Assessment of Planktonic Community Diversity and Stability in Lakes and Reservoirs Based on eDNA Metabarcoding——A Case Study of Minghu National Wetland Park, China
Tengteng Hou,
Sicong Lu,
Jian Shao
и другие.
Environmental Research,
Год журнала:
2025,
Номер
unknown, С. 121025 - 121025
Опубликована: Фев. 1, 2025
To
evaluate
the
potential
differences
in
plankton
diversity
and
stability
within
freshwater
lake
reservoir
ecosystems,
this
study
employed
eDNA
metabarcoding
to
analyze
diversity,
assembly
mechanisms,
stability,
environmental
drivers
of
communities
natural
water
(Y
region)
artificial
(M
at
Liupanshui
Minghu
National
Wetland
Park,
Guizhou
Province,
China.
The
revealed
notable
regional
variations
mechanisms.
Specifically,
Shannon,
Simpson,
Pielou's
evenness
indices
were
higher
M
region,
suggesting
a
more
complex
species
composition
compared
Y
region.
Analysis
community
mechanisms
indicated
that
both
regions
influenced
by
combination
stochastic
deterministic
processes,
with
processes
serving
as
dominant
driver.
Through
LEfSe
analysis,
Random
Forest
predictions,
molecular
ecological
network
evaluations,
certain
OTUs
identified
"dual-characteristic"
consistently
highlighted.
These
may
play
critical
role
shaping
contributing
stability.
Environmental
further
clarified
these
differences.
Redundancy
analysis
(RDA)
demonstrated
TDS
was
primary
factor
driving
key
zooplankton
species,
while
EC
DO
significant
factors
influencing
distribution
phytoplankton
species.
Stability
assessments,
which
combined
coefficient
variation
population
density,
This
indicates
system
has
greater
resistance
disturbances
findings
provide
fundamental
support
for
assessing
health
aquatic
well
effective
monitoring
biodiversity
conservation
ecosystems.
Язык: Английский
Amplified impacts of human activities: Non-linear responses of riverine microbial communities to distribution of land use
Journal of Environmental Management,
Год журнала:
2025,
Номер
373, С. 123937 - 123937
Опубликована: Янв. 1, 2025
Язык: Английский
Polystyrene nanoplastics reshape the peatland plants (Sphagnum) bacteriome under simulated wet-deposition pathway: insights into unequal impact of ecological niches
Journal of Hazardous Materials,
Год журнала:
2025,
Номер
unknown, С. 138004 - 138004
Опубликована: Март 1, 2025
Язык: Английский
Distribution Pattern and Assembly Process of Fungal Communities Along Altitude Gradient in Sediments of the Yellow River Basin
Journal of Fungi,
Год журнала:
2025,
Номер
11(3), С. 214 - 214
Опубликована: Март 11, 2025
Microorganisms
have
a
profound
impact
on
the
stability
and
ecological
health
of
aquatic
environments.
Fungi,
as
important
components
river
ecosystems,
play
critical
roles
decomposers
symbionts.
A
comprehensive
understanding
mechanisms
underlying
fungal
community
assembly
is
essential
for
effective
conservation
management
ecosystems.
However,
distribution
patterns
process
communities
along
elevation
gradients
in
sediments
remain
poorly
understood.
In
this
study,
ITS
amplicon
sequencing,
neutral
model,
null
model
were
employed
to
analyze
processes
altitudinal
gradient
Yellow
River.
The
results
indicated
that
Ascomycota
(47.79%)
Basidiomycota
(15.68%)
identified
dominant
phyla
sediments,
collectively
accounting
63.47%
total
relative
abundance
community.
three
different
gradients,
diversity
(Shannon)
showed
gradually
decreasing
trend
with
increasing
altitude.
co-line
networks
exhibited
positive
interactions
had
more
complex
compact
Tibetan
Plateau
area
(YRA).
Environmental
factors
played
an
role
shaping
structure
communities,
lead
(Pb),
nitrogen
(TN),
silt,
organic
carbon
(TOC)
being
main
driving
changes
structure,
contributing
15.5%,
12.3%,
10.7%,
10.2%,
respectively.
process,
deterministic
found
dominate,
homogenizing
selection
most
(69.66%).
These
research
help
us
understand
assembly,
also
provide
scientific
basis
biodiversity
rational
use
biological
resources.
Язык: Английский