Assessing farmland dynamics and land degradation on Sahelian landscapes using remotely sensed and socioeconomic data

References

• FAO . 1980 . Natural resources and the human environment for food and agriculture , Environment Paper No. 1 Rome
   Google Scholar
• FAO . 1983 . Keeping the land alive. Soil erosion-its causes and cures , Soils Bulletin No. 50 Edited by: Kelley , H. W. Rome
   Google Scholar
• GORSE , J. E. and STEEDS , D. R. 1987 . Desertification in the Sahelian and Sudanian zones of West Africa , World Bank Technical Paper No. 61 Washington
   Google Scholar
• ISRIC/UNEP . 1991 . “ World map of the status of human-induced soil degradation ” . In Global Assessment of Soil Degradation (GLASOD), , 2nd revised edition , Edited by: Oldeman , L. R. , Hakkeling , R. T. A. and Sombroek , W. G. Nairobi : Wageningen .
   Google Scholar
• ADA , L. and ROCKSTROM , J. 1993 . “ Diagnostic sur le système agraire du Zarmanganda central (Niger) ” . In Memoire de fin d'études IN APG
   Google Scholar
• BA , M. 1991 . Evolution de l'emprise des cultures annuelles (essentiellement le mil) sur l'espace sylvo-pastoral depuis quelques decennies: Consequence sur la dynamique actuelle des jacheres et friches post-culturales , Memoire, Université Paris, Val de Marne .
   Google Scholar
• BLAIKIE , P. and BROOKFIELD , H. 1987 . Land degradation and society , London : Methuen .
   Google Scholar
• BONNEFON-CRAPONNE , O. 1997 . Utilisation de la télédétection pour repérer des unités spatiales gestion , Montpellier : Master SILAT, maison de la télédétection .
   Google Scholar
• BOSERUP , E. 1965 . The conditions of agricultural growth: The economics of agrarian change under population pressure , New York : Aldine Publishing Company .
   Google Scholar
• CLEAVER , K. M. and SCHREIBER , G. 1992 . The population, agriculture and environment nexus in sub-Saharan Africa , Working Paper No. 6 Washington : World Bank .
   Google Scholar
• DIXON , J. A. , SHERMAN , P. B. and JAMES , D. E. 1989 . The Economics of Dryland Management , London : Earthscan Publications Ltd. .
   Google Scholar
• DREGNE , H. , KASSA , M. and ROZANOV , B. 1991 . A new assessment of the world status of desertification , Desertification Control Bulletin 20 Nairobi : UNEP .
   Google Scholar
• FAO . 1986 . African agriculture: the next 25 years Rome
   Google Scholar
• FAO . 1993 . Sustainable development of drylands and combating desertification Rome
   Google Scholar
• FAO/GIEWS . October 1996 . Global Watch , Report No. 3 October , 1996
   Google Scholar
• FAO/GIEWS . December 1997 . Global Watch , Report No. 6 December , 1997
   Google Scholar
• LAMBIN , E. F. 1996 . Change detection at multiple temporal scales: Seasonal and annual variations in landscape variables . Photogrammetric Engineering and Remote Sensing , 62 : 931 – 938 .
   Web of Science ®Google Scholar
• LAMBIN , E. F. and STRAHLER , A. H. 1994 . Indicators of land-cover change for change-vector analysis in multitemporalspace at coarse spatial scales . International Journal of Remote Sensing , 15 : 2009 – 2119 .
   Web of Science ®Google Scholar
• LEISINGER , K. M. , SCHMITT , K. and ISNAR . 1995 . Survival in the Sahel: an ecological and developmental challenge , The Hague : ISNAR .
   Google Scholar
• LELE , U. and STONE , S. W. 1989 . Population pressure, the environment and agricultural intensification: variations on the Boserup hypothesis , MADIA Discussion Paper No. 4 Washington : The World Bank .
   Google Scholar
• LIVERMANN , D. , MORAN , E. F. , RINFUSS , R. R. and STERN , P. C , eds. 1998 . People and Pixels: Linking remote sensing and social science , Washington : National Academy Press .
   Google Scholar
• LOIREAU , M. 1998 . Espaces-Ressources-Usages: Spatialisation des interactions dynamiques entre les systèmes sociaux et les systèmes écologiques au Sahel Nigérien , Université Paul Valery-Montpellier III . Thèse doctoral
   Google Scholar
• MANYONG , V. M. , SMITH , J. , WEBER , G. K. , JAGTAP , S. S. and OYEWOLE , B. 1996 . Macrocharacterization of agricultural systems in central Africa: An overview , Resource and crop management research monograph No. 22 Ibadan : International Institute of Tropical Agriculture) .
   Google Scholar
• MORAN , E. F. , BRONDIZIO , E. , MAUSEL , P. and Wu , Y. 1994 . Integrating Amazonian vegetation land use and satellite data . BioScience , 44 : 329 – 338 .
   Web of Science ®Google Scholar
• MUTSAERS , H. J. W. , WEBER , G. K. , WALKER , P. and FISCHER , N. M. 1997 . A Field Guide for On-Farm Experimentation , IITA/CTA/ISNAR .
   Google Scholar
• NAGUMO , F. 1992 . Pedological environment and agro-ecological system of the Sudano-Sahelian zone in Niger, West Africa , Japan : Hokkaido university . Masters thesis
   Google Scholar
• OLDEMAN , L. R. , HAKKELING , R. T. A. and SOMBROEK , W. G. 1990 . Global assessment of soil degradation (GLASOD) , Wageningen, Nairobi : ISRIC/UNEP .
   Google Scholar
• POPIN . September 1995 . “ Population and Land degradation ” . In Population and the Environment: a review of issues and concept s for population programmes staff H , September , New York : POPIN/UNDP . 1995
   Google Scholar
• REENBERG , A. and FOG , B. 1995 . The spatial pattern and dynamics of a Sahelian agroecosystem: Land use systems analysis combining household survey with georelated information . GeoJournal , 37 : 489 – 499 .
   Google Scholar
• RUTHENBERG , H. 1980 . Farming systems in the Tropics , Oxford : Clarendon Press .
   Google Scholar
• SMITH , J. 1992 . Socioeconomic characterization of environments and technologies in humid and subhumid regions of West and Central Africa , Resource and Crop Management Research Monograph No. 10 Ibadan : HTA .
   Google Scholar
• SNRECH , S. 1994 . “ Population, environnement et economie au Sahel ” . In The Sahel: Population, integrated rural development projects and research components in development projects , AAU Reports, 32 Edited by: Reenberg , A. and Markussen , B. 25 – 40 . Aarhus : Department of Systematic Botany .
   Google Scholar
• STROOSNIJDER , L. 1994 . “ Population, density, carrying capacity and agricultural production technology in the Sahel ” . In The Sahel: Population, integrated rural development projects and research components in development projects , AAU Reports, 32 Edited by: Reenberg , A. and Markussen , B. 25 – 40 . Aarhus : Department of Systematic Botany, Aarhus University .
   Google Scholar
• THENKABAIL , P. S. and NOLTE , C. 1995 . Regional characterization of inland valley agroecosystems in Sikasso, Mali and Bobo-Dioulasso, Burkina faso, through integration of remote sensing, GPS and ground-truth data in GIS framework , Inland valley characterization report 3 Ibadan : HTA .
   Google Scholar
• TURNER , M. G. 1989 . Landscape ecology: The effect of pattern on process . Annual Review of Ecology Systems , 20 : 171 – 197 .
   Google Scholar
• TURNER , B. L. , HANHAM , R. O. and PORTARARO , A. V. 1977 . Population pressure and agricultural intensity . Annals of the Association of American Geographers , 67 : 384 – 396 .
   Web of Science ®Google Scholar
• UNEP . 1992 . The World Environment 1972–1992. Two decades of challenge , Edited by: Tolba , M. K. London : Chapman and Hall .
   Google Scholar
• UNEP . Early warning of emerging environmental threats . Meeting report . December 8 1998 . Washington, DC : UNEP .
   Google Scholar
• WILLIAM , T. O. 1998 . Multiple uses of common pool resources in semi-arid West Africa: A survey of existing practices and options for sustainable resource management . ODI Natural Resource Perspectives , 38
   Google Scholar
• WOOD , C. H. and SKOLE , D. 1998 . “ Linking satellite, census, and survey data to study deforestation in the Brazilian amazon ” . In People and Pixels: Linking remote sensing and social science , Edited by: Livermann , D. 70 – 93 . Washington : National Academy Press .
   Google Scholar