Prospective evaluation of the impact of land use change on ecosystem services in the Ourika watershed,Morocco |
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| Institution: | 1. Mohammed V University of Rabat, Faculty of Science, Avenue Ibn Battouta B. P. 1014 RP, Rabat, Morocco;2. National School of Forest Engineers, B. P. 511, Tabriquet, Salé, Morocco;3. Scientific Institute Geophysics and Natural Risks Laboratory, Mohammed V University of Rabat, Morocco;1. National Institute of Agricultural Research, 78 Bd. Mohamed Ben Abdelah, Tangier, Morocco;2. Department of Animal Production, University of Liège, Avenue de Cureghem 6, B43, Liège, Belgium;3. UR Spheres, The Hugo Observatory, University of Liège, Avenue de Longwy 185, B-6700, Arlon, Belgium;1. Department of Geography, Ibn Tofail University, Kenitra, Morocco;2. Agricultural Subdivision of Zagora, Regional Agricultural Development Office, Ouarzazate, Morocco;3. Department of Geology, Cadi Ayyad University, Marrakech, Morocco;4. Department of Geography and the Environment, Syracuse University, NY, United States;5. Bioactives, Health & Environment Laboratory, Epigenetics team, Faculty of Science and Techniques (Errachidia), Moulay Ismail University, and Southern Center for Culture and Science, Morocco;1. UNESCO Chair on Sustainability, Polytechnic University of Catalonia (UPC), C/Colom 1, Terrassa 08222, Spain;2. Facultad de Ciencias, Universidad Nacional Autónoma de México (UNAM), Ciudad Universitaria, Coyoacán 04510, Mexico;3. Institute for Ethics and Transdisciplinary Sustainability Research, Leuphana University of Lüneburg, Scharnhorststraße 1, 21335 Lüneburg, Germany;4. Laboratorio Nacional de Ciencias de la Sostenibilidad (LANCIS), Instituto de Ecología, Universidad Nacional Autónoma de México (UNAM), Circuito Exterior, Ciudad Universitaria, Coyoacán 04510, Mexico;5. Pyrenean Institute of Ecology (IPE-CSIC), Avda. Montañana 1005, 50059 Zaragoza, Spain;1. Center for Environment and Development, College of Development Studies, Addis Ababa University, Ethiopia;2. Department of Natural Resource Management, College of Agriculture and Veterinary Science, Ambo University, Ethiopia;1. Center for Environmental Science, College of Natural and Computational Sciences, Addis Ababa University, Ethiopia;2. Blackland Research and Extension Center, Texas A&M Agrilife Research, TX, USA;3. Department of Disaster, Risk Management and Sustainable Development, Institute of Cooperatives and Development Studies, Ambo University, Ethiopia;4. Institute of Forest Management, Department of Ecology and Ecosystem Management, TUM School of Life Sciences Weihenstephan, Technische Universität München, Germany;5. Department of Natural Resource Management, College of Agriculture and Environmental Science, Adigrat University, Ethiopia |
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| Abstract: | Land use change at the local stage affects the flow of ecosystem services at all levels. Analyzing the causes of land use change such as anthropogenic activities in the case of the Ourika watershed will facilitate sustainable policies. A decision-making tool, InVEST (Integrated Valuation of Ecosystem Services and Trade Offs) was used to quantify three ecosystem services and to generate three spatially explicit land use scenarios (trend, development and conservation) with expert stakeholders and the local population. The results indicate that forest expansion under the conservation scenario increased carbon sequestration and sediment retention by 34.29 % and 7.17 % but decreased water yield by 0.75 %. Comparably, a combination of forest and cropland expansion under the trend scenario generated a moderate increase by 8.4 % and 0.98 % but a negligible decrease of 0.09 %. A decline in the forests under the development scenario caused an improvement in the water yield by 0.12 % but a decrease in carbon sequestration and sediment retention by 6.06 % and 0.88 % respectively. A combination of forests and croplands through agroforestry systems enhances the provision of all the three ecosystem services. Community-based ecosystem and land management is the best way to improve ecosystem services at the local level. |
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| Keywords: | Land use change Ecosystem services InVEST Scenarios Stakeholders |
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