@article{fdi:010067779, title = {{A}griculture in {W}est {A}frica in the twenty-first century : climate change and impacts scenarios, and potential for adaptation}, author = {{S}ultan, {B}enjamin and {G}aetani, {M}.}, editor = {}, language = {{ENG}}, abstract = {{W}est {A}frica is known to be particularly vulnerable to climate change due to high climate variability, high reliance on rain-fed agriculture, and limited economic and institutional capacity to respond to climate variability and change. {I}n this context, better knowledge of how climate will change in {W}est {A}frica and how such changes will impact crop productivity is crucial to inform policies that may counteract the adverse effects. {T}his review paper provides a comprehensive overview of climate change impacts on agriculture in {W}est {A}frica based on the recent scientific literature. {W}est {A}frica is nowadays experiencing a rapid climate change, characterized by a widespread warming, a recovery of the monsoonal precipitation, and an increase in the occurrence of climate extremes. {T}he observed climate tendencies are also projected to continue in the twenty-first century under moderate and high emission scenarios, although large uncertainties still affect simulations of the future {W}est {A}frican climate, especially regarding the summer precipitation. {H}owever, despite diverging future projections of the monsoonal rainfall, which is essential for rain-fed agriculture, a robust evidence of yield loss in {W}est {A}frica emerges. {T}his yield loss is mainly driven by increased mean temperature while potential wetter or drier conditions as well as elevated {CO}2 concentrations can modulate this effect. {P}otential for adaptation is illustrated for major crops in {W}est {A}frica through a selection of studies based on process-based crop models to adjust cropping systems (change in varieties, sowing dates and density, irrigation, fertilizer management) to future climate. {R}esults of the cited studies are crop and region specific and no clear conclusions can be made regarding the most effective adaptation options. {F}urther efforts are needed to improve modeling of the monsoon system and to better quantify the uncertainty in its changes under a warmer climate, in the response of the crops to such changes and in the potential for adaptation.}, keywords = {{W}est {A}frican monsoon ; climate change ; impacts ; adaptation ; agriculture ; {AFRIQUE} {DE} {L}'{OUEST} ; {SAHEL} ; {ZONE} {GUINEENNE}}, booktitle = {}, journal = {{F}rontiers in {P}lant {S}cience}, volume = {7}, numero = {}, pages = {art. 1262 [20 p.]}, ISSN = {1664-462{X}}, year = {2016}, DOI = {10.3389/fpls.2016.01262}, URL = {https://www.documentation.ird.fr/hor/fdi:010067779}, }