Global Ecology and Biogeography,
Journal Year:
2023,
Volume and Issue:
32(10), P. 1680 - 1689
Published: July 25, 2023
Abstract
Motivation
We
have
little
understanding
of
how
communities
respond
to
varying
magnitudes
and
rates
environmental
perturbations
across
temporal
scales.
BioDeepTime
harmonizes
assemblage
time
series
presence
abundance
data
help
facilitate
investigations
community
dynamics
timescales
the
response
natural
anthropogenic
stressors.
includes
terrestrial
aquatic
assemblages
spatial
grain
extent
from
present‐day
millions
years
ago.
Main
Types
Variables
Included
currently
contains
7,437,847
taxon
records
10,062
series,
each
with
a
minimum
10
steps.
Age
constraints,
sampling
method,
environment
taxonomic
scope
are
provided
for
series.
Spatial
Location
Grain
The
database
8752
unique
locations
freshwater,
marine
ecosystems.
represented
by
individual
samples
varies
quadrats
on
order
several
cm
2
grid
cells
~100
km
.
Time
Period
in
aggregate
spans
last
451
million
years,
modern
fossil
ranging
years.
median
is
18.7
54,872
Temporal
grain,
encompassed
samples,
ranges
days
tens
thousands
Major
Taxa
Level
Measurement
information
28,777
taxa
4,769,789
at
species
level
another
271,218
known
genus
level,
including
benthic
planktonic
foraminifera,
coccolithophores,
diatoms,
ostracods,
plants
(pollen),
radiolarians
other
invertebrates
vertebrates.
There
date
7012
3050
BioDeepTime.
Software
Format
SQLite,
Comma‐separated
values.
Palaeontology,
Journal Year:
2022,
Volume and Issue:
65(4)
Published: July 1, 2022
Abstract
We
examine
three
distinctive
biostratigraphic
signatures
of
humans
associated
with
hunting
and
gathering,
landscape
domestication
globalization.
All
have
significant
fossil
records
regional
importance
that
can
be
correlated
inter‐regionally
help
describe
the
developing
pattern
human
expansion
appropriation
resources.
While
none
individual
first
or
last
appearances
provide
a
globally
isochronous
marker,
all
overlap
stratigraphically,
in
they
are
part
continuum
change,
complex
patterns.
Here
we
show
during
later
stages
globalization,
late
nineteenth
to
twentieth
century
species
translocations
used
build
an
interconnected
web
palaeontological
correlation
decadal
sub‐decadal
precision
dovetails
other
stratigraphic
markers
for
Anthropocene.
This
is
also
proxy
accelerating
extinction
state
shift
biosphere
century.
Global Ecology and Biogeography,
Journal Year:
2023,
Volume and Issue:
32(8), P. 1377 - 1394
Published: May 2, 2023
Abstract
Aim
Palaeoecological
data
are
crucial
for
comprehending
large‐scale
biodiversity
patterns
and
the
natural
anthropogenic
drivers
that
influence
them
over
time.
Over
last
decade,
availability
of
open‐access
research
databases
palaeoecological
proxies
has
substantially
increased.
These
open
door
to
questions
needing
advanced
numerical
analyses
modelling
based
on
big‐data
compilations.
However,
compiling
analysing
pose
unique
challenges
require
a
guide
producing
standardized
reproducible
Innovation
We
present
step‐by‐step
how
process
fossil
pollen
into
dataset
compilation
ready
macroecological
analyses.
describe
successive
criteria
will
enhance
quality
Though
these
project
question‐dependent,
we
discuss
most
important
assumptions
should
be
considered
adjusted
accordingly.
Our
is
accompanied
by
an
R‐workflow—called
FOSSILPOL
—and
corresponding
R‐package—called
R‐Fossilpol—
provide
detailed
protocol
interdisciplinary
users.
illustrate
workflow
sourcing
processing
Scandinavian
datasets
show
reproducibility
continental‐scale
processing.
Main
Conclusions
The
study
through
time
space
requires
syntheses
datasets.
preparation
such
must
transparent
reproducible.
With
our
R‐package,
optimal
handling
large
compilations
reproducibility.
also
relevant
synthesis
other
as
offers
synthetic
cross‐disciplinary
with
macroecological,
biogeographical
perspectives.
emphasize
expertise
informed
decisions
knowledge
remain
high‐quality
strongly
embedded
in
studies
rely
increasing
amount
data.
Global Ecology and Biogeography,
Journal Year:
2023,
Volume and Issue:
32(10), P. 1680 - 1689
Published: July 25, 2023
Abstract
Motivation
We
have
little
understanding
of
how
communities
respond
to
varying
magnitudes
and
rates
environmental
perturbations
across
temporal
scales.
BioDeepTime
harmonizes
assemblage
time
series
presence
abundance
data
help
facilitate
investigations
community
dynamics
timescales
the
response
natural
anthropogenic
stressors.
includes
terrestrial
aquatic
assemblages
spatial
grain
extent
from
present‐day
millions
years
ago.
Main
Types
Variables
Included
currently
contains
7,437,847
taxon
records
10,062
series,
each
with
a
minimum
10
steps.
Age
constraints,
sampling
method,
environment
taxonomic
scope
are
provided
for
series.
Spatial
Location
Grain
The
database
8752
unique
locations
freshwater,
marine
ecosystems.
represented
by
individual
samples
varies
quadrats
on
order
several
cm
2
grid
cells
~100
km
.
Time
Period
in
aggregate
spans
last
451
million
years,
modern
fossil
ranging
years.
median
is
18.7
54,872
Temporal
grain,
encompassed
samples,
ranges
days
tens
thousands
Major
Taxa
Level
Measurement
information
28,777
taxa
4,769,789
at
species
level
another
271,218
known
genus
level,
including
benthic
planktonic
foraminifera,
coccolithophores,
diatoms,
ostracods,
plants
(pollen),
radiolarians
other
invertebrates
vertebrates.
There
date
7012
3050
BioDeepTime.
Software
Format
SQLite,
Comma‐separated
values.