5 Non-Native Species in Aquaculture
175
Is this species/strain
already available in NZ
culture?
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6
Step 7
Step 8
Reject import
Obtain from NZ
source
All species in the
culture must be
characterised and then
run through the
approval process for
approval
Reject import
Reject import
Reject import
Is this species/strain toxic?
Approve import
Approve import
Approve import
See decision-tree
notes for
environmental
tolerance criteria
Non-native toxic
strains must be
maintained in a
registered quarantine
facility
HSNO process
Is this species/strain
already an approved import
by MAF?
Was it imported for use in a
registered quarantine
facility?
Approve import
pending evaluation of
legal implications
Are the organisms alive?
Yes
Yes
Yes
No
No
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
No
No
Is this species strain toxic?
Is the culture Axenic
Does this species occur in
NZ?
Is the import strain native to
NZ?
Approve import with
disposal restrictions
Is this species/strain
genetically modified?
Does this species/strain
have similar environmental
tolerances to NZ's
environment?
Will this import be
maintained in a registered
quarantine facility?
Approve import with
disposal restrictions
Recommendations
Fig. 5.4 Microalgae decision-tree developed for assessing the risk of importation of microalgae
to New Zealand