
(NEFAs),
amino
(AAs),
protein-to-lipid
(P:L)
ratios,
omega-6:3
ratios
57
species
native
North
America.
These
data
suggest
a
potential
trade-off
between
NEFA
AA
within
suggesting
that
diverse
floral
may
benefit
bees
more
than
single
source.
The
profiles
showed
considerable
diversity,
with
all
providing
essential
(EAAs)
required
health,
except
methionine
which
was
lacking
in
Rhus
glabra
pollen.
family
Asteraceae
especially
abundant
EAAs.
P:L
varied
widely
further
emphasizing
need
access
array
profiles.
There
no
overall
differences
introduced
species.
This
study
highlights
significance
resources
meet
comprehensive
needs
bees,
contributing
support
pollinator
populations
broader
ecological
system.
Royal Society Open Science,
Год журнала:
2024,
Номер
11(5)
Опубликована: Май 1, 2024
Wild
bees
are
important
pollinators
of
crops
and
wildflowers
but
exposed
to
a
myriad
different
anthropogenic
stressors,
such
as
pesticides
poor
nutrition,
consequence
intensive
agriculture.
These
stressors
do
not
act
in
isolation,
interact,
may
exacerbate
one
another.
Here,
we
assessed
whether
field-realistic
concentration
flupyradifurone,
novel
pesticide
that
has
been
labelled
'bee
safe'
by
regulators,
influenced
bumblebee
sucrose
responsiveness
long-term
memory.
In
fully
crossed
experimental
design,
individual
bumblebees
(
Abstract
In
recent
years,
motivated
by
widespread
declines
in
wild
bees,
ecologists
have
prioritized
learning
about
patterns
of
bee
communities
across
the
landscape
at
expense
population‐level
mechanisms
driving
those
patterns.
this
essay,
we
seek
to
revitalize
tradition
studying
populations
a
way
that
both
contributes
key
knowledge
for
conservation
and
builds
strong
conceptual
understanding
processes
underpinning
populations.
We
address
two
concerns
investing
research.
First,
studies
are
too
conceptually
narrow
provide
broad
inference.
If
couched
general
ecological
theory,
then
findings
from
single
species
can
be
generalized
many.
highlight
how
bees
would
make
excellent
candidates
exploring
five
areas
ideas
population
ecology,
including
nutritional
drivers
vital
rates,
phenology
voltinism,
habitat
selection,
movement.
Second,
concern
methods
level
difficult
implement.
Methods
conducting
bees—specifically,
identifying
living
field
individuals
throughout
their
life
cycles—are
feasible
implement
scales
appropriate
answering
questions,
example,
few
sites.
To
facilitate
adoption
these
ideas,
developed
an
online
guide
(
www.watchingbees.com
)
detailed
manual.
More
generally,
emphasize
value
linking
data‐rich
pattern‐oriented
approaches
ecology
with
basic
biology
generate
Ecological Solutions and Evidence,
Год журнала:
2024,
Номер
5(3)
Опубликована: Июль 1, 2024
Abstract
Pollen
and
nectar
are
crucial
resources
for
bees
but
vary
greatly
among
plant
species
in
their
quantity,
nutritional
quality
timing
of
availability.
This
makes
it
challenging
to
identify
an
appropriate
range
plants
meet
the
needs
throughout
year,
though
this
information
is
important
design
pollinator
conservation
schemes.
Using
DNA
metabarcoding
pollen
loads,
we
record
floral
resource
use
UK
farmland
bumblebees
at
different
stages
colony
lifecycle,
compare
with
null
models
‘expected’
based
on
landscape‐scale
availability
(pollen
nectar),
foraging
priorities
preferences.
We
approach
ask
three
main
questions:
(i)
what
breadth
individual
bumblebees?;
(ii)
do
utilise
a
greater
or
lesser
diversity
than
expected
if
they
foraged
proportion
availability?;
(iii)
which
preferentially
utilise?
Individual
from
highly
consistent
number
taxa
(mean:
10
±
0.37
SE
per
bee),
regardless
species,
sampling
site
time
year.
high
consistency
breadth,
despite
large
changes
identity
availability,
implies
strong
behavioural
tendency
towards
fixed
resources.
effect
was
most
striking
April
when
maintained
very
low
landscape‐level
diversity.
Bumblebees
used
some
significantly
more
predicted
abundance,
supply,
implying
certain
desirable
characteristics
beyond
mere
quantity
resource.
These
included
Allium
spp.
Vicia
April;
Trifolium
repens
Lotus
corniculatus
July
Cardueae
(thistles)
Taraxacum
officinale
September.
Practical
implication
:
Our
results
strongly
indicate
that
not
only
factor
driving
bumblebee
patterns
also
factors.
Thus,
addition
providing
quantities
resources,
recommend
schemes
focus
sufficient
preferred
enabling
pollinators
self‐select
diverse
nutritious
diet.
Annals of Botany,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 18, 2024
Abstract
Background
The
frequency
and
intensity
of
droughts
are
expected
to
increase
under
global
change,
driven
by
anthropogenic
climate
change
water
diversion.
Precipitation
is
become
more
episodic
with
longer
warmer
dry
spells,
although
some
areas
might
wetter.
Diversion
freshwater
from
lakes
rivers
groundwater
pumping
for
irrigation
agricultural
fields
lowering
availability
wild
plant
populations,
increasing
the
drought.
Given
importance
seasonal
changes
extremes
in
soil
moisture
influence
reproduction,
because
majority
plants
flowering
most
them
depend
on
pollinators
seed
production,
this
review
focuses
consequences
drought
different
aspects
reproduction
animal-pollinated
angiosperms,
emphasizing
interactions
among
drought,
pollination.
Scope
Visual
olfactory
traits
play
crucial
roles
attracting
pollinators.
Drought-induced
floral
can
pollinator
attraction
visitation,
together
networks
phenology,
subsequent
effects
reproduction.
Here,
we
how
influences
these
We
identify
knowledge
gaps
highlight
that
would
benefit
additional
research.
Conclusions
affected
but
their
phenotypic
responses
vary
sex,
population
species.
Ample
plasticity
exists
traits,
providing
an
ability
a
rapid
response
engendered
change.
impact
drought-induced
attraction,
pollen
deposition
reproductive
success
does
not
show
clear
pattern.
Drought
affects
structure
plant–pollinator
modify
phenology.
always
negative,
need
characteristics
associated
positive
responses.
Pollinator-plant
interactions
represent
a
core
mutualism
that
underpins
biodiversity
in
terrestrial
ecosystems,
and
the
loss
of
flowering
plants
is
major
driver
pollinator
declines.
Bee
attraction
to
flowers
mediated
by
both
quantity
resources
(the
number
available
for
exploration)
quality
(pollen
nutritional
value),
but
whether
how
bees
prioritize
these
factors
not
well
understood.
Here,
we
leveraged
unique
plant
system
investigate
floral
influencing
bee
foraging
decisions.
Recombinant
inbred
lines
were
generated
crossing
self-fertilizing
Abstract
Commercially
reared
bees
provide
economically
important
pollination
services
for
a
diversity
of
crops.
Improving
their
health
is
both
to
maximise
and
avoid
possible
pathogen
spillover
or
spillback
with
wild
pollinators.
Diet
quality
may
directly
indirectly
affect
diverse
aspects
bumblebee
health,
including
colony
development,
individual
size
immune
but
the
impact
this
remains
unclear.
Here
we
investigate
experimentally
effect
diet
during
development
using
three
diets:
(1)
standard
pollen
used
in
commercial
rearing
colonies
sale,
(2)
an
enhanced
comprised
wildflower
mix
that
was
expected
be
nutritionally
superior
(including
by
having
elevated
protein
content)
(3)
substitute
mixed
poorer.
The
on
quantified
colony-level
measures
(colony
weight,
[number
live
workers]
number
dead
individuals),
individual-level
(body
size,
fat
body
[proportion
weight],
total
haemocyte
count
phenoloxidase
enzyme
activity).
significantly
affected
growth,
fed
growing
larger
producing
more
reproductives
than
those
either
poor
diet.
also
resulted
were
had
better
health.
results
show
can
have
effects
commercially
bumblebees
suggest
enhancement
standard-rearing
diets
improve