plant invasion Impatiens glandulifera Impatiens noli-tangere Impatiens parviflora Island Biogeography Pacific Ocean balsam naturalised species plant invasions seed dormancy seed germination soil environment species database homegardens invasion potential urban vegetation classification Animalia Biological invasions EICAT introduction pathways invasion science Pathway Classification Unified Framework Biological invasions code of conduct environmental policy and legislation invasion science stakeholder engagement stakeholder participation sustainable forestry tree invasions Canidae Canis Canis aureus Carnivora Chordata Elbe River catchment Golden jackal Habitat Mammalia Persistence Range expansion and degazettement (PADDD) biodiversity camera trap central Bohemia circadian activity conservation downsizing ecology invasive alien species (IAS) management national parks protected area downgrading seasonal dynamics Alien species Artificial habitats diversity flowerbeds horticulture long-term monitoring plant assemblage species origin Assembly processes Balsaminaceae Black list Climatic suitability