1. Ahern J (2005a) Integration of landscape ecology and landscape architecture: an evolutionary and reciprocal process. In: Wiens JA, Moss MR (eds) Issues and perspectives in landscape ecology. Cambridge University Press, Cambridge, pp 311–319
2. Ahern J (2005b) Theories, methods and strategies for sustainable landscape planning. In: Tress B, Tress G, Fry G, Opdam P (eds) From landscape research to landscape planning: aspects of integration, education and application. Springer, Dordrecht
3. Ahern J, Leduc E, York ML (2006) Biodiversity planning and design: sustainable practices. Island Press, Washington, DC
4. ASLA (2009) American society of landscape architects. http://www.asla.org/nonmembers/publicrelations/factshtpr.htm . Accessed 10 Jan 2009
5. Bastian O, Kronert R, Lipsky Z (2006) Landscape diagnosis on different space and time scales—a challenge for landscape planning. Landscape Ecol 21:359–374. doi: 10.1007/s10980-005-5224-1