Challenge to Lake Ecosystems: Changes in Thermal Structure Triggered by Climate Change
Water,
Год журнала:
2024,
Номер
16(6), С. 888 - 888
Опубликована: Март 20, 2024
Human
activities,
global
warming,
frequent
extreme
weather
events,
and
changes
in
atmospheric
composition
affect
the
solar
radiation
reaching
Earth’s
surface,
mass
heat
transfer
at
air–water
interface,
induce
oscillations
wind-driven
internal
waves.
This
leads
to
spatiotemporal
characteristics
of
thermal
stratification
lakes,
altering
lake
circulation
patterns
vertical
transfer.
However,
structures
are
often
overlooked.
The
intensification
due
warming
may
lead
increased
release
bottom
pollutants,
spreading
through
dynamic
behavior
thermocline
epilimnion.
Moreover,
storage
is
beneficial
for
growth
development
certain
phytoplankton,
resulting
rapid
transitions
original
steady
state
lakes.
Consequently,
water
quality
deterioration,
ecological
degradation,
declining
biodiversity
occur.
Conventional
surface
monitoring
not
provide
comprehensive,
accurate,
timely
assessments.
Model
simulations
can
better
predict
future
behaviors,
reducing
financial
burdens,
providing
more
refined
assessments,
thus
preventing
subsequent
environmental
issues.
Язык: Английский
Unveiling associations between heavy metals and bacterial functional assembly under the impact of Spartina alterniflora invasion in the Yellow River Delta wetland
Environmental Technology & Innovation,
Год журнала:
2025,
Номер
unknown, С. 104120 - 104120
Опубликована: Март 1, 2025
Язык: Английский
Environmental drivers of microbial assembly and stability in lakes across biogeographical regions
Ecological Indicators,
Год журнала:
2025,
Номер
172, С. 113324 - 113324
Опубликована: Март 1, 2025
Язык: Английский
Cyanobacterial blooms specifically alter the dispersal-mediated taxonomic and functional vertical similarity of microbial communities in a subtropical reservoir
Water Research,
Год журнала:
2025,
Номер
unknown, С. 123574 - 123574
Опубликована: Март 1, 2025
Язык: Английский
Distinct ecological niches and community dynamics: understanding free-living and particle-attached bacterial communities in an oligotrophic deep lake
Guijuan Xie,
Chuanbo Sun,
Wenlei Luo
и другие.
Applied and Environmental Microbiology,
Год журнала:
2024,
Номер
90(7)
Опубликована: Июль 24, 2024
ABSTRACT
Oligotrophic
deep-water
lakes
are
unique
and
sensitive
ecosystems
with
limited
nutrient
availability.
Understanding
bacterial
communities
within
these
is
crucial
for
assessing
ecosystem
health,
biogeochemical
cycling,
responses
to
environmental
changes.
In
this
study,
we
investigated
the
seasonal
vertical
dynamics
of
both
free-living
(FL)
particle-attached
(PA)
bacteria
in
Lake
Fuxian,
a
typical
oligotrophic
deep
freshwater
lake
southeast
China.
Our
findings
revealed
distinct
FL
PA
communities,
driven
by
similar
physiochemical
factors.
exhibited
higher
α-
β-diversity
were
enriched
Proteobacteria,
Cyanobacteria,
Firmicutes,
Patescibacteria,
Planctomycetota,
Verrucomicrobiota,
while
Actinobacteria
Bacteroidota.
showed
enrichment
putative
functions
related
chemoheterotrophy
aerobic
anoxygenic
photosynthesis,
whereas
fraction
was
intracellular
parasites
(mainly
contributed
Rickettsiales,
Chlamydiales,
Legionellales)
nitrogen
metabolism
functions.
Deterministic
processes
predominantly
shaped
assembly
stochastic
playing
greater
role
fraction.
Network
analysis
extensive
species
interactions,
proportion
positively
correlated
edges
network,
indicating
mutualistic
or
cooperative
interactions.
Cyanobium
,
Comamonadaceae,
Roseomonas
identified
as
keystone
taxa
underscoring
potential
cooperation
between
autotrophic
heterotrophic
organic
particle
microhabitats.
Overall,
disparities
diversity,
community
composition,
function,
network
characteristics
fractions
highlight
their
adaptation
ecological
niches
ecosystems.
IMPORTANCE
diversity
microbial
mechanisms,
changes
fundamental
study
aquatic
ecology.
fragile
resources,
rendering
them
highly
susceptible
fluctuations.
Examining
different
types
offers
valuable
insights
into
intricate
mechanisms
governing
strategies
across
various
scales.
our
investigation
Fuxian
China,
explored
two
types:
(PA).
unveiled
patterns
bacteria,
all
subtleties
provides
insight
thereby
influencing
overall
functioning.
Ultimately,
research
illuminates
roles
environments,
contributing
significantly
broader
comprehension
stability
health.
Язык: Английский
Phytoplankton in Deep Lakes of the Dinaric Karst: Functional Biodiversity and Main Ecological Features
Plants,
Год журнала:
2024,
Номер
13(16), С. 2252 - 2252
Опубликована: Авг. 14, 2024
Phytoplankton
is
a
polyphyletic
group
of
organisms
that
responds
rapidly
to
environmental
conditions
and
provides
reliable
response
changes,
making
it
good
ecological
indicator
for
water
quality
monitoring.
However,
gradient
almost
essential
relationship
between
pressure
impact.
In
low-gradient
environment,
ingenuity
required
outsmart
the
limitations
commonly
used
linear
relationship.
Here,
we
examine
changes
in
biomass
functional
biodiversity
by
analysing
larger
data
sets
(2013–2022)
six
ecologically
diverse,
natural,
deep
Croatian
karst
lakes
with
low
nutrient
gradients
using
nonlinear
correlation
coefficients
multivariate
analyses
209
samples.
We
found
phytoplankton
was
most
strongly
influenced
nutrients,
salinity
alkalinity,
while
light
availability
total
nitrogen
biodiversity.
An
additional
analysis
TN:TP
ratio
revealed
oligotrophic
Lake
Vransko
nitrogen-limited,
Kozjak
Prošće
are
phosphorus-limited.
This
further
clarified
nutrients
despite
gradient.
The
complex
this
study
new
perspective
predicting
structure
succession
successful
management
under
apparent
anthropogenic
climate
change.
Язык: Английский