Life,
Год журнала:
2025,
Номер
15(4), С. 508 - 508
Опубликована: Март 21, 2025
Crustaceans
are
among
the
most
successful
taxonomic
groups
in
invasions
worldwide.
Humans
can
facilitate
these
through
introductions
and
disturbances
habitats.
The
Australian
redclaw
crayfish
(Cherax
quadricarinatus)
is
an
invasive
species
with
significant
global
ecosystem
impacts.
This
inhabits
Sierra
Gorda
Biosphere
Reserve,
Central
Mexican
Plateau.
We
hypothesize
that
environmental
degradation
facilitates
establishment
expansion
of
crayfish.
Seven
sites
along
Santa
María
River,
within
reserve
buffer
zone,
were
assessed
for
seven
months
2023.
analyzed
abundance
density
correlation
quality
habitat.
results
confirm
spread
populations
related
to
water
habitat
alteration.
associated
variables
include
increased
total
dissolved
solids,
greater
substrate
embedment,
degraded
conditions
on
stream
banks.
Furthermore,
inverse
relationship
between
macroinvertebrate
richness
reinforces
hypothesis
more
diverse
native
communities
reduce
success
invaders.
study
highlights
urgent
need
implement
management
strategies
focused
restoration
control
reproductive
extirpation
mature
individuals
as
critical
measures
controlling
Environmental Reviews,
Год журнала:
2023,
Номер
31(2), С. 310 - 326
Опубликована: Янв. 11, 2023
The
Emergency
Recovery
Plan
for
freshwater
biodiversity
recognizes
that
addressing
nonnative
species
is
one
of
six
principal
actions
needed
to
bend
the
curve
in
loss.
This
because
introduction
rates
continue
accelerate
globally
and
where
these
develop
invasive
populations,
they
can
have
severe
impacts
on
biodiversity.
most
effective
management
measure
protect
prevent
introductions
species.
Should
a
be
introduced,
however,
then
its
early
detection
implementation
rapid
reaction
measures
avoid
it
establishing
dispersing.
If
are
unsuccessful
becomes
invasive,
control
containment
minimize
further
spread
impact.
Minimizing
impact
includes
methods
reduce
invader
abundance
such
as
screening
invaded
sites
strict
biosecurity
dispersing
neighbouring
basins.
These
benefitted
from
developments
invasion
risk
assessment
prioritize
according
their
and,
already
ensure
commensurate
with
assessed
risk.
successful
still
requires
overcoming
some
challenges,
including
often
being
symptom
degraded
habitats
rather
than
main
driver
ecological
change,
eradication
nonspecies
specific.
Given
multiple
anthropogenic
stressors
freshwaters,
must
work
other
restoration
strategies
if
deliver
Given
its
extensive
volume
and
reach,
social
media
has
the
potential
to
widely
spread
conservation
messaging
be
a
powerful
tool
mobilize
change
for
conserving
biodiversity.
We
synthesized
gray
primary
academic
literature
investigate
effects
of
on
wildlife
conservation,
revealing
several
overarching
benefits
risks.
found
that
can
increase
pro-conservation
behaviours
among
public,
funding,
incite
policy
changes.
Conversely,
contribute
species
exploitation
illegal
trade,
cause
unprecedented
increases
in
tourism
protected
areas,
perpetuate
anti-conservation
via
misinformation.
In
most
cases,
we
content
sharing
did
not
result
detectable
impact
conservation;
this
paper,
however,
focus
providing
examples
where
was
achieved.
relate
these
positive
negative
outcomes
psychological
phenomena
may
influence
efforts
discuss
limitations
our
findings.
conclude
with
recommendations
best
practices
administrators,
public
users,
nongovernmental
organizations,
governing
agencies
minimize
risks
while
maximizing
beneficial
outcomes.
By
improving
messaging,
policing
online
misconduct,
guidance
action,
help
achieve
goals.
Abstract
Invasion
science
addresses
interconnected
ecological,
economic,
and
social
challenges
posed
by
the
introduction
of
nonnative
species.
Therefore,
invasion
scientists
have
to
consider
reconcile
interdisciplinary
needs
while
addressing
potential
implications
their
findings.
Navigating
diverse
disciplines,
including
environmental
sciences,
ecology,
economics,
humanities,
seek
arrive
at
informed
decisions
on
risk,
impact,
management.
Individual
biases,
uncertainties,
systemic
pressures
influence
ability
maintain
objectivity
resist
that
might
otherwise
distort
findings
or
applications.
In
present
commentary,
we
examine
conceptual
ethical
dilemmas
within
field
science,
particularly
reputational
risks
discipline
perpetuating
its
own
relevance
framing
invasions
as
insurmountable
challenges.
discussion,
highlight
how
incentive
structures,
biased
assessments
framing,
conflicts
interest
may
compromise
discipline's
integrity.
We
also
explore
questions
surrounding
human
responsibility
animal
welfare
conundrums
in
management
invasive
Frontiers in Ecology and Evolution,
Год журнала:
2021,
Номер
9
Опубликована: Июль 30, 2021
Native
European
crayfish
conservation
was
triggered
by
invasion
of
plague
disease
agent,
Aphanomyces
astaci
,
starting
1860s
in
Northern
Italy.
Resulting
epidemics
quickly
spread
over
Continental
Europe,
then
to
Finland,
Sweden
and
finally,
after
running
amok
around
A.
discovered
also
Iberian
Peninsula,
Norway,
Ireland,
United
Kingdom
1970s
1980s.
By
that
time
significant
proportion
native
stocks
had
been
lost,
while
were
still
recorded,
industrialization
waterways
construction
causing
damage
remaining
stocks.
While
alien
introductions,
at
least
Faxonius
limosus
already
gave
rise
first
wave
late
19th
century,
later
1960s
it
decided
introductions
Pacifastacus
leniusculus
should
be
initiated
replace
populations.
Decisions
based
on
presumed
advantages
for
fishery,
suitable
habitat
requirements
supposed
immunity
against
.
Furthermore,
species
sidelined
focus
shifted
toward
stocking
routine
consumption.
Alien
resulted
repeated
waves
among
It
soon
North
American
origin
were,
as
suspected,
permanent
reservoirs
some
those
losing
their
resistance
selected
strains
struggled
aquatic
ecosystems.
In
this
article,
we
introduce
numerous
motives
behind
grand
mistake
introducing
Europe
promoting
instead
focusing
species.
We
outline
how
false
economical,
biological
ecologic
assumptions
used
justify
a
hasty
introduction
crayfish,
which
has
further
devastated
permanently
changed
ecosystems,
both
with
disastrous
consequences.
Lesson
learnt
is
science-based
warnings
about
ecosystems
must
taken
utmost
caution.
Protection
core
issue,
not
commercial
activities.
Finally,
summarize
main
threats
actions
needed
protect
freshwater
fauna
Europe.
Proceedings of the National Academy of Sciences,
Год журнала:
2021,
Номер
118(12)
Опубликована: Март 16, 2021
Significance
Theoretical
models
of
population
dynamics
have
shown
the
counterintuitive
conclusion
that
harvest
can
increase
equilibrium
size
a
population.
These
increases
in
response
to
mortality
been
considered
for
fisheries
and
removal
non-native
species
be
driven
by
density-dependent
overcompensation.
This
is
first
controlled
experimental
field
demonstration
showing
harvest-driven
overcompensation
produced
30-fold,
single-year
abundance
invasive
European
green
crab
(
Carcinus
maenas
),
one
world’s
most
predators.
Using
multiple
lines
evidence,
we
provide
both
robust
fundamental
prediction
an
important
cautionary
message
future
eradication
efforts
similar
species.
Environmental Reviews,
Год журнала:
2022,
Номер
30(2), С. 306 - 322
Опубликована: Янв. 14, 2022
The
European
green
crab
(Carcinus
maenas),
native
to
northwestern
Europe
and
Africa,
is
among
the
top
100
most
damaging
invasive
species
globally.
In
some
regions,
including
Atlantic
coast
of
North
America,
C.
maenas
has
caused
long-term
degradation
eelgrass
habitats
bivalve,
crab,
finfish
populations,
while
other
areas
are
near
beginning
invasion
cycle.
Owing
high
persistence
reproductive
potential
local
regional
mitigation
efforts
no
longer
strive
for
extirpation
instead
focus
on
population
control.
Long-term
monitoring
rapid
response
protocols
can
facilitate
early
detection
introductions
that
critical
inform
management
decisions
related
control
or
extirpation.
Once
detected,
area
managers
will
need
decide
actions,
whether
what
measures
be
implemented,
if
might
prevented
extirpated,
reduction
achieve
functional
eradication
achievable.
immense
operational
demands
likely
required
extirpate
combined
with
limited
resources
removal,
it
unlikely
any
single
government,
conservation,
(or)
academic
organization
would
positioned
adequately
populations
in
areas,
highlighting
importance
collaborative
efforts.
Community-based
monitoring,
emerging
methods
such
as
environmental
DNA
(eDNA)
may
help
expand
spatial
temporal
extent
facilitating
removal
maenas.
While
several
programs
have
succeeded
reducing
their
our
knowledge,
program
yet
successfully
extirpated
invader,
cost
unsustainable
over
long-term.
An
alternative
approach
eradication,
whereby
reduced
below
threshold
levels
ecosystem
impacts
minimized.
Less
funding
effort
maintain
compared
either
case,
continual
because
quickly
increase
from
low
densities
larval
re-introductions.
Frontiers in Marine Science,
Год журнала:
2022,
Номер
9
Опубликована: Апрель 20, 2022
Major
invasions
of
Indo-Pacific
lionfish
(
Pterois
volitans
and
P.
miles
)
are
underway
in
the
Western
Atlantic
Ocean
Mediterranean
Sea.
While
establishment
is
perhaps
most
well-studied
marine
fish
invasion
to
date,
rapidly
expanding
more
recent
has
received
less
attention.
Here
we
review
synthesize
successes
failures
from
two
decades
management
give
policy
recommendations
for
their
Mediterranean.
Two
failed
approaches
that
were
attempted
multiple
times
advise
against
(1)
feeding
native
promote
predation
(2)
implementing
bounty
programs
incentivize
harvest.
Broadly,
important
lessons
recommend
include
conducting
routine
removals
by
spearfishing
with
scuba,
which
can
effectively
suppress
local
abundances
lionfish;
encouraging
development
recreational
commercial
fisheries,
long-term,
sustainable
population
control;
and,
(3)
engaging
communities
resource
users
(e.g.,
removal
tournaments),
concurrently
achieve
objectives
promoting
removals,
market-development,
research,
public
education.
Managers
often
needed
adapt
current
conservation
policies
enable
areas
where
scuba
was
otherwise
prohibited
purposes.
The
risk
abusing
these
mitigated
through
use
gear
restrictions,
diver
trainings,
participatory
integrated
divers
stakeholder
organizations
research
management.
Our
practices
Sea
found
many
our
recommended
not
being
done
indicate
potential
opportunities
implement
these.
We
expect
fully
work
continues
towards
multinational
cooperation
facilitate
regional
coordination
control,
efforts
respect
invasion.
As
other
major
biological
invasions,
unconstrained
political
borders
control
will
require
rapid
strategic
broad
among
between
governments
stakeholders.