This
study
presents
a
novel
pesticide
transport
module
for
the
OpenLISEM
runoff
and
erosion
model.
During
water
events,
high
amounts
of
pesticides
can
be
transported
alongside
runoff.
Simulating
this
process
helps
to
mitigate
adverse
effects
in
environment.
We
conceptualized
uptake
during
with
mixing-layer,
including
mass
transfer
dissolved
into
detachment
combination
enrichment
sorbed
pesticides.
Lateral
is
modelled
kinematic
wave
based
on
overland
flow
water.
The
model
simulations
were
line
observations
two
events
small
agricultural
catchment
South-Limburg,
Netherlands.
A
sensitivity
analysis
showed
that
was
mainly
influenced
by
rate,
soil-water
partitioning
exponent
ratio.
accurate
simulation
OpenLISEM,
enables
OLP
simulate
redistribution
adequately.
Global Change Biology,
Год журнала:
2025,
Номер
31(2)
Опубликована: Фев. 1, 2025
ABSTRACT
Fungal
communities
are
critical
for
leaf
decomposition,
a
central
ecosystem
function
in
streams.
A
wide
range
of
anthropogenic
stressors
can
alter
their
structure
and
(i.e.,
decomposition).
Additionally,
fungal
subject
to
seasonal
turnover
due
natural
processes.
Despite
this,
seasonality
interaction
with
varying
stressor
exposure
has
rarely
been
studied
the
context
decomposition.
We
investigated
community
composition
decomposition
over
one
agricultural
growing
season
by
deploying
bags
at
least
impacted
forest
viticultural
sites
10
we
transplanted
that
had
colonised
investigate
how
changes
affect
communities.
Leaf
was
repeatedly
lower
treatment
than
treatment,
which
partly
explained
environmental
variables.
The
leaves
varied
across
time
points
overall
more
similar
treatment.
April
were
treatments,
whereas
all
exhibited
different
turnover.
At
later
(June,
August
September),
from
transplant
remained
similar,
likely
triggered
priority
effects
location
colonisation
(forest).
however,
deviated
these
points,
coincided
timing
fungicide
application.
Overall,
show
both
exhibit
stressor‐related
variability.
Thus,
our
study
demonstrates
actual
regime
need
be
considered
well
described
when
investigating
land
use
on
associated
Environmental Science & Technology,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 9, 2025
A
comprehensive
assessment
of
pesticide
transport
in
surface
waters
is
challenging
due
to
discharge
characteristics
and
the
occurrence
transformation
products
(TPs).
Detailed
long-term
sampling
concentrations,
including
rainfall
application
events,
still
lacking
better
predict
pathways
toxicity
within
agricultural
catchments.
In
present
study,
TP
dynamics
were
evaluated
over
a
three-year
monitoring
period,
which
included
12
stormwater
events
7
dry
events.
An
extensive
target
screening
for
328
pesticides
was
conducted,
while
simultaneously
performing
suspect
nontarget
analysis
(SNTA)
using
liquid
chromatography
high-resolution
mass
spectrometry.
Twenty-one
two
TPs
associated
with
main
crop,
rice,
identified
as
major
pollutants.
The
risk
results,
based
on
stepwise
data
collection,
suggested
that
insecticides,
primarily
neonicotinoids,
exhibited
severe
ecological
risk.
Additionally,
SNTA
revealed
presence
8
parent
compounds
46
TPs.
occurred
following
peak
periods,
indicating
integrated
practical
approach
assessment.
precautionary
identification
suggests
potential
aquatic
effects
may
be
underestimated
by
conventional
strategy.
Environmental Sciences Europe,
Год журнала:
2023,
Номер
35(1)
Опубликована: Июнь 3, 2023
Abstract
Exposure
to
pesticides
may
cause
adaptation
not
only
in
agricultural
pests
and
pathogens,
but
also
non-target
organisms.
Previous
studies
mainly
searched
for
adaptations
organisms
pesticide-polluted
sites.
However,
propagate
heritable
pesticide
effects,
such
as
increased
tolerance,
non-exposed
populations
through
gene
flow.
We
examined
the
tolerance—as
one
of
pre-assumptions
local
adaptation—of
freshwater
crustacean
Gammarus
spp.
(at
genus
level
reflecting
gammarid
community).
The
tolerance
was
quantified
acute
toxicity
tests
using
insecticide
imidacloprid.
Gammarids
were
sampled
at
sites
(termed
agriculture),
least
impacted
upstream
refuge)
transitional
edge)
six
small
streams
south-west
Germany.
Furthermore,
we
population
genetic
structure
fossarum
energy
reserves
(here
lipid
content)
G.
well
three
site
types
(i.e.
agriculture,
edge
refuge).
found
significantly
lower
imidacloprid
from
compared
refuge
sites,
potentially
due
higher
environmental
stress
indicated
by
a
slightly
content
per
mg
tissue.
no
differences
between
populations,
indicating
propagation
effects
edges.
among
showed
significant
differentiation
streams,
within
stream
across
types.
suggest
that
high
flow
each
hindered
resulted
similar
(pre)adaptations
levels
types,
although
they
exhibited
different
pollution.
Further
on
target
genes
(e.g.,
conferring
tolerance),
fitness
phenotypes
particular
are
required
adjacent
pristine
ecosystems
detect
potential
propagations
effects.
The Science of The Total Environment,
Год журнала:
2024,
Номер
946, С. 174343 - 174343
Опубликована: Июль 1, 2024
The
structure
and
biomass
of
aquatic
invertebrate
communities
play
a
crucial
role
in
the
matter
dynamics
streams.
However,
is
rarely
quantified
ecological
assessments
streams,
little
known
about
environmental
anthropogenic
factors
that
influence
it.
In
this
study,
we
aimed
to
identify
are
associated
with
through
monitoring
25
streams
across
Germany.
We
identified
invertebrates,
assigned
them
taxonomic
trait-based
groups,
using
image-based
analysis.
found
insecticide
pressure
generally
reduced
abundance
insecticide-vulnerable
populations
(R
The Science of The Total Environment,
Год журнала:
2024,
Номер
945, С. 173950 - 173950
Опубликована: Июнь 13, 2024
Neonicotinoids
are
the
top-selling
insecticides
worldwide.
Because
of
their
method
use,
mainly
to
coat
seeds,
neonicotinoids
have
been
found
widely
contaminate
environment.
Their
high
toxicity
has
shown
be
a
major
concern
in
terms
impact
on
biodiversity,
and
use
these
associated
with
population
declines
species
different
countries.
Despite
widespread
recognition
risk
temporal
spatial
remains
poorly
known
many
Yet
this
information
is
essential
address
potential
impacts
pesticides
biodiversity
inform
measures
establish
protected
areas
or
restoration.
The
present
study
relied
large
publicly
available
dataset
characterise
France
imidacloprid,
most
used
neonicotinoid
worldwide,
as
well
analysed
water
contamination
surveys
between
2005
2022
assess
results
show
that
imidacloprid
was
main
over
period.
This
spatially
structured,
higher
northern
western
France,
particularly
related
cereal
beet
crops
area.
survey
indicated
contaminated
environment
consequently
increased
especially
counties
crossed
by
Loire,
Seine
Vilaine
rivers.
2018
due
decreased
sharply
after
its
ban,
although
it
reauthorized
derogation
for
sugar
2021.
first
assessment
pressure
shows
correlation
agricultural
practices
freshwater
level.
These
will
help
identify
priority
mitigation
restoration
measures.
Environmental Sciences Europe,
Год журнала:
2023,
Номер
35(1)
Опубликована: Ноя. 2, 2023
Abstract
Many
studies
have
investigated
short-term
peak
concentrations
of
pesticides
in
surface
waters
resulting
from
agricultural
uses.
However,
we
lack
information
to
what
extent
reoccur
over
medium
(>
4
days)
and
longer
time
periods
10
days).
We
use
here
large-scale
pesticide
monitoring
data
across
Europe
(~
15
mil.
measurements,
i.e.,
quantified
water
at
>
17,000
sites
for
474
compounds)
evaluate
the
degree
which
were
not
only
detected
once,
but
sequences
a
compound
repeatedly
same
area
(0.015
km
2
)
within
4–30
days.
Reoccurrence
was
observed
~
18%
76%
compounds,
40%
priori
considered
chronically
expose
aquatic
ecosystems.
calculated
probability
reoccurrence
(POR)
medium-term
(4–7
long-term
(8–30
360
pesticides.
Relative
PORs
(ratio
between
POR)
revealed
three
occurrence
patterns:
ephemeral,
intermittent
permanent.
While
fungicides
dominated
intermittently
occurring
substances,
aligning
with
application
strategies
physico-chemical
properties,
neonicotinoids
legacy
among
substances
permanently
occurring.
The
results
this
study
shed
new
light
on
previously
underestimated
longer-term
many
environments
(35%
or
pollute
environment
chronically),
entailing
challenges
chronic
risk
assessments
evaluation
effects
biodiversity.