A recent greening of the Sahel--trends, patterns and potential causes

@article{citeulike:2620116, abstract = {For the last four decades there has been sustained scientific interest in contemporary environmental change in the Sahel (the southern fringe of the Sahara). It suffered several devastating droughts and famines between the late 1960s and early 1990s. Speculation about the climatology of these droughts is unresolved, as is speculation about the effects of land clearance on rainfall and about land degradation in this zone. However, recent findings suggest a consistent trend of increasing vegetation greenness in much of the region. Increasing rainfall over the last few years is certainly one reason, but does not fully explain the change. Other factors, such as land use change and migration, may also contribute. This study investigates the nature of a secular vegetation trend across the Sahel and discusses several potential causative factors.}, author = {Olsson, L. and Eklundh, L. and Ardo, J. }, booktitle = {Special Issue on The "Greening" of the Sahel}, citeulike-article-id = {2620116}, doi = {10.1016/j.jaridenv.2005.03.008}, journal = {Journal of Arid Environments}, keywords = {africa, climate, iset, land\_use, migration}, month = {November}, number = {3}, pages = {556--566}, posted-at = {2008-05-16 12:34:53}, priority = {2}, title = {A recent greening of the Sahel--trends, patterns and potential causes}, url = {http://dx.doi.org/10.1016/j.jaridenv.2005.03.008}, volume = {63}, year = {2005} }

TY - JOUR ID - citeulike:2620116 L3 - citeulike-article-id:2620116 TI - A recent greening of the Sahel--trends, patterns and potential causes T2 - Special Issue on The "Greening" of the Sahel JF - Journal of Arid Environments VL - 63 IS - 3 SP - 556 EP - 566 N2 - For the last four decades there has been sustained scientific interest in contemporary environmental change in the Sahel (the southern fringe of the Sahara). It suffered several devastating droughts and famines between the late 1960s and early 1990s. Speculation about the climatology of these droughts is unresolved, as is speculation about the effects of land clearance on rainfall and about land degradation in this zone. However, recent findings suggest a consistent trend of increasing vegetation greenness in much of the region. Increasing rainfall over the last few years is certainly one reason, but does not fully explain the change. Other factors, such as land use change and migration, may also contribute. This study investigates the nature of a secular vegetation trend across the Sahel and discusses several potential causative factors. KW - africa KW - climate KW - iset KW - land_use KW - migration AU - Olsson, L AU - Eklundh, L AU - Ardo, J PY - 2005/11// UR - http://dx.doi.org/10.1016/j.jaridenv.2005.03.008 ER -