期刊
GEOCARTO INTERNATIONAL
卷 37, 期 25, 页码 10767-10797出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/10106049.2022.2040600
关键词
Watershed; Mediterranean; erosion; land degradation; LDN
类别
资金
- National Council for Scientific Research-Lebanon (CNRS-L)
- Agence Universitaire de la Francophonie (AUF), Beirut, Lebanon
- Lebanese University
This study integrates land cover suitability, soil erosion, and sediment transport as complementary indicators within the Land Degradation Neutrality (LDN) framework. Using the Lebanese Nahr Ibrahim basin as a case study, the study demonstrates the effectiveness of LDN in improving land cover suitability and reducing soil erosion and sediment transport risks.
Given the absence of soil loss indicators within the Land Degradation Neutrality (LDN) framework, this study integrates land cover suitability, soil erosion and sediment transport as complementary Mediterranean-tailored indicators. The 309 km(2) Lebanese Nahr Ibrahim basin was chosen for this purpose. Land cover suitability was determined by combining land capability-land cover maps, while soil erosion and sediment transport were assessed using the CORINE and SWAT models, respectively. Under current conditions, the following was found: a 34.84% land cover suitability; 4% low, 39.55% moderate and 56.45% high soil erosion risks zones, and 2.85% low, 26% moderate and 68.15% high sediment yields zones. Through the LDN response strategy based land use plan, land cover suitability increased by 26.54%, while soil erosion risks changed by: +3.1% low, +10.85% moderate and -18% high risk zones. For sediment transport, changes were: 0% low, +10.85% moderate and -18% high risk zones, hence the multi-effectiveness of LDN.
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