Arid
Monitoring Drylands Ecosystem Dynamics for Sustainable Development Policies: The Keita Experience
Tarchiani, Vieri; Di Vecchia, Andrea; Genesio, Lorenzo; Sorani, Federica
会议名称International Scientific Conference on Desertification and Drylands Research
会议日期JUN 19-21, 2006
会议地点Tunis, TUNISIA
英文摘要

The Keita Valley in Niger covers an area of about 4,800km(2) of plateaux with rocky slopes and valleys forming a complex system of watersheds moulded by strong winds and water erosion.


The Keita Rural Development Project began in 1982. Its main objective was to reduce food insecurity in an arid region in danger of environmental collapse. The project proposed to increase rood security while combating desertification through the reduction of soil erosion and reforestation in this large area.


More than 20 years of soil conservation and land reclamation interventions make Keita an open-air laboratory for the study of desertification dynamics and land reclamation activities. The availability of long series of environmental and socioeconomic data and information allows for ecosystem monitoring through indicators based both on field data and model output. This extraordinary Situation, almost unique in the Sahel, provides the opportunity not. only to model the behaviour of natural vegetation during the re-colonization of degraded lands but also to evaluate the impact on populations and production systems. Observing dynamics in the Keita Valley helps to extrapolate the potential evolution of environmental behaviour in arid and semi-arid ecosystems.


Environmental monitoring in Keita has a dual target in planning support at national and local levels. The former supports the definition of national policies and actions plans to combat desertification and land reclamation while the latter, according to the decentralization process that Niger has initiated in natural resource management, sustains local authorities in territorial planning.


英文关键词Keita Rural Development Project ecosystem monitoring land reclamation desertification agro-ecosystem dynamics
来源出版物Future of Drylands
出版年2008
页码395-407
ISBN978-1-4020-6969-7
出版者SPRINGER
类型Proceedings Paper
语种英语
国家Italy
收录类别CPCI-S ; CPCI-SSH
WOS记录号WOS:000262471100027
WOS类目Biodiversity Conservation ; Environmental Sciences ; Environmental Studies
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
资源类型会议论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/297088
作者单位Fdn Clima & Sostenibilita, IBIMET CNR, Florence, Italy
推荐引用方式
GB/T 7714
Tarchiani, Vieri,Di Vecchia, Andrea,Genesio, Lorenzo,et al. Monitoring Drylands Ecosystem Dynamics for Sustainable Development Policies: The Keita Experience[C]:SPRINGER,2008:395-407.
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