General Introduction - Aquatic and TerrestrialBiological Invasions in the 21st Century -- 1 Anthropogenic Vectors of Marine and EstuarineInvasions: an Overview Framework -- 2 The Biogeography of Avian Invasions: History,Accident and Market Trade -- 3 Vectors for Spread of Invasive Freshwater VascularPlants with a North American Analysis -- 4 Invasions of Terrestrial Arthropods: Mechanisms,Pathways, and Dynamics -- 5 Vectors of Invasions in Freshwater Invertebratesand Fishes -- 6 Contribution of the Live Animal Trade to BiologicalInvasions -- 7 Parasites and Genetics in Marine InvertebrateIntroductions: Signatures of Diversity Declinesacross Systems -- 8 Invasive Crayfish and Their Invasive Diseasesin Europe with the Focus on the VirulenceEvolution of the Crayfish Plague -- 9 Host Dynamics and Ectoparasite Life Historiesof Invasive And Non-Invasive Deer Ked Populations -- 10 The Pacific Oyster (Crassostrea gigas) Invasionin Scandinavian Coastal Waters: Impact on LocalEcosystem Services -- 11 Invasive Seaweeds: Impacts and ManagementActions -- 12 Fighting Invasions in the Marine Realm, a CaseStudy with Caulerpa webbiana in the Azores -- 13 Reducing the Ecological Impact of Invasive CaneToads -- 14 Pine Invasions in South America: Reducing TheirEcological Impacts Through Active Management -- 15 Implications of Ship Type on Deliveryand Management of Ballast Water -- 16 Will Alien Plant Invaders Be Advantaged UnderFuture Climates? -- 17 Anticipating Invasions and Managing Impacts:A Review of Recent Spatiotemporal ModellingApproaches -- 18 Applications of DNA-based Methods for the Studyof Biological Invasions -- 19 Assembly Rules and Novel Assemblagesin Aquatic Ecosystems.