Mourad ARABI | Université De Khemis Miliana Ude Km Algéria (original) (raw)

Papers by Mourad ARABI

Research paper thumbnail of Chapitre 47. Lutte antiérosive et intensification de l’agriculture en milieu steppique (Boughezoul, Algérie)

IRD Éditions eBooks, Nov 20, 2018

Cette étude présente les effets bénéfiques d’un système de production amélioré dans trois parcell... more Cette étude présente les effets bénéfiques d’un système de production amélioré dans trois parcelles expérimentales de 460 m2 sur siérozem de piémont de 10 % de pente, fragile et pauvre en matière organique, installées sur les hauteurs du bassin versant du Chélif en milieu semi-aride algérois. Les résultats obtenus de 2000 à 2004 puis actualisés en 2011 mettent en évidence l’efficacité remarquable des pratiques culturales biologiques et des cordons de pierres sur la réduction du ruissellement et de l’érosion. Le versant évolue en terrassettes derrière les cordons empierrés. Le ruissellement et les apports en matières organiques modifient positivement l’état de surface du sol, assurent la rétention hydrique et permettent un bon enracinement, ainsi que l’augmentation des rendements et des revenus.This study presents the beneficial effects of production system improved in three experimental plots of 460m2 on piedmont sierozem, poor in organic matter, very fragile, unstable of 10 % slope installed on the high plains in the Chelif River basin, in semi-arid Algiers. The results obtained from 2000 to 2004 and updated in 2011 show a remarkable efficiency of a few soil and water conservation techniques easily implemented by peasants: (i) cultural biological practices and (ii) stone bunds reducing runoff and erosion. The slope changes in small terraces behind the stone bunds. Runoff and organic matter input positively alter the surface of the soil, providing water retention and allowing good rooting and consequently better yield and net income

Research paper thumbnail of Assessment of Physico-Chemical Quality of Groundwater by Multivariate Analysis in some Populated Villages nearby Sagar City, MP, India

Journal of Environmental & Analytical Toxicology, 2012

Physico-chemical Analysis All the chemicals used were of AR grade. Analysis was carried out for v... more Physico-chemical Analysis All the chemicals used were of AR grade. Analysis was carried out for various water quality parameters which were measured by using Standard APHA methods. Banda and Karrapur village area nearby Sagar city was chosen as study area. 15 locations of 2 villages were selected based on domestic, agricultural and industrial activities. Water samples were collected from 15 stations by using standard methods (APHA). Various water samples were collected in clean and dry polyethylene bottles from bore wells after running them for 5 minutes. All the collection of samples are immediately preserved in dark boxes and processed for the different analysis within 6 hours after collection. All water samples were collected in sterile bottles (5 liter). In order to quantitatively analyse and confirm the relationship among major and trace element contents in groundwater samples, Pearson's correlation analysis was applied to the data. Correlations among various metal contents, major elements, EC and pH in groundwater samples are calculated. Significant positive correlations among various elements in groundwater samples are evident. Na, Cl, K and Mg are significantly correlated (0.69<r<0.96). The strong correlation between Na and Cl (r= 0.96), indicate a common chemical behavior. Ca and Mg are not significantly correlated (0.08) indicating that Ca and Mg are not probably related to dissolution of low magnesium carbonate, or dolomite deposits. Major elements such as Na, Cl, K, and Mg display significant correlation with EC (0.640.95). This reflects the fact that EC of groundwater is strongly controlled by Cl and Na content. Interpretation of PCA results Before applying the above finding, its scientific reliability must be validated using other independent methods. One way to achieve this goal is to compare the water quality data with and without the 4

Research paper thumbnail of Evaluation of Computational Techniques for Parameter Estimation and Uncertainty Analysis of Comprehensive Watershed Models

Research paper thumbnail of Assessment of climate change impacts on diffuse nutrient and pesticide fluxes at the watershed scale

Research paper thumbnail of A novel probabilistic approach to characterization of water quality vulnerability along Urban Gradients

AGU Fall Meeting Abstracts, Dec 1, 2018

Research paper thumbnail of Changes in Hydroclimatic Characteristics of River Basins in the U.S over the 21 st Century

AGU Fall Meeting Abstracts, Dec 1, 2019

Research paper thumbnail of Predicting the Effects of Man-Made Fishing Canals on Floodplain Inundation – A Modelling Study

Research paper thumbnail of Hydroclimatic and landscape controls on phosphorus loads to hypereutrophic Upper Klamath Lake, Oregon, United States

Research paper thumbnail of Chapitre 33. La lutte antiérosive, la GCES et la restauration de la productivité de sols dans les montagnes du nord de l’Algérie

IRD Éditions eBooks, Nov 20, 2018

Face aux graves problèmes d’érosion observés dans les montagnes des zones méditerranéennes du nor... more Face aux graves problèmes d’érosion observés dans les montagnes des zones méditerranéennes du nord de l’Algérie, de gros moyens ont été développés dès 1925 pour terrasser les versants fragiles, reforester les têtes de vallée et restaurer les ravines et les oueds (DRS). Devant le manque d’efficacité de cette stratégie, une nouvelle approche (la GCES) a été proposée et testée sur 50 parcelles, une dizaine de ravines situées dans trois wilayas pour évaluer les risques d’érosion, de ruissellement et le potentiel de restauration de la productivité des principaux sols et systèmes de production. Globalement, les résultats d’une dizaine d’années de recherche montrent que l’érosion en nappe reste modérée, car les sols sont peu érodibles (argileux, saturés en calcium et caillouteux), les pluies généralement peu agressives mais parfois saturantes, ce qui provoque du ravinement et des inondations. Sur des pentes de 10 à 45 %, l’érosion est plus décapante (érosion en rigole et aratoire) qu’appauvrissante en particules fines. L’intensification des systèmes de production (travail du sol réduit, l’adaptation raisonnée de la fumure, la protection du sol par une litière ou par des résidus de culture) a permis de réduire les risques de ruissellement et d’érosion, même lors des averses les plus importantes. En outre, ils ont augmenté remarquablement la production des récoltes (grains et fruits) et de biomasse (herbe et pailles), ce qui entraîne une forte amélioration des revenus nets des fermiers et des propriétés du sol liées à l’apport de matières organiques (séquestration du carbone). Il s’avère que la réhabilitation de la couverture végétale est plus rapide que la restauration des principales propriétés des sols : c’est tout le système de production qu’il faut repenser à l’échelle du versant et du terroir.Facing great erosion problems in the Mediterranean mountains of northern Algeria, heavy equipments were used since 1925 in order to grade terracing the hill slopes, regreening the upper valleys and restoring the gullies and wadies: this approach was called “defense & soil restoration” (DRS). Because of the inefficiency of this top-down approach, a new approach was experimented on 50 runoff plots, a dozen of gullies located in three wilayas in order to evaluate the erosion risks and the possibility to restore the productivity of the main soils and production systems in northern Algeria. Globally the ten-year data obtained by the research show that sheet erosion is moderate because soils have low erodibility (high rate of clay, saturated in calcium, and stony), the rains are not very aggressive but sometimes so abundant that they cause gullies and inundations. On 10 to 45 % slopes tested, erosion is more scouring (tillage erosion, rills & gullies) than fine particles eroded selectively. Intensification of farming systems (reduced tillage, rational fertilizing, soil surface protection by a litter of crop residues) allowed the erosion risk reduction, even during the main storms. More interesting for farmers, these systems increased the yield of grains & biomass, producing a large improvement of the net income, but also the soil qualities related to organic matters (carbon sequestration). It appeared that the vegetation cover is easier to restore than the soil qualities. All the farming system must be thought again

Research paper thumbnail of Calibration of a Physically-Based Semi-Distributed Hydrologic Model: The Importance of Internal Justification

2014 AGU Fall Meeting, Dec 16, 2014

Research paper thumbnail of Influence of Land Use, Soils, and Cultural Practices on Erosion, Eroded Carbon, and Soil Carbon Stocks at the Plot Scale in the Mediterranean Mountains of Northern Algeria

CRC Press eBooks, Dec 9, 2005

Research paper thumbnail of Quantifying Water Availability in the South Platte River Basin Using SWAT-MODFLOW

Research paper thumbnail of Anti-erosion measures in experimental research catchments in semi-arid regions of Algeria

Zeitschrift für Geomorphologie, 2006

Research paper thumbnail of Degré d’impact des aménagements hydrauliques sur le ruissellement et le transport solide dans une région semi aride : cas des micro-bassins dans le haut Isser, Algérie

L’érosion est un ensemble de processus variables dans le temps et dans l'espace. La variation... more L’érosion est un ensemble de processus variables dans le temps et dans l'espace. La variation se fait en fonction des conditions écologiques et des mauvaises conditions de gestion de la terre par l'homme. C’est pourquoi la lutte antiérosive intéresse divers acteurs dont les intérêts ne sont pas forcément compatibles. Ses effets sont conséquents sur les ressources en eau par la réduction de la capacité de stockage des barrages et la mauvaise qualité de l’eau, d’une part, et sur le sol par la perte de sa fertilité, d’autre part. En Algérie septentrionale, ce phénomène est crucial. De nombreux chercheurs se sont penchés pour traiter ce problème ; que ce soit dans l’aspect de quantification que dans celui de la lutte anti-érosive. Nous avons tenté d’approcher le phénomène dans ces deux aspects, en prenant comme zone d’étude les micro-bassins 'expérimentaux de Beni Slimane, dans le bassin versant de lOued Isser. L’intensité de l’érosion hydrique sur ce bassin versant s’expliq...

Research paper thumbnail of Aménagements antiérosifs susceptibles de réduire l'intensité des crues dans le bassin versant de Ghardaïa en Algérie

Annales de la Recherche Forestière en Algérie, Sep 21, 2021

Research paper thumbnail of Le risque inondation dans le bassin versant de l’Oued Korrich et les limites territoriales. Le cas des inondations de Bab El Oued, Alger

Annales de la Recherche Forestière en Algérie, Sep 21, 2021

Research paper thumbnail of Nicotinic infertility: assessing DNA and plasma membrane integrity of human spermatozoa

Andrologia, 2004

Infertility remains a major problem in society, with recent data suggesting its presence in one o... more Infertility remains a major problem in society, with recent data suggesting its presence in one of four couples. The objective of the present study was to evaluate the impact of nicotine (0.25, 0.5 and 0.75 mm), as a major component of cigarette smoke, in vitro, on sperm membrane [by spermatocrit and lipoperoxidation (LPO) tests], DNA integrity (by Comet assay), and viability of spermatozoa (by eosin staining) from normozoospermic men. Sperm samples were washed and diluted with phosphate-buffered saline. A drop in spermatocrit values and an increase in thiobarbituric acid-reactive substances/ LPO rate was observed with the addition of nicotine, predominantly at a concentration of 0.75 mm, indicating a deleterious effect of nicotine on sperm membrane intactness. There was also a strong negative correlation between LPO rate and percentage viable sperm cell (r ¼)0.990). Data obtained from Comet assay technique revealed that nicotine could induce double-stranded DNA breaks (11% in 0.75 mm concentration) in the sperm nuclei. The value of r between LPO rate and percentage Comets was found to be +0.976. Taken together, nicotine proved to be a potential oxidant agent in the category of environmental factors to the integrity of sperm plasma membrane and DNA.

Research paper thumbnail of Review on Partial Root-zone Drying irrigation: Impact on crop yield, soil and water pollution

Agricultural Water Management

Research paper thumbnail of Gestion conservatoire de l'eau et de la fertilité des sols en montagne semi aride algérienne

Depuis 1950, des pressions démographiques et socio-économiques ont contribué àdévelopper une sévè... more Depuis 1950, des pressions démographiques et socio-économiques ont contribué àdévelopper une sévère dégradation des sols, de la couverture végétale et des rivières dans lazone septentrionalede l’Algérie. Les processus en cause sont variés. Dégradation suite au surpâturage, au défrichement et à la minéralisation accélérée des matiéres organiques. Erosion en nappe sélective (O. 1 ,à 20 t/ha/an) et décapage des horizons humifères par rigoles et surtout par érosion mécanique sèche durant le travail du sol (10 à 50 t/ha/an), ravinement (100 à 300 t/ha/an) et glissement des terrains marneux, déstabilisation des berges et des versants.

Research paper thumbnail of Impact of mine waste on the quality of surrounding agricultural soils in Toussit and Sidi Boubker, Morocco: a case study

E3S Web of Conferences

The Oriental region, in Morocco, is surrounded by the Algerian border to the East, the Atlas to t... more The Oriental region, in Morocco, is surrounded by the Algerian border to the East, the Atlas to the West, the Mediterranean to the North and the desert to the south. This region has benefited from the intense mining activity that has played an important role in the national economy. The intensification of mining activity in the Touissit and Sidi-Boubker mines has left behind the closure of tons of waste in the shelter without a plan of conservation. These mine waste storage sites still contain very high levels of metallic elements such as Iron (Fe), which, after a decade of shutdowns, are likely to pollute vulnerable receiving environments, posing a threat to wildlife ecosystems, flora, and to public health. The objective of this study was to assess Fe concentrations at several locations around these mine waste heaps. The results of physicochemical analyses of soils collected over two different periods (wet and dry seasons) showed maximum Fe element concentrations of 10596 mg/kg, wi...

Research paper thumbnail of Chapitre 47. Lutte antiérosive et intensification de l’agriculture en milieu steppique (Boughezoul, Algérie)

IRD Éditions eBooks, Nov 20, 2018

Cette étude présente les effets bénéfiques d’un système de production amélioré dans trois parcell... more Cette étude présente les effets bénéfiques d’un système de production amélioré dans trois parcelles expérimentales de 460 m2 sur siérozem de piémont de 10 % de pente, fragile et pauvre en matière organique, installées sur les hauteurs du bassin versant du Chélif en milieu semi-aride algérois. Les résultats obtenus de 2000 à 2004 puis actualisés en 2011 mettent en évidence l’efficacité remarquable des pratiques culturales biologiques et des cordons de pierres sur la réduction du ruissellement et de l’érosion. Le versant évolue en terrassettes derrière les cordons empierrés. Le ruissellement et les apports en matières organiques modifient positivement l’état de surface du sol, assurent la rétention hydrique et permettent un bon enracinement, ainsi que l’augmentation des rendements et des revenus.This study presents the beneficial effects of production system improved in three experimental plots of 460m2 on piedmont sierozem, poor in organic matter, very fragile, unstable of 10 % slope installed on the high plains in the Chelif River basin, in semi-arid Algiers. The results obtained from 2000 to 2004 and updated in 2011 show a remarkable efficiency of a few soil and water conservation techniques easily implemented by peasants: (i) cultural biological practices and (ii) stone bunds reducing runoff and erosion. The slope changes in small terraces behind the stone bunds. Runoff and organic matter input positively alter the surface of the soil, providing water retention and allowing good rooting and consequently better yield and net income

Research paper thumbnail of Assessment of Physico-Chemical Quality of Groundwater by Multivariate Analysis in some Populated Villages nearby Sagar City, MP, India

Journal of Environmental & Analytical Toxicology, 2012

Physico-chemical Analysis All the chemicals used were of AR grade. Analysis was carried out for v... more Physico-chemical Analysis All the chemicals used were of AR grade. Analysis was carried out for various water quality parameters which were measured by using Standard APHA methods. Banda and Karrapur village area nearby Sagar city was chosen as study area. 15 locations of 2 villages were selected based on domestic, agricultural and industrial activities. Water samples were collected from 15 stations by using standard methods (APHA). Various water samples were collected in clean and dry polyethylene bottles from bore wells after running them for 5 minutes. All the collection of samples are immediately preserved in dark boxes and processed for the different analysis within 6 hours after collection. All water samples were collected in sterile bottles (5 liter). In order to quantitatively analyse and confirm the relationship among major and trace element contents in groundwater samples, Pearson's correlation analysis was applied to the data. Correlations among various metal contents, major elements, EC and pH in groundwater samples are calculated. Significant positive correlations among various elements in groundwater samples are evident. Na, Cl, K and Mg are significantly correlated (0.69<r<0.96). The strong correlation between Na and Cl (r= 0.96), indicate a common chemical behavior. Ca and Mg are not significantly correlated (0.08) indicating that Ca and Mg are not probably related to dissolution of low magnesium carbonate, or dolomite deposits. Major elements such as Na, Cl, K, and Mg display significant correlation with EC (0.640.95). This reflects the fact that EC of groundwater is strongly controlled by Cl and Na content. Interpretation of PCA results Before applying the above finding, its scientific reliability must be validated using other independent methods. One way to achieve this goal is to compare the water quality data with and without the 4

Research paper thumbnail of Evaluation of Computational Techniques for Parameter Estimation and Uncertainty Analysis of Comprehensive Watershed Models

Research paper thumbnail of Assessment of climate change impacts on diffuse nutrient and pesticide fluxes at the watershed scale

Research paper thumbnail of A novel probabilistic approach to characterization of water quality vulnerability along Urban Gradients

AGU Fall Meeting Abstracts, Dec 1, 2018

Research paper thumbnail of Changes in Hydroclimatic Characteristics of River Basins in the U.S over the 21 st Century

AGU Fall Meeting Abstracts, Dec 1, 2019

Research paper thumbnail of Predicting the Effects of Man-Made Fishing Canals on Floodplain Inundation – A Modelling Study

Research paper thumbnail of Hydroclimatic and landscape controls on phosphorus loads to hypereutrophic Upper Klamath Lake, Oregon, United States

Research paper thumbnail of Chapitre 33. La lutte antiérosive, la GCES et la restauration de la productivité de sols dans les montagnes du nord de l’Algérie

IRD Éditions eBooks, Nov 20, 2018

Face aux graves problèmes d’érosion observés dans les montagnes des zones méditerranéennes du nor... more Face aux graves problèmes d’érosion observés dans les montagnes des zones méditerranéennes du nord de l’Algérie, de gros moyens ont été développés dès 1925 pour terrasser les versants fragiles, reforester les têtes de vallée et restaurer les ravines et les oueds (DRS). Devant le manque d’efficacité de cette stratégie, une nouvelle approche (la GCES) a été proposée et testée sur 50 parcelles, une dizaine de ravines situées dans trois wilayas pour évaluer les risques d’érosion, de ruissellement et le potentiel de restauration de la productivité des principaux sols et systèmes de production. Globalement, les résultats d’une dizaine d’années de recherche montrent que l’érosion en nappe reste modérée, car les sols sont peu érodibles (argileux, saturés en calcium et caillouteux), les pluies généralement peu agressives mais parfois saturantes, ce qui provoque du ravinement et des inondations. Sur des pentes de 10 à 45 %, l’érosion est plus décapante (érosion en rigole et aratoire) qu’appauvrissante en particules fines. L’intensification des systèmes de production (travail du sol réduit, l’adaptation raisonnée de la fumure, la protection du sol par une litière ou par des résidus de culture) a permis de réduire les risques de ruissellement et d’érosion, même lors des averses les plus importantes. En outre, ils ont augmenté remarquablement la production des récoltes (grains et fruits) et de biomasse (herbe et pailles), ce qui entraîne une forte amélioration des revenus nets des fermiers et des propriétés du sol liées à l’apport de matières organiques (séquestration du carbone). Il s’avère que la réhabilitation de la couverture végétale est plus rapide que la restauration des principales propriétés des sols : c’est tout le système de production qu’il faut repenser à l’échelle du versant et du terroir.Facing great erosion problems in the Mediterranean mountains of northern Algeria, heavy equipments were used since 1925 in order to grade terracing the hill slopes, regreening the upper valleys and restoring the gullies and wadies: this approach was called “defense & soil restoration” (DRS). Because of the inefficiency of this top-down approach, a new approach was experimented on 50 runoff plots, a dozen of gullies located in three wilayas in order to evaluate the erosion risks and the possibility to restore the productivity of the main soils and production systems in northern Algeria. Globally the ten-year data obtained by the research show that sheet erosion is moderate because soils have low erodibility (high rate of clay, saturated in calcium, and stony), the rains are not very aggressive but sometimes so abundant that they cause gullies and inundations. On 10 to 45 % slopes tested, erosion is more scouring (tillage erosion, rills & gullies) than fine particles eroded selectively. Intensification of farming systems (reduced tillage, rational fertilizing, soil surface protection by a litter of crop residues) allowed the erosion risk reduction, even during the main storms. More interesting for farmers, these systems increased the yield of grains & biomass, producing a large improvement of the net income, but also the soil qualities related to organic matters (carbon sequestration). It appeared that the vegetation cover is easier to restore than the soil qualities. All the farming system must be thought again

Research paper thumbnail of Calibration of a Physically-Based Semi-Distributed Hydrologic Model: The Importance of Internal Justification

2014 AGU Fall Meeting, Dec 16, 2014

Research paper thumbnail of Influence of Land Use, Soils, and Cultural Practices on Erosion, Eroded Carbon, and Soil Carbon Stocks at the Plot Scale in the Mediterranean Mountains of Northern Algeria

CRC Press eBooks, Dec 9, 2005

Research paper thumbnail of Quantifying Water Availability in the South Platte River Basin Using SWAT-MODFLOW

Research paper thumbnail of Anti-erosion measures in experimental research catchments in semi-arid regions of Algeria

Zeitschrift für Geomorphologie, 2006

Research paper thumbnail of Degré d’impact des aménagements hydrauliques sur le ruissellement et le transport solide dans une région semi aride : cas des micro-bassins dans le haut Isser, Algérie

L’érosion est un ensemble de processus variables dans le temps et dans l'espace. La variation... more L’érosion est un ensemble de processus variables dans le temps et dans l'espace. La variation se fait en fonction des conditions écologiques et des mauvaises conditions de gestion de la terre par l'homme. C’est pourquoi la lutte antiérosive intéresse divers acteurs dont les intérêts ne sont pas forcément compatibles. Ses effets sont conséquents sur les ressources en eau par la réduction de la capacité de stockage des barrages et la mauvaise qualité de l’eau, d’une part, et sur le sol par la perte de sa fertilité, d’autre part. En Algérie septentrionale, ce phénomène est crucial. De nombreux chercheurs se sont penchés pour traiter ce problème ; que ce soit dans l’aspect de quantification que dans celui de la lutte anti-érosive. Nous avons tenté d’approcher le phénomène dans ces deux aspects, en prenant comme zone d’étude les micro-bassins 'expérimentaux de Beni Slimane, dans le bassin versant de lOued Isser. L’intensité de l’érosion hydrique sur ce bassin versant s’expliq...

Research paper thumbnail of Aménagements antiérosifs susceptibles de réduire l'intensité des crues dans le bassin versant de Ghardaïa en Algérie

Annales de la Recherche Forestière en Algérie, Sep 21, 2021

Research paper thumbnail of Le risque inondation dans le bassin versant de l’Oued Korrich et les limites territoriales. Le cas des inondations de Bab El Oued, Alger

Annales de la Recherche Forestière en Algérie, Sep 21, 2021

Research paper thumbnail of Nicotinic infertility: assessing DNA and plasma membrane integrity of human spermatozoa

Andrologia, 2004

Infertility remains a major problem in society, with recent data suggesting its presence in one o... more Infertility remains a major problem in society, with recent data suggesting its presence in one of four couples. The objective of the present study was to evaluate the impact of nicotine (0.25, 0.5 and 0.75 mm), as a major component of cigarette smoke, in vitro, on sperm membrane [by spermatocrit and lipoperoxidation (LPO) tests], DNA integrity (by Comet assay), and viability of spermatozoa (by eosin staining) from normozoospermic men. Sperm samples were washed and diluted with phosphate-buffered saline. A drop in spermatocrit values and an increase in thiobarbituric acid-reactive substances/ LPO rate was observed with the addition of nicotine, predominantly at a concentration of 0.75 mm, indicating a deleterious effect of nicotine on sperm membrane intactness. There was also a strong negative correlation between LPO rate and percentage viable sperm cell (r ¼)0.990). Data obtained from Comet assay technique revealed that nicotine could induce double-stranded DNA breaks (11% in 0.75 mm concentration) in the sperm nuclei. The value of r between LPO rate and percentage Comets was found to be +0.976. Taken together, nicotine proved to be a potential oxidant agent in the category of environmental factors to the integrity of sperm plasma membrane and DNA.

Research paper thumbnail of Review on Partial Root-zone Drying irrigation: Impact on crop yield, soil and water pollution

Agricultural Water Management

Research paper thumbnail of Gestion conservatoire de l'eau et de la fertilité des sols en montagne semi aride algérienne

Depuis 1950, des pressions démographiques et socio-économiques ont contribué àdévelopper une sévè... more Depuis 1950, des pressions démographiques et socio-économiques ont contribué àdévelopper une sévère dégradation des sols, de la couverture végétale et des rivières dans lazone septentrionalede l’Algérie. Les processus en cause sont variés. Dégradation suite au surpâturage, au défrichement et à la minéralisation accélérée des matiéres organiques. Erosion en nappe sélective (O. 1 ,à 20 t/ha/an) et décapage des horizons humifères par rigoles et surtout par érosion mécanique sèche durant le travail du sol (10 à 50 t/ha/an), ravinement (100 à 300 t/ha/an) et glissement des terrains marneux, déstabilisation des berges et des versants.

Research paper thumbnail of Impact of mine waste on the quality of surrounding agricultural soils in Toussit and Sidi Boubker, Morocco: a case study

E3S Web of Conferences

The Oriental region, in Morocco, is surrounded by the Algerian border to the East, the Atlas to t... more The Oriental region, in Morocco, is surrounded by the Algerian border to the East, the Atlas to the West, the Mediterranean to the North and the desert to the south. This region has benefited from the intense mining activity that has played an important role in the national economy. The intensification of mining activity in the Touissit and Sidi-Boubker mines has left behind the closure of tons of waste in the shelter without a plan of conservation. These mine waste storage sites still contain very high levels of metallic elements such as Iron (Fe), which, after a decade of shutdowns, are likely to pollute vulnerable receiving environments, posing a threat to wildlife ecosystems, flora, and to public health. The objective of this study was to assess Fe concentrations at several locations around these mine waste heaps. The results of physicochemical analyses of soils collected over two different periods (wet and dry seasons) showed maximum Fe element concentrations of 10596 mg/kg, wi...