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Managing non-native species

Non-native species are plants and animals that have moved beyond their native range through human activity. 

Published: 22 Feb 2025

Topic: Manage forests

Many of these non-native species are carefully managed and contribute positively to our lives, for example as crops or garden plants.

However, some non-native species can:

  • disrupt ecosystems
  • cause damage to native species, habitats and the environment

How does Scotland tackle invasive non-native species?

The Non-native Species Action Group is a Scottish Government initiative focused on coordinating action against invasive non-native species in Scotland. 

It is chaired by the head of the Scottish Government's Biodiversity Unit and comprises various organisations including:

  • NatureScot
  • SEPA
  • Scottish Forestry 

The Scottish Government aims to ensure effective policy coordination and practical implementation of INNS management strategies.

Wildlife management (Scottish Government website)

The cost of invasive non-native species (INNS)

Invasive non-native species impact the environment, economy, and human health. These species can cause significant damage to native wildlife, ecosystems, and infrastructure.
£499
million
is spent annually combating invasive non-native species (INNS) in Scotland
£2
billion
spent annually across Great Britain

Legislation on non-native species

The WANE Act

The Wildlife & Environment Act (Scotland) 2011 (the WANE Act) is intended to protect Scotland’s environment from the damage that can sometimes be caused by non-native species.

The Wildlife and Natural Environment Act (WANE) (legislation.gov.uk)


Scottish Biodiversity Strategy Delivery Plan

Scottish Forestry is a supporting partner for Action 3 in the Scottish Biodiversity Strategy Delivery Plan (2024-2030).

This is a commitment to develop and implement a Scottish plan for INNS surveillance, prevention and control.

Scottish Biodiversity Strategy Delivery Plan, 2024-2030 (Scottish Government website)

Invasive rhododendron

Invasive, non-native rhododendron - particularly Rhododendron ponticum in the UK and parts of Europe - is a significant problem for native ecosystems.

Guidance for forest owners and managers

Landowners have a responsibility under EU Regulations not to grow, cultivate or otherwise release into the environment Invasive Non-Native Species.

This is identified as a legal requirement under the UK Forestry Standard (UKFS). 

Our guidance 'Managing Invasive and Non-native Forestry Species', provides:

  • full details of the responsibilities of forest owners and managers
  • offers advice on how to reduce the risk of invasive spread through forest planning and management

Managing Invasive and Non-native Forestry Species

You should also read the Code of Practice on non-native species, provided by the Scottish Government.

Non-native species: code of practice (Scottish Government website)

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