Environmental Science & Technology,
Journal Year:
2022,
Volume and Issue:
56(6), P. 3780 - 3790
Published: Feb. 10, 2022
Anthropogenic
pressures
can
threaten
lake
and
reservoir
ecosystems,
leading
to
harmful
algal
blooms
that
have
become
globally
widespread.
However,
patterns
of
phytoplankton
diversity
change
community
assembly
over
long-term
scales
remain
unknown.
Here,
we
explore
biodiversity
in
eukaryotic
(EA)
cyanobacterial
(CYA)
communities
a
century
by
sequencing
DNA
preserved
the
sediment
cores
seven
lakes
reservoirs
North
Temperate
Zone.
Comparisons
within
revealed
temporal
homogenization
mesotrophic
lakes,
eutrophic
last
but
no
systematic
losses
α-diversity.
Temporal
EA
CYA
continued
into
modern
day
probably
due
time-lags
related
historical
legacies,
even
if
go
through
eutrophication
phase
followed
reoligotrophication
phase.
Further,
was
mediated
both
deterministic
stochastic
processes,
while
homogeneous
selection
played
relatively
important
role
recent
decades
intensified
anthropogenic
activities
climate
warming.
Overall,
these
results
expand
our
understanding
global
effects
on
succession
exhibit
different
successional
trajectories
also
providing
baseline
framework
assess
their
potential
responses
future
environmental
change.
Ecology Letters,
Journal Year:
2021,
Volume and Issue:
25(2), P. 255 - 263
Published: Dec. 1, 2021
Global
freshwater
biodiversity
is
declining
dramatically,
and
meeting
the
challenges
of
this
crisis
requires
bold
goals
mobilisation
substantial
resources.
While
reasons
are
varied,
investments
in
both
research
conservation
lag
far
behind
those
terrestrial
marine
realms.
Inspired
by
a
global
consultation,
we
identify
15
pressing
priority
needs,
grouped
into
five
areas,
an
effort
to
support
informed
stewardship
biodiversity.
The
proposed
agenda
aims
advance
globally
as
critical
step
improving
coordinated
actions
towards
its
sustainable
management
conservation.
Abstract
Freshwater
biodiversity,
from
fish
to
frogs
and
microbes
macrophytes,
provides
a
vast
array
of
services
people.
Mounting
concerns
focus
on
the
accelerating
pace
biodiversity
loss
declining
ecological
function
within
freshwater
ecosystems
that
continue
threaten
these
natural
benefits.
Here,
we
catalog
nine
fundamental
ecosystem
biotic
components
indigenous
provide
people,
organized
into
three
categories:
material
(food;
health
genetic
resources;
goods),
non‐material
(culture;
education
science;
recreation),
regulating
(catchment
integrity;
climate
regulation;
water
purification
nutrient
cycling).
If
is
protected,
conserved,
restored
in
an
integrated
manner,
as
well
more
broadly
appreciated
by
humanity,
it
will
contribute
human
well‐being
our
sustainable
future
via
this
wide
range
associated
nature‐based
solutions
future.
This
article
categorized
under:
Human
Water
>
Value
Life
Nature
Ecosystems
Science
Environmental
Change
Inland Waters,
Journal Year:
2022,
Volume and Issue:
12(2), P. 187 - 204
Published: Jan. 28, 2022
Despite
its
well-established
negative
impacts
on
society
and
biodiversity,
eutrophication
continues
to
be
one
of
the
most
pervasive
anthropogenic
influences
along
freshwater
marine
continuum.
The
interaction
between
climate
change,
particularly
warming,
was
explicitly
focused
upon
a
decade
ago
by
Brian
Moss
others
in
"Allied
attack:
change
eutrophication,"
which
called
for
an
integrated
response
both
problems,
given
their
apparent
synergy.
In
this
review,
we
summarise
advances
theoretical
framework
empirical
research
issue
analyse
current
understanding
major
drivers
mechanisms
can
enhance
eutrophication,
vice
versa,
with
particular
focus
shallow
lakes.
Climate
affect
nutrient
loading
through
changes
at
catchment
landscape
levels
affecting
hydrological
patterns
fire
frequency
temperature
effects
cycling.
Biotic
communities
interactions
also
directly
indirectly
affected
leading
overall
weakening
resilience
impacts.
Increasing
evidence
now
indicates
several
eutrophying
aquatic
systems
increasingly
act
as
important
sources
greenhouse
gases
atmosphere,
methane.
We
highlight
potential
feedback
among
cyanobacterial
blooms,
change.
Facing
challenges
simultaneously
is
more
pressing
than
ever.
Meaningful
strong
measures
waterbody
are
therefore
required
if
ensure
ecosystem
safe
water
supply,
conserve
decrease
carbon
footprint
freshwaters.
Science Advances,
Journal Year:
2022,
Volume and Issue:
8(6)
Published: Feb. 11, 2022
Globally,
urbanization
poses
a
major
threat
to
terrestrial
biodiversity,
yet
its
impact
on
fish
diversity
is
poorly
understood,
mainly
because
of
surveying
difficulties.
In
this
study,
environmental
DNA
metabarcoding
was
used
survey
communities
at
109
lentic
and
lotic
sites
across
Beijing,
how
variables
affect
biodiversity
fine
urban
spatial
scales
investigated.
We
identified
52
native
23
non-native
taxa,
with
waters
harboring
both
common
habitat-specific
species.
Water
quality
strongly
affected
diversity,
especially
in
systems,
but
had
little
influence
diversity.
Fish
showed
response
land
cover
variation,
the
relative
sequence
abundance
non-natives
increased
linearly
distance
from
city
center.
Our
findings
illustrate
complex
effects
versus
fishes
different
aquatic
habitats
highlight
distinctive
considerations
needed
conserve
biodiversity.
Environmental Research Letters,
Journal Year:
2023,
Volume and Issue:
18(6), P. 063004 - 063004
Published: April 26, 2023
Abstract
Eutrophication
is
a
major
global
concern
in
lakes,
caused
by
excessive
nutrient
loadings
(nitrogen
and
phosphorus)
from
human
activities
likely
exacerbated
climate
change.
Present
use
of
indicators
to
monitor
assess
lake
eutrophication
restricted
water
quality
constituents
(e.g.
total
phosphorus,
nitrogen)
does
not
necessarily
represent
environmental
changes
the
anthropogenic
influences
within
lake’s
drainage
basin.
Nutrients
interact
multiple
ways
with
climate,
basin
conditions
socio-economic
development,
point-source,
diffuse
source
pollutants),
systems.
It
therefore
essential
account
for
complex
feedback
mechanisms
non-linear
interactions
that
exist
between
nutrients
ecosystems
assessments.
However,
lack
set
holistic
understanding
challenges
such
assessments,
addition
limited
monitoring
data
available.
In
this
review,
we
synthesize
main
freshwater
basins
only
include
but
also
sources,
biogeochemical
pathways
responses
emissions.
We
develop
new
causal
network
(i.e.
links
indicators)
using
DPSIR
(drivers-pressure-state-impact-response)
framework
highlights
interrelationships
among
provides
perspective
dynamics
basins.
further
review
30
key
drivers
pressures
seven
cross-cutting
themes:
(i)
hydro-climatology,
(ii)
socio-economy,
(iii)
land
use,
(iv)
characteristics,
(v)
crop
farming
livestock,
(vi)
hydrology
management,
(vii)
fishing
aquaculture.
This
study
indicates
need
more
comprehensive
systems,
guide
expansion
networks,
support
integrated
assessments
manage
eutrophication.
Finally,
proposed
can
be
used
managers
decision-makers
realistic
targets
sustainable
management
achieve
clean
all,
line
Sustainable
Development
Goal
6.
