Water,
Journal Year:
2024,
Volume and Issue:
16(14), P. 1982 - 1982
Published: July 12, 2024
Lakes
on
the
Tibetan
Plateau
(TP)
serve
as
both
indicators
of
and
safeguards
against
climate
change,
playing
a
crucial
role
in
aquatic
ecosystems
TP.
While
considerable
attention
has
been
devoted
to
studying
thermal
dynamic
processes
TP
lakes,
research
focusing
their
ecological
variations
limited.
In
this
study,
we
selected
Namco,
representative
lake
TP,
investigate
its
water
using
AQUATOX
model.
Long-term
spanning
from
1980
2020
were
analyzed
based
observations.
Our
results
revealed
consistent
increase
nutrients,
particularly
total
nitrogen
(WTN),
phosphorus
(WTP),
over
study
period.
Additionally,
concentrations
chlorophyll-a
(Chl-a)
gross
net
primary
production
(WGPP
WNPP)
exhibited
significant
upward
trend.
Despite
persistent
state
poor
nutrition
lake,
conditions
improved.
Multiple
linear
regression
analysis
indicated
that
WGPP,
WNPP,
Chl-a
more
sensitive
local
hydrology
compared
WTN
WTP.
A
continuously
warming
would
heat
up
body,
further
enhancing
improving
quality
future.
This
provides
insights
for
limnological
can
be
used
inform
management
strategies
high-altitude
alpine
regions.
Geophysical Research Letters,
Journal Year:
2024,
Volume and Issue:
51(11)
Published: June 5, 2024
Abstract
Strengthening
aquatic
resilience
to
prevent
adverse
shifts
is
critical
for
preserving
global
freshwater
biodiversity
and
advancing
Sustainable
Development
Goals.
Nonetheless,
understanding
the
long‐term
trends
underlying
causes
of
lake
ecosystem
at
a
scale
remains
elusive.
Here,
we
employ
an
innovative
framework,
integrating
satellite‐derived
water
quality
indices
with
early
warning
signals
machine
learning
techniques,
investigate
dynamics
in
1,049
lakes
worldwide
during
2000–2018.
Our
results
indicate
that
46.7%
are
experiencing
significant
decline
resilience,
particularly
since
2010s,
closely
associated
higher
human
population
density
anthropogenic
eutrophication.
In
contrast,
most
situated
alpine
regions
exhibit
increase
probably
benefiting
from
climate
warming
wetting.
Together,
this
study
provides
novel
way
monitor
predict
undesired
transitions,
reveals
widespread
erosion
ability
withstand
stressors
change.
Ecological Indicators,
Journal Year:
2024,
Volume and Issue:
166, P. 112446 - 112446
Published: Aug. 2, 2024
Urbanization,
industrialization,
land
development,
and
other
human
activities
have
led
to
ecological
issues
such
as
shrinking
lake
wetlands,
fragmented
cropland,
reduced
biodiversity.
Taking
the
Poyang
Lake
urban
agglomeration
study
area,
textual
analysis
method
was
used
analyze
typical
facts
of
historical
succession
since
1949,
then
index
spatial
were
adopted
characterize
temporal
evolution
ecosystem
health
in
period
2003–2020.
On
this
basis,
spillover
effects
on
investigated
based
Durbin
model
four
dimensions.
The
results
show
that
area
gone
through
management
path
from
"agricultural
retreat
fishery
advancement"
"dike
reclamation"
"sand
ban"
"returning
lake".
Ecological
protection
has
sublimation
"enlightenment"
"full
implementation"
"strengthening
upgrading".
2003
2020
been
range
0.37709
∼
0.3709
0.3709.
0.48485,
with
characteristics
"low
center
high
periphery".
city
expansion
agricultural
county
are
generally
distributed
pattern
"high
center,
low
periphery",
while
distribution
water
body
is
characterized
by
"near-lake"
"near-river",
newly
registered
enterprises
a
change
"point"
"surface".
"proximity
lake"
river",
changes
There
significant
competition
effect
health,
there
negative
collaboration
industrial
activities,
effect.
can
provide
more
detailed
empirical
support
for
regulation
global
lakeside
agglomerations.
Geo-spatial Information Science,
Journal Year:
2023,
Volume and Issue:
unknown, P. 1 - 17
Published: Oct. 5, 2023
Rapid
morphological
and
socioeconomic
changes
have
accelerated
the
urbanization
process
urban
land
use
transformation
in
China.
Megacities
comprise
clusters
of
cities
exhibit
both
newly
formed
well-developed
development
beyond
administrative
boundaries.
It
is
necessary
to
distinguish
changing
effects
spatial-varying
driving
factors
on
uses
from
built-up
areas
megacities.
This
study
proposed
a
multi-spatial
framework
quantify
region-level
socioeconomics,
cluster-level
ecological
morphologies,
grid-level
functional
morphologies.
A
three-level
Bayesian
hierarchical
model
was
developed
investigate
impacts
The
period
focused
between
2000
2018
Guangdong–Hong
Kong–Macao
Greater
Bay
Area
(GBA).
Results
revealed
that
compared
with
land,
could
be
captured
based
model.
total
population
associated
increasing
possibilities
forming
new
residential
than
ones
35
districts/counties/cities
GBA.
Cluster-level
attributes
higher
proportion,
lower
edge
density
built
areas,
lower-degree
complexity
showed
probability
industrial
public
land.
Grid-level
including
transportation
shopping/dining
distribution
exhibited
significantly
decreasing
(coefficients:
−2.12
−0.51)
contributing
whereas
business/industry
represented
0.99
0.15)
probabilities
(coefficient:
−0.22)
industrial/public
separately.
research
shows
attempt
ISPRS International Journal of Geo-Information,
Journal Year:
2025,
Volume and Issue:
14(2), P. 85 - 85
Published: Feb. 15, 2025
From
2020
to
2022,
hydrological
extremes
such
as
severe
floods
and
droughts
occurred
successively
in
Jiujiang
city,
Poyang
Lake
Basin,
posing
a
threat
regional
water
quality
safety.
The
chlorophyll-a
(Chl-a)
concentration
is
key
indicator
of
river
eutrophication.
Until
now,
there
has
been
lack
empirical
research
exploring
the
Chl-a
trend
inland
context
extremes.
In
this
study,
Sentinel-2
satellite
remote
sensing
data
sourced
from
Google
Earth
Engine
(GEE)
cloud
platform,
along
with
hourly
collected
monitoring
stations
Jiangxi
Province,
China,
are
utilized
develop
quantitative
inversion
model
for
concentration.
concentrations
various
types
were
estimated
each
quarter
spatiotemporal
distribution
was
analyzed.
main
findings
follows:
(1)
validated
via
situ
measurements,
coefficient
determination
0.563;
(2)
spatial
estimates
revealed
slight
increasing
trend,
by
0.1193
μg/L
closely
aligning
monitoring-station
data;
(3)
an
extreme
drought
2022
led
less
bodies,
consequently,
displayed
significant
upward
especially
Lake,
where
mean
increased
approximately
1
Q1
Q2
2022.
These
seasonal
changes
waters
events,
thus
providing
valuable
information
sustainable
management
city.
Boreas,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 4, 2025
Lakes
play
a
vital
role
in
numerous
human
activities,
yet
extensive
economic
development
has
led
to
significant
pollution
and
nutrient
enrichment,
resulting
widespread
eutrophication
ecological
disruption.
To
accurately
assess
the
current
state
of
lakes,
it
is
essential
understand
their
historical,
pre‐impact
conditions.
Palaeolimnological
methods,
including
analysis
subfossil
Cladocera,
offer
valuable
tool
for
studying
lake
ecosystems
over
extended
timeframes
that
go
beyond
modern
instrumental
records.
Our
research
aims
identify
primary
environmental
factors
influence
distribution
individual
Cladocera
species
evaluate
systematic
patterns
within
assemblages
enhance
use
as
indicators.
This
study
presents
an
based
on
surveys
conducted
64
lakes
across
northeastern
Poland.
Principal
component
revealed
two
dominant
driving
variability
dataset
are
trophic
state,
indicated
by
total
phosphorus
(TP)
levels,
depth.
Species
distributions
these
gradients
showed
turnover,
reflecting
distinct
preferences.
Further,
end
member
(EM)
identified
five
each
associated
with
specific
combinations
status
size.
EM1
higher
states,
while
EM2,
EM3
EM4
indicative
medium
low
states.
EM5
independent
status,
large
deep‐water
bodies.
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: March 24, 2025
Ecological
quality
(EQ)
and
ecosystem
health
(EH)
are
closely
related.
Previous
studies
haven't
addressed
their
spatial
relationships
fully;
therefore,
whether
there
is
consistency
between
the
two
remains
unclear.
In
this
study,
EQ
EH
of
Mekong
River
Basin
(MRB),
located
in
Southeast
Asia,
were
determined
by
applying
Remote
Sensing
Index
(RSEI)
Vigor,
Organization,
Resilience,
Services
(VORS)
models,
a
comparative
analysis
was
conducted.
The
results
showed
that
(RSEI_mean
=
0.56)
(EHI_mean
0.59)
had
high
degrees
consistency.
However,
some
degree
differences
certain
land
use
types,
such
as
grassland
0.46;
EHI_mean
0.57)
cropland
0.41;
0.47),
may
have
been
influenced
selection
service
types
prioritized
VORS
model.
addition,
significant
areas
with
relatively
elevations,
especially
barren
0.61;
0.23),
showing
asymmetry.
correlation
coefficient
increases
significantly
from
0.62
to
0.72
after
excluding
altitude
areas.
These
indicate
relationship
probably
applicable
natural
environments
low
altitudes
less
human
activity.