European Commission
EASIN - European Alien Species Information Network

Invasive Species Week 2026

The Invasive Species Week returns to Portugal & Spain in 2026 (#SEI2026), from May 23rd to 31st!

Portugal & Spain

Citizens can play a relevant role not only in preventing biological invasions but also in mitigating their impacts. However, this topic remains unknown to many Portuguese and Spanish citizens. In this context, the Invasive Species Week - #SEI, held since 2020, aims to contribute to increasing knowledge and awareness about invasive alien species.

More details: https://www.speco.pt/sei