Literature

[1] Förch; Gerd and Schütt; Brigitta (2004a): Watershed Management - An Introduction. FWU, Vol. 4, Lake Abaya Research Symposium 2004.

[2] Wilhelm, F. (1997): Hydrogeographie: Grundlagen der allgemeinen Hydrogeographie. Braunschweig.

[3] Ahnert, F. (2003): Einführung in die Geomorphologie. Stuttgart.

[4] Mendel, H.G. (2000): Elemente des Wasserkreislaufs. Eine kommentierte Bibliographie zur Abflussbildung. Berlin.

[5] Tidemann, E. (1996): Watershed Management. Guidelines for Indian conditions. New Delhi.

[6] Allan, J.R.T. (2003): Virtual Water - the Water, Food, and Trade Nexus Useful Concept or Misleading Metaphor? In: IWRA, Water International, Volume 28, Number 1, March 2003, p 4-11.

[7] Blüthgen; J. and Weischet, W. (1980): Allgemeine Klimageographie. Berlin. New York.

[8] Schütt, B. and Thiemann, St. (2001): Assessment and Monitoring of Erosion and Sedimentation Problems in Ethiopia. Geomorphological Investigation of Erosion Processes in eight selected Watersheds. Trier.

[9] Richter, G. (ed.) (1998): Bodenerosion. Analyse und Bilanz eines Umweltproblems. Darmstadt.

[10] Bradshaw, M. and Weaver, R. (1995): Foundations of Physical Foundation. Dubuque.

[11] Robert, A. (2003): River Processes. An Introduction to Fluvial Dynamics. New York.

[12] Thorne, C.R.; Hey, R.D. and Newson, M.D. (1997): Applied Fluvial Geomorphology for River Engineering and Management. Chichester.

[13] Knighton, D. (1998): Fluvial Forms and Processes. A new Perspective. London, New York.

[14] Beck, J.; Busch, K.; Eckhart, E.; Frayer, J.; Hahl, R.; Hundhausen, C.; Reiche, ST.; Schwertfechter, CH.; Stumptner, A.; Abebe, T.; Amare, G.; Ayalew, N.; Banthie, W.; Berhe, T.; Kiros, N.; Legesse, G.; Muluneh, Z.; Siynum, B.; Tafere, M. and Walelign, Z. (2004): Soil Erosion Risk and Water Balance of the Gina River catchment. In: SCHÜTT, B. (ed.) (2004): Watershed Management in the Abaya-Chamo Basin, South Ethiopia. Berlin, p. 15-73.

[15] Thomas, D.G. and Allison, R.J. (1993): Landscape Sensitivity. Chichester.

[16] Countryside Agency (2007): Landscape Character Assessment. Guidance for England and Scotland. Topic Paper 6: Techniques and Criteria for Judging Capacity and Sensitivity. An exploration of current thinking about landscape sensitivity and landscape capacity, to stimulate debate and encourage the development of common approaches.

(http://www.countryside.gov.uk/Images/LCA%20Topic%20Paper%206_tcm2-18220.pdf; [last accessed: 02.05.2007] (the exact date of publication could not be find out; thus, the date of access is quoted).