Management of Biological Invasions,
Journal Year:
2023,
Volume and Issue:
14(4), P. 579 - 594
Published: Jan. 1, 2023
It
is
important
for
regulators
and
managers
to
effectively
distinguish
native
from
alien
taxa.However,
a
taxon
can
have
both
populations
within
the
same
country
as
biogeographic
administrative
boundaries
do
not
always
align.Here
we
propose
protocol
classifying
native,
alien,
cryptogenic,
or
native-alien,
describe
evidence
required.This
comprises
of
three
questions:
(1)
population
outside
historic
range
taxon,
(2)
is/was
natural
dispersal
unlikely,
(3)
part
region
where
found.If
information
on
introduction
pathways,
genetics,
biogeographical
barriers
available,
an
alternative
process
answer
question
2.
The
was
applied
176
suspected
native-alien
in
South
Africa.A
total
132
77
taxa
were
classified
13
(native-alien
status
uncertain),
18
native.We
believe
provides
transparent
standardised
method
categorising
thereby
facilitates
appropriate
regulation
management
this
type
biological
invasion.
Global Change Biology,
Journal Year:
2020,
Volume and Issue:
26(4), P. 2449 - 2462
Published: Jan. 19, 2020
Biological
invasions
often
transcend
political
boundaries,
but
the
capacity
of
countries
to
prevent
varies.
How
this
variation
in
biosecurity
affects
invasion
risks
posed
involved
is
unclear.
We
aimed
improve
understanding
how
a
country
influences
that
its
neighbours.
developed
six
scenarios
describe
biological
regions
with
contiguous
countries.
Using
data
from
alien
species
databases,
socio-economic
and
biodiversity
distribution
models,
we
determined
where
86
100
world's
worst
invasive
are
likely
invade
have
negative
impact
future.
Information
on
was
used
determine
whether
such
could
be
avoided.
For
selected
species,
predicted
2,523
discrete
invasions,
most
which
would
significant
impacts
unlikely
prevented.
Of
these
approximately
third
were
spread
first
establishes
neighbouring
they
cause
impacts.
Most
prevented
as
establishment
has
low
or
little
incentive
do
so
there
will
no
country.
Regional
therefore
essential
future
harmful
invasions.
In
consequence,
propose
need
for
increased
regional
co-operation
combat
incorporated
global
targets.
Geo Geography and Environment,
Journal Year:
2025,
Volume and Issue:
12(1)
Published: Jan. 1, 2025
Abstract
Humans
and
ornamental
plants
have
a
long
relationship
that
could
explain
why
gardening
has
been
one
of
the
main
reasons
for
intentionally
introducing
spreading
worldwide.
In
Southern
Africa,
significant
part
alien
flora
was
introduced
purposes.
Some
species
become
invasive,
with
ecological
socio‐economic
impacts
can
create
conflicts
between
stakeholders,
depending
on
their
relationships
species.
This
paper
unpacks
how
industry
in
Africa
operates
as
well
people's
preferences
practices
to
highlight
links
plant
invasions
help
address
potential
conflicts.
Drawing
empirical
data
primarily
collected
2022/23
Botswana,
Namibia
Zimbabwe
(and
other
African
countries),
our
results
show
Africa's
is
highly
influenced
by
global
industry,
especially
South
Africa.
The
sector
provides
‘formal’
‘informal’
jobs
people
urban
areas,
middle‐aged
women
from
ethnic
majorities.
sector's
operation
expressions
typical
cultural
hybridity
postcolonial
states
where
hegemonic
subaltern
coexist
mix.
Alien
foreign
styles
often
symbolise
higher
social
status,
but
controversially,
socially
privileged
groups
are
publicly
leading
shifts
towards
more
geographically
contextualised
native
plants.
We
conclude
arguing
recognising
influences
historical
processes
its
essential
ethically
sound
fair
stakeholder
engagement
preventing
managing