Assessment of water resources for livestock in the Wilaya of Naama, Southwest Algeria: a GIS-based approach.
Environmental monitoring and assessment(2023)
摘要
This study employs Geographic Information Systems (GIS) tools and spatial data to evaluate water resource availability for livestock watering in Algeria's southwestern Wilaya of Naama. The research adopts a two-stage approach, starting with the creation of seven thematic maps encompassing livestock water needs, proximity to water sources, water quantities from boreholes, hillside reservoirs, wells, and springs, precipitation, and land use/land cover (LULC). Subsequently, an Analytic Hierarchy Process (AHP) is utilized to identify suitable areas within the Wilaya for livestock watering. Beyond its primary objective of establishing a benchmark for water resources to facilitate optimal and sustainable livestock management, this study also aims to assess suitable sites for livestock and provide a comprehensive evaluation of water resources for grazing. The findings reveal that the majority of the area is unsuitable for grazing due to limited water resources, with approximately 2.43% being "highly suitable" (S1), 13.42% "moderately suitable" (S2), and the remaining 84.15% categorized as "marginally suitable" (S3), "temporarily unsuitable" (N1), or "permanently unsuitable" (N2). These results underscore the significance of GIS and spatial analysis in natural resource management and emphasize the need for further research to refine the methodology. The data generated in this study will be invaluable to researchers and water stakeholders for informed decision-making in this sensitive zone.
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关键词
Arid area,Livestock watering,GIS,Spatial analysis,Water demand
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