The role of insularity: Plants have few ornithophilous traits but are visited by morphologically more distinct hummingbirds in the Caribbean islands
Functional Ecology,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 11, 2025
Abstract
Functional
traits
determine
interactions
between
plants
and
pollinators,
to
increase
pollination
efficiency,
many
have
evolved
attract
specific
pollinator
groups.
However,
biogeographical
setting
may
influence
trait
evolution
biotic
interactions.
For
instance,
pollinated
by
hummingbirds
often
ornithophilous
traits,
that
is,
flowers
with
elongated
corollas,
dilute
nectar
red
colours,
but—due
colonization
history,
depauperate
biotas
unstable
environmental
conditions—it
might
be
disadvantageous
for
species
rely
on
mutualistic
partners
functional
oceanic
islands.
Hummingbird‐visited
islands
are
thus
expected
fewer
functionally
less
diverse
in
their
hummingbirds.
We
compiled
an
extensive
dataset
of
plant—hummingbird
(1030
plant
181
hummingbird
species)
associated
traits.
divided
the
data
into
four
regions
across
American
mainland
Caribbean
then
tested
whether
differed
proportion
floral
diversity
found
hummingbird‐visited
communities
displayed
lowest
typically
a
adaptation
towards
bird‐mediated
pollination,
average
shortest
highest
concentrations
largest
non‐ornithophilous
colours.
Contrary
our
expectations,
interacted
were
morphologically
more
distinct
than
regions.
Overall,
we
document
strong
imprint
insularity
While
support
island
theory,
predicting
systems
islands,
plant–hummingbird
was
higher
mainland,
possibly
driven
competition
over
resources.
These
results
highlight
plant–pollinator
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article
Journal
blog.
Язык: Английский
Hurricanes threaten species and alter evolutionary trajectories on tropical islands
Current Biology,
Год журнала:
2024,
Номер
34(22), С. R1115 - R1120
Опубликована: Ноя. 1, 2024
Язык: Английский
Fundamental Interaction Niches: Towards a Functional Understanding of Ecological Networks' Resilience
Ecology Letters,
Год журнала:
2025,
Номер
28(6)
Опубликована: Май 30, 2025
ABSTRACT
Global
change
will
create
new
species
interactions
and
alter
or
eliminate
existing
ones,
a
process
known
as
interaction
rewiring.
This
rewiring
can
significantly
affect
how
ecosystems
function.
To
better
predict
the
future
structure
of
ecological
networks,
assessing
their
ability
to
adapt
changes
is
crucial.
Here,
we
introduce
two
concepts:
‘rewiring
capacity’
single
(the
multidimensional
trait
space
all
its
potential
partners
within
region)
potential’
local
community
total
covered
by
at
target
trophic
level
locally).
quantify
capacity
potential,
apply
methods
for
determining
species'
functional
niches
in
novel
way
assess
communities'
form
resilience
networks
global
change.
illustrate
applicability
these
concepts,
quantified
between
1002
flowering
plant
318
hummingbird
across
Americas.
The
metrics
offer
understand
network
resilience,
allowing
us
map
respond
Язык: Английский