Invasive Species Northern Ireland

False acacia

Robinia pseudoacacia

Status:

Potential

Habitat:

Terrestrial

Threats:

Outcompes native plants. Changes nutrient cycles.

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Fanwort

Cabomba caroliniana

Status:

Potential

Habitat:

Freshwater

Threats:

Competition with native species. Clogging of waterways. EU Species of Union Concern

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Finlayson's Squirrel

Callosciurus finlaysonii

Status:

Potential

Habitat:

Terrestrial

Threats:

Tree Damage through bark stripping, potential vector for diseases

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Fishhook waterflea

Cercopagis pengoi

Status:

Potential

Habitat:

Freshwater

Threats:

Competiton with native invertebrates. Negative impacts on native fish.

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Floating primrose - willow

Ludwigia peploides

Status:

Potential

Habitat:

Freshwater

Threats:

Shades out native plants and changes water chemistry

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Fox squirrel

Sciurus niger

Status:

Potential

Habitat:

Terrestrial

Threats:

Outcompetes native red squirrel. Disease vector.

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Giant kelp

Macrocystis pyrifera

Status:

Potential

Habitat:

Marine

Threats:

Outcompete native plants, shading and reduction in oxygen levels

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Giant reed

Arundo donax

Status:

Potential

Habitat:

Brackish

Threats:

Competition with native plants, shading of waterways

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Golden mussel

Limnoperna fortunei

Status:

Potential

Habitat:

Freshwater

Threats:

Fouls pipes, filters and intakes of water works. Colonises native bivalves and displaces native species. Increases algal blooms

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