Integrating cultural dimensions in sperm whale ( Physeter macrocephalus ) conservation: threats, challenges and solutions
Philosophical Transactions of the Royal Society B Biological Sciences,
Год журнала:
2025,
Номер
380(1925)
Опубликована: Май 1, 2025
Culture-socially
transmitted
behaviours
shared
within
a
community-can
influence
animal
populations'
structure,
vulnerability
and
resilience.
Clans
of
sperm
whales
in
the
Eastern
Tropical
Pacific
(ETP)
exemplify
profound
culture
on
these
dynamics
highlight
challenges
accounting
for
conservation
efforts.
Globally,
are
classified
as
vulnerable,
ETP
whale
population
has
struggled
to
reach
positive
growth
rate.
This
stagnation
is
partly
due
cumulative
anthropogenic
threats
region,
including
fishing
conflicts,
vessel
traffic,
pollution,
deep
sea
mining,
oil
gas
exploration,
climate
change.
The
United
Nations
Convention
Migratory
Species
adopted
Concerted
Action
2017,
proposing
collaborative
efforts
address
cultural
dimensions
conservation.
However,
knowledge
gaps
real-world
implementation
persist.
Here,
we
review
role
social
transmission
shaping
behaviour
populations,
outline
current
environmental
stressors
they
face
ETP,
discuss
ongoing
incorporating
into
large-scale
international
Strengthening
transnational
collaboration
capitalizing
new
technologies
efficient
analysis
can
help
bridge
enhance
future
research
this
iconic
species.This
article
part
theme
issue
'Animal
culture:
changing
world'.
Язык: Английский
Automated extraction of right whale morphometric data from drone aerial photographs
Remote Sensing in Ecology and Conservation,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 10, 2025
Abstract
Aerial
photogrammetry
is
a
popular
non‐invasive
tool
to
measure
the
size,
body
morphometrics
and
condition
of
wild
animals.
While
method
can
generate
large
datasets
quickly,
lack
efficient
processing
tools
create
bottlenecks
that
delay
management
actions.
We
developed
machine
learning
algorithm
automatically
(body
length
widths)
southern
right
whales
(Eubalaena
australis,
SRWs)
from
aerial
photographs
(
n
=
8,958)
collected
by
unmanned
vehicles
in
Australia.
Our
approach
utilizes
two
Mask
R‐CNN
detection
models
to:
(i)
masks
for
each
whale
(ii)
estimate
points
along
whale's
axis.
annotated
dataset
468
images
containing
638
train
our
models.
To
evaluate
accuracy
approach,
we
compared
model‐generated
manual
measurements.
The
influence
picture
quality
(whale
posture
water
clarity)
was
also
assessed.
estimates
were
slightly
negatively
biased
(median
error
−1.3%),
whereas
volume
had
small
6.5%)
positive
bias.
After
correcting
both
biases,
resulting
mean
absolute
errors
0.85%
(SD
0.75)
6.88%
6.57),
respectively.
magnitude
decreased
as
increased.
When
using
data
quantify
intra‐seasonal
changes
SRW
females,
obtained
similar
slope
parameter
(−0.001843,
SE
0.000095)
derived
measurements
(−0.001565,
0.000079).
This
indicates
able
accurately
capture
temporal
trends
at
population
level.
Язык: Английский
Drones Applied to Cetacean Research: A Case Study of Fin Whales
IntechOpen eBooks,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 21, 2025
The
fin
whale
is
the
only
species
regularly
found
in
Mediterranean
Sea,
with
a
year
around
presence.
However,
aquatic
environment
and
whale’s
diving
behavior
have
posed
challenges
to
studying
this
marine
mammal.
increasing
use
of
drones
cetacean
research
has
significantly
enhanced
our
understanding
species.
Drones
provide
ability
quickly
discreetly
fly
over
whales,
minimizing
disturbance,
while
capturing
high-quality
footage
that
enables
observation
their
characteristic
features
used
for
identification,
as
well
supporting
morphometric
analysis.
Additionally,
can
assist
collecting
blow
samples
guiding
vessels
closer,
more
effective
approaches
conduct
biopsies,
collect
fecal
samples,
or
deploy
tagging
devices.
This
technological
advancement
greatly
contributed
deeper
offering
valuable
insights
into
health
population.
Язык: Английский
Deep Learning for Automated Shark Detection and Biometrics Without Keypoints
Lecture notes in computer science,
Год журнала:
2025,
Номер
unknown, С. 105 - 120
Опубликована: Янв. 1, 2025
Язык: Английский
Cetacean citizen science: Using iNaturalist as a tool to study whales and dolphins
World Journal of Biology Pharmacy and Health Sciences,
Год журнала:
2024,
Номер
19(1), С. 458 - 465
Опубликована: Июль 30, 2024
Cetaceans
are
commonly
observed
in
open
water
or
near
shore
habitats
by
citizen
scientists,
recreational
boaters,
tourists,
and
researchers.
Sightings
representing
images
with
known
time
location
data
may
include
an
assortment
of
behaviors
readily
visible,
can
provide
distribution
for
future
monitoring,
validate
beach
strandings,
highlight
localities
where
species
occur.
However,
to
date,
there
is
no
assessment
across
the
presence,
distribution,
behavior
North
American
cetaceans
increasingly
utilized
science
application
iNaturalist.
To
this
end,
short
communication
presents
temporal
trends
on
mortalities,
present
within
USA.
These
findings
iNaturalist
as
a
powerful
tool
potential
app
cetacean
research
environmental
management.
Язык: Английский