bioRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2023,
Номер
unknown
Опубликована: Сен. 17, 2023
Abstract
Comprehensive
biodiversity
data
is
crucial
for
ecosystem
protection.
The
‘
Biome
’
mobile
app,
launched
in
Japan,
efficiently
gathers
species
observations
from
the
public
using
identification
algorithms
and
gamification
elements.
app
has
amassed
>6M
since
2019.
Nonetheless,
community-sourced
may
exhibit
spatial
taxonomic
biases.
Species
distribution
models
(SDMs)
estimate
while
accommodating
such
bias.
Here,
we
investigated
quality
of
its
impact
on
SDM
performance.
accuracy
exceeds
95%
birds,
reptiles,
mammals,
amphibians,
but
seed
plants,
mollusks,
fishes
scored
below
90%.
Our
SDMs
132
terrestrial
plants
animals
across
Japan
revealed
that
incorporating
into
traditional
survey
improved
accuracy.
For
endangered
species,
required
>2,000
records
accurate
(Boyce
index
≥
0.9),
blending
two
sources
reduced
this
to
around
300.
uniform
coverage
urban-natural
gradients
by
data,
compared
biased
towards
natural
areas,
explain
improvement.
Combining
multiple
better
estimates
distributions,
aiding
protected
area
designation
service
assessment.
Establishing
a
platform
accumulating
will
contribute
conserving
monitoring
ecosystems.
Global Ecology and Biogeography,
Год журнала:
2024,
Номер
33(6)
Опубликована: Март 23, 2024
Abstract
Aim
Eucalypts
are
important
and
popular
urban
tree
species
across
cities
worldwide.
However,
little
is
known
about
how
their
climatic
niche
breadth
(CNB)
functional
traits
predict
success,
vulnerability,
to
current
climate
change
in
cities.
We
assessed
the
relationship
between
CNB
of
eucalypts
key
understand
tolerance
change.
Location
Global
areas,
66
21
countries.
Time
period
1981
2022.
Major
studied
Fifty
‘eucalypt’
belonging
genera
Eucalyptus
,
Angophora
Corymbia
.
Methods
used
species'
safety
margin
concept
determine
where
were
planted
outside
limits
CNB,
as
defined
from
native
range,
considering
two
extreme
variables,
maximum
temperature
warmest
month
(MTWM)
precipitation
driest
(PDM).
correlations
(leaf
δ
13
C,
leaf
dry
mass,
length,
N
per
wood
density)
negative
margins,
indicative
non‐native
conditions.
Results
In
total,
42
40
exceeded
margins
for
MTWM,
while
43
38
PDM.
Within
24
cities,
all
both
MTWM
The
Atakpame
(Togo),
Chennai
(India),
Chongqing
(China)
US
Phoenix
Riverside
had
highest
richness
eucalypt
growing
CNB.
Broadly,
with
wide
small
leaves,
high
mass
density
more
likely
persist
conditions
Main
conclusions
occupy
many
experiencing
Species
characteristic
heat
drought
often
may
exceed
limits.
Spatial
truncation
in
species
distribution
models
(SDMs)
might
cause
niche
and
model
transferability
issues,
particularly
when
extrapolating
to
non‐analog
environmental
conditions.
While
broad
calibration
extents
reduce
they
usually
overlook
local
ecological
factors
driving
distributions
at
finer
resolution.
Spatially‐nested
hierarchical
SDMs
(HSDMs)
address
by
merging
(a)
a
global
calibrated
with
broadly
extended,
yet
typically
low‐resolution,
basic,
imprecise
data;
(b)
regional
spatially
restricted
but
more
precise
reliable
data.
This
study
aimed
examine
HSDMs'
efficacy
overcome
spatial
national‐scale
studies.
We
compared
two
strategies
(‘covariate',
which
uses
the
output
as
covariate
for
model,
‘multiply',
calculates
geometric
mean
of
models)
non‐hierarchical
strategy.
The
three
were
terms
truncation,
extrapolation,
performance,
species'
predicted
shifts,
trends
richness.
examined
consistency
results
over
areas
(Spain
Switzerland),
108
tree
species,
four
future
climate
scenarios.
Only
strategy
was
susceptible
extrapolation
issues.
Hierarchical
strategies,
‘covariate'
one,
presented
greater
accuracy
than
strategies.
highest
overall
values
lowest
decreases
time
ranges
Differences
between
evident
Switzerland,
affected
Spain
negatively
change
extrapolation.
exhibited
higher
performance
‘multiply'
one.
However,
uncertainties
regarding
temporal
advocate
adopting
further
examining
multiple
approaches.
research
underscores
importance
spatially‐nested
given
compromised
reliability
approaches
due
A
recent
review
of
species
distribution
modelling
(SDM)
published
in
Earth
contains
much
useful
information.
However,
the
introductory
paragraphs
lack
basic
information
about
first
SDM
package
called
BIOCLIM,
which
became
available
January
1984.
For
example,
BIOCLIM-related
advances
underpinned
development
most
used
variables
and
data.
The
climate
change
studies
1988
highlighted
importance
ex
situ
native
This
brief
note
highlights
early
work
its
continuing
relevance.
Comprehensive
biodiversity
data
is
crucial
for
ecosystem
protection.
The
Biome
mobile
app,
launched
in
Japan,
efficiently
gathers
species
observations
from
the
public
using
identification
algorithms
and
gamification
elements.
app
has
amassed
>6
million
since
2019.
Nonetheless,
community-sourced
may
exhibit
spatial
taxonomic
biases.
Species
distribution
models
(SDMs)
estimate
while
accommodating
such
bias.
Here,
we
investigated
quality
of
its
impact
on
SDM
performance.
accuracy
exceeds
95%
birds,
reptiles,
mammals,
amphibians,
but
seed
plants,
molluscs,
fishes
scored
below
90%.
Our
SDMs
132
terrestrial
plants
animals
across
Japan
revealed
that
incorporating
into
traditional
survey
improved
accuracy.
For
endangered
species,
required
>2000
records
accurate
(Boyce
index
≥
0.9),
blending
two
sources
reduced
this
to
around
300.
uniform
coverage
urban-natural
gradients
by
data,
compared
biased
towards
natural
areas,
explain
improvement.
Combining
multiple
better
estimates
distributions,
aiding
protected
area
designation
service
assessment.
Establishing
a
platform
accumulating
will
contribute
conserving
monitoring
ecosystems.
Comprehensive
biodiversity
data
is
crucial
for
ecosystem
protection.
The
Biome
mobile
app,
launched
in
Japan,
efficiently
gathers
species
observations
from
the
public
using
identification
algorithms
and
gamification
elements.
app
has
amassed
>6
million
since
2019.
Nonetheless,
community-sourced
may
exhibit
spatial
taxonomic
biases.
Species
distribution
models
(SDMs)
estimate
while
accommodating
such
bias.
Here,
we
investigated
quality
of
its
impact
on
SDM
performance.
accuracy
exceeds
95%
birds,
reptiles,
mammals,
amphibians,
but
seed
plants,
molluscs,
fishes
scored
below
90%.
Our
SDMs
132
terrestrial
plants
animals
across
Japan
revealed
that
incorporating
into
traditional
survey
improved
accuracy.
For
endangered
species,
required
>2000
records
accurate
(Boyce
index
≥
0.9),
blending
two
sources
reduced
this
to
around
300.
uniform
coverage
urban-natural
gradients
by
data,
compared
biased
towards
natural
areas,
explain
improvement.
Combining
multiple
better
estimates
distributions,
aiding
protected
area
designation
service
assessment.
Establishing
a
platform
accumulating
will
contribute
conserving
monitoring
ecosystems.