@article{fdi:010077515, title = {{P}opulation dynamics and genetics of {G}erbillus nigeriae in {C}entral {S}ahel : implications for rodent pest control}, author = {{H}ima, {K}. and {G}ranjon, {L}aurent and {G}authier, {P}hilippe and {N}diaye, {A}. and {B}rouat, {C}arine and {D}obigny, {G}authier}, editor = {}, language = {{ENG}}, abstract = {{G}erbillus nigeriae is a sand-dwelling and semi-arid adapted rodent species restricted to the {W}est {A}frican {S}ahel where it causes extensive damages to cereal crops such as millet and sorghum. {I}t also displays one of the most extensive floating chromosomal polymorphisms currently known in mammals, showing a non-random spatial distribution of diploid numbers (2{N}). {W}e combined population dynamics and genetics to determine dispersal and mobility parameters of {G}. nigeriae in the species distribution range characterized by low 2{N}. {T}o do so, we performed a three-year long population survey at {G}angara, in the central east {N}iger. {W}e used both time-dependent monitoring trough capture-mark-recapture ({CMR}) methods and genetic analyses performed on the 134 monitored individuals. {CMR} results showed low to very low population densities (maximum 27.5 individuals/ha) throughout the study. {A}bundance cycle was single-phased and strongly dependent on rainfall patterns. {M}obility parameters showed very low individual mobility, with means of distance between successive (re) captures ({DRS}) and maximal distance between (re) captures ({DMR}) of 7.8 and 14.4 meters, respectively. {G}enetic analyses revealed significant isolation by distance as well as spatial structuration, thus confirming poor dispersal capacity. {O}ur results are discussed in terms of rodent pest control in arid areas of {N}iger where cereal crops production is crucial for human food security.}, keywords = {{SAHEL} ; {NIGER}}, booktitle = {}, journal = {{E}cology and {E}volutionary {B}iology}, volume = {4}, numero = {4}, pages = {45--54}, ISSN = {2575-3762}, year = {2019}, DOI = {10.11648/j.eeb.20190404.11}, URL = {https://www.documentation.ird.fr/hor/fdi:010077515}, }