Scale'-key concept for unifying landscape ecology integral component of scientific method of Inquiry 1. Different notions of scale 2. Scale dependent independent biological and environmental attributes and concepts 3. Ecological hierarchy theory 4. Implications for spatial landscape ecology models A Unified Theory of Ecology Allen Hoekstra‘Scale’ - key concept for unifying landscape ecology - integral component of scientific method of inquiry 1. Different notions of scale 2. Scale dependent /independent biological and environmental attributes and concepts 3. Ecological hierarchy theory 4. Implications for spatial landscape ecology models ‘A Unified Theory of Ecology’ Allen & Hoekstra