Diversity and Distributions,
Journal Year:
2018,
Volume and Issue:
24(11), P. 1657 - 1673
Published: June 12, 2018
Abstract
Aim
Accurate
predictions
of
cetacean
distributions
are
essential
to
their
conservation
but
limited
by
statistical
challenges
and
a
paucity
data.
This
study
aimed
at
comparing
the
capacity
various
algorithms
deal
with
biases
commonly
found
in
nonsystematic
surveys
evaluate
potential
for
citizen
science
data
improve
habitat
modelling
predictions.
An
endangered
population
humpback
whales
(
Megaptera
novaeangliae
)
breeding
ground
was
used
as
case
study.
Location
New
Caledonia,
Oceania.
Methods
Five
were
model
preferences
from
1,360
sightings
collected
over
14
years
research
surveys.
Three
different
background
sampling
approaches
tested
when
developing
models
625
crowdsourced
assess
methods
accounting
spatial
bias.
Model
evaluation
conducted
through
cross‐validation
prediction
an
independent
satellite
tracking
dataset.
Results
Algorithms
differed
complexity
environmental
relationships
modelled,
ecological
interpretability
transferability.
While
parameter
tuning
had
great
effect
on
performances,
GLM
s
generally
low
predictive
performance,
SVM
particularly
hard
interpret,
BRT
high
descriptive
power
showed
signs
overfitting.
MAXENT
especially
GAM
provided
valuable
trade‐off,
accurate
ecologically
intelligible.
Models
that
favoured
cool
(22–23°C)
shallow
waters
(0–100
m
deep)
coastal
well
offshore
areas.
Citizen
converged
survey
models,
specifically
Main
conclusions
Marine
megafauna
distribution
present
specific
may
be
addressed
integrative
evaluation,
testing
appropriately
tuned
algorithms.
Specifically,
controlling
overfitting
is
priority
predicting
large‐scale
perspectives.
appear
powerful
tool
describe
habitat.
Trends in Ecology & Evolution,
Journal Year:
2019,
Volume and Issue:
35(1), P. 56 - 67
Published: Nov. 2, 2019
With
the
expansion
in
quantity
and
types
of
biodiversity
data
being
collected,
there
is
a
need
to
find
ways
combine
these
different
sources
provide
cohesive
summaries
species'
potential
realized
distributions
space
time.
Recently,
model-based
integration
has
emerged
as
means
achieve
this
by
combining
datasets
that
retain
strengths
each.
We
describe
flexible
approach
using
point
process
models,
which
convenient
way
translate
across
ecological
currencies.
highlight
recent
examples
large-scale
models
based
on
outline
conceptual
technical
challenges
opportunities
arise.
Joint
species
distribution
modelling
(JSDM)
is
a
fast-developing
field
and
promises
to
revolutionise
how
data
on
ecological
communities
are
analysed
interpreted.
Written
for
both
readers
with
limited
statistical
background,
those
expertise,
this
book
provides
comprehensive
account
of
JSDM.
It
enables
integrate
abundances,
environmental
covariates,
traits,
phylogenetic
relationships,
the
spatio-temporal
context
in
which
have
been
acquired.
Step-by-step
coverage
full
technical
detail
methods
provided,
as
well
advice
interpreting
results
analyses
broader
modern
community
ecology
theory.
With
advantage
numerous
example
R-scripts,
an
ideal
guide
help
graduate
students
researchers
learn
conduct
interpret
practice
R-package
Hmsc,
providing
fast
starting
point
applying
joint
their
own
data.
Methods in Ecology and Evolution,
Journal Year:
2019,
Volume and Issue:
10(1), P. 22 - 37
Published: Jan. 1, 2019
Abstract
With
the
advance
of
methods
for
estimating
species
distribution
models
has
come
an
interest
in
how
to
best
combine
datasets
improve
estimates
distributions.
This
spurred
development
data
integration
that
simultaneously
harness
information
from
multiple
while
dealing
with
specific
strengths
and
weaknesses
each
dataset.
We
outline
general
principles
have
guided
review
recent
developments
field.
then
key
areas
allow
a
more
framework
integrating
provide
suggestions
improving
sampling
design
validation
integrated
models.
Key
advances
been
using
point‐process
thinking
estimators
developed
different
types.
Extending
this
new
types
will
further
our
inferences,
as
well
relaxing
assumptions
about
parameters
are
jointly
estimated.
These
along
better
use
regarding
effort
spatial
autocorrelation
inferences.
Recent
form
strong
foundation
implementation
Wider
adoption
can
inferences
distributions
dynamic
processes
lead
distributional
shifts.
Frontiers in Marine Science,
Journal Year:
2017,
Volume and Issue:
4
Published: Dec. 17, 2017
In
the
marine
environment
Species
Distribution
Models
(SDMs)
have
been
used
in
hundreds
of
papers
for
predicting
present
and
future
geographic
range
environmental
niche
species.
We
analysed
ways
which
SDMs
are
being
applied
to
species
order
recommend
best
practice
studies.
This
systematic
review
was
registered
as
a
protocol
on
Open
Science
Framework:
https://osf.io/tngs6/.
The
literature
reviewed
(236
papers)
published
between
1992
July
2016.
number
significantly
increased
through
time
(R2=0.92,
p<0.05).
studies
were
predominantly
carried
out
Temperate
Northern
Atlantic
(45%)
followed
by
global
scale
(11%)
Australasia
(10%).
majority
focused
theoretical
ecology
(37%)
including
investigations
biological
invasions
non-native
organisms,
conservation
planning
(19%),
climate
change
predictions
(17%).
Most
ecological,
multidisciplinary
or
biodiversity
journals.
(94%)
failed
report
amount
uncertainty
derived
from
data
deficiencies
model
parameters.
Best
recommendations
proposed
here
ensure
that
novice
advanced
SDM
users
can
(a)
understand
main
elements
SDMs,
(b)
reproduce
standard
methods
analysis,
(c)
identify
potential
limitations
with
their
data.
suggest
future,
should
key
features
approaches
employed,
deficiencies,
selection
explanatory
model,
approach
taken
validate
results.
addition,
based
reviewed,
we
account
levels
part
modelling
process.
Ecology,
Journal Year:
2019,
Volume and Issue:
100(6)
Published: March 30, 2019
Understanding
and
accurately
modeling
species
distributions
lies
at
the
heart
of
many
problems
in
ecology,
evolution,
conservation.
Multiple
sources
data
are
increasingly
available
for
distributions,
such
as
from
citizen
science
programs,
atlases,
museums,
planned
surveys.
Yet
reliably
combining
can
be
challenging
because
vary
considerably
their
design,
gradients
covered,
potential
sampling
biases.
We
review,
synthesize,
illustrate
recent
developments
multiple
distribution
modeling.
identify
five
ways
which
typically
combined
distributions.
These
approaches
ability
to
accommodate
bias,
uncertainty
when
quantifying
environmental
relationships
models.
Many
challenges
solved
through
prudent
use
integrated
models:
models
that
simultaneously
combine
different
on
locations
quantify
explaining
distribution.
these
using
survey
24
birds
coupled
with
opportunistically
collected
eBird
southeastern
United
States.
This
example
illustrates
some
benefits
integration,
increased
precision
relationships,
greater
predictive
accuracy,
accounting
sample
bias.
it
also
vastly
methodologies
amounts
data.
provide
one
solution
this
challenge
weighted
joint
likelihoods.
Weighted
likelihoods
a
means
emphasize
based
criteria
(e.g.,
size),
we
find
weighting
improves
predictions
all
considered.
conclude
by
providing
practical
guidance
Diversity and Distributions,
Journal Year:
2021,
Volume and Issue:
27(7), P. 1265 - 1277
Published: May 7, 2021
Abstract
Aim
Ecological
data
collected
by
the
general
public
are
valuable
for
addressing
a
wide
range
of
ecological
research
and
conservation
planning,
there
has
been
rapid
increase
in
scope
volume
available.
However,
from
eBird
or
other
large‐scale
projects
with
volunteer
observers
typically
present
several
challenges
that
can
impede
robust
inferences.
These
include
spatial
bias,
variation
effort
species
reporting
bias.
Innovation
We
use
example
estimating
distributions
eBird,
community
science
citizen
(CS)
project.
estimate
two
widely
used
metrics
distributions:
encounter
rate
occupancy
probability.
For
each
metric,
we
critically
assess
impact
processing
steps
either
degrade
refine
analyses.
CS
density
varies
across
globe,
so
also
test
whether
differences
model
performance
to
sample
size.
Main
conclusions
Model
improved
when
analytical
methods
addressed
arising
data;
however,
degree
improvement
varied
density.
The
largest
gains
observed
were
achieved
1)
complete
checklists
(where
report
all
they
detect
identify,
allowing
non‐detections
be
inferred)
2)
covariates
describing
detectability
checklist.
Occupancy
models
more
lack
checklists.
Improvements
refinement
evident
larger
sizes.
In
general,
found
value
situation
encourage
researchers
benefits
scenarios.
approaches
will
enable
effectively
harness
vast
knowledge
exists
within
basic
research.
Frontiers in Ecology and the Environment,
Journal Year:
2021,
Volume and Issue:
19(1), P. 30 - 38
Published: Feb. 1, 2021
Data
integration
is
a
statistical
modeling
approach
that
incorporates
multiple
data
sources
within
unified
analytical
framework.
Macrosystems
ecology
–
the
study
of
ecological
phenomena
at
broad
scales,
including
interactions
across
scales
increasingly
employs
techniques
to
expand
spatiotemporal
scope
research
and
inferences,
increase
precision
parameter
estimates,
account
for
uncertainty
in
estimates
multiscale
processes.
We
highlight
four
common
challenges
macrosystems
research:
scale
mismatches,
unbalanced
data,
sampling
biases,
model
development
assessment.
explain
each
problem,
discuss
current
approaches
address
issue,
describe
potential
areas
overcome
these
hurdles.
Use
has
increased
rapidly
recent
years,
given
inferential
value
such
approaches,
we
expect
continued
wider
application
disciplines,
especially
ecology.
Molecular Ecology Resources,
Journal Year:
2021,
Volume and Issue:
21(5), P. 1422 - 1433
Published: March 3, 2021
Abstract
Global
declines
in
biodiversity
highlight
the
need
to
effectively
monitor
density
and
distribution
of
threatened
species.
In
recent
years,
molecular
survey
methods
detecting
DNA
released
by
target‐species
into
their
environment
(eDNA)
have
been
rapidly
on
rise.
Despite
providing
new,
cost‐effective
tools
for
conservation,
eDNA‐based
are
prone
errors.
Best
field
laboratory
practices
can
mitigate
some,
but
risks
errors
cannot
be
eliminated
accounted
for.
Here,
we
synthesize
advances
data
processing
that
increase
reliability
interpretations
drawn
from
eDNA
data.
We
review
occupancy
models
consider
spatial
data‐structures
simultaneously
assess
rates
false
positive
negative
results.
Further,
introduce
process‐based
integration
metabarcoding
as
complementing
approaches
assessments.
These
will
most
effective
when
capitalizing
multi‐source
sets
collating
with
classical
citizen‐science
approaches,
paving
way
more
robust
decision‐making
processes
conservation
planning.
Wildlife Research,
Journal Year:
2021,
Volume and Issue:
48(4), P. 289 - 303
Published: March 18, 2021
Citizen
science
initiatives
and
the
data
they
produce
are
increasingly
common
in
ecology,
conservation
biodiversity
monitoring.
Although
quality
of
citizen
has
historically
been
questioned,
biases
can
be
detected
corrected
for,
allowing
these
to
become
comparable
professionally
collected
data.
Consequently,
is
being
integrated
with
professional
science,
collection
at
unprecedented
spatial
temporal
scales.
iNaturalist
one
most
popular
platforms
globally,
more
than
1.4
million
users
having
contributed
over
54
observations.
Australia
top
contributing
nation
southern
hemisphere,
four
nations
1.6
observations
36
000
identified
species
by
almost
27
users.
Despite
platform’s
success,
there
few
holistic
syntheses
contributions
iNaturalist,
especially
for
Australia.
Here,
we
outline
history
from
an
Australian
perspective,
summarise,
taxonomically,
temporally
spatially,
platform.
We
conclude
discussing
important
future
directions
maximise
usefulness
ecological
research,
policy.