Atlantic Salmon and Non-Native Species: Is There an Issue?

The International Union for the Conservation of Nature (IUCN) assert that the spread of Invasive Alien Species (IAS) is, after habitats loss, the second most significant threat to global biodiversity. The most recent global assessment report on biodiversity and ecosystem services carried out by the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES) concluded that nearly one fifth of the Earth’s surface is at risk of plant and animal invasions, impacting native species, ecosystem functions and nature’s contributions to people, as well as economies and human health. This paper considers the impact that Invasive Alien Species may have on the survival of wild Atlantic salmon.