Unravelling urban nesting site selection in an opportunistic gull: an integrated analysis of micro-spatial habitat and litter quantification
European Journal of Wildlife Research,
Год журнала:
2024,
Номер
70(4)
Опубликована: Июнь 28, 2024
Abstract
The
proliferation
of
gull
populations
in
urban
areas
has
led
to
an
increase
human-gull
conflicts,
especially
highly
populated
cities
where
these
opportunistic
predators
are
often
considered
a
nuisance.
There
is
lack
data
regarding
the
selection
nesting
sites
by
gulls,
so
management
measures
at
level
cannot
be
implemented.
Here,
we
investigated
main
environmental
factors
that
explain
preferences
yellow-legged
(
Larus
michahellis
)
areas,
using
population
city
Barcelona
(NE
Spain)
as
study
model.
We
conducted
integrated
analysis
combines
micro-scale
habitat
assessments
148
with
macro-scale
assessment
movements
derived
from
GPS
tracking
breeding
gulls.
also
analysed
type
and
abundance
litter
nests
related
this.
Nests
were
mainly
found
on
flat
roofs
or
above
structure
roof
located
corner
placements
situated
gravel
substrate.
Nest
showed
negative
relation
port
distance
building
height
beyond
12
m.
presence
was
detected
more
than
80%
density.
Understanding
ecology
gulls
implications
for
prevent
nest
establishment.
Язык: Английский
Assessing the impacts of trace element contamination on the physiology and health of seabirds breeding along the western and southern coasts of Portugal
Environmental Pollution,
Год журнала:
2024,
Номер
358, С. 124528 - 124528
Опубликована: Июль 9, 2024
More than just a roof under their feet: How spatial and structural features of a coastal city predict nest site selection in the urban-nesting Glaucous-winged Gull (Larus glaucescens)
Ecological Modelling,
Год журнала:
2024,
Номер
496, С. 110819 - 110819
Опубликована: Авг. 14, 2024
How
birds
use
and
interact
with
an
urban
environment
has
been
of
interest
for
a
variety
species
across
the
globe.
This
particularly
case
gulls
(Laridae)
as
in
this
family
nest
otherwise
occupy
habitat
areas
on
six
continents,
often
coming
into
conflict
humans
they
do
so.
In
study,
we
combine
survey
data
urban-nesting
Glaucous-winged
Gulls
Larus
glaucescens
Vancouver,
Canada
detailed
information
architectural
spatial
features
structures
which
to
build
explanatory
predictive
statistical
model
nest-site
selection
our
study
city.
We
find
that
building
height
is
by
far
most
important
variable
process
rooftops
higher
are
generally
more
attractive
nesters,
but
only
up
certain
point.
Flat
non-residential
near
water
also
highly
valued.
However,
complex
relationships
exist
between
these
other
variables
offer
insights
nesting
patterns.
modelling
approach
predict
roughly
1,800
pairs
nested
city
2017
over
2,000
2023.
Combining
high
exact
rooftop
recurrence
rates
derived
from
additional
taken
2015
2019,
historical
population
data,
argue
likely
continue
expand
future
at
4%
per
annum.
As
suffered
declines
its
natural
breeding
colonies
region,
suggests
region
may
be
increasingly
urban-centric.
Язык: Английский
The Impact of Breeding Yellow-Legged Gulls on Vegetation Cover and Plant Composition of Grey Dune Habitats
Diversity,
Год журнала:
2023,
Номер
15(5), С. 589 - 589
Опубликована: Апрель 24, 2023
The
establishment
of
large
populations
yellow-legged
gull
Larus
michahellis
in
coastal
and
urban
areas
can
lead
to
strong
changes
vegetation
cover
composition
through
creating
physical
disturbance
the
impacting
soil
quality
defecation.
In
this
study,
we
evaluated
effects
breeding
on
tall
short
plant
species
old
(occupied
for
13
years)
new
3
colony
sites
grey
dunes
Algarve,
southern
Portugal.
each
site,
sampling
plots
were
used
measure
percentage
with
without
gulls.
by
was
substantially
reduced
increased
where
gulls
are
comparison
adjacent
areas.
sites,
there
only
minor
differences.
increase
area
site
mostly
nitrophilous
(Paronychia
argentea
Malcolmia
littorea)
should
be
explained
decrease
feces
deposition.
Tall
slow-growing
Suaeda
maritima
Helichrysum
italicum
covers
negatively
affected.
Our
results
showed
that
affected
after
years
consecutive
breeding,
considered
management
these
habitats
increasing.
Язык: Английский