GIS-Based Model to Assess Erosion Sensitivity in Northern Morocco. Laou Watershed Case Study

Raissouni, Ahmed; Issa, Lamiae Khali; Arrim, Abdelkrim El; Maatouk, Mohamed Mahmoud H.; Passalacqua, R.

doi:10.4236/ijg.2012.33061

Cited by 16 publications

(7 citation statements)

References 26 publications

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“…Such soil loss rates were observed in land areas with comparatively high slope gradients and in areas where the original forest cover has been transformed to arable land and degraded bush land. A report by Raissouni et al (2012) for Northern Morocco, agrees with this finding, indicating a greater soil loss risk is observed in land area with higher gradient and damaged terrain. During the field work, we noted that only a small portion of the study area (Burara-Medo-Abaro-Wijigira mountain chain and adjacent lands) had highly degraded forest/shrub land compromising the stability of the natural environment.…”

Section: Resultssupporting

confidence: 80%

“…Many other researchers use Revised/ Universal Soil Loss Equation (RUSLE/USLE) (Zhao et al (2013); Gaatib and Larabi (2014)). This USLE method is preferred to others as it is commonly applied with reliable accuracy at watershed scales when detailed input data are less available (Kheir et al (2008); (Raissouni et al (2012)). The RUSLE has capacity to estimate soil erosion by incorporating the environment, having complex and varying gradients (Tongqian et al 2009).…”

Section: Introductionmentioning

confidence: 99%

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Soil erosion risk assessment in the Chaleleka wetland watershed, Central Rift Valley of Ethiopia

et al. 2015

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Background: Increased flooding and newly formed rills and gullies were observed in the Cheleleka wetland watershed, over the past three to five years. These events are due to problems related to land use changes and are adversely affecting land productivity. This study was conducted to quantify, analyze and map soil erosion risk areas using the Revised Universal Soil Loss Equation.Results: Only 13.6 percent of the study area has a soil loss value less than 10 ton per hectare per year with the remaining area experiencing a higher soil loss value. A large area, 53.6 percent of the watershed, is under severe to extremely severe soil loss (>45 ton per hectare per year). Another 17.3 percent of the study area has annual soil loss of 20-45 ton per hectare.

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Section: Resultssupporting

confidence: 80%

Section: Introductionmentioning

confidence: 99%

Soil erosion risk assessment in the Chaleleka wetland watershed, Central Rift Valley of Ethiopia

et al. 2015

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“…This uncontrolled practice engenders damages in the silvopastoral area [60]. Forest degradation intensifies soil erosion, inducing intense regression of woodlands and restraining regeneration of vegetation [68,69]. In addition, population growth causes an increased demand for land and resources, which explains the huge pressure on available natural resources, mainly forest and silvopastoral areas [30,70,71].…”

Section: Silvopastoral Area Changes and Its Driversmentioning

confidence: 99%

Silvopastoral System in Morocco: Focus on Their Importance, Strategic Functions, and Recent Changes in the Mediterranean Side

Otmani¹,

Elame²,

Moula

et al. 2021

Sustainability

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In the Mediterranean basin, the silvopastoral system has always been part of the regional economy. Silvopastoral areas contribute significantly to the development of the ecological and socio-economic factors of territorial sustainability. However, little attention has been paid to reviewing the importance, historical evolution, socio-economic conditions, and climate change impact of the southern Mediterranean region of northern Morocco. This review casts light on research on the silvopastoral systems in Morocco with a focus on the Mediterranean side. Sixty-nine peer-reviewed publications were selected for this systematic review. The findings revealed that silvopastoral areas play a very important role in animal feeding in Morocco. Animals are managed traditionally on these woodlands where they graze throughout the year. The silvopastoral system has undergone several changes over recent decades. These changes have had a direct impact on ecosystems, causing a decline in biodiversity, forest degradation, and an increase in land use at the expense of silvopastoral areas, mainly in the Mediterranean region of northern Morocco. Consequently, the sustainability of the silvopastoral systems would undoubtedly be negatively affected. The review finishes with some crucial strategies and propositions that could be encouraged to support sustainable management actions of silvopastoral resources. In the conclusion, we outline the need to assess the realistic socio-economic and ecological benefits of silvopastoral systems to promote their sustainable development.

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“…Due to the geographical and geological settings, agriculture suffers from several circumstances. In Morocco soils are eroded to rates that extremely exceed international standards as well as the rate of pedogenesis under the Mediterranean climate (Raissouni, A. et al 2012). Therefore, natural vegetation only appears in traces as shrub after a significant degradation.…”

Section: Geological Settingmentioning

confidence: 99%

Geomorphological hazards in a Mediterranean mountain environment - Example of Tétouan, Morocco

et al. 2016

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The aim of this paper is to present the geomorphological hazards affecting the city of Tétouan, Morocco. The city is one of the most important urban centres in northern Morocco. Its geographical situation is strongly determined by the fact that in the last centuries it was built on the slopes of two ranges of the Rif Mountains, the Dersa to the North and the Ghorghiz to the South. These slopes relatively abruptly rise above the valley of the river Martil. Leaving the city, the river of only 22 km length flows into the Mediterranean Sea across the relatively wide Martil Plain. Given the geographical and geological setting of this area, heavy precipitation causes several problems during the humid period (November-April). Torrential rainfalls can have devastating effects on the community. Another severe problem lies in the hazard perception by the inhabitants, who lack the necessary information on geomorphic hazards and, as a consequence, keep on building their homes on unstable hillslopes. The working group in which authors participated had the objective to prepare a comprehensive documentation to inform the population on hazards, to make people aware of the vulnerability of the environment they live in.

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GIS-Based Model to Assess Erosion Sensitivity in Northern Morocco. Laou Watershed Case Study

Cited by 16 publications

References 26 publications

Soil erosion risk assessment in the Chaleleka wetland watershed, Central Rift Valley of Ethiopia

Soil erosion risk assessment in the Chaleleka wetland watershed, Central Rift Valley of Ethiopia

Silvopastoral System in Morocco: Focus on Their Importance, Strategic Functions, and Recent Changes in the Mediterranean Side

Geomorphological hazards in a Mediterranean mountain environment - Example of Tétouan, Morocco

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