Landscape Ecology,
Journal Year:
2023,
Volume and Issue:
38(4), P. 949 - 965
Published: Jan. 6, 2023
Abstract
Context
Human-induced
changes
in
landscape
structure
are
among
the
main
causes
of
biodiversity
loss.
Despite
their
important
contribution
to
and
ecosystem
functioning,
microbes—and
particularly
protists—remain
spatially
understudied.
Soil
microbiota
most
often
driven
by
local
soil
properties,
but
influence
surrounding
is
rarely
assessed.
Objectives
We
assessed
effect
on
protist
alpha
beta
diversity
meadows
western
Swiss
Alps.
Methods
sampled
178
plots
along
an
elevation
gradient
representing
a
broad
range
environmental
conditions
land-use.
measured
around
each
plot
at
5
successive
spatial
scales
(i.e.
neighbourhood
windows
increasing
radius,
ranging
from
100
2000
m
plot).
investigated
as
function
structure,
geographic
distance.
Results
Landscape
structures,
especially
percentage
meadows,
forests,
or
open
habitats,
played
key
role
for
diversity.
The
importance
was
comparable
that
variables,
increased
with
size
window
considered.
Conclusions
Our
results
suggest
dispersal
neighbouring
habitats
driver
which
highlight
landscape-scale
assembly
mechanisms
microbial
emerges
communities
has
profound
implications
our
understanding
consequences
land-use
change
associated
functions.
Microbiology and Molecular Biology Reviews,
Journal Year:
2023,
Volume and Issue:
87(4)
Published: Nov. 10, 2023
SUMMARY
Communities
of
microorganisms
(microbiota)
are
present
in
all
habitats
on
Earth
and
relevant
for
agriculture,
health,
climate.
Deciphering
the
mechanisms
that
determine
microbiota
dynamics
functioning
within
context
their
respective
environments
or
hosts
(the
microbiomes)
is
crucially
important.
However,
sheer
taxonomic,
metabolic,
functional,
spatial
complexity
most
microbiomes
poses
substantial
challenges
to
advancing
our
knowledge
these
mechanisms.
While
nucleic
acid
sequencing
technologies
can
chart
composition
with
high
precision,
we
mostly
lack
information
about
functional
roles
interactions
each
strain
a
given
microbiome.
This
limits
ability
predict
microbiome
function
natural
and,
case
dysfunction
dysbiosis,
redirect
onto
stable
paths.
Here,
will
discuss
systematic
approach
(dubbed
N
+
1/N−1
concept)
enable
step-by-step
dissection
assembly
functioning,
as
well
intervention
procedures
introduce
eliminate
one
particular
microbial
at
time.
The
N+1/N−1
concept
informed
by
invasion
events
selects
culturable,
genetically
accessible
microbes
well-annotated
genomes
proliferation
decline
defined
synthetic
and/or
complex
microbiota.
enables
harnessing
classical
microbiological
diversity
approaches,
omics
tools
mathematical
modeling
decipher
underlying
outcomes.
Application
this
further
provides
stepping
stones
benchmarks
structure
analyses
more
strategies.
Microorganisms,
Journal Year:
2025,
Volume and Issue:
13(2), P. 465 - 465
Published: Feb. 19, 2025
Storage
reservoirs
are
crucial
components
of
long-distance
water
diversion
projects,
where
may
lead
to
changes
in
microbial
diversity
and
community
structure.
Seasonal
variations
also
drive
alterations
communities.
However,
the
way
that
microbes
assemble
under
combined
effects
seasonal
storage
reservoir
has
not
been
extensively
studied.
Jihongtan
Reservoir
is
terminal
Yellow
River
Qingdao
Water
Diversion
Project
(YQWD),
which
had
an
average
annual
period
exceeding
290
days
recent
years.
In
this
study,
16S
rDNA
amplicon
sequencing
was
used
investigate
dynamics
assembly
planktonic
bacterial
communities
during
Reservoir.
The
results
indicate
bacteria
were
able
maintain
stable
across
all
four
seasons,
while
structure
underwent
significant
succession.
temperature
(WT)
found
be
primary
driving
environmental
factor
influencing
dynamic
Co-occurrence
network
patterns
varied
different
particularly
spring
winter.
displayed
most
complexity,
showcasing
highest
connectivity
greater
stability.
contrast,
winter
simpler,
exhibiting
lower
local
but
higher
global
analysis
neutral
model
null
revealed
relative
importance
deterministic
stochastic
processes
governing
varies
seasonally.
Stochastic
(dispersal
limitation)
more
prominent
spring,
summer,
autumn,
(heterogeneous
selection)
play
a
role
This
study
essential
for
gaining
comprehensive
understanding
projects
offers
valuable
references
assessment
other
similar
projects.
