REFERENCES
Abate M, Nyssen J, Moges MM, Enku T, Zimale FA, Tilahun SA, Adgo E, Steenhuis TS. 2016. Long‐term landscape changes in the Lake Tana basin as evidenced by delta development and floodplain aggradation, Ethiopia.Land Degradation & Development . DOI: 10.1002/ldr.2648
Abate M, Nyssen J, Steenhuis TS, Moges MM, Tilahun SA, Enku T, Adgo E. 2015. Morphological changes of Gumara River channel over 50 years, upper Blue Nile basin, Ethiopia. Journal of Hydrology 525: 152-164.
Bayable HK, Tebebu TY, Stoof CR, Steenhuis TS. 2016. Effects of a deep-rooted crop and soil amended with charcoal on spatial and temporal runoff patterns in a degrading tropical highland watershed.Hydrology and Earth System Sciences 20: 875-885.
Belayneh M, Yirgu T, Tsegaye D. 2019. Potential soil erosion estimation and area prioritization for better conservation planning in Gumara watershed using RUSLE and GIS techniques’. Environmental Systems Research 8(1): 1-17.
Bewket W, Conway D. 2007. A note on the temporal and spatial variability of rainfall in the drought‐prone Amhara region of Ethiopia. International Journal of Climatology : A Journal of the Royal Meteorological Society 27(11): 1467-1477.
Easton ZM, Fuka DR, White ED, Collick AS, Biruk AB. McCartney M, Awulachew SB, Ahmed AA, Steenhuis TS. 2010. A multi basin SWAT model analysis of runoff and sedimentation in the Blue Nile, Ethiopia.Hydrology and Earth System Sciences Discussions 7: 3837–3878
Fazzini M, Bisci C, Billi P. 2015. The climate of Ethiopia. In: Billi P (ed) Landscapes and Landforms of Ethiopia. World geomorphologic landscapes. Springer, Dordrecht
Guzman CD, Tilahun SA, Dagnew DC, Zegeye AD, Yitaferu B, Kay RW, Steenhuis TS. 2017b. Developing Soil Conservation Strategies with Technical and Community Knowledge In A Degrading Sub-Humid Mountainous Landscape. Land Degradation & Development . DOI: 10.1002/ldr.2733.
Halefom A, Teshome A, Sisay E. 2019. Impacts of land use/land cover detection on climate variability of Gumara Watershed, Ethiopia. International Journal of Water 13(2): 101-121.
Haile M, Herweg K, Stillhardt B. 2006a. Sustainable land management–a new approach to soil and water conservation in Ethiopia. Land Resources Management and Environmental Protection Department Mekelle University, Ethiopia, and Center for Development and Environment (CDE), University of Bern and Swiss National Center of Competence in Research (NCCR) North-South, Bern, Switzerland.
Israel MA, Amikuzuno J, Danso-Abbeam G. 2020. Assessing farmers’ contribution to greenhouse gas emission and the impact of adopting climate-smart agriculture on mitigation. Ecological Processes 9(1): 1-10.
Johnson N, Ravnborg HM, Westermann O, Probst K. 2002. User participation in watershed management and research. Water policy  3(6): 507-520.
Lakew D. 2005. Community-based Participatory Watershed Development: A Guideline. Addis Ababa, Ethiopia. Ecological Processess
Lieskovský J, Kenderessy P. 2014. Modelling the effect of vegetation cover and different tillage practices on soil erosion in vineyards: a case study in Vráble (Slovakia) using WATEM/SEDEM. Land degradation & Development 25(3): 288-296. DOI:10.1002/idr.2162.
Lubell M, Fulton A. 2008. Local policy networks and agricultural watershed management. Journal of Public Administration Research and Theory  18(4): 673-696.
Mengistu A, Tilahun A, Peters KJ. 2013. Collective management on communal grazing lands Its impact on vegetation attributes and soil erosion in the upper Blue Nile basin North Western Ethiopia. PhD dissertation, Humbolt University of Berlin.
Mhiret DA, Dagnew DC, Guzman CD, Alemie TC, Zegeye AD, Tebebu TY, Langendoen EJ, Zaitchik BF, Steenhuis TS. 2020. A nine-year study on the benefits and risks of soil and water conservation practices in the humid highlands of Ethiopia: The Debre-Mawi watershed. Journal of Environmental Management  270: 110885.
Mullen MW, Allison BE. 1999. Stakeholder involvement and social capital: keys to watershed management success in Alabama 1. Journal of the American Water Resources Association 35(3): 655-662.
Nyssen J, Clymans W, Poesen J, Vandecasteele I, De Baets S, Haregeweyn N, Naudts J, Hadera A, Moeyersons J, Haile M, Deckers J. 2009. How soil conservation affects the catchment sediment budget a comprehensive study in the north Ethiopian highlands. Earth Surface Processes and Landforms 34: 1216-1233. DOI: 10.1002/esp.1805.
Pimentel D, Harvey C, Resosudarmo P, Sinclair K, Kurz D, McNair M, Crist S, Shpritz L, Fitton L, Saffouri R, Blair R. 1995. Environmental and economic costs of soil erosion and conservation benefits. Science  267(5201): 1117-1123.
Pittroff W. 2011. Rangeland management and conservation in Afghanistan. International Journal of Environmental Studies.
Reij C, Scoones I, Toulmin C. 1996. Sustaining the Soil. Indigenous Soil and Water Conservation in Africa. In: Drylands program, Earth scan Publications.
Setegn SG, Srinivasan R, Dargahi B. 2008. Hydrological modelling in the Lake Tana Basin, Ethiopia using SWAT model. The Open Hydrology Journal  2(1).
Terefe H, Argaw M, Tamene L, Mekonnen K, Recha J, Solomon D. 2020. Effects of sustainable land management interventions on selected soil properties in Geda watershed, central highlands of Ethiopia. Ecological Processes  9(1), 1-11.
Wani SP. 2008. Community Watershed as a Growth Engine for Development of Dryland Areas. A Comprehensive Assessment of Watershed Programs in India.
Wubie MA, Assen M. 2020. Effects of land cover changes and slope gradient on soil quality in the Gumara watershed, Lake Tana basin of North–West Ethiopia. Modeling Earth Systems and Environment  6(1): 85-97.
Yeraswork A. 2000. Twenty years to nowhere: property rights, land management and conservation in Ethiopia. Red Sea Pr.
Zimale FA, Moges MA, Alemu ML, Ayana EK, Demissie SS, Tilahun SA, Steenhuis TS. 2018. Budgeting suspended sediment fluxes in tropical monsoonal watersheds with limited data: The Lake Tana basin. Journal of hydrology & Hydromechanics 66(1): 65-78.
Zimale FA, Tilahun SA, Tebebu TY, Guzman CD, Hoang L, Schneiderman EM, Langendoen EJ, Steenhuis TS. 2017. Improving watershed management practices in humid regions. Hydrological processes 31(18): 3294-3301.
Table 1: Area covered by each land-use type in the four watersheds