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Open AccessArticle

Land-Use Change Modelling in the Upper Blue Nile Basin

UNESCO-IHE Institute of Water Education, 2611 AX Delft, The Netherlands
International Water Management Institute-IWMI, Accra PMB CT 112, Ghana
Vrije Universiteit Brussel, Department of Hydrology and Hydraulic Engineering, Elsene 1050, Belgium
Addis Ababa University, Center for Environmental and Developmental Studies, Addis Ababa, Ethiopia
Department of Computational Landscape Ecology, Helmholtz Centre for Environmental Research—UFZ, Permoserstr.15, Leipzig D-04318, Germany
Section Environmental Information Systems and Services, German Environment Agency, Wörlitzer Platz 1, Dessau-Roßlau 06844, Germany
Water Resources Section, TU Delft, BX Delft 2628, The Netherlands
Author to whom correspondence should be addressed.
Academic Editor: Teiji Watanabe
Environments 2016, 3(3), 21;
Received: 29 April 2016 / Revised: 3 August 2016 / Accepted: 9 August 2016 / Published: 17 August 2016
(This article belongs to the Special Issue Land Use Change in the Changing Environment)
Land-use and land-cover changes are driving unprecedented changes in ecosystems and environmental processes at different scales. This study was aimed at identifying the potential land-use drivers in the Jedeb catchment of the Abbay basin by combining statistical analysis, field investigation and remote sensing. To do so, a land-use change model was calibrated and evaluated using the SITE (SImulation of Terrestrial Environment) modelling framework. SITE is cellular automata based multi-criteria decision analysis framework for simulating land-use conversion based on socio-economic and environmental factors. Past land-use trajectories (1986–2009) were evaluated using a reference Landsat-derived map (agreement of 84%). Results show that major land-use change drivers in the study area were population, slope, livestock and distances from various infrastructures (roads, markets and water). It was also found that farmers seem to increasingly prefer plantations of trees such as Eucalyptus by replacing croplands perhaps mainly due to declining crop yield, soil fertility and climate variability. Potential future trajectory of land-use change was also predicted under a business-as-usual scenario (2009–2025). Results show that agricultural land will continue to expand from 69.5% in 2009 to 77.5% in 2025 in the catchment albeit at a declining rate when compared with the period from 1986 to 2009. Plantation forest will also increase at a much higher rate, mainly at the expense of natural vegetation, agricultural land and grasslands. This study provides critical information to land-use planners and policy makers for a more effective and proactive management in this highland catchment. View Full-Text
Keywords: land-use; land cover; Blue Nile; parameterization land-use; land cover; Blue Nile; parameterization
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MDPI and ACS Style

Yalew, S.G.; Mul, M.L.; Van Griensven, A.; Teferi, E.; Priess, J.; Schweitzer, C.; Van Der Zaag, P. Land-Use Change Modelling in the Upper Blue Nile Basin. Environments 2016, 3, 21.

AMA Style

Yalew SG, Mul ML, Van Griensven A, Teferi E, Priess J, Schweitzer C, Van Der Zaag P. Land-Use Change Modelling in the Upper Blue Nile Basin. Environments. 2016; 3(3):21.

Chicago/Turabian Style

Yalew, Seleshi G.; Mul, Marloes L.; Van Griensven, Ann; Teferi, Ermias; Priess, Joerg; Schweitzer, Christian; Van Der Zaag, Pieter. 2016. "Land-Use Change Modelling in the Upper Blue Nile Basin" Environments 3, no. 3: 21.

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