In
this
study,
a
typical
coastal
economic
development
zone
in
eastern
China
is
taken
as
the
research
area.
The
water
quality
park
exceeds
standard
seriously
case
of
insufficient
sewage
treatment
capacity,
and
pollution
degree
tends
to
be
heavier
closer
estuary.
According
distance
from
estuary,
that
is,
difference
quality,
study
area
can
divided
into
zones
with
significant
differences
microbial
community
characteristics.
Fluoride,
main
pollutants
area,
most
important
environment
factor
changes.
stability
ecosystem
decreased
increase
photovoltaic
pollution.
model
simulation
results,
amount
entering
river
greatly
reduced
by
setting
new
plant,
seagoing
rivers
meet
requirements
function
zone.
Environmental Science & Technology,
Год журнала:
2023,
Номер
57(48), С. 20138 - 20147
Опубликована: Ноя. 7, 2023
Microplastics
(MPs)
pollution
and
dissolved
organic
matter
(DOM)
affect
soil
quality
functions.
However,
the
effect
of
MPs
on
DOM
underlying
mechanisms
have
not
been
clarified,
which
poses
a
challenge
to
maintaining
health.
Under
environmentally
relevant
conditions,
we
evaluated
major
role
polypropylene
particles
at
four
micron-level
sizes
(20,
200,
500
μm
mixed)
in
regulating
changes
content.
We
found
that
an
increase
aeration
by
medium
high-intensity
(>0.5%)
may
reduce
NH4+
leaching
accelerating
nitrification.
positive
nutrient
retention
through
adsorption
PO43-
(13.30-34.46%)
(9.03-19.65%)
their
leached
carbon
(MP-leached
carbon,
MP-DOC),
thereby
dynamic
balance
nutrients.
The
ion
(Ca2+)
is
also
important
competitor
MP-DOM
system,
its
intensity
are
dynamically
involved
process.
These
findings
can
help
predict
response
processes,
especially
cycling,
persistent
anthropogenic
stressors,
improve
risk
management
policies
MPs,
facilitate
protection
health
function,
future
agricultural
contexts.
Frontiers in Marine Science,
Год журнала:
2024,
Номер
11
Опубликована: Апрель 5, 2024
Mangroves,
as
the
key
blue
carbon
ecosystem,
are
considered
‘potential
sinks’
for
microplastics
(MPs)
in
land-ocean
interface
zones.
However,
there
is
limited
understanding
of
enrichment
patterns
MPs
mangrove
particularly
relation
to
human
activities.
This
study
explored
abundance,
composition,
and
diversity
non-mangrove
sediments
Zhanjiang
Bay
(ZJB)
investigate
effects
activities
on
system.
The
results
showed
that
were
widely
prevalent
all
sediment
samples,
abundance
was
significantly
higher
than
(
P
<
0.05).
Furthermore,
average
found
be
263.67
±
85.25
items/kg
whereas
it
618.17
71.75
items/kg.
mangroves
about
1.6
times
non-mangroves,
indicating
have
an
interception
effect
MPs,
factor
leading
difference
between
non-mangroves.
predominant
shapes
both
non-mangroves
fragments,
with
multicolor
green
being
most
common
colors
sizes
ranging
100
330
µm.
Besides,
no
significant
relationship
particulate
organic
>
0.05),
pollution
didn’t
alter
natural
POC
pool
ZJB.
Overall,
this
provided
important
baseline
information
ecosystems
ZJB,
which
implications
future
mitigation
management
ecosystem.
Environmental Pollution,
Год журнала:
2024,
Номер
357, С. 124483 - 124483
Опубликована: Июль 1, 2024
Seagrass
meadows
are
one
of
the
world's
most
diverse
ecosystems
offering
habitats
for
an
extensive
array
species,
as
well
serving
protectors
coral
reefs
and
vital
carbon
sinks.
Furthermore,
they
modify
hydrodynamics
by
diminishing
water
flow
velocities
enhancing
sediment
deposition,
indicating
potential
microplastic
accumulation
in
their
sediments.
The
build-up
microplastics
could
potentially
have
ecological
impacts
threatening
to
ecosystems,
however
little
is
known
about
abundance
controlling
factors
seagrass
Here
we
investigated
characteristics
abundances
within
sediments
underlying
four
meadow
sites
on
Turneffe
Atoll,
Belize.
Sediment
cores
were
collected
sub-sampled
include
a
range
replicate
surface
(0-4
cm)
depth
(sediment
depths
0-2,
2-5,
5-10,
10-20
20-30
cm).
These
analysed
using
25
μm
resolution
μFTIR,
with
spectral
maps
processed
siMPle
software.
Microplastics
prevalent
across
(limit
detection
(LOD)
blank-corrected)
<
LOD
17137
kg
