What is this book about? 1Introduction to Invasive Alien Species2Aliens, Invasives, Pests, Weeds and IAS 3Invasive Alien Species in the Sri Lankan context 4Impacts of Invasive Alien Species...............6Invasive Alien Species Identification Methods......7 For Invasive Plants .........8 For Invasive Animals ........10Management of IAS in Sri Lanka ..12 Prevention ...........13 Early detection and rapid action .......15 National Level ...........15 Guidelines for early detection and rapid action .......16 Regional Level ....16Eradication, control and containment of IAS ....18Basic criteria to carry out a successful eradication procedure.....19 Control Methods ....20Best practice guideline for eradication, control and containment of IAS ......21Legal aspects ............23List of Invasive Alien Plants in Sri Lanka .............25List of Invasive Alien Animals in Sri Lanka ...........27Places where further information can be obtained .......30List of publications important for the study of IAS ....34