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Les Afar, la révolution éthiopienne et le régime du Derg (1974-1991)

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ISBN: 9789994486724 9782821872998 Year: Language: French
Publisher: Centre français des études éthiopiennes
Added to DOAB on : 2017-06-15 10:56:58
License: OpenEdition licence for Books

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Cet ouvrage porte sur la période de révolution, du renversement de Hayle Sïllasé à la mise en place d’une dictature militaire d’inspiration marxiste. L’auteur examine les causes et les conséquences de ce changement de régime à travers le cas des Afar, un peuple semi-nomade transfrontalier de basses terres. Les possibilités d’investissement agricole sur le cours de l’Awash, fleuve qui traverse le territoire Afar, les ressources minières ainsi que la protection des frontières nationales représe...

Arid Land Systems: Sciences and Societies

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ISBN: 9783039213474 / 9783039213481 Year: Pages: 380 DOI: 10.3390/books978-3-03921-348-1 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Environmental Sciences
Added to DOAB on : 2019-12-09 16:10:12
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Understanding deserts and drylands is essential, as arid landscapes cover >40% of the Earth and are home to two billion people. Today's problematic environment–human interaction needs contemporary knowledge to address dryland complexity. Physical dimensions in arid zones—land systems, climate and hazards, ecology—are linked with social processes that directly impact drylands, such as land management, livelihoods, and development. The challenges require integrated research that identifies systemic drivers across global arid regions. Measurement and monitoring, field investigation, remote sensing, and data analysis are effective tools to investigate natural dynamics. Equally, inquiry into how policy and practice affect landscape sustainability is key to mitigating detrimental activity in deserts. Relations between socio-economic forces and degradation, agro-pastoral rangeland use, drought and disaster and resource extraction reflect land interactions. Contemporary themes of food security, conflict, and conservation are interlinked in arid environments. This book unifies desert science, arid environments, and dryland development. The chapters identify land dynamics, address system risks and delineate human functions through original research in arid zones. Mixed methodologies highlight the vital links between social and environmental science in global deserts. The book engages with today's topical themes and presents novel analyses of arid land systems and societies.

Keywords

Central Asia --- landscape --- One Belt --- One Road --- Kazakhstan --- Kyrgyzstan --- infrastructure --- environment --- New Silk Road --- drylands --- wind erosion modelling --- drag partition --- aerodynamic roughness --- remote sensing --- computational fluid dynamics --- cellular automata --- remote sensing --- modelling --- coverage --- grass height --- Cuchillas de la Zarca --- Chobe --- forest resources --- ecosystem services --- non-linear change --- protected areas --- disturbance --- drought --- sustainable livelihoods --- ecotone --- dryland --- KAZA --- Southern Africa --- nomadic pastoralism --- spatial migration model --- Afar --- livestock --- fodder demand --- fodder supply --- Asian dust --- human health --- Mongolia --- Japan --- subarctic agriculture --- Greenland --- soil quality index --- farming at its limits --- air temperature increase --- increase of growing season --- dry lake beds --- dust storm emission --- remote sensing --- Gobi Desert region --- communal rangelands --- property rights --- environmental impacts --- policy implementation --- drylands --- arid region --- LUCC --- driving forces --- snow index --- SPOT VGT --- Kashgar Region --- degrading --- tamarind age --- regeneration --- invasive vine --- vegetation survey --- erosion --- rotational grazing --- continuous grazing --- grassland degradation --- case study of nomadic and settlement grazing system --- remote sensing --- Mongolian grassland --- arid area --- land use change --- soil carbon storage --- global carbon balance --- the Shiyang River Basin --- riparian ecosystems --- Sonoran desert --- remote sensing --- land cover/land use --- drip irrigation --- groundwater --- common-pool resource --- water rights --- local farming --- desert reclamation --- desertification --- river basin development --- political ecology --- water --- vegetation response to precipitation --- dust storm outbreak --- cross correlation analysis --- the Hovmoller diagram --- environmental regime shift --- Gobi desert of Mongolia --- climate hazard --- Asia --- drylands --- risk --- drought --- desert --- Central Asia --- Kyrgyzstan --- infrastructure --- environment --- mining --- social movements --- protest --- environmental justice --- subversive clientelism --- China --- Tibetan Plateau --- Sanjiangyuan region --- social–ecological systems --- pastoralism --- partnerships --- co-management --- national parks --- Belt and Road Initiative --- mountains of Central Asia --- pastoralism --- Ethiopia --- South Omo --- Nyangatom --- Jordan River Basin --- water productivity --- Jordan --- Israel --- Palestine --- agriculture --- agricultural water intensity --- decoupling --- water security --- institutional change --- ecosystem services --- economic valuation --- drylands --- absence --- afforestation --- charisma --- China --- conservation --- desertification --- Gobi --- Mongolia

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