Biogeochemistry,
Год журнала:
2024,
Номер
167(10), С. 1243 - 1267
Опубликована: Авг. 19, 2024
Abstract
Direct
and
indirect
anthropopressure
on
water
ecosystems
is
the
serious
problem
throughout
world..
In
Northern
Hemisphere,
an
increase
in
average
air
temperatures
observed,
which
implies
occurrence
of
a
shorter
period
snow
ice
cover
during
winter
season.
The
2019/2020
was
unusual,
because
that
first
time
record,
complete
lack
permanent
observed
numerous
lakes
Poland.
Such
unusual
conditions
could
influence
lake
functioning.
Hence
we
analyzed
chemistry
water–sediment
interface
(near-bottom
interstitial
sediment)
shallow,
eutrophic
Mielenko
Lake
(area
7.9
ha,
max
depth
1.9
m)
2013
2019–2022
to
assess
prolonged
circulation
bottom
zone.
subjected
phosphorus
inactivation
procedure
using
Al
Fe
salts
(PAX
18,
PIX
111)
2020
2021.
Our
research
revealed
unusually
caused
significant
decrease
organic
matter
content
sediment
2020,
as
well
NaOH-nrP
fraction
TP
amounts.
That
effect
short-term
it
did
not
significantly
NaOH-rP
released
P
probably
built
macrophytes
biomass
vegetation
season,
has
been
limiting
phytoplankton
proliferation,
favored
shifting
clearwater
state
with
domination.
This
confirmed
by
decreasing
biomass,
massive
expansion
range
noted
second
year
restoration.
study
shows,
mitigate
negative
effects
warm
winters
shallow
lakes.
Reviews of Geophysics,
Год журнала:
2024,
Номер
62(1)
Опубликована: Фев. 11, 2024
Abstract
Lake
thermal
dynamics
have
been
considerably
impacted
by
climate
change,
with
potential
adverse
effects
on
aquatic
ecosystems.
To
better
understand
the
impacts
of
future
change
lake
and
related
processes,
use
mathematical
models
is
essential.
In
this
study,
we
provide
a
comprehensive
review
water
temperature
modeling.
We
begin
discussing
physical
concepts
that
regulate
in
lakes,
which
serve
as
primer
for
description
process‐based
models.
then
an
overview
different
sources
observational
data,
including
situ
monitoring
satellite
Earth
observations,
used
field
classify
various
available,
discuss
model
performance,
commonly
performance
metrics
optimization
methods.
Finally,
analyze
emerging
modeling
approaches,
forecasting,
digital
twins,
combining
deep
learning,
evaluating
structural
differences
through
ensemble
modeling,
adapted
management,
coupling
This
aimed
at
diverse
group
professionals
working
fields
limnology
hydrology,
ecologists,
biologists,
physicists,
engineers,
remote
sensing
researchers
from
private
public
sectors
who
are
interested
understanding
its
applications.
Environmental Science & Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 13, 2025
Feeding
the
world's
population
in
face
of
global
warming
is
a
challenging
task.
Warming
poses
dual
threat
to
both
food
security
and
nitrogen
pollution
croplands.
However,
consensus
remains
elusive
regarding
precise
impact
on
cycle
Our
study
revealed
that
alone
could
reduce
grain
yields
by
21%
(with
95%
confidence
interval
15-27%)
while
increasing
losses
environment
54-169%.
Under
2050
scenario,
annual
harvest
projected
decrease
16
million
tonnes
(Tg),
accompanied
an
increase
surplus
(nitrogen
lost
environment)
29
Tg
relative
baseline.
Implementation
timely
robust
adaptive
mitigation
strategies,
including
optimization
planting
dates,
cultivars,
irrigation,
fertilization
practices,
mitigate
warming-induced
crisis
pollution,
averting
potential
US$
530
billion
at
estimated
cost
73
billion.
Current
management
of
eutrophic
lakes
primarily
targets
nutrient
reduction
and
algal
bloom
control,
often
overlooking
the
organismal
mechanisms
that
drive
changes
in
community
stability
across
multitrophic
levels.
This
study
employed
environmental
DNA
(eDNA)
to
examine
seasonal
dynamics
communities
typical
shallow
Dianchi
(plateau)
Taihu
(plain),
exploring
how
eutrophication
stress
influences
composition,
networks,
stability.
We
found
plateau
plain
had
their
respective
dominant
taxa
diversity
seasons.
The
structure
networks
composed
varied
significantly
seasons,
among
which
Lake
exhibited
17.9%
higher
connectivity
8.2%
greater
robustness
compared
Lake.
Dominant
played
a
critical
role
determining
through
different
pathways;
30%
variation
was
attributed
bottom-up
effects,
with
algae
as
core
pathway,
while
40%
mainly
explained
by
top-down
fish
pathway.
These
findings
underscore
lake-specific
changes,
providing
insights
into
tailored
strategies
for
based
on
unique
ecological
processes.
