Invasive alien species - A subset of established 
alien species that spread and have a negative 
impact on biodiversity, local ecosystems and
species. Many invasive alien species also have 
impacts on nature's contributions to people 
(embodying different concepts, such as 
ecosystem goods and services and nature's gifts)
and good quality of life
THE THEMATIC ASSESSMENT REPORT ON INVASIVE ALIEN SPECIES AND THEIR CONTRO
The thematic assessment report on
INVASIVE ALIEN SPECIES
AND THEIR CONTROL
Figure SPM 1 Key concepts within the biological invasion process.7