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University of Khartoum (2006)

Adoption of Water Micro-catchments for Rehabilitation of Vegetation Cover Acase of El Ain Reserved Forest North Kordofan State, Sudan

Hassan, Isam

Titre : Adoption of Water Micro-catchments for Rehabilitation of Vegetation Cover Acase of El Ain Reserved Forest North Kordofan State, Sudan

Auteur : Hassan, Isam

Université de soutenance : University of Khartoum

Grade : Master of Science (MS) 2006

Résumé partiel
Rainfall represents the main source of water in North Kordofan State and it is generally insufficient to meet basic needs for growth of trees and crop production. Rains are poorly distributed over the growing season and not enough to support economically viable farming. Local inhabitants have learned to cope with unreliable rainfall through different practices among which, water harvesting. SOSsahel Project managed to enrich vegetation cover in El Ain Reserved Forest through water harvesting techniques and encourage the local people to adopt the intervention for agricultural crop production and tree planting at their farms. The model used is small V-shaped and built bunds which direct the rainfall and runoff from a catchment area down slope in to a small basin at the lowest point in the structure. The initial results showed satisfactory results where the agricultural productivity increased dramatically and the stocking density of trees improved significantly. After the phase-out of SOSsahel project, the local people ceased the activity of water harvesting for different reasons. Accordingly, agricultural productivity started to decline and there is mass dying of trees. The broad objective of this study is to explore the potentiality of the water harvesting techniques in restoring vegetation cover in the study area on a sustainable manner. Two types of data were collected, namely ; primary and secondary data. The primary data was collected through household survey, self-administered questionnaire and observations. The main findings of the research are ; adoption of water harvesting technique is the most vital mean that can contribute to the resilience of local communities under unpredictable rainfall and desert encroachment. The intervention resulted in a significant increase in the agricultural productivity and enrichment of the vegetation cover. Participation of local communities in the activity was genuine, irrespective of gender, due to the incentives and subsidies provided by the project. In the study area some tree species failed to develop successfully under the water micro-catchments while some other species showed satisfactorily development.

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