@article{fdi:010090270, title = {{S}haring space between native and invasive small mammals : study of commensal communities in {S}enegal}, author = {{G}ranjon, {L}aurent and {A}rtige, {E}. and {B}รข, {K}. and {B}rouat, {C}arine and {D}alecky, {A}mbroise and {D}iagne, {C}. and {D}iallo, {M}. and {F}ossati, {O}dile and {G}authier, {P}hilippe and {K}ane, {M}. and {H}usse, {L}. and {N}iang, {Y}. and {P}iry, {S}. and {S}arr, {N}. and {S}ow, {A}. and {D}uplantier, {J}ean-{M}arc}, editor = {}, language = {{ENG}}, abstract = {{U}rbanization processes are taking place at a very high rate, especially in {A}frica. {A}t the same time, a number of small mammal species, be they native or invasive, take advantage of human-induced habitat modifications. {T}hey represent commensal communities of organisms that cause a number of inconveniences to humans, including potential reservoirs of zoonotic diseases. {W}e studied via live trapping and habitat characterization such commensal small mammal communities in small villages to large cities of {S}enegal, to try to understand how the species share this particular space. {S}even major species were recorded, with exotic invasive house mice ({M}us musculus) and black rats ({R}attus rattus) dominating in numbers. {T}he shrew {C}rocidura olivieri appeared as the main and more widespread native species, while native rodent species ({M}astomys natalensis, {M}. erythroleucus, {A}rvicanthis niloticus and {P}raomys daltoni) were less abundant and/or more localized. {H}abitat preferences, compared between species in terms of room types and characteristics, showed differences among house mice, black rats and {M}. natalensis especially. {N}iche (habitat component) breadth and overlap were measured. {A}mong invasive species, the house mouse showed a larger niche breadth than the black rat, and overall, all species displayed high overlap values. {C}o-occurrence patterns were studied at the global and local scales. {T}he latter show cases of aggregation (between the black rat and native species, for instance) and of segregation (as between the house mouse and the black rat in {T}ambacounda, or between the black rat and {M}. natalensis in {K}edougou). {W}hile updating information on commensal small mammal distribution in {S}enegal, a country submitted to a dynamic process of invasion by the black rat and the house mouse, we bring original information on how species occupy and share the commensal space, and make predictions on the evolution of these communities in a period of ever-accelerating global changes. {W}e present and analyse data on the distribution of commensal small mammals obtained via intensive trapping operation and habitat description in a series of localities in {S}enegal, with the aim to: (i) describe the community of small mammals living in contact with humans and evaluate the respective share that native and invasive species occupy with this community; (ii) better understand the factors that govern species distribution and co-occurrence of species using a series of analyses using habitat characteristics gathered at the moment of captures, in view of a better understanding of patterns and processes at work in a group of organisms of particular concern regarding their interactions with humans.image}, keywords = {community ecology ; co-occurrence ; rodents ; shrews ; {W}est {A}frica ; {SENEGAL}}, booktitle = {}, journal = {{E}cology and {E}volution}, volume = {13}, numero = {9}, pages = {e10539 [24 p.]}, ISSN = {2045-7758}, year = {2023}, DOI = {10.1002/ece3.10539}, URL = {https://www.documentation.ird.fr/hor/fdi:010090270}, }