@article{fdi:010082105, title = {{E}stimates of carbon stocks in sandy soils cultivated under local management practices in {S}enegal's groundnut basin}, author = {{M}alou, {O}. {P}. and {M}oulin {E}smard, {P}atricia and {C}hevallier, {T}iphaine and {M}asse, {D}ominique and {V}ayssieres, {J}. and {B}adiane-{N}dour, {N}. {Y}. and {T}all, {L}. and {T}hiam, {A}. and {C}hapuis {L}ardy, {L}ydie}, editor = {}, language = {{ENG}}, abstract = {{S}oil organic carbon ({SOC}) is essential for the productivity of agroecosystems and for mitigating climate change. {B}ecause the {SOC} contents of sandy soils are usually small, the effects of agricultural management upon {SOC} stocks in such soils have been insufficiently studied. {I}n {W}est sub-arid {A}frica, the coarse-textured soils (mostly {A}renosols) are diversely managed by smallholders. {I}n this study, we aimed to quantify {SOC} stocks in cultivated soils of that region, in a context where agricultural practices rely mainly upon organic inputs derived from various integrated crop-livestock systems. {SOC} stocks were estimated for the 0-30 cm depth in 1,813 plots in {S}enegal's groundnut basin. {W}e found that {SOC} stocks in farmers' fields varied between 2.3 and 59.8 {M}g {C} ha(-1) (mean +/- standard deviation, 14.6 +/- 0.14 {M}g {C} ha(-1)). {SOC} stocks were influenced slightly by soil type, but were only weakly correlated to soils' clay and silt contents. {SOC} stocks differed significantly among the three studied village territories due to contrasting livestock-raising systems. {A}verage stocks were significantly higher in plots close to housings (home-fields), which receive larger amounts of organic inputs, than in plots farther from the village (out-fields). {T}hus, the organic inputs to home-fields improves soil {C} stocks of these sandy soils in the short term. {I}nnovative agricultural practices in the studied area probably need to target options for managing all fields optimally. {T}hose options will require continuous application of organic products-a measure that will in turn require solutions for improving availability or management of local organic resources.}, keywords = {{S}oil organic carbon ({SOC}) ; {SOC} stocks ; {W}est {A}frica ; {O}rganic input ; {C}oarse texture ; {V}isible near-infrared spectroscopy ; {SENEGAL} ; {ZONE} {SAHELIENNE} ; {ZONE} {SOUDANIENNE} ; {FATICK} {REGION} ; {NIAKHAR}}, booktitle = {}, journal = {{R}egional {E}nvironmental {C}hange}, volume = {21}, numero = {3}, pages = {65 [13 p.]}, ISSN = {1436-3798}, year = {2021}, DOI = {10.1007/s10113-021-01790-2}, URL = {https://www.documentation.ird.fr/hor/fdi:010082105}, }