Abstract:According to the discussion on key issues and the scopes of landscape ecology during the 16 th IALE-US annual conference in 2001, 6 key issues and 10 leading topics were explained, which synthesized the opinions on theory and methodology of 16 internationally famed landscape ecologists. The 6 key issues dealt with: (1) interdisciplinarity or transdisciplinarity, with researchers from different fields, planners, managers, social scientists and decision makers working closely together on ecological issues at...