High rate of species misidentification reduces the taxonomic certainty of European biodiversity databases of ivies (Hedera L.)
Scientific Reports,
Journal Year:
2024,
Volume and Issue:
14(1)
Published: Feb. 28, 2024
Abstract
The
digitization
of
natural
history
specimens
and
the
popularization
citizen
science
are
creating
an
unprecedented
availability
large
amounts
biodiversity
data.
These
inventories
can
be
severely
affected
by
species
misidentification,
a
source
taxonomic
uncertainty
that
is
rarely
acknowledged
in
data
management.
For
these
reasons,
taxonomists
debate
use
online
repositories
to
address
biological
questions
at
level.
Hedera
L.
(ivies)
provides
excellent
case
study
as
it
well
represented
both
herbaria
with
thousands
records
likely
high
uncertainty.
We
analyze
sources
extent
errors
identification
European
ivy
reviewing
herbarium
find
misidentification
rate
(18%
on
average),
which
varies
between
(maximized
H.
hibernica
:
55%;
azorica
48%;
iberica
36%)
regions
UK:
38%
Spain:
27%).
systematic
all
ivies
helix
behind
rates
warn
even
higher
records.
compile
spatial
database
overcome
discrepancies
we
observed
distributions
morphologically
reviewed
Language: Английский
Habitat Suitability of Ziziphus spina‐christi and Ziziphus nummularia in a Changing Climate in the Khalijo‐Omanian Zone, Iran
Ecology and Evolution,
Journal Year:
2025,
Volume and Issue:
15(5)
Published: May 1, 2025
ABSTRACT
Climate
change,
a
global
threat
of
utmost
significance,
has
the
potential
to
trigger
shifts
in
biodiversity
distribution
and
emergence
novel
ecological
communities.
While
considerable
research
focused
on
predicting
impacts
climate
change
range
shift
species,
critical
yet
often
overlooked
aspect
is
role
changing
plants
hot,
arid,
poorly
known
ecosystems.
We
employed
an
ensemble
species
modeling
framework
investigate
how
might
affect
spatial
two
significant
indicator
Ziziphus
spina‐christi
nummularia
,
within
hot
arid
Khalijo‐Omanian
ecosystem
Iran.
ran
models
for
current
using
climatic
variables
then
projected
future
periods
(2041–2070
2071–2100)
under
different
scenarios.
These
findings
suggest
that
both
respond
differently
Some
regions
may
undergo
expansion,
whereas
others
experience
contraction
due
shifting
environmental
conditions.
Overall,
are
their
towards
higher
latitudes
as
conditions
evolve.
Conservation
management
measures,
including
identification
priority
areas,
crucial
protecting
these
species.
The
conclusions
this
study
valuable
conservation
authorities,
local
stakeholders,
individuals
dedicated
preserving
habitats.
Language: Английский
Longitudinal population dynamics of Mediterranean-Atlantic Arbutus during the last 30 ka
Review of Palaeobotany and Palynology,
Journal Year:
2024,
Volume and Issue:
325, P. 105099 - 105099
Published: March 31, 2024
The
current
distribution
of
the
genus
Arbutus
in
Old
World
prompts
questions
about
its
long-term
population
dynamics,
location
and
extent
refuge
areas,
modern
vulnerability
relation
to
climate
change
human
activity.
Our
work
aims
address
these
by
combining
occurrence
data
with
a
comprehensive
survey
pollen
macrofossil
records.
Range
maps
past
have
been
produced
for
last
32
ka
investigate
geographical
trends
dynamics
timing
appearance
across
different
biogeographical
regions.
In
Atlantic
domain,
has
consistently
present
during
ka,
even
Last
Glacial
Maximum.
central
eastern
Mediterranean
regions,
it
progressively
increased
since
beginning
Holocene,
appearing
along
coasts
Black
Sea
Levant
Middle
Holocene.
addition,
number
peripherals
stands
(Ireland,
Canary
Islands,
Cyrenaica,
Crimea,
coasts)
is
discussed.
palaeobotanical
evidence
suggests
that
delayed
emergence
populations
peripheral
fossil
record
may
be
ascribed
very
low
density,
rather
than
sequential
migration
process
from
western
sectors
range.
comparison
records
occurrences
highlights
an
overall
temporal
continuity
between
persistence
areas
centers
gravity
calls
density-weighted
ecological
models
contribute
informed
assessment
conservation
actions
strategies.
Language: Английский
Phylogenomic analysis reveals the evolutionary history of Paleartic needle-leaved junipers
Molecular Phylogenetics and Evolution,
Journal Year:
2024,
Volume and Issue:
199, P. 108162 - 108162
Published: July 26, 2024
Needle-leaved
junipers
(Juniperus
sect.
Juniperus,
Cupressaceae)
are
coniferous
trees
and
shrubs
with
red
or
blue
fleshy
cones.
They
distributed
across
Asia,
Macaronesia
the
Mediterranean
Basin,
one
species
(J.
communis)
having
a
circumboreal
distribution.
Here
we
aim
to
resolve
phylogeny
of
this
clade
infer
its
intricate
evolutionary
history.
To
do
so,
built
comprehensive,
time-calibrated
using
genotyping-by-sequencing
(GBS)
combine
it
occurrence
phylogeographic
tools.
Our
results
provide
solid
phylogenetic
resolution
propose
new
taxonomic
classification
biogeographical
history
section.
Specifically,
confirm
monophyly
two
groups
within
J.
Juniperus:
Asian
(blue-cone)
including
communis,
Mediterranean-Macaronesian
(red-cone)
species.
In
addition,
strong
evidence
for
three
distinct
badia,
conferta,
lutchuensis)
previously
considered
subspecies
varieties,
as
well
differentiation
between
eastern
western
lineages
macrocarpa.
findings
suggest
that
basin
was
primary
center
diversification
Juniperus
followed
by
an
East
Asian-Tethyan
disjunction
resulting
from
uplifts
Qinghai-Tibetan
Plateau
climatic
shifts.
The
colonization
red-cone
appears
have
taken
place
independently
in
different
geological
periods:
Miocene
(Azores)
Pliocene
(Madeira-Canary
Islands).
Overall,
genomic
data
analysis
key
consider
proposal
reconstruct
iconic
needle-leaved
Paleartic.
Language: Английский
Predicting the habitat suitability and niche dynamics of two Ziziphus species in response to climate change
Authorea (Authorea),
Journal Year:
2024,
Volume and Issue:
unknown
Published: March 18, 2024
Climate
change,
a
global
threat
of
utmost
significance,
has
the
potential
to
trigger
shifts
in
biodiversity
distribution
and
emergence
novel
ecological
communities.
For
species
with
limited
dispersal
abilities
or
geographical
barriers
within
their
range,
niche
conservatism
can
further
constrain
ability
colonize
thrive
future
suitable
habitats,
rendering
them
more
vulnerable
effects
climate
change.
In
this
study,
an
ensemble
modeling
framework
climatic
dynamics
analysis
were
employed
forecast
impact
change
on
dimensions
transferability
two
indicator
species,
namely,
Ziziphus
spina-christi
nummularia,
Iran.
Our
revealed
that,
under
optimistic
pessimistic
scenarios,
habitat
suitability
for
Z.
will
expand
during
2041-2070
2071-2100,
predominantly
towards
higher
latitudes.
contrast,
nummularia
is
anticipated
experience
general
decline
same
periods
resulting
loss
portions
its
southern
range.
examination
unveiled
relatively
low
observed
overlap
between
species.
Randomization
tests
underscored
adherence
these
historical
niches,
suggesting
challenges
adapting
changing
conditions.
The
integration
predictive
models
indicates
that
may
encounter
difficulties
migrating
tracked
niches
distant
habitats
due
preserved
niches.
Given
high
sensitivity
arid
ecosystems
environmental
disturbances
slow
recovery
rates,
repercussions
land
are
indeed
profound
irrevocable.
Conservation
management
measures,
including
identifying
priority
areas
creating
artificial
crucial
protect
species’
habitats.The
study’s
conclusions
valuable
conservation
authorities,
local
stakeholders,
individuals
dedicated
preserving
study
area.
Language: Английский
Phylogenomic Analysis Reveals the Evolutionary History of Paleartic Needle-Leaved Junipers
Published: Jan. 1, 2024
Needle-leaved
junipers
(Juniperus
sect.
Juniperus,
Cupressaceae)
are
coniferous
trees
and
shrubs
with
red
or
blue
fleshy
cones.
They
distributed
across
Asia,
Macaronesia
the
Mediterranean
Basin,
one
species
(J.
communis)
having
a
circumboreal
distribution.
Here
we
aim
to
resolve
phylogeny
of
this
clade
infer
its
intricate
evolutionary
history.
To
do
so
built
comprehensive,
time-calibrated
using
genotyping-by-sequencing
(GBS)
combine
it
occurrence
phylogeography
tools.
Our
results
provide
solid
phylogenetic
resolution
propose
new
taxonomic
classification
biogeographical
history
section.
Specifically,
confirm
monophyly
both
Asian
(blue-cone)
including
J.
communis
Mediterranean-Macaronesian
(red-cone)
species.
In
addition,
strong
evidence
for
three
distinct
badia,
conferta,
lutchuensis)
previously
considered
subspecies
varieties,
as
well
differentiation
between
eastern
western
lineages
macrocarpa.
findings
suggest
that
basin
was
primary
center
diversification
Juniperus
followed
by
an
East
Asian-Tethyan
disjunction
resulting
from
uplifts
Qinghai-Tibetan
Plateau
climatic
shifts.
The
colonization
red-cone
appears
have
taken
place
independently
in
two
different
geological
periods:
Miocene
(Azores)
Pliocene
(Madeira-Canary
Islands).
Overall,
genomic
data
analysis
key
consider
proposal
reconstruct
iconic
needle-leaved
Paleartic.
Language: Английский
Geography and associated bioclimatic factors differentially affect leaf phenolics in three ivy especies (Hedera L.) across the Iberian Peninsula
Perspectives in Plant Ecology Evolution and Systematics,
Journal Year:
2024,
Volume and Issue:
65, P. 125822 - 125822
Published: Sept. 3, 2024
The
biosynthesis
of
secondary
metabolites
in
plants,
especially
that
phenolic
compounds,
is
stimulated
to
protect
against
several
environmental
stress
factors
such
as
cold
temperatures,
drought,
and
UV-irradiance.
As
a
result,
when
species
occurs
under
different
climatic
conditions,
differences
accumulation
are
expected
across
distribution
response
the
cues.
However,
our
understanding
compounds'
natural
variation
limited,
most
knowledge
on
metabolite
stems
from
experimental
studies
conducted
controlled
conditions.
In
this
study
we
analyze
content
its
relation
geographic
three
closely
related
Hedera
(H.
helix,
H.
hibernica
iberica)
their
southwestern
range
limits
Iberian
Peninsula
(82
populations,
401
individuals).
concentrates
highest
global
richness
Hedera,
with
sharing
boundaries
along
latitudinal
longitudinal
gradient
region.
We
found
exhibited
patterns
area.
production
helix
increased
elevation
decrease
temperature
increase
contrast,
whereas
varies
latitude
summer
precipitation
regimes,
increasing
areas
no
drought.
did
not
find
any
variables
associated
iberica,
likely
due
narrow
higher
influence
microclimatic
Although
related,
results
suggest
leaf
may
be
triggered
by
conditions
each
species.
Our
underscores
species-specific
nature
role
plant
response.
Language: Английский
Unveiling the diversification and dispersal of the Lewinskya firma complex (Orthotrichaceae, Bryophyta) across Africa and India
Frontiers in Plant Science,
Journal Year:
2024,
Volume and Issue:
15
Published: Sept. 27, 2024
Intercontinental
disjunctions
are
one
of
the
most
attractive
and
interesting
biogeographical
patterns.
Bryophytes
often
exhibit
such
distributions,
which
is
partly
explained
by
their
great
ability
to
disperse
over
long
distances.
However,
intercontinental
ranges
sometimes
a
distorted
reality
caused
existence
unnoticed
species.
This
study
investigates
whether
disjunction
between
East
Africa
southern
India
moss
Lewinskya
firma
reflects
genuine
distribution
single
species
or
implies
pseudo-cryptic
(whose
morphological
differentiation
subtle
have
therefore
been
masked).
An
integrative
taxonomic
approach
combining
molecular
methods
(genotyping
sequencing,
GBS)
was
used,
based
on
representation
samples
specifically
collected
from
all
major
mountainous
regions
where
this
occurs.
Two
species,
L.
s.
str.
afroindica
sp.
nov.
involved,
whose
completely
overlap
in
Africa,
although
genetic
distance
differences
leaf
apex
shape,
vaginula
hairs
shape
papillosity,
spore
ornamentation
peristome
constitution
allow
distinguishing
both.
In
addition,
range
extends
into
both
India.
The
phylogenetic
reconstruction
obtained
shows
certain
degree
Indian
populations,
they
yet
morphologically
indistinguishable
African
populations.
results
thus
highlight
overlooked
complexity
bryophyte
biogeography.
Language: Английский
Extensive misidentification of European ivy species (Hedera L.): How taxonomically reliable are online biodiversity databases?
Research Square (Research Square),
Journal Year:
2023,
Volume and Issue:
unknown
Published: Dec. 7, 2023
Abstract
The
global
digitization
effort
and
the
popularization
of
citizen
science
is
providing
unprecedented
amount
biodiversity
online
data.
However,
these
databases
can
be
severely
affected
by
species
misidentifications,
whose
validation
may
require
access
to
specimens.
This
often
difficult,
as
most
records
lack
a
physical
voucher,
time-consuming
in
all
cases.
For
this
reason,
use
address
biological
questions
has
long
been
questioned
taxonomists.
Ivies
(
Hedera
L.)
are
an
excellent
case
evaluate
issue
they
have
tons
records,
at
level
due
high
expected
taxonomic
uncertainty.
Here
we
analyze
sources
extent
errors
ivy
Europe,
area
world
with
highest
number
species.
We
estimate
misidentification
rate
(18%
on
average),
varying
between
(maximized
H.
iberica
:
38%;
azorica
48%,
hibernica
55%)
regions
Spain:
27%,
UK:
38%).
identify
systematic
European
ivies
helix
associated
cascade
error
effects.
compile
spatial
database
overcome
large
discrepancies
observed
distributions
morphologically
reviewed
records.
Language: Английский