Species Accounts – Invasive Species Northern Ireland

Salvinia moss

Salvinia molesta

Status:

Potential

Habitat:

Freshwater

Threats:

Grows rapidly. Spreads vegetatively. May smother out other plants.

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Sea buckthorn

Hippophae rhamnoides

Status:

Established

Habitat:

Terrestrial

Threats:

Shading native plants and changing dune structures

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Senegal tea plant

Gymnocoronis spilanthoides

Status:

Potential

Habitat:

Freshwater

Threats:

Fast growing. Pioneer species. Highly adaptable to new environments.

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Shovel-headed garden worm

Bipalium kewense

Status:

Potential

Habitat:

Terrestrial

Threats:

Predation on native earthworm species, impacting soil health and nutrient cycling.

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Siberian chipmunk

Tamias sibericus

Status:

Established

Habitat:

Terrestrial

Threats:

Competes with native rodents and may have a local impact on ground-nesting birds. Potential disease vector.

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Sika deer

Cervus nippon

Status:

Established

Habitat:

Terrestrial

Threats:

Can cause severe ecological damage, spread disease, pose traffic hazards and inflict costly destruction on forests.

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Silky hakea

Hakea sericea

Status:

Potential

Habitat:

Terrestrial

Threats:

Increases wildfire intensity. Reduces species richness, supressing and excluding native flora

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Slipper limpet

Crepidula fornicata

Status:

Established

Habitat:

Marine

Threats:

Habitat Alteration.

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Small Asian mongoose

Herpestes javanicus

Status:

Potential

Habitat:

Terrestrial

Threats:

It is an oppertunisitic feeder, and will impact on native mammals, amphibians, birds and reptiles

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