SSRN Electronic Journal,
Год журнала:
2022,
Номер
unknown
Опубликована: Янв. 1, 2022
The
Dutch
breeding
population
of
the
western
black-tailed
godwit
Limosa
limosa
has
declined
substantially
over
recent
decades.
We
carried
out
this
study
to
identify
contaminants
present
in
adult
birds
population.
analysed
11
liver
samples
from
collected
dead
on
their
grounds
SW
Friesland
2016-2020.
Six
were
extensive,
herb-rich
grasslands,
five
intensive
grasslands.
LC
and
GC
wide-scope
target
analysis
more
than
2400
substances,
suspect
screening
for
60,000
four
metals
(Cd,
Hg,
Ni
Pb),
OFPRs,
dechlorane
plus
compounds
Water
Framework
Directive
PBDEs,
bioassay
PCDDs,
PCDFs
dioxin-like
PCBs.
Residues
29
emerging
concern
determined
through
analysis.
Another
20
tentatively
identified
screening.
These
include
industrial
chemicals
(personal
care
products,
surfactants,
PAHs
others),
plant
protection
products
transformation
pharmaceuticals.
Total
contaminant
load
detected
by
ranged
c.
155
1400
ng
g-1
was
generally
lower
extensive
Heatmaps
suggest
that
grasslands
have
a
greater
mix
higher
residue
concentrations
PPPs,
while
PFAS.
All
2
OFPRs
detected.
No
PBDEs
above
LOD.
Bioassay
presence
dl-PCBs.
Further
research
is
required
corroborate
our
results,
extend
vulnerable
life
stages
(eggs,
chicks)
food
items
(invertebrates,
food)
wintering,
staging
grounds,
elucidate
potential
health
risks
godwits
sources.
Chemosphere,
Год журнала:
2023,
Номер
321, С. 138145 - 138145
Опубликована: Фев. 13, 2023
The
Dutch
breeding
population
of
the
black-tailed
godwit
Limosa
limosa
has
declined
substantially
over
recent
decades;
role
contaminants
is
unknown.
We
analysed
liver
samples
from
11
adult
birds
found
dead
on
their
grounds
in
SW
Friesland
2016-2020,
six
extensive,
herb-rich
grasslands,
five
intensive
grasslands.
carried
out
LC
and
GC
wide-scope
target
analysis
more
than
2400
substances,
suspect
screening
for
60,000
Cd,
Hg,
Ni
Pb,
organo-phosphate
flame
retardants
(OPFRs),
dechlorane
plus
compounds
selected
polybrominated
diphenyl
ether
(PBDEs),
bioassay
dibenzo-p-dioxins
dibenzofurans
(PBDDs/PDBFs)
dioxin-like
polychlorinated
biphenyls
(dl-PCBs).
Residues
29
emerging
(ECs)
were
determined
through
analysis.
Another
20
tentatively
identified
screening.
These
include
industrial
chemicals
(personal
care
products,
surfactants,
PAHs
others),
plant
protection
products
(PPPs)
pharmaceuticals
transformation
products.
Total
contaminant
load
detected
by
ranged
c.
155
to
1400
ng
g-1
was
generally
lower
extensive
Heatmaps
suggest
that
grasslands
have
a
greater
mix
higher
residue
concentrations
PPPs,
while
per-
polyfluoroalkyl
substances
(PFAS).
All
four
metals
two
OPFRs
detected.
tested
PBDEs
below
respective
LODs.
Bioassay
revealed
presence
PBDDs,
PBDFs
dl-PCBs.
Further
research
required
elucidate
potential
health
risks
godwits
sources.
Journal of Hazardous Materials,
Год журнала:
2024,
Номер
469, С. 133885 - 133885
Опубликована: Фев. 24, 2024
Turtles
are
a
potential
sentinel
species
of
aquatic
ecosystem
health
as
they
inhabit
ecosystems,
long
lived,
and
potentially
have
high
exposure
to
anthropogenic
chemicals
via
food
water.
This
study
investigated
per-
polyfluoroalkyl
substances
(PFAS)
tissue
partitioning
in
female
Emydura
macquarii
turtle,
the
maternal
offloading
into
eggs
then
hatchlings
well
accumulation
PFAS
male
serum.
Significantly
higher
levels
perfluorosulfonic
acids
(PFSAs)
perfluorocarboxylic
(PFCAs)
were
measured
serum
compared
turtle
serum,
whereas
perfluoroalkane
sulfonamides
(FASAs)
significantly
Perfluorooctane
sulfonate
(PFOS)
was
predominant
turtles
PFHxA
found
surrounding
not
reported
any
or
The
short-chain
PFSAs
FASAs
appeared
be
highly
associated
with
blood;
long-chain
PFCAs
more
likely
tissue.
Half
PFHxS
all
yolks
transferred
(by
mass),
suggesting
intergenerational
effect.
