The Science of The Total Environment,
Год журнала:
2024,
Номер
917, С. 170304 - 170304
Опубликована: Янв. 25, 2024
The
presence
of
pesticides
in
aquatic
ecosystems
poses
significant
risks
to
non-target
organisms,
necessitating
monitoring
and
environmental
risk
assessment.
This
study
aimed
evaluate
the
dynamics
a
hydro-agricultural
area
with
intensive
agricultural
practices,
Mediterranean
region
(South
Portugal).
Seasonality
location
influenced
pesticide
numbers
concentrations,
highest
levels
observed
during
dry
season.
Triazines,
phenylureas,
organophosphates
were
predominant
classes,
terbuthylazine,
bentazone,
terbutryn,
diazinon,
metolachlor
exhibiting
detection
frequencies
(68
%
72
%).
Notably,
44
quantified
are
no
longer
authorized
Portugal,
33
posing
high
risk.
Some
insecticides,
including
imidacloprid,
methiocarb,
malathion,
occasionally
detected
at
concentrations
that
posed
ecosystem
(RQ
≥
1).
Irgarol,
an
algicide
used
irrigation
canals,
presented
91
analysed
samples.
study's
distribution
profile
revealed
transportation
these
compounds
from
reservoirs
hydrants,
establishing
them
as
secondary
source
crop
contamination.
Additionally,
assessment
spatial
allowed
for
identification
specific
pollutants
different
locations,
prioritizing
based
on
their
ecotoxicological
ecosystems.
These
findings
reinforce
importance
implementing
management
measures
level
areas,
helping
stop
cycle
Only
this
type
strategy
will
make
it
possible
protect
water
quality,
biodiversity
health
citizens,
contributing
European
Union's
objectives
improving
condition
freshwater
bodies
promoting
sustainable
use
pesticides.
Environmental Pollution,
Год журнала:
2021,
Номер
284, С. 117463 - 117463
Опубликована: Май 28, 2021
Sustainable
agriculture
practices
and
integrated
pest
management
for
avoiding
environmental
pollution
are
necessary
to
maintain
a
high
yield
in
vineyard
areas.
Pesticide
residues
groundwater
area
of
La
Rioja
(Spain)
have
been
evaluated
previous
years,
they
could
now
varied
after
farmers
adopted
the
different
measures
recommended.
Accordingly,
this
research's
objectives
were
(i)
evaluate
occurrence
seasonal
distribution
(spring,
summer,
autumn
samplings)
pesticides
(36)
plus
their
degradation
products
(DP)
(11)
water
soil
samples
(23
+
15)
(Northern
Spain),
(ii)
compare
current
quality
(2019)
with
that
determined
previously
(2011).
A
multi-residue
method
based
on
solid
phase
extraction
(for
samples)
or
liquid
high-performance
chromatography
coupled
mass
spectrometry
(HPLC-MS)
was
used
determine
quantify
pesticides.
The
results
reveal
presence
waters
30
compounds
from
those
selected
(15
fungicides
2
DP,
7
insecticides
1
3
herbicides
+2
DP),
14
them
at
concentrations
>
0.1
μg
L−1
(water
threshold
human
consumption).
highest
number
detected
summer
(waters)
spring
(soils).
most
frequently
metalaxyl,
tebuconazole,
boscalid,
last
one
being
compound
found
samples.
comparison
2011
2019
indicates
significant
decrease
total
concentration
herbicides,
95–100%,
76–90%,
42–85%
three
campaigns,
respectively.
indicate
an
optimized
sustainable
use
intensive
high-yield
agricultural
areas
reduce
pollution.
Environments,
Год журнала:
2021,
Номер
8(4), С. 32 - 32
Опубликована: Апрель 14, 2021
The
management
of
large
volumes
organic
residues
generated
in
different
livestock,
urban,
agricultural
and
industrial
activities
is
a
topic
environmental
social
interest.
high
matter
content
these
means
that
their
application
as
soil
amendments
agriculture
considered
one
the
more
sustainable
options,
it
could
solve
problem
accumulation
uncontrolled
wastes
while
improving
quality
avoiding
its
irreversible
degradation.
However,
behavior
pesticides
applied
to
increase
crop
yields
be
modified
presence
soil.
This
review
article
addresses
how
adsorption–desorption,
dissipation
leaching
soils
affected
by
usually
amendments.
Based
on
results
reported
from
laboratory
studies,
influence
processes
has
been
evaluated
multiple
factors
related
(e.g.,
origin,
nature,
composition,
rates,
incubation
time
amended
soils),
with
use,
structure,
characteristics,
method),
physicochemical
properties.
Future
perspectives
this
are
also
included
for
highlighting
need
extend
studies
field
modelling
scale
better
assess
predict
pesticide
fate
scenarios.
Journal of Environmental Science and Health Part B,
Год журнала:
2023,
Номер
58(9), С. 594 - 602
Опубликована: Авг. 21, 2023
AbstractPesticide
residues
in
the
environment
have
irreparable
effects
on
human
health
and
other
organisms.
Hence,
it
is
necessary
to
treat
degrade
them
from
polluted
water.
In
current
work,
electrochemical
removal
of
fenitrothion
(FT),
trifluralin
(TF),
chlorothalonil
(CT)
pesticides
were
performed
by
catalytic
electrode.
The
characteristics
SnO2-Sb2O3,
PbO2,
Bi-PbO2
electrodes
described
FE-SEM
XRD.
Dynamic
techniques
including
cyclic
voltammetry,
impedance
spectroscopy,
accelerated
life,
linear
polarization
employed
investigate
performance
fabricated
electrodes.
Moreover,
evaluate
risk
toxic
metals
release
electrode
during
treatment
process
was
investigated.
maximum
degradation
efficiency
99.8,
100,
100%
for
FT,
TF,
CT
found
under
optimal
condition
concentration
15.0
mg
L−1,
pH
7.0,
density
7.0
mA
cm−2,
electrolysis
time
120
min.
Bi-PbO2,
SnO2-Sb2O3
revealed
oxygen
evolution
potential
2.089,
1.983,
1.914
V,
service
lifetime
82,
144,
323
h,
respectively.
results
showed
that
after
5.0
h
electrolysis,
none
heavy
such
as
Bi,
Pb,
Sb,
Sn,
Ti
detected
treated
solution.Keywords:
Pesticidecatalytic
electrodedegradationecological
assessmenthealth
care
AcknowledgmentsThe
authors
gratefully
acknowledge
Dr.
Ali
Asadipour
Mohammad
Mehdipour
(Kerman
University
Medical
Sciences,
Kerman,
Iran)
their
support
provide
poisons
SPE
cartridges
contribution
carry
out
GC-MS
analysis
samples.Disclosure
statementThe
declare
they
no
conflict
interest
regarding
financial
work.Data
availability
statementAll
data
will
available
corresponding
author,
with
reasonable
request.Additional
informationFundingThe
express
appreciation
Shahid
Sadoughi
Yazd,
Iran
(Grant
No.
6681),
Kerman
401000240),
supporting
Ph.D.
thesis
environmental
engineering.
Water Research X,
Год журнала:
2019,
Номер
6, С. 100039 - 100039
Опубликована: Дек. 3, 2019
South
Africa
is
the
leading
pesticide
user
in
Sub-Saharan
Africa.
However,
little
known
about
occurrence
of
mixtures
surface
water
and
potential
environmental
risks
This
study
investigated
pesticides
three
watersheds
during
a
drought
year
The
was
conducted
Krom
River,
Berg
River
Hex
within
larger
agriculture
systems
Western
Cape.
Pesticide
spray
records
were
collected
from
38
farms.
A
total
21
passive
samplers
(styrenedivinylbenzene
disks
(SDB))
deployed,
each
for
two
weeks
per
month,
over
seven
sampling
rounds
main
application
period
between
July
2017
January
2018.
Samples
analyzed
248
compounds
using
LC-HR-MS/MS.
temporal
agreement
with
spraying
events
(Cohen's
κ)
correlation
rainfall
patterns
river
discharge
(Pearson
(rp
)).
time-weighted
average
concentrations
estimated
compared
to
quality
standards
(EQS).
According
farm
records,
96
different
sprayed
differed
considerably
areas,
seasons
crops
grown.
In
total,
53
detected
water.
We
39%
demonstrated
close
correlations
seasonal
11
reported
on
observations
streams
(κ
=
0.90).
23
not
found
many
them
being
herbicides.
Most
two-week
below
40
ng/L.
insecticides
imidacloprid,
thiacloprid,
chlorpyrifos
acetamiprid
herbicide
terbuthylazine
exceeded
at
least
once
their
EQS
58-fold
(EQS
13
ng/L),
12-fold
10
9-fold
0.46
5-fold
24
ng/L)
3-fold
220
respectively.
Our
substantially
widens
view
pollution
previous
studies
by
targeting
more
than
200
systems.
broad
assessment
revealed
presence
compounds,
some
high
concentrations,
indicating
possible
adverse
effects
biota
ecosystem.
Whether
observed
concentration
levels
exceptional
due
lowest
ever
recorded
needs
be
tested
additional
data
better
understand
how
manifest
under
conditions.
