TY - JOUR A1 - Wiegand, T. A1 - Jeltsch, Florian T1 - Long-term dynamics in arid and semi-arid ecosystems : synthesis of a workshop Y1 - 2000 ER - TY - JOUR A1 - Jeltsch, Florian A1 - Stephan, T. A1 - Wiegand, T. A1 - Weber, G. E. T1 - Arid rangeland management supported by dynamic spatially-explicit simulation models Y1 - 2001 ER - TY - JOUR A1 - Jeltsch, Florian A1 - Wiegand, T. A1 - Hanski, I. A1 - Grimm, Volker T1 - Using pattern-oriented modeling for revealing hidden information : a key for reconciling ecological theory and application Y1 - 2003 ER -