SSRN Electronic Journal,
Год журнала:
2022,
Номер
unknown
Опубликована: Янв. 1, 2022
The
Ebro
Delta
is
a
wetland
of
international
importance
for
waterbird
conservation
but
severally
affected
by
intensive
agriculture,
toxic
waste
discharges
from
past
chloro-alkali
industry
and
affluence
tourism.
discharge
contaminants
associated
to
these
activities
pose
waterbirds
breeding
in
at
risk.
aim
the
study
evaluate
exposure
91
emerging
legacy
micropollutants
flamingo
chicks
(Phoenicopterus
roseus),
an
emblematic
species
area.
Fifty
45-60
days
were
captured,
biometric
parameters
measured
whole
blood
collected.
Compounds
analyzed
included
perfluoroalkyl
substances
(PFAS),
pharmaceuticals,
organophosphate
esters
(OPEs),
in-use
pesticides,
polychlorinated
biphenyls
(PCB),
organochlorine
pesticides
(OC),
polycyclic
aromatic
hydrocarbons
(PAH).
results
indicate
multi-exposure
flamingo’s
very
young
age.
PFAS
most
ubiquitous
compounds
with
∑PFAS
ranging
9.34
576
ng/mL,
being
PFOA,
PFOS
PFHxS
detected
all
samples.
∑PAH
ranged
0.20
423
∑PCB
1.35
53.6
ng/mL
∑OC
37.7
ng/mL.
Pharmaceuticals,
OPEs
not
detected.
filtering
behavior
on
mud
maternal
transfer
through
ovo-transference
are
more
likely
routes
organic
flamingos’
chicks.
reported
levels
any
alternation
body
condition
This
first
describe
colony
micropollutants,
highlighting
monitoring
pollutants
wildlife
biodiversity
preservation.
Environmental Science & Technology,
Год журнала:
2021,
Номер
56(10), С. 6091 - 6102
Опубликована: Дек. 7, 2021
In
birds,
maternal
transfer
is
a
major
exposure
route
for
several
contaminants,
including
poly-
and
perfluoroalkyl
substances
(PFAS).
Little
known,
however,
about
the
extent
of
different
PFAS
compounds
to
eggs,
especially
alternative
fluorinated
compounds.
present
study,
we
measured
legacy
emerging
PFAS,
Gen-X,
ADONA,
F-53B,
in
plasma
prelaying
black-legged
kittiwake
females
breeding
Svalbard
yolk
their
eggs.
We
aimed
(1)
describe
contaminant
levels
patterns
both
(2)
investigate
transfer,
that
is,
biological
variables
relationship
between
eggs
each
compound.
Contamination
were
dominated
by
linPFOS
then
PFUnA
or
PFTriA.
notably
found
7:3
fluorotelomer
carboxylic
acid─a
precursor
long-chain
carboxylates─in
84%
egg
yolks,
provide
first
documented
finding
ADONA
wildlife.
Emerging
all
below
detection
limit
female
plasma.
There
was
linear
association
most
PFAS.
Analyses
ratios
suggest
increasing
with
carbon
chain
length,
therefore
longest
acids
(PFCAs)
preferentially
transferred
The
mean
∑PFAS
second-laid
73%
first-laid
Additional
effort
on
assessing
outcome
transfers
avian
development
physiology
essential,
PFCAs
which
are
under-represented
experimental
studies.
The Science of The Total Environment,
Год журнала:
2023,
Номер
908, С. 168438 - 168438
Опубликована: Ноя. 12, 2023
Per-
and
polyfluoroalkyl
substances
(PFAS)
concentrations
were
investigated
in
hepatic
tissue
of
four
dolphin
species
stranded
along
the
south-east
coast
Australia
between
2006
2021;
Burrunan
(Tursiops
australis),
common
bottlenose
truncatus),
Indo-Pacific
aduncus),
short-beaked
(Delphinus
delphis).
Two
populations
represented
dataset
have
highest
reported
global
population
∑25PFAS
(Port
Phillip
Bay
median
9750
ng/g
ww,
n
=
3,
Gippsland
Lakes
3560
8),
which
50–100
times
higher
than
other
here;
(50
9),
(80
1),
(61
12).
Also
included
results
is
individual
(19,500
ww)
PFOS
(18,700
concentrations,
at
almost
30
%
any
Cetacea
globally.
Perfluorooctane
sulfonate
(PFOS)
was
above
method
reporting
limits
for
all
samples
(range;
5.3–18,700
ww),
constituted
contribution
to
overall
∑PFAS
burdens
with
47
99
profile
across
dataset.
The
exceed
published
tentative
critical
(677–775
ng/g)
42
dolphins
90
critically
endangered
dolphin.
This
research
reports
first
time
novel
emerging
PFASs
such
as
6:2
Cl-PFESA,
PFMPA,
PFEECH
FBSA
marine
mammals
southern
hemisphere,
high
detection
rates
It
study
show
occurrence
PFAS
tissues
multiple
from
Australasian
region,
demonstrating
inshore
dolphins.
Finally,
it
provides
key
baseline
knowledge
potential
exposure
bioaccumulation
compounds
within
coastal
environment
Australia.
Chemosphere,
Год журнала:
2024,
Номер
353, С. 141527 - 141527
Опубликована: Фев. 22, 2024
Per-
and
polyfluoroalkyl
substances
(PFAS)
are
persistent
contaminants
with
documented
harmful
health
effects.
Despite
increasing
research,
little
attention
has
been
given
to
studying
PFAS
contamination
in
low-
middle-income
countries,
including
Samoa.
Using
data
biosamples
collected
through
the
Foafoaga
o
le
Ola
("Beginning
of
Life")
Study,
which
recruited
a
sample
mothers
infants
from
Samoa,
we
conducted
an
exploratory
study
describe
concentrations
40
analytes
infant
cord
blood
at
birth
(n
=
66)
dried
spots
(DBS)
4
months
post-birth
50).
Of
tested,
19
were
detected
blood,
10
>50%
samples
(PFBA,
PFPeA,
PFOA,
PFNA,
PFDA,
PFUnA,
PFTrDA,
PFHxS,
PFOS,
9Cl-PF3ONS);
12
DBS,
3
PFOS).
generally
lower
than
those
reported
existing
literature,
exception
was
higher
concentrations.
In
noted
suggestive
(p
<
0.05)
or
significant
0.006)
associations
between
PFHxS
male
sex;
PFPeA
residence
Northwest
'Upolu
(NWU)
compared
Apia
Urban
Area
(AUA);
PFUnA
9Cl-PF3ONS
greater
socioeconomic
resources;
PFOA
parity;
PFDA
maternal
age;
BMI.
found
0.025)
PFBA
NWU
versus
AUA;
Finally,
observed
nutrition
source
DBS
formula-
mixed-fed
having
exclusively
breastfed
infants.
This
represents
first
characterization
Additional
work
larger
is
needed
identify
potentially
modifiable
determinants
concentrations,
information
that
critical
for
informing
environmental
policy
measures.
Journal of Hazardous Materials,
Год журнала:
2024,
Номер
476, С. 134996 - 134996
Опубликована: Июнь 21, 2024
Plastic
pollution
is
now
ubiquitous
in
the
environment
and
represents
a
growing
threat
to
wildlife,
who
can
mistake
plastic
for
food
ingest
it.
Tackling
this
problem
requires
reliable,
consistent
methods
monitoring
ingested
by
seabirds
other
marine
fauna,
including
identifying
different
types
of
plastic.
This
study
presents
robust
method
rapid,
reliable
chemical
characterisation
plastics
1-50
mm
size
range
using
infrared
Raman
spectroscopy.
We
analysed
246
objects
Flesh-footed
Shearwaters
(Ardenna
carneipes)
from
Lord
Howe
Island,
Australia,
compared
data
yielded
each
technique:
92
%
visually
identified
as
were
confirmed
spectroscopy,
98
those
low
density
polymers
such
polyethylene,
polypropylene,
or
their
copolymers.
Ingested
exhibit
significant
spectral
evidence
biological
contamination
reports,
which
hinders
identification
conventional
library
searching.
Machine
learning
be
used
identify
vibrational
spectra
with
up
93
accuracy.
Overall,
we
find
that
more
effective
technique
range,
appropriately
trained
machine
models
superior
searching
plastics.
The Science of The Total Environment,
Год журнала:
2025,
Номер
961, С. 178174 - 178174
Опубликована: Янв. 1, 2025
Ingestion
of
plastic
can
have
negative
health
consequences
for
wildlife.
However,
our
understanding
the
physiological
impacts
plastics
is
limited,
often
relying
on
opportunistic
sampling.
We
partnered
with
Tasmanian
Aboriginal
seabird
harvesters,
wildlife
rescue
clinics,
and
parks
managers,
to
collect
>400
fledgling
yula/short-tailed
flesh-footed
shearwaters
across
a
spectrum
body
conditions.
explored
blood
chemistry,
trace
elements,
broadscale
growth
metrics
as
proxy
in
relation
ingested
plastic.
found
beached
yula
fledglings
were
smaller
(wing
cord
mass)
than
other
groups.
no
significant
relationships
detected
between
ingestion
any
parameter.
Critically
evaluated,
findings
are
comparable
exposure
data
from
similar
(petrel
shearwater)
studies
globally.
These
results
suggest
that
most
same-size
petrels
shearwater
populations
worldwide
probably
below
threshold
where
sub-lethal
be
expected,
which
we
posit
occurs
when
loads
exceed
1-3
%
mass.
indicate
need
quantify
dose-risk
responses
seabirds,
more
generally.
Marine Pollution Bulletin,
Год журнала:
2025,
Номер
214, С. 117757 - 117757
Опубликована: Фев. 28, 2025
While
the
problem
of
plastic
ingestion
by
wildlife
is
well
recognised,
it
also
suffers
from
a
"file
drawer"
where
small
incidentally
collected
data
remains
unpublished
because
on
its
own,
may
represent
only
handful
individuals.
There
great
strength,
however,
in
combining
these
disparate
datasets
to
make
inferences
about
broader
patterns
and
therefore
inform
discussion
impacts
extent
providing
for
sparsely
sampled
taxa.
Here
we
summarise
records
seven
seabird
species
Western
Australia
New
South
Wales,
provide
baseline
updates
exposure
plastics.
For
most
included
our
assessment,
this
first
available
regarding
more
than
two
decades.
Very
low
rates
were
observed
Great-winged
Petrels
Pterodroma
macroptera,
Little
Shearwaters
Puffinus
assimilis,
Providence
solandri
with
adult
fledgling
Wedge-tailed
Shearwater
Ardenna
pacifica
Sable
carneipes
containing
moderate
amounts
(>8
%
prevalence).
Black-winged
nigripennis
Masked
Boobies
Sula
dactylatra
did
not
contain
any
ingested
plastic.
These
reported
using
standardised
methods
ensure
information
can
be
used
as
benchmark
against
prior
future
studies.
Syntheses
such
valuable
knowledge
regions
or
limited
data,
doing
so,
begin
reveal
pollution
relevance
conservation.
Understanding
plastics’
harmful
impacts
on
wildlife
would
benefit
from
the
application
of
hypothesis
agnostic
testing
commonly
used
in
medical
research
to
detect
declines
population
health.
Adopting
a
data-driven,
proteomic
approach,
we
assessed
changes
745
proteins
free-living
nonmodel
organism
with
differing
levels
plastic
exposure.
Seabird
chicks
heavily
affected
by
ingestion
demonstrated
range
negative
health
consequences:
Intracellular
components
that
should
not
be
found
blood
were
frequently
detected,
indicative
cell
lysis.
Secreted
less
abundant,
indicating
stomach,
liver,
and
kidneys
are
functioning
as
normal.
Alarmingly,
these
signatures
included
evidence
neurodegeneration
<90-day-old
seabird
high
ingested
plastic.
The
reflect
effects
distal
site
exposure
(i.e.,
stomach).
Notably,
metrics
assess
condition
(such
body
mass)
do
provide
an
accurate
description
or
ingestion.
Marine Pollution Bulletin,
Год журнала:
2024,
Номер
203, С. 116509 - 116509
Опубликована: Май 23, 2024
Seabirds
ingest
contaminants
linked
to
their
prey's
tissues,
but
also
adsorbed
ingested
plastic
debris.
To
explore
relationships
between
plastics
and
trace
elements
concentrations,
we
analyzed
25
essential
non-essential
in
liver
tissue
relation
content
the
gastrointestinal
tract
adults
of
four
species
Arctic
seabirds
with
different
propensity
plastic.
Linear
Discriminant
Analysis
(LDA)
provided
a
clear
separation
based
on
element
not
among
individuals
without
plastics.
Molybdenum,
copper,
vanadium,
zinc
were
strong
drivers
LDA,
separating
northern
fulmars
(Fulmarus
glacialis)
from
other
(60.4
%
explained
between-group
variance).
Selenium,
zinc,
mercury
black-legged
kittiwakes
(Rissa
tridactyla)
(19.3
This
study
suggests
that
ingestion
particles
has
little
influence
burden
seabird
species.