Habitat manipulation comprises biological control, crop rotations, crop diversity, flower strips, natural enemy refuges etc, and is a powerful tool for suppressing arthropod pest populations. It offers scope for farmers to avoid high tech' approaches, and reliance on powerful pesticides, and is the backbone of organic and traditional farming systems. This book examines the broad range of theoretical, methodological and applied approaches currently used, and captures state-of-the-art thinking by key international researchers and practitioners.