Species on the Move. Species and continents ; Relicts, refugia, and ice ages ; Migrations, ocean dispersal, and islands ; Dispersal by humans ; What a long, strange trip it's been.
A Short History of Nativeness. What is native? ; War and peace ; The value of nativeness ; The conservation imperative ; Follow the money ; The rest of this book.
First Some Bad News. Brown tree snake ; Zebra mussel ; Tamarisk ; Purple loosestrife
Guilty as Charged? Purple loosestrife ; Tamarisk ; Zebra mussel ; OK, but what about the brown tree snake?
If it's Nice, it Must be Native. The native British flora ; Hares, rabbit, and crayfish ; Beavers in Britain ; The misunderstood dingo ; Caribbean raccoons ; The tangled tale of the pool frog ; Nativeness under attack.
A Short Course in Ecology. Some niche theories ; Testing niche theory ; Niches and invasions ; Aliens and global biodiversity ; Lessons from history.
Spotting the Bad Guys. Winners and losers ; Two rather unsuccessful theories ; A slightly better theory ; Acclimatisation societies.
Out of Control. Aliens and islands ; A mainland example : the devil's claw ; Useful aliens ; Biological control and a tale of two snails ; Aliens and the law.
No Going Back. Making the best of aliens ; A longer perspective ; Alien evolution ; Evolution of the invaded ; The tip of the iceberg.
Levelling the Playing Field. Deliberate introductions : the strange tale of the harlequin ladybird ; Gardeners' world ; Japanese knotweed : lice to the rescue ; Fellow travelers ; Assisted migration.
Five Myths About Invasions. #1, Alien invasions reduce biodiversity and ecosystem function ; #2, Alien species cost us a fortune ; #3, Aliens are always to blame ; #4, Aliens are out to get us ; #5, Aliens are bad, natives good.
Where do we go from here?
