Literature

[1] Hurni, H., Herweg, K., Liniger, H.; Maselli, D. and Kläy, A.(2003): Nachhaltige Ressourcennutzung I: Integrale Betrachtung von einzelnen natürlichen Ressourcen, sowie Forschungsmethoden und Möglichkeiten zu deren nachhaltiger Nutzung.
(http://www.cde.unibe.ch/University/pdf/NRN%20I%20WS%2003_04_neu.pdf; [last accessed: 10.05.2007]).

[2] KrügerH.-J., Fantaw, W. B. Mihaeli, Y.G., Kajela, K. (1997): Inventory of indigenous soil and water conservation measures on selected sites in the Ethiopian Highland. Soil Conservation Programme Ethiopia. Research Report 34. Bern, London.

[3] Bollom, M.W.: (1998): Impact Indicators. An Alternative Tool for the Evaluation of Watershed Management. New Delhi.

[4] Förch, G. and Schütt, B. (2004 b): International MSc ‘Integrated Watershed Management’ (IWM). In: Schütt, B. (ed.) (2004): Watershed Management in the Abaya-Chamo Basin, South Ethiopia. Berlin, p. 1-14.

[5] Muthoka, M.G. (1998): Environmental Education. Essential Knowledge for Sustainable Development. Nairobi.