@misc{indiciaef60eaac6eb64, title = {Ecoregions and land cover trends in Senegal}, author = {G. Gray Tappan and M. Sall and E.C. Wood and Matthew Cushing}, year = {2004}, doi = {10.1016/j.jaridenv.2004.03.018}, url = {https://pubs.usgs.gov/publication/70159366}, note = {Source identifier: 70159366} }