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Bio-Security Priorities

The previous sections have identified 32 priority INNS and fish biosec04 300 diseases for inclusion in the ERFT Bio-security Plan of which 19 high priority species will be the main focus for action (Table 3). The priority species were identified as those that: 

  • If introduced would have severe consequences for local bio-diversity and economy
  • Have a high risk of introduction due to nature of the pathways for their introduction and their current geographic proximity
  • Already exist within the Esk district.

Table 3 - Priority (P) and High Priority (HP) Species
for Action in the ERFT Bio-Security Plan

Present (HP) High Risk of Introduction (HP) Low to Medium Risk of Introduction (P)

American Mink

Canadian Pond Weed

Nuttal's Pond Weed

Japanese Knotweed

Himalayan Balsam

Giant Hogweed


Rainbow Trout


A S Crayfish

Red Vent Syndrome

Gyrodactylus Salaris

Giant Mitten Crab

Slipper Limpet

Zebra Mussel

Curly Waterweed

Australian Swap Stonecrop


Ruddy Duck

Water primrose

Water fern

Slipper limpet

Didemnum Tunicates / sea squirts




Common cord grass

Large flowered waterweed

Floating pennywort

Parrot's feather


Asian topmouth gudgeon

The plan will require to identify stakeholders and actions associated with the prevention, detection and rapid response to the introduction of those priority INN species not present in the ERFT catchments as well as for the mitigation, control and eradication of those species already present.