In
eutrophic
lake
ecosystems,
cyanobacteria
typically
lead
to
unbalanced
phytoplankton
community
structure
and
low
dietary
quality
for
consumers
at
higher
trophic
levels.
However,
it
still
remains
poorly
understood
how
zooplankton
manage
respond
seasonal
spatial
differences
in
gradients
temperature
factors
retain
highly
required
nutrients
from
phytoplankton.
this
field
study,
we
investigated
seston
different
size
classes
of
temperate
subtropical
large
lakes
conditions
China.
We
used
fatty
acids
(FA)
as
investigate
eutrophication
affects
the
FA
composition
various
classes.
This
study
revealed
a
curvilinear
relationship
between
total
phosphorus
(TP)
polyunsaturated
(PUFA)
contents
edible
(‘seston’)
across
3
seasons
2
climatic
areas.
The
PUFA
content
increased
until
mesotrophic
(TP:
11-20
μg
L-1),
after
which
provision
respective
declined.
Seston
FA,
rather
than
condition
or
water
temperature,
primarily
predicted
changes
while
predictive
power
decreased
with
size.
Despite
increasing
conditions,
consistently
their
per
unit
biomass.
results
indicate
that
nutritional
value
was
highest
lakes,
selectively
retention
body
and/or
were
able
convert
endogenously
meet
size-specific
demands,
independent
location
time
(season)
measured
(from
oligo-
eutrophic).
Lake
ecological
processes
and
nutrient
patterns
are
increasingly
affected
by
water
level
variation
around
the
world.
Still,
long-term
effects
of
change
on
lake
ecosystems
their
implications
for
suitable
management
have
rarely
been
studied.
Here,
we
studied
ecosystem
dynamics
a
mesotrophic
located
in
cold
arid
region
northern
China
based
paleo-diatom
fishery
records.
Utilizing
novel
Copula-Bayesian
Network
model,
possible
hydrological-driven
evolution
was
discussed.
Results
show
that
increased
concentration
caused
first
drop
early
1980s
incurred
transition
sedimental
diatoms
towards
pollution-resistant
species,
following
rise
mid-1980s
brought
about
considerable
external
loading,
which
attributed
to
eutrophication
miniaturization
structure.
In
21st
century,
continuous
plummet
further
reduced
sediment
diatom
biomass
fish
altering
concentration.
However,
with
implementation
diversion
project
2011,
oligotrophic
species
developed
better.
From
perspective
quality
protection
requirements
well-being
Hulun
Lake,
appropriate
range
should
be
542.42-544.15m.
summary,
our
study
highlights
coupling
effect
give
shed
operation
under
future
climate
human
activities.
Acta Limnologica Brasiliensia,
Journal Year:
2024,
Volume and Issue:
36
Published: Jan. 1, 2024
Abstract
Aim
This
study
aims
to
analyze
the
scientific
literature
on
phytoplankton
in
assessing
lake
water
quality,
based
bibliometric
and
network
techniques.
Methods
PRISMA
criteria
were
adopted
produce
reliable
results.
The
Scopus
Web
of
Science
databases
consulted
retrieve
documents
be
studied.
number
publications,
citations
bibliographic
coupling
techniques
used
identify
relevant
journals,
countries,
authors,
articles.
conceptual
evolution
was
analyzed
by
keywords
co-occurrence
thematic
mapping.
Results
Based
2429
selected
from
1973-2023
annual
period,
main
results
indicated
519
6450
54907
references,
4844
keyword
among
others.
growth
index
10.27%,
reflecting
upward
trend
at
time.
Erick
Jeppesen
resulted
as
top
influential
author,
China
leaded
publications
collaborations
with
United
States
America.
Hydrobiologia
journal.
Top
articles
content
theme
related
cyanobacterial
blooms.
According
analysis
framework,
phytoplankton,
eutrophication,
cyanobacteria
most
themes.
Furthermore,
trending
topics
mainly
climate
change
degradation.
Conclusions
comprehensive
allowed
us
interpret
development
research
subject
quality.
In
eutrophic
lake
ecosystems,
cyanobacteria
typically
lead
to
unbalanced
phytoplankton
community
structure
and
low
dietary
quality
for
consumers
at
higher
trophic
levels.
However,
it
still
remains
poorly
understood
how
zooplankton
manage
respond
seasonal
spatial
differences
in
gradients
temperature
factors
retain
highly
required
nutrients
from
phytoplankton.
this
field
study,
we
investigated
seston
different
size
classes
of
temperate
subtropical
large
lakes
conditions
China.
We
used
fatty
acids
(FA)
as
investigate
eutrophication
affects
the
FA
composition
various
classes.
This
study
revealed
a
curvilinear
relationship
between
total
phosphorus
(TP)
polyunsaturated
(PUFA)
contents
edible
(‘seston’)
across
3
seasons
2
climatic
areas.
The
PUFA
content
increased
until
mesotrophic
(TP:
11-20
μg
L-1),
after
which
provision
respective
declined.
Seston
FA,
rather
than
condition
or
water
temperature,
primarily
predicted
changes
while
predictive
power
decreased
with
size.
Despite
increasing
conditions,
consistently
their
per
unit
biomass.
results
indicate
that
nutritional
value
was
highest
lakes,
selectively
retention
body
and/or
were
able
convert
endogenously
meet
size-specific
demands,
independent
location
time
(season)
measured
(from
oligo-
eutrophic).
