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7.5 - Dégradation : Impact, Désertification |
Documents disponibles dans cette catégorie (449)

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A. Oubaha ; V. Ongoma ; B.A. Hssaine ; L. Bouchaou ; A. Chehbouni |Understanding the dynamics, prediction and monitoring of drought are important for anticipatory action. Although drought spatiotemporal analysis has advanced in recent years, it continues to present significant challenges. The objective of this [...]![]()
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A. Valjarevic ; A. Siljeg ; S. Siljeg ; F. Vujovic ; A. Sahay |North Africa is experiencing intensifying water stress due to rapid population growth, urban sprawl, and climate variability, with major implications for agriculture and human settlement in its predominantly dryland environment. This study appli[...]![]()
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W.Z. Shi ; K. Zhang ; Z.F. Chen ; Y.B. Xie ; G. Forzieri |Compound agricultural drought and hot events (CADHEs, co-occurring soil moisture depletion and high temperature) have intensified over the last decades and are expected to further rise in view of climate change. Such increasing climate hazards h[...]![]()
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I.A. Adigun ; S. Bastola ; I. Choo ; Y. Jung |Climate change poses an unprecedented threat to food security in Africa, where agricultural systems are already strained by environmental degradation and limited adaptive capacity. The continent's vulnerability is heightened by its heavy depende[...]![]()
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M. Recepoglu ; P. Hayaloglu ; S.C. Cakir ; S. Artan ; M.A. Cakir |The surge in the global population over the past century has highlighted the importance of agricultural production, leading to many studies to boost productivity. Unlike previous studies that primarily explore agricultural productivity growth, t[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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 [...]![]()
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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[...]![]()
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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[...]![]()
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C. Mendes ; K. Aldebert ; F. Brun ; D. Makowski |Impacts of extreme weather events (EWEs) on crop yields are commonly estimated using yield time series obtained from surveys. As these data do not come from randomized controlled trials, they are subject to confounding factors and may lead to bi[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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Agriculture represents the "cause" and the "victim" of climate change. Almost 30 percent of greenhouse gas emissions come from the agricultural sector. They contribute to global warming and therefore significantly affect the sustainability of ag[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]![]()
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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[...]