Catégories
Documents disponibles dans cette catégorie (298)
Ajouter le résultat dans votre panier Affiner la recherche
Article
This paper evaluates the economic and environmental implications of adopting eco-efficient irrigation methods in agriculture by delving into the nuanced interplay between technological efficiency, market dynamics, and government interventions. I[...]
Article
F. Ziadat ; G. Conchedda ; F. Haddad ; J. Njeru ; A. Brès ; M. Dawelbait ; L. Li |The FAO estimates that 1660 million hectares globally are degraded due to human activities, with over 60% of this degradation affecting agricultural lands, including croplands and pastures. Given that 95% of global food production depends on lan[...]
Article
Climate change has emerged as one of the most pressing global challenges in recent decades. Agricultural activities significantly influence climate dynamics, necessitating thorough investigation of their emission patterns. Using the FAO datasets[...]
Article
Agriculture and food production can cause a variety of adverse environmental impacts. Life Cycle Assessment (LCA) is the only standardised method so far that provides a comprehensive assessment of the environmental burden of products. LCA result[...]
Article
Numerous life cycle assessments (LCA) have been performed on tomato production; however, results vary greatly due to different system boundaries and assumptions, tomato production methods, and geography. This study seeks to identify the major dr[...]
Article
Desertification affects over 90% of Moroccan territory, leading to soil degradation that reduces agricultural productivity, diminishes biodiversity, and alters environmental functions. This study estimates the total economic cost of desertificat[...]
Article
In Mediterranean regions, climate change is leading to reduced precipitation, along with more frequent and severe droughts, and prolonged periods of water scarcity. In this context, as reservoir levels drop dramatically, some irrigated agricultu[...]
Article
G. Elias ; G. Majdalani ; D. Renard ; G. Faour ; F. Mouillot |Drought is a keystone constraint with far-reaching implications for agro-environmental threats. Yet, drought indices are mostly hydro-meteorological or agricultural, obscuring evidence of the key role agro-ecosystem diversity plays in buffering [...]
Article
This paper examines the impact of climate variability on agricultural production in 12 Moroccan regions, differentiating between rain-fed and irrigated crops. Using a spatial panel data model over 1999-2019, we analyze the impact of climatic and[...]
Article
M. Tan ; N. Cui ; S. Jiang ; L. Xing ; S. Wen ; Q. Liu ; W. Li ; S. Yan ; Y. Wang ; H. Jin ; Z. Wang |Water-saving irrigation (WSI) is extensively utilized worldwide to address the growing disparity between dwindling water supplies and increasing food demand. Moreover, WSI has attracted extensive attention for its potential to mitigate greenhous[...]
Article
The technique of fertilizer consumption increases yields from agriculture, but because it involves chemicals, there are disagreements regarding how it affects the environment. Based on this, the aim of this study is to investigate the effects of[...]
Article
C. Xue ; A. Ghirardelli ; J. Chen ; P. Tarolli |Agricultural drought is a complex natural hazard involving multiple variables and has garnered increasing attention for its severe threat to food security worldwide. In the context of climate change and the increased occurrence of drought events[...]
Article
Smallholder farmers, who mostly engage in low-value agriculture in the drylands of Northern Africa, were the first to have felt the effects of climate change, with threats to their livelihoods and food security. The increasing costs of agricultu[...]
Article
M.M. Mliyeh ; Y. Ait Brahim ; E.-I. Koutsovili ; O. Tzoraki ; A. Zian ; M. Aqnouy ; L. Benaabidate |Drought is a severe disaster, increasingly exacerbated by climate change, and poses significant challenges worldwide, particularly in arid and semi-arid regions like Morocco. This study aims to assess and monitor drought using a multi-index appr[...]
Article
Ensuring sustainability in the production and marketing of agricultural and food products after natural disasters is of critical importance to maintain beneficial nutrition for society. Examining the effects of earthquakes on the agricultural an[...]
Article
This study deals with the information gap on desertification risk for wetland habitat types in Natura 2000 network sites of Greece. Using the Environmentally Sensitive Areas (ESA) index as a proxy, all Natura 2000 wetland habitat types have been[...]
Article
C. Huck ; A. Gobrecht ; T. Salou ; V. Bellon-Maurel ; E. Loiseau |Since the agricultural sector is one of the main drivers responsible for the transgression of planetary boundaries, there is an urgent need to reduce its environmental impacts. To address this issue, international institutions advocate for digit[...]
Article
V. Gumus ; N. El Moçayd ; M. Seker ; M. Seaid |The present study evaluates the future drought hazard in Morocco using a Multi-Model Ensemble (MME) approach. First, the artificial neural network-based MME is constructed using the General Circulation Models (GCMs) from the Climate Models Inter[...]
Article
Les déserts couvrent une grande partie des surfaces émergées en Afrique, Amérique du Nord et du Sud, Australie et Eurasie, particulièrement dans la « diagonale aride ». Les populations se sont adaptées depuis des milliers d'années par la maîtris[...]
Article
M. Henchiri ; J. Zhang ; S. Li ; B. Essifi ; K. Wilson |The dynamic interplay between socioeconomic development and climate change has brought about significant changes in drought vulnerability within the African socioeconomic system. However, there is a prevailing lack of understanding about how the[...]
Article
V. Tascione ; A. Raggi ; L. Petti ; G. Manca |This study aimed to assess the environmental effectiveness of vineyards utilising on-site weather stations integrated with a decision support system (DSS), and to identify the critical hotspots in smart farms that have already obtained integrate[...]
Article
J. Alves-Ferreira ; M.G. Vara ; A. Catarino ; I. Martins ; C. Mourinha ; M. Fabião ; M.J. Costa ; M.V. Barbieri ; M.L. de Alda ; P. Palma |The presence of pesticides in aquatic ecosystems poses significant risks to non-target organisms, necessitating monitoring and environmental risk assessment. This study aimed to evaluate the dynamics and environmental risk of pesticides in a hyd[...]
Article
Soil degradation is a short or long ongoing process that limits ecosystem services. Intensive land use, water scarcity, land disturbance, and global climate change have reduced the quality of soils worldwide. This degradation directly threatens [...]
Article
H. Moreno-Ramón ; J. Ulzurrum ; A. Lidon ; A. Sanjuan |Rice fields in southern Europe are mainly located in wetlands of high ecological value, such as L'Albufera, one of the most important rice-growing areas in Spain. Considering the unique characteristics of this environment, it is crucial to ident[...]
Article
C. Ruau ; V. Naipal ; N. Gagnaire ; C. Cantero-Martínez ; B. Guenet ; B. Gabrielle |Soil erosion poses a significant threat to agricultural production worldwide, with a still-debated impact on the current increase in atmospheric CO2. Whether erosion acts as a net carbon (C) source or sink also depends on how it influences green[...]
E-Book
B. Bonnet, coord. ; J.-L. Chotte, coord. ; P. Hiernaux, coord. ; A. Ickowicz, coord. ; M. Loireau, coord. | Versailles [France] : Editions Quae | Enjeux Sciences, ISSN 2267-3032 | 2024What causes vegetation and soil degradation? What are the consequences for ecosystems, biodiversity, water resources and the climate? What are future impacts on human societies and the economy? Desertification is often wrongly perceived as a rem[...]
Ouvrage
B. Bonnet, coord. ; J.-L. Chotte, coord. ; P. Hiernaux, coord. ; A. Ickowicz, coord. ; M. Loireau, coord. | Versailles [France] : Editions Quae | Enjeux Sciences, ISSN 2267-3032 | 2024Quelles sont les causes de dégradation de la végétation et des sols ? Quelles en sont les conséquences sur les écosystèmes, la biodiversité, les ressources en eau et le climat ? Quels sont les impacts sur les sociétés humaines et l’économie ? So[...]
Rapport, Expertise, Working Paper
C. Rangé ; A. Mansion ; M. Requier-Desjardins ; A. Benkahla | Paris [France] : GRET | Notes de synthèse | 2024Although land neutrality is a sustainable development objective, it remains largely unknown outside international environmental negotiation circles and dedicated academic circles. For the past 10 years, the United Nations Convention to Combat De[...]
Rapport, Expertise, Working Paper
C. Rangé ; A. Mansion ; M. Requier-Desjardins ; A. Benkahla | Paris [France] : GRET | Notes de synthèse | 2024La neutralité des terres, bien qu’étant un objectif de développement durable, reste largement méconnue en dehors des cercles de négociations internationales sur l’environnement et des milieux académiques dédiés. Depuis 10 ans, la Convention des [...]
Chapitre d'ouvrage
M. Requier-Desjardins ; J.-M. Salles | Versailles [France] : Editions Quae | Enjeux Sciences, ISSN 2267-3032 | 2024L’évaluation des coûts de la désertification soulève de multiples difficultés, notamment liées à la définition de la situation à laquelle on compare l’état actuel. On doit, d’une part, s’accorder sur une liste d’impacts liés à la désertification[...]
Chapitre d'ouvrage
M. Requier-Desjardins ; J.-M. Salles | Versailles [France] : Editions Quae | Enjeux Sciences, ISSN 2267-3032 | 2024Assessing the costs of desertification comes with a number of challenges, not least of which involves determining the situation to which the current condition is being compared. First, a list of impacts linked to desertification must be agreed u[...]
Article
A. Dzalbs ; M. Bimbere ; J. Pubule ; D. Blumberga |Horticulture is essential in the European agricultural sector and fundamental for many EU member states. Decision Support Systems and Tools can play an essential role in a shift to result-based agriculture and evidence-based decision making, imp[...]
Article
S.T. Dugan ; A. Muhammetoglu ; A. Uslu |Pesticide pollution can degrade the quality of land, water, and air, and imposes risks on people, flora and fauna. Pesticides are frequently chosen based on their agricultural effectiveness and cost, rather than their potential environmental imp[...]
Article
P. Benito-Verdugo ; J. Martínez-Fernández ; Á. González-Zamora ; L. Almendra-Martín ; J. Gaona ; C.M. Herrero-Jiménez |Given the growing interest in drought impacts on crops, this work studied the impact of agricultural drought on wheat and barley during the period 2001–2020. The study was carried out in the Spanish regions of Castilla y León and Castilla&[...]
Article
S. Vermeulen ; Jan Cools ; J. Staes ; S. Van Passel |Due to climate change, the frequency and intensity of droughts are expected to increase. To improve resilience to droughts, proactive drought management is essential. Economic assessments are typically included to decide on the drought risk-redu[...]
Article
Production systems that do not use environmentally sustainable practices are being pressured to change their production strategies. Conventional agricultural practices are associated with negative impacts, such as extensive land use, soil contam[...]
Article
The economic effects of global warming have gained considerable attention in the recent economic literature. While the relationship between rainfall and agriculture is well known, precipitations alone do not capture the soil water availability, [...]
Article
J. Garnier ; G. Billen ; E. Aguilera ; L. Lassaletta ; R. Einarsson ; J. Serra ; M.doR. Cameira ; C. Marques-dos-Santos ; A. Sanz-Cobena |Ammonia (NH3) volatilization, nitrous oxide (N2O) emissions, and nitrate (NO3−) leaching from agriculture cause severe environmental hazards. Research studies and mitigation strategies have mostly focused on one of these nitrogen (N) losse[...]
Article
The liberalization of world trade has led to a significant increase in agricultural trade, which has brought to light various environmental externalities, including climate change, deforestation, and water pollution. While economic studies tend [...]
Article
J. McGinley ; M.G. Healy ; P.C. Ryan ; H. O'Driscoll ; P.-E. Mellander ; L. Morrison ; A. Siggins |Pesticides are widely used in agriculture to optimise food production. However, the movement of pesticides into water bodies negatively impacts aquatic environments. The European Union (EU) aims to make food systems fair, healthy and environment[...]
Article
L'oasis Ghout est un système agricole oasien traditionnel typique à la région du Souf. Les oasis Ghout on subi une forte dégradation durant les 5 dernières décennies. L’objectif de cette recherche est l’évaluation et cartographie spatio-temporel[...]
Article
A. Mendoza Beltran ; R. Padró ; M.J. La Rota-Aguilera ; J. Marull ; M.J. Eckelman ; J. Cirera ; A. Giocoli ; G. Villalba |Peri urban agriculture (peri-UA) can supply food locally and potentially more sustainably than far-away conventional agricultural systems. It can also introduce significant environmental impacts depending on the local biophysical conditions and [...]
Article
M. Zambelli ; V. Giovenzana ; A. Casson ; A. Tugnolo ; A. Pampuri ; S. Vignati ; R. Beghi ; R. Guidetti |When talking about environmental and sustainability topics, the wine sector plays a fundamental role ensuring that wine remains not only economically but also environmentally sustainable, hence the importance of conducting analyses to measure th[...]
Article
Agricultural life cycle assessment (LCA) at the sub-national regional level may be a valuable input for the decision-makers. Obtaining representative and sufficient data to develop life cycle inventories (LCIs) at that level is a relevant challe[...]
Article
Z. El Hathat ; V.R. Sreedharan ; V.G. Venkatesh ; T. Zouadi ; M. Arunmozhi ; Y. Shi |As the world is driving towards climate change, customers are concerned over the issues around greenhouse gas (GHG) emissions and energy consumption in production cycles. Business leaders and governments are eager to reduce emissions through spe[...]
Article
Article
Agriculture is one of the main sources of diffuse pollution, such as fertilisers, plant protection products, solid particles or pathogens. The short- and long-term impact of agriculture on surface water quality is often driven by on-farm decisio[...]
Article
Drought is considered one of the key barriers influencing wheat production, and various adaptation schemes are practiced globally to mitigate drought impacts. However, it is difficult to precisely assess the performances of drought mitigation me[...]
Article
S. Vanino ; C. Di Bene ; C. Piccini ; G. Fila ; B. Pennelli ; R. Zornoza ; V. Sanchez-Navarro ; J. Álvaro-Fuentes ; R. Hüppi ; J. Six ; R. Farina |The intensification of agricultural systems has caused a noticeable impact on agro-ecosystem services. Thus, the adoption of more sustainable agricultural practices such as crop diversification and reduction of external inputs represent an alter[...]
Article
A. Casson ; B. Ortuani ; V. Giovenzana ; L. Brancadoro ; S. Corsi ; O. Gharsallah ; R. Guidetti ; A. Facchi |Viticulture is gradually shifting to more sustainable production systems and a fair number of studies aim at assessing the environmental impacts of different technologies and techniques adopted in the wine production through the Life Cycle Asses[...]
Article
L. Villani ; G. Castelli ; L. Piemontese ; D. Penna ; E. Bresci |Mediterranean watersheds are expected to face increased and more severe drought events due to climate change. Urgent action is needed to shift from a reactive approach to a proactive one, for which drought risk assessment is fundamental. Neverth[...]
Article
A. Elkouk ; Y. Pokhrel ; Y. Satoh ; L. Bouchaou |Climate change is expected to exacerbate drought conditions over many global regions. However, the future risk posed by droughts depends not only on the climate-induced changes but also on the changes in societal exposure and vulnerability to dr[...]
Article
Salinization is a major soil degradation threat in irrigated lands worldwide. In Portugal, it affects several pockets of irrigated agricultural areas, but the spatial distribution and intensity of soil salinity are not well known. Unlike convent[...]
Article
We explored the relative importance of climate oscillations and human-driven disturbances on the change in vegetation biomass in agroecosystems, and whether it is associated with land use. Our main contribution is a quantitative treatment of the[...]
Article
Droughts have severe impacts on the economy, society, and environment. They also have impacts on groundwater and vice versa. While most analyses consider drought and groundwater as disconnected, we argue that drought and groundwater management s[...]
Article
In recent decades, most Spanish Mediterranean agricultural regions have been transformed to meet global food demands and have joined global agricultural production networks: a convergence process that has granted them steady economic growth. In [...]
Article
Meteorological drought is defined as the event that arises when precipitation is lower than average and initially affects rainfed crops; this is transformed into hydrological drought when persistent drought affects water storage. We have studied[...]
Article
Z.M. Nigatu ; D. Fan ; W. You ; A.M. Melesse ; L. Pu ; X. Yang ; X. Wan ; Z. Jiang |Soil moisture (SM) and groundwater (GW) depletion triggered by anthropogenic and natural climate change are influencing food security via crop production per capita decrease in the Nile River Basin (NRB). However, to the best of our understandin[...]
Article
S. Mohammed ; A. Elbeltagi ; B. Bashir ; K. Alsafadi ; F. Alsilibe ; A. Alsalman ; M. Zeraatpisheh ; A. Széles ; E. Harsányi |Drought is a natural hazard which affects ecosystems in the eastern Mediterranean. However, limited historical data for drought monitoring and forecasting are available in the eastern Mediterranean. Thus, implementing machine learning (ML) algor[...]
Article
The main type of consumptive water use is crop evapotranspiration. The historical evolution of crop evapotranspiration depends on climate and cropland changes. These two latter variables present complex interactions and are expected to continue [...]
Article
In 2013, the United Nations Convention to Combat Desertification (UNCCD) established a science–policy interface (SPI) to address Parties’ need for demand-driven, timely, interdisciplinary science and technical knowledge to tackle problems of des[...]
Article
A. Elnashar ; H. Zeng ; B. Wu ; T.G. Gebremicael ; K. Marie |Assessing environmentally sensitive areas (ESA) to desertification and understanding their primary drivers are necessary for applying targeted management practices to combat land degradation at the basin scale. We have developed the MEditerranea[...]
Article
O. Kairis ; A. Karamanos ; D. Voloudakis ; J. Kapsomenakis ; C. Aratzioglou ; C. Zerefos ; C. Kosmas |The impact of simulated future climate change on land degradation was assessed in three representative study sites of Thessaly, Greece, one of the country’s most important agronomic zones. Two possible scenarios were used for estimation of futur[...]
Article
R. Halbac-Cotoara-Zamfir ; A. Marucci ; R. Salvia ; G. Quaranta ; A. Sateriano ; M. Cecchini ; L. Bianchini |This commentary debates on the role of multiple socioeconomic drivers of fringe land degradation (including, but not limited to, population and social dynamics, economic polarization, and developmental policies), as a novel contribution to the d[...]
Article
The latest world atlas of desertification represents a turning point in the diagnosis of desertification. While it forgoes desertification mapping due to the intrinsic complexity of the phenomenon and the impossibility of measuring it using a si[...]
Article
La dégradation des terres est un problème préoccupant et d’actualité dans plusieurs régions du monde. Il représente toujours un thème de recherche d’actualité en géographie. Cet intérêt prend de l’importance surtout avec l’avènement du changemen[...]
Article
Agriculture has been identified as one of the main drivers of environmental degradation in the European Union (EU). It can have negative impacts on air, water, soil and biodiversity. The condition of agroecosystems is affected by soil degradatio[...]
Article
A. Shakoor ; A.A. Dar ; M.S. Arif ; T.H. Farooq ; T. Yasmeen ; S.M. Shahzad ; M.A. Tufail ; W. Ahmed ; G. Albasher ; M. Ashraf |Globally, agriculture sector is the significant source of greenhouse gases (GHGs) emissions into the atmosphere. To achieve the goal of limiting or mitigating these emissions, a rigorous abatement strategy with an additional focus on improving c[...]
Article
Soil, a non-renewable resource, sustains life on Earth by supporting around 95% of global food production and providing ecosystem services such as biomass production, filtration of contaminants and transfer of mass and energy between spheres. Un[...]
Rapport, Expertise, Working Paper
J.-L. Chotte ; J. Albergel ; B. Bonnet ; A. Cornet ; T. Heulin ; P. Hiernaux ; A. Ickowicz ; M. Loireau ; M. Requier-Desjardins ; E. Scopel ; H. Soubelet ; B. Sultan ; M. Thibon ; Y. Travi ; L. Vidal | Montpellier [France] : CSFD. Comité Scientifique Français de la Désertification | Fiche d'actualité | 2022Le premier bilan d'étape de l'impact de l'initiative de la Grande Muraille Verte (GMV) au Sahel (septembre 2021) met en évidence l'urgence d'actions coordonnées, impliquant tous les acteurs, pour atteindre les ambitions annoncées en 2007. Aujour[...]
Thèse, Mémoire, Master
La présente étude est inspirée d’un débat scientifique actuel autour de l’évaluation économique des services écosystémiques rendus par le sol. Elle détaille l’estimation des services identifiés dans le bassin versant de l’O.Lachbal et développe [...]
Article
Desertification is a serious threat to human survival and to ecosystems, especially to inland desert oases. An assessment of desertification severity is essential to ensure national sustainable development for agricultural and land expansion pro[...]
Article
The progressive erosion of the coastline is not only a danger to Tunisia’s coastal infrastructure, but it also threatens nature reserves and dune systems with their important ecosystem functions. A KfW Development Bank project relies on a combin[...]
Rapport, Expertise, Working Paper
P. Lavigne Delville ; E. Léonard ; J.-P. Colin ; M. Requier-Desjardins ; P. Burnod ; J.L. Couture | Montpellier [France] : Pôle foncier de Montpellier | 2022Parallèlement aux phénomènes climatiques, la dégradation des terres résulte d’activités humaines qui surexploitent des écosystèmes. Or, rares sont les espaces vides et sans droits. Toute intervention sur un écosystème prend place dans des espace[...]
Actes de Congrès ou Communication isolée
P. Lavigne Delville ; E. Léonard ; J.-P. Colin ; M. Requier-Desjardins ; P. Burnod ; J.L. Couture ; CIHEAM-IAMM (Montpellier, France) ; Pôle Foncier (Montpellier, France) | 2022Just like climate hazards, land degradation is the result of human activities that overexploit ecosystems. Yet, there are very few empty places where no property rights to land and other natural resources exist. Ecological interventions usually [...]
Article
A. Alitane ; A. Essahlaoui ; M. El Hafyani ; A. El Hmaidi ; A. El Ouali ; A. Kassou ; Y. El Yousfi ; A. Van Griensven ; C.J. Chawanda ; A. Van Rompaey |Soil erosion is an increasingly issue worldwide, due to several factors including climate variations and humans’ activities, especially in Mediterranean ecosystems. Therefore, the aim of this paper is: (i) to quantify and to predict soil erosion[...]
Article
M. Sabir ; M. Naimi ; S. Hossayni |L’Anti Atlas occidental, montagne du Sud-Ouest marocain, est sujet à un exode rural intense depuis plusieurs décennies. Ainsi les terrasses agricoles aménagées depuis plusieurs siècles sur les versants des vallées sont abandonnées et dégradées. [...]
Article
N. Zekri ; A. Tounkob |L’érosion hydrique est la principale forme de dégradation des sols en Algérie septentrionale. Ce phénomène naturel inévitable qui affecte notamment la partie nord-ouest du pays est exacerbé par les pratiques effarantes de l’homme et la fragilité[...]
Article
M. Arabi |Pour lutter contre l'érosion, l'Administration forestière algérienne a généralisé, à partir des années 1940, sur 387.833 ha de terre considérée comme sensibles à l'érosion une stratégie d'équipement rural de défense et restauration des sols (DRS[...]
Article
P. Palma ; S. Fialho ; A. Lima ; A. Catarino ; M.J. Costa ; M.V. Barbieri ; L.S. Monllor-Alcaraz ; C. Postigo ; M.L. de Alda |The study aimed to assess the occurrence and the environmental risk of a group of 51 selected pesticides in the Guadiana Basin (a biodiversity hotspot, in the Mediterranean). The most abundant pesticides were bentazone and 2,4-D, while terbuthyl[...]
Article
N. Baran ; N. Surdyk ; C. Auterives |Contaminants in groundwater are a major issue worldwide. Temporal trends of such occurrences in French groundwaters were evaluated for several active substances of pesticides belonging to different chemical classes, to identify key factors expla[...]
Article
L’effacement du couvert végétal dans les steppes de l’Est marocain, territoire vulnérable par nature en situation très déplorée, est subséquent aux phénomènes de défrichement et de mise en culture, de surcharge animale, de mitage urbain et de la[...]
Article
M.H. Aydogdu ; M.H. Aydogdu ; M. Cançelik ; M.R. Sevinç ; M.A. Çullu ; K. Yenigün ; N. Küçük ; B. Karli ; S. Ökten ; U. Beyazgül ; H.P. Dogan ; Z. Sahin ; N. Mutlu ; C. Kaya ; A. Yenikale ; A. Yenikale |This research aims to determine the belief-based drought perceptions and attitudes of farmers in Şanlıurfa, which is in a semi-arid climate regime, and the factors affecting them. The surveys were conducted through face-to-face intervi[...]
Article
In the Mediterranean basin, edaphic salinization, sodification and alkalinization related to anthropic pressures and climatic changes may hinder the ecosystem sustainability. It is pertinent to study the mid and long-term variability of these so[...]
Article
Long-term impact of wastewater irrigation on soil pollution and degradation: a case study from Egypt
There is consensus on the impact of wastewater irrigation on soil properties and heavy metal accumulation. The studies that show the impact of temporal changes as a result of different long-term additions of wastewater on the heavy metal accumul[...]
Article
Diffuse water pollution is a major problem in many agroecosystems, especially in irrigated areas linked to ecosystems of high ecological value. Pollution abatement policies imply the modification of agricultural measures and are usually rejected[...]
Article
M. Juigner ; M. Robin ; M. Audère ; P. Fattal ; B. Hervy ; R. Kerguillec ; J.-B. Suzanne ; S. Costa ; M. Lopin ; O. Maquaire ; M. Medjkane ; J. Pagny ; A. Thulie |Les côtes basses sableuses sont des espaces contraints et sensibles aux aléas côtiers. L’implantation des activités humaines à proximité du bord de mer fait de ces espaces des territoires du risque. L’identification des territoires exposés au re[...]
Article
R. Ikkou ; H. Lazhar ; Y. Benbrahim |La forêt d'Itzer s'inscrit dans le cadre géographique du versant Sud du Moyen Atlas Plissé, région où la dégradation de la couverture végétale est terriblement présente. L'utilisation de l’imagerie satellitaire (Landsat) nous a permis d’avoir un[...]
Article
Forests provide a number of ecological and hydrological services, for instance, contributing to decreased water and sediment yields through increased infiltration and reduced soil erosion. However, forest fires can turn positive forest services [...]
Article
Les tendances climatiques des cédraies se situent dans les fourchettes des projections climatiques 2016-2035 du GIEC pour le Maroc. Elles sont caractérisées par une augmentation de la fréquence des années sèches, une tendance à la baisse des pré[...]
Article
Le bassin versant de l’Oued Guigou connait des facteurs d’évolution généraux. Jusqu’à une époque récente, aucune menace significative n’a pesé sur la stabilité de ce bassin versant. Aujourd’hui, cet équilibre est devenu précaire et on peut voir [...]
Article
Agriculture is one of the most important sectors in the world. It provides food for the growing world populations while also creating employment opportunities. This sector, however, is greatly threatened by climate change, increased water scarci[...]
Article
Desertification is one of the most important problems facing arid and semi-arid regions, whether it is caused by irresponsible human activity or due to natural conditions or both. The objectives of the study were to assess the environmental sens[...]
Article
Global drylands comprise over 40% of the earth’s land surface, support millions of pastoralists and account for half of the world’s livestock. Climate change and socio-economic drivers are rapidly altering dryland social-ecological systems, with[...]
Article
La partie aval de l’oued Aoulai est caractérisée par une grande irrégularité des précipitations, le plus souvent à caractère orageux, une forte pente, une topographie accidentée et une lithologie essentiellement fragile ; combinées à une défores[...]
Article
M.J. Al Sayah ; C. Abdallah ; M. Khouri ; R. Nedjai ; T. Darwich |This study aims to implement the Land Degradation Neutrality (LDN) concept on a test site: the 309 km2 Nahr Ibrahim watershed Lebanon, by integrating soil erosion as an LDN indicator given its status as a land degradation driver and common conce[...]
Article
The Anti-Atlas is subject to an intense rural exodus. The agricultural terraces built for several centuries have been abandoned. They are gradually deteriorating. The risks of runoff and erosion are becoming significant. The objective was to stu[...]
Article
Drought is among the highest-impact natural hazards affecting drylands around the world in a warming climate. The Mediterranean region, including Tunisia, is projected to experience the most predominant drying trends worldwide. However, a detail[...]
Article
Calabria is a region of southern Italy characterized by several natural and heritage sites located on seaboard areas, within a distance of 300 m from the coast. In fact, 58 Natura 2000 sites and 63 cultural heritage sites (42.9% of which overlap[...]
Article
O. Farahy ; M. Laghfiri ; M. Bourioug ; L. Aleya |The cultivation of apple trees needs to use phytosanitary products, which are used in an irrational way by certain farmers. The harmful effects of pesticides result mainly from their persistence in the environment. Several studies have been carr[...]
