Frontiers in Microbiology,
Journal Year:
2015,
Volume and Issue:
6
Published: May 1, 2015
Ecological
community
assembly
is
governed
by
a
combination
of
(i)
selection
resulting
from
among-taxa
differences
in
performance;
(ii)
dispersal
organismal
movement;
and
(iii)
ecological
drift
stochastic
changes
population
sizes.
The
relative
importance
nature
these
processes
can
vary
across
environments.
Selection
be
homogeneous
or
variable,
while
rate,
we
conceptualize
extreme
rates
as
two
categories;
limitation
results
limited
exchange
organisms
among
communities,
homogenizing
high
levels
organism
exchange.
To
estimate
the
influence
spatial
variation
each
process
extend
recently
developed
statistical
framework,
use
simulation
model
to
evaluate
accuracy
extended
framework
examine
subsurface
microbial
communities
over
geologic
formations.
For
degree
which
it
influenced
selection,
variable
limitation,
dispersal.
Our
analyses
revealed
that
influences
substantially
even
within
formation.
We
further
identify
environmental
features
associated
with
process,
allowed
mapping
ecological-process-influences.
maps
provide
new
lens
through
systems
understood;
system
investigated
here
they
was
rate
at
redox
conditions
change
depth.
Microbiology and Molecular Biology Reviews,
Journal Year:
2017,
Volume and Issue:
81(4)
Published: Oct. 12, 2017
Understanding
the
mechanisms
controlling
community
diversity,
functions,
succession,
and
biogeography
is
a
central,
but
poorly
understood,
topic
in
ecology,
particularly
microbial
ecology.
Although
stochastic
processes
are
believed
to
play
nonnegligible
roles
shaping
structure,
their
importance
relative
deterministic
hotly
debated.
The
of
ecological
stochasticity
structure
far
less
appreciated.
Some
main
reasons
for
such
heavy
debates
difficulty
defining
diverse
methods
used
delineating
stochasticity.
Here,
we
provide
critical
review
synthesis
data
from
most
recent
studies
on
assembly
We
then
describe
both
components
embedded
various
processes,
including
selection,
dispersal,
diversification,
drift.
also
different
approaches
inferring
observational
diversity
patterns
highlight
experimental
communities.
In
addition,
research
challenges,
gaps,
future
directions
research.
Biological reviews/Biological reviews of the Cambridge Philosophical Society,
Journal Year:
2012,
Volume and Issue:
87(3), P. 661 - 685
Published: Jan. 24, 2012
Understanding
how
landscape
characteristics
affect
biodiversity
patterns
and
ecological
processes
at
local
scales
is
critical
for
mitigating
effects
of
global
environmental
change.
In
this
review,
we
use
knowledge
gained
from
human‐modified
landscapes
to
suggest
eight
hypotheses,
which
hope
will
encourage
more
systematic
research
on
the
role
composition
configuration
in
determining
structure
communities,
ecosystem
functioning
services.
We
organize
hypotheses
under
four
overarching
themes.
Section
A:
‘landscape
moderation
patterns'
includes
(1)
species
pool
hypothesis—the
size
landscape‐wide
moderates
(alpha)
biodiversity,
(2)
dominance
beta
diversity
hypothesis—landscape‐moderated
dissimilarity
communities
determines
overrides
negative
habitat
fragmentation
biodiversity.
B:
population
dynamics'
(3)
cross‐habitat
spillover
energy,
resources
organisms
across
habitats,
including
between
managed
natural
ecosystems,
influences
community
associated
(4)
landscape‐moderated
concentration
dilution
hypothesis—spatial
temporal
changes
can
cause
transient
or
populations
with
functional
consequences.
C:
trait
selection’
(5)
selection
hypothesis—landscape
shapes
trajectory
assembly,
(6)
insurance
complexity
provides
spatial
insurance,
i.e.
high
resilience
stability
changing
environments.
D:
constraints
conservation
management'
(7)
intermediate
landscape‐complexity
effectiveness
management
highest
structurally
simple,
rather
than
cleared
(i.e.
extremely
simplified)
complex
landscapes,
(8)
versus
service
optimize
related
services
not
protect
endangered
species.
Shifting
our
focus
be
developing
solutions
future
management.
Microbiology and Molecular Biology Reviews,
Journal Year:
2013,
Volume and Issue:
77(3), P. 342 - 356
Published: Sept. 1, 2013
Recent
research
has
expanded
our
understanding
of
microbial
community
assembly.
However,
the
field
ecology
is
inaccessible
to
many
ecologists
because
inconsistent
and
often
confusing
terminology
as
well
unnecessarily
polarizing
debates.
Thus,
we
review
recent
literature
on
assembly,
using
framework
Vellend
(Q.
Rev.
Biol.
85:183-206,
2010)
in
an
effort
synthesize
unify
these
contributions.
We
begin
by
discussing
patterns
biogeography
then
describe
four
basic
processes
(diversification,
dispersal,
selection,
drift)
that
contribute
also
discuss
different
combinations
where
when
they
may
be
most
important
for
shaping
communities.
The
spatial
temporal
scales
assembly
are
discussed
relation
processes.
Throughout
this
paper,
highlight
differences
between
microbes
macroorganisms
generate
hypotheses
describing
how
end
implications
ecosystem
function
biodiversity.
Annual Review of Ecology Evolution and Systematics,
Journal Year:
2015,
Volume and Issue:
46(1), P. 1 - 23
Published: Aug. 5, 2015
The
order
and
timing
of
species
immigration
during
community
assembly
can
affect
abundances
at
multiple
spatial
scales.
Known
as
priority
effects,
these
effects
cause
historical
contingency
in
the
structure
function
communities,
resulting
alternative
stable
states,
transient
or
compositional
cycles.
mechanisms
fall
into
two
categories,
niche
preemption
modification,
conditions
for
by
be
organized
groups,
those
regarding
regional
pool
properties
local
population
dynamics.
Specifically,
requirements
must
satisfied
to
occur:
contains
that
together
dynamics
are
rapid
enough
early-arriving
preempt
modify
niches
before
other
arrive.
Organizing
current
knowledge
this
way
reveals
an
outstanding
key
question:
How
pools
yield
generated
maintained?
Philosophical Transactions of the Royal Society B Biological Sciences,
Journal Year:
2011,
Volume and Issue:
366(1576), P. 2351 - 2363
Published: July 18, 2011
Deterministic
theories
in
community
ecology
suggest
that
local,
niche-based
processes,
such
as
environmental
filtering,
biotic
interactions
and
interspecific
trade-offs
largely
determine
patterns
of
species
diversity
composition.
In
contrast,
more
stochastic
emphasize
the
importance
chance
colonization,
random
extinction
ecological
drift.
The
schisms
between
deterministic
perspectives,
which
date
back
to
earliest
days
ecology,
continue
fuel
contemporary
debates
(e.g.
niches
versus
neutrality).
As
illustrated
by
pioneering
studies
Robert
H.
MacArthur
co-workers,
resolution
these
requires
consideration
how
local
processes
changes
across
scales.
Here,
we
develop
a
framework
for
disentangling
relative
generating
site-to-site
variation
composition
(β-diversity)
along
gradients
(disturbance,
productivity
interactions)
among
biogeographic
regions
differ
size
regional
pool.
We
illustrate
discern
using
null-model
approaches
explicitly
account
factors
inherently
create
turnover.
By
embracing
scales,
can
build
synthetic
understanding
structure
biodiversity
face
emerge
from
factors.
Frontiers in Microbiology,
Journal Year:
2012,
Volume and Issue:
3
Published: Jan. 1, 2012
Microbial
communities
are
at
the
heart
of
all
ecosystems,
and
yet
microbial
community
behavior
in
disturbed
environments
remains
difficult
to
measure
predict.
Understanding
drivers
stability,
including
resistance
(insensitivity
disturbance)
resilience
(the
rate
recovery
after
is
important
for
predicting
response
disturbance.
Here,
we
provide
an
overview
concepts
stability
that
relevant
communities.
First,
highlight
insights
from
ecology
useful
defining
measuring
stability.
To
determine
whether
general
disturbance
responses
exist
communities,
next
examine
representative
studies
literature
investigated
press
(long-term)
pulse
(short-term)
disturbances
a
variety
habitats.
Then
discuss
biological
features
individual
microorganisms,
populations,
may
govern
overall
We
conclude
with
thoughts
about
unique
systems
perspectives
-
informed
by
meta-omics
data
