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2017. Revisiting the coupling between NDVI trends and cropland changes in the Sahel drylands:
A case study in western Niger. Remote Sensing of Environment 191: 286–296.
Trichon, V., P. Hiernaux, R. Walcker, and E. Mougin. 2017. The persistent decline of patterned
woody vegetation: The tiger bush in the context of the regional Sahel greening trend. Global
Change Biology 2018: 1–16.
Tucker, C., H.E. Dregne, and W.W. Newcomb. 1991. Expansion and contraction of the Sahara desert
from 1980 to 1990. Science 253: 299–301.
Van Beek, W. 2005. The Dogon heartland: Rural transformations on the Bandiagara escarpment. In
Sahelian pathways: Climate and society in central and south Mali, Report 78/2005, ed. M. De
Bruijn, H. Van Dijk, M. Kaag, and K. Van Til, 40–70. Leiden: African Studies Centre.
Van Dijk, H., and M. De Bruijn. 1995. Pastoralists, chiefs and bureaucrats: A grazing scheme in
dryland central Mali. In Local resource management in Africa, ed. J.P.M. van den Breemer,
C.A. Drijver, and L.B. Venema, 77–95. Chichester: John Wiley & Sons.
Verhoeven, H. 2014. Gardens of Eden or hearts of darkness? The genealogy of discourses on environmental insecurity and climate wars in Africa. Geopolitics 19: 784–805.
Von Uexkull, N., M. Croicu, H. Fjelde, and H. Buhaug. 2016. Civil conflict sensitivity to growingseason drought. PNAS 113 (44): 12391–12396.
Webb, J. 1995. Desert frontier: Ecological and economic change along the Western Sahel, 1600–1850.
Madison: University of Wisconsin Press.
Welzer, H. 2012. Climate wars. Why people will be killed in the 21st century. Cambridge: Polity.
References
8
Tong, X., M. Brandt, P. Hiernaux, S.M. Herrmann, F. Tian, A.V. Prishchepov, and R. Fensholt.
2017. Revisiting the coupling between NDVI trends and cropland changes in the Sahel drylands:
A case study in western Niger. Remote Sensing of Environment 191: 286–296.
Trichon, V., P. Hiernaux, R. Walcker, and E. Mougin. 2017. The persistent decline of patterned
woody vegetation: The tiger bush in the context of the regional Sahel greening trend. Global
Change Biology 2018: 1–16.
Tucker, C., H.E. Dregne, and W.W. Newcomb. 1991. Expansion and contraction of the Sahara desert
from 1980 to 1990. Science 253: 299–301.
Van Beek, W. 2005. The Dogon heartland: Rural transformations on the Bandiagara escarpment. In
Sahelian pathways: Climate and society in central and south Mali, Report 78/2005, ed. M. De
Bruijn, H. Van Dijk, M. Kaag, and K. Van Til, 40–70. Leiden: African Studies Centre.
Van Dijk, H., and M. De Bruijn. 1995. Pastoralists, chiefs and bureaucrats: A grazing scheme in
dryland central Mali. In Local resource management in Africa, ed. J.P.M. van den Breemer,
C.A. Drijver, and L.B. Venema, 77–95. Chichester: John Wiley & Sons.
Verhoeven, H. 2014. Gardens of Eden or hearts of darkness? The genealogy of discourses on environmental insecurity and climate wars in Africa. Geopolitics 19: 784–805.
Von Uexkull, N., M. Croicu, H. Fjelde, and H. Buhaug. 2016. Civil conflict sensitivity to growingseason drought. PNAS 113 (44): 12391–12396.
Webb, J. 1995. Desert frontier: Ecological and economic change along the Western Sahel, 1600–1850.
Madison: University of Wisconsin Press.
Welzer, H. 2012. Climate wars. Why people will be killed in the 21st century. Cambridge: Polity.
References