Evolutionary Applications,
Год журнала:
2025,
Номер
18(5)
Опубликована: Май 1, 2025
ABSTRACT
Genetic
rescue
is
a
conservation
management
strategy
that
reduces
the
negative
effects
of
genetic
drift
and
inbreeding
in
small
isolated
populations.
However,
such
populations
might
already
be
vulnerable
to
random
fluctuations
growth
rates
(demographic
stochasticity).
Therefore,
success
depends
not
only
on
composition
source
target
but
also
emergent
outcome
interacting
demographic
processes
other
stochastic
events.
Developing
predictive
models
account
for
feedback
between
(‘demo‐genetic
feedback’)
therefore
necessary
guide
implementation
minimize
risk
extinction
threatened
Here,
we
explain
how
mutual
reinforcement
drift,
inbreeding,
stochasticity
increases
We
then
describe
these
can
modelled
by
parameterizing
underlying
mechanisms,
including
deleterious
mutations
with
partial
dominance
variances
increase
as
abundance
declines.
combine
our
suggestions
model
parameterization
comparison
relevant
capability
flexibility
five
open‐source
programs
designed
building
genetically
explicit,
individual‐based
simulations.
Using
one
programs,
provide
heuristic
demonstrate
simulated
delay
virtual
would
otherwise
exposed
greater
due
demo‐genetic
feedback.
use
case
study
Australian
marsupials
published
data
used
or
all
stages
development
application,
parameterization,
calibration,
validation.
highlight
either
empirical
sequence
variation
(or
hybrid
approach)
suggest
model‐based
decision‐making
should
informed
ranking
sensitivity
predicted
probability/time
parameters
(e.g.,
translocation
size,
frequency,
populations)
among
different
genetic‐rescue
scenarios.
Global Change Biology,
Год журнала:
2024,
Номер
30(7)
Опубликована: Июль 1, 2024
Abstract
Climate
change
is
the
most
significant
threat
to
natural
World
Heritage
(WH)
sites,
especially
in
oceans.
Warming
has
devastated
marine
faunas,
including
reef
corals,
kelp,
and
seagrass.
Here,
we
project
future
declines
species
ecosystem
functions
across
Australia's
four
WH
coral
regions.
Model
simulations
estimating
species‐level
abundances
probabilities
of
ecological
persistence
were
combined
with
trait
space
reconstructions
at
“present,”
2050
(+1.5°C
warming),
2100
(+2°C)
explore
biogeographical
overlaps
identify
key
functional
differences
forecast
changes
function
through
time.
Future
climates
varied
by
region,
Shark
Bay
projected
warm
(>1.29°C),
followed
Lord
Howe,
when
standardized
park
size.
By
2050,
~40%
Great
Barrier
Reef
will
exceed
critical
thresholds
set
warmest
summer
month
(mean
monthly
maximum
[MMM]),
triggering
mortality.
Functional
diversity
was
greatest
Ningaloo.
At
+1.5°C
warming,
regions
drastically
their
responses,
declined
20.2%
richness
(~70
extinctions)
lost
all
reefs.
+2°C,
models
predicted
a
complete
collapse
functions,
consistent
IPCC
forecasts.
This
variability
suggests
bespoke
management
approach
needed
for
each
region
understanding
vulnerability
climate
change,
identifying
thresholds,
quantifying
uncertainty
impacts.
knowledge
aid
focusing
management,
policy
conservation
actions
direct
resources,
rapid
action,
biodiversity
targets
these
reefs
global
priority.
As
reassemble
into
novel
or
different
configurations,
determining
winners
losers
be
meeting
landmark
goals.
Cambridge Prisms Extinction,
Год журнала:
2024,
Номер
2
Опубликована: Янв. 1, 2024
Abstract
Biodiversity
is
in
rapid
decline,
but
the
extent
of
loss
not
well
resolved
for
poorly
known
groups.
We
estimate
number
extinctions
Australian
non-marine
invertebrates
since
European
colonisation
continent.
Our
analyses
use
a
range
approaches,
incorporate
stated
uncertainties
and
recognise
explicit
caveats.
plausible
bounds
species,
two
approaches
estimating
extinction
rate,
Monte
Carlo
simulations
to
select
combinations
projected
distributions
from
these
variables.
conclude
that
9,111
(plausible
1,465
56,828)
species
have
become
extinct
over
this
236-year
period.
These
estimates
dwarf
formally
recognised
(10
species)
single
invertebrate
listed
as
under
legislation.
predict
39–148
will
2024.
This
inconsistent
with
recent
pledge
by
government
prevent
all
extinctions.
high
rate
largely
consequence
pervasive
taxonomic
biases
community
concern
conservation
investment.
Those
characteristics
also
make
it
challenging
reduce
loss,
there
uncertainty
about
which
are
at
most
risk.
outline
responses
likelihood
further
Journal of Applied Ecology,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 6, 2025
Abstract
As
invasive
predators
continue
to
drive
global
biodiversity
loss,
predator‐free
havens
are
rapidly
being
established
recover
threatened
fauna.
An
unintended
consequence
of
these
efforts
is
that
havened
populations
can
lose
anti‐predator
traits,
making
them
poorly
suited
for
reintroduction
into
landscapes
contain
predators.
One
approach
showing
promise
in
preventing
the
loss
critical
responses
from
situ
predator
exposure.
Here
we
evaluate
this
via
experimental
translocations
determine
whether
predation
pressure
a
native
mesopredator
(chuditch;
Dasyurus
geoffroii
)
effective
retaining
behavioural
and
morphological
traits
Endangered
woylie
(
Bettongia
penicillata
ogilbyi
).
We
conducted
replicated
reintroductions
semi‐havened
(free
but
exposed
chuditch)
non‐havened
(control)
woylies
vacant
bushland
containing
chuditch,
feral
foxes
Vulpes
vulpes
cats
Felis
catus
monitored
survival,
reproduction,
physiology
(faecal
glucocorticoid
metabolites,
fGCM),
proxies
before
10
months
after
their
release.
found
no
effects
source
population
on
weight,
pes
length,
agitation
behaviour
or
fGCM.
Survival
probability
was
higher
males,
individuals
with
fGCM
levels,
could
not
attribute
differences
survival
they
originated
haven.
These
findings
suggest
sustained
chuditch
inside
haven
has
been
maintaining
supporting
faced
novel
Synthesis
Applications
.
In
exposure
be
valuable
tool
preserving
populations.
However,
it
will
crucial
understand
thresholds
across
contexts
fauna
withstand
recommending
broad‐scale
adoption
strategy.
People and Nature,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 10, 2025
Abstract
The
decline
of
wildlife
on
private
land
is
accelerating
around
the
world.
Resulting
efforts
to
conserve
lands
are
characterised
by
a
complex
socio‐ecological
interplay
between
human
practices
and
wildlife.
Central
these
dynamics
contradiction
fixed
property
boundaries
mobility
wildlife,
necessitating
conservation
strategies
that
transcend
individual
parcels.
Relevant
include
uses
such
as
agriculture,
forestry
housing,
but
also
underlying
economic,
political
cultural
relationships
involved
in
land.
We
focus
here
capitalist
market
societies.
argue
addressing
social‐ecological
complexity
context
ownership
societies
requires
new
that,
more
effectively
than
existing
approaches,
foster
collaboration
across
at
an
ecologically
relevant
landscape
scale.
While
transdisciplinary
have
had
some
application
conservation,
there
opportunity
extend
mainstream
approaches
integrating
social
science
insights
into
relations
with
innovations
citizen
community
conservation.
most
initiatives
yet
take
full
advantage
opportunities
provided
contract
for
landscape‐scale
landholder
collaboration.
Drawing
participatory
projects
pioneered
Tasmania,
Australia,
we
describe
‘transdisciplinary
pathways’:
methodology
navigating
complexities
seemingly
intractable
problems,
theoretical
applied
local
ecological
knowledge.
This
knowledge
integration
grounded
relationship
building
researchers,
professionals
neighbourhood
clusters
landowners.
resulting
cohesive
adaptive
networks
actors
create
pathways
specific
contexts
while
contributing
broader
scientific
learning.
Read
free
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