Mating system of Thrichomys fosteri in the Brazilian Pantanal: spatial patterns indicate promiscuity
Animal mating systems provide key insights into the relationship between evolutionary processes and ecological factors such as the spatio-temporal fluctuation of resource abundance. Characteristics of mating systems can be inferred from the spatial distribution of conspecifics and the arrangement of...
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| Veröffentlicht in: | Mammalian biology : Zeitschrift für Säugetierkunde 2020-08, Vol.100 (4), p.365-375 |
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| container_title | Mammalian biology : Zeitschrift für Säugetierkunde |
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| creator | Antunes, Pâmela Oliveira-Santos, Luiz Gustavo Rodrigues dos Santos, Thiago Mateus Rocha de Menezes, Jorge Fernando Saraiva Tomas, Walfrido Moraes Forester, James D. Fernandez, Fernando Antonio Santos |
| description | Animal mating systems provide key insights into the relationship between evolutionary processes and ecological factors such as the spatio-temporal fluctuation of resource abundance. Characteristics of mating systems can be inferred from the spatial distribution of conspecifics and the arrangement of reproductive pairs. Here we used home-range size and overlap for
Thrichomys fosteri
in the Brazilian Pantanal to infer the mating system on this echimyid rodent. Our aims were to verify the existence of sexual dimorphism, to test whether home-range size varied with the sex and body weight of the individuals, to evaluate the degree of home-range overlap, to estimate mean population density, and to infer individuals’ mating system. Twenty one individuals (15 males and six females) were radio tracked from 14 to 349 days, with the number of locations by individuals ranging from 19 to 193 locations. There was a male-biased sexual dimorphism in body weight where males were 1.36 times heavier than females. Males’ home-range size increased with their body weight, while for females there was no relationship. There was extensive home-range overlap between both sexes, and no evidence of territoriality. Mean population density ranged from 0.9 to 3.03 individuals/ha. Our results indicate that multiple mates were available for both sexes, characterizing a promiscuous mating system. |
| doi_str_mv | 10.1007/s42991-020-00040-y |
| format | Article |
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Thrichomys fosteri
in the Brazilian Pantanal to infer the mating system on this echimyid rodent. Our aims were to verify the existence of sexual dimorphism, to test whether home-range size varied with the sex and body weight of the individuals, to evaluate the degree of home-range overlap, to estimate mean population density, and to infer individuals’ mating system. Twenty one individuals (15 males and six females) were radio tracked from 14 to 349 days, with the number of locations by individuals ranging from 19 to 193 locations. There was a male-biased sexual dimorphism in body weight where males were 1.36 times heavier than females. Males’ home-range size increased with their body weight, while for females there was no relationship. There was extensive home-range overlap between both sexes, and no evidence of territoriality. Mean population density ranged from 0.9 to 3.03 individuals/ha. Our results indicate that multiple mates were available for both sexes, characterizing a promiscuous mating system.</description><identifier>ISSN: 1616-5047</identifier><identifier>EISSN: 1618-1476</identifier><identifier>DOI: 10.1007/s42991-020-00040-y</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Animal Anatomy ; Animal Ecology ; Animal Systematics/Taxonomy/Biogeography ; Biomedical and Life Sciences ; Body weight ; Evolutionary Biology ; Fish & Wildlife Biology & Management ; Geospatial data ; Histology ; Life Sciences ; Morphology ; Original Article ; Promiscuity ; Zoology</subject><ispartof>Mammalian biology : Zeitschrift für Säugetierkunde, 2020-08, Vol.100 (4), p.365-375</ispartof><rights>Deutsche Gesellschaft für Säugetierkunde 2020</rights><rights>COPYRIGHT 2020 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c358t-ffa96809f58a6a91331ed0c377862aa1488adb47dd5fec3566902ea0d17ef5c43</citedby><cites>FETCH-LOGICAL-c358t-ffa96809f58a6a91331ed0c377862aa1488adb47dd5fec3566902ea0d17ef5c43</cites><orcidid>0000-0002-5392-9556</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s42991-020-00040-y$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s42991-020-00040-y$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Antunes, Pâmela</creatorcontrib><creatorcontrib>Oliveira-Santos, Luiz Gustavo Rodrigues</creatorcontrib><creatorcontrib>dos Santos, Thiago Mateus Rocha</creatorcontrib><creatorcontrib>de Menezes, Jorge Fernando Saraiva</creatorcontrib><creatorcontrib>Tomas, Walfrido Moraes</creatorcontrib><creatorcontrib>Forester, James D.</creatorcontrib><creatorcontrib>Fernandez, Fernando Antonio Santos</creatorcontrib><title>Mating system of Thrichomys fosteri in the Brazilian Pantanal: spatial patterns indicate promiscuity</title><title>Mammalian biology : Zeitschrift für Säugetierkunde</title><addtitle>Mamm Biol</addtitle><description>Animal mating systems provide key insights into the relationship between evolutionary processes and ecological factors such as the spatio-temporal fluctuation of resource abundance. Characteristics of mating systems can be inferred from the spatial distribution of conspecifics and the arrangement of reproductive pairs. Here we used home-range size and overlap for
Thrichomys fosteri
in the Brazilian Pantanal to infer the mating system on this echimyid rodent. Our aims were to verify the existence of sexual dimorphism, to test whether home-range size varied with the sex and body weight of the individuals, to evaluate the degree of home-range overlap, to estimate mean population density, and to infer individuals’ mating system. Twenty one individuals (15 males and six females) were radio tracked from 14 to 349 days, with the number of locations by individuals ranging from 19 to 193 locations. There was a male-biased sexual dimorphism in body weight where males were 1.36 times heavier than females. Males’ home-range size increased with their body weight, while for females there was no relationship. There was extensive home-range overlap between both sexes, and no evidence of territoriality. Mean population density ranged from 0.9 to 3.03 individuals/ha. Our results indicate that multiple mates were available for both sexes, characterizing a promiscuous mating system.</description><subject>Animal Anatomy</subject><subject>Animal Ecology</subject><subject>Animal Systematics/Taxonomy/Biogeography</subject><subject>Biomedical and Life Sciences</subject><subject>Body weight</subject><subject>Evolutionary Biology</subject><subject>Fish & Wildlife Biology & Management</subject><subject>Geospatial data</subject><subject>Histology</subject><subject>Life Sciences</subject><subject>Morphology</subject><subject>Original Article</subject><subject>Promiscuity</subject><subject>Zoology</subject><issn>1616-5047</issn><issn>1618-1476</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9kMtKAzEUQAdRsFZ_wFXAderNvDLjrhZfUNFFXYdrHm3KTKYk08X49aYdN4JIFjdczgnhJMk1gxkD4LchT-uaUUiBAkAOdDhJJqxkFWU5L0-P95IWkPPz5CKELUDKCigmiXrF3ro1CUPodUs6Q1Ybb-Wma4dATBeX3hLrSL_R5N7jl20sOvKOrkeHzR0Ju-hjQ-KIqAuRVVZir8nOd60Ncm_74TI5M9gEffUzp8nH48Nq8UyXb08vi_mSyqyoemoM1mUFtSkqLLFmWca0AplxXpUpIsurCtVnzpUqjI5KWdaQagTFuDaFzLNpcjO-u8ZGC-tM13uUh1-IOQfOIIs1IjX7g4pH6dbKzmlj4_6XkI6C9F0IXhux87ZFPwgG4pBfjPlFzC-O-cUQpWyUQoTdWnux7fY-Ngv_Wd9UD4lr</recordid><startdate>20200801</startdate><enddate>20200801</enddate><creator>Antunes, Pâmela</creator><creator>Oliveira-Santos, Luiz Gustavo Rodrigues</creator><creator>dos Santos, Thiago Mateus Rocha</creator><creator>de Menezes, Jorge Fernando Saraiva</creator><creator>Tomas, Walfrido Moraes</creator><creator>Forester, James D.</creator><creator>Fernandez, Fernando Antonio Santos</creator><general>Springer International Publishing</general><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-5392-9556</orcidid></search><sort><creationdate>20200801</creationdate><title>Mating system of Thrichomys fosteri in the Brazilian Pantanal: spatial patterns indicate promiscuity</title><author>Antunes, Pâmela ; Oliveira-Santos, Luiz Gustavo Rodrigues ; dos Santos, Thiago Mateus Rocha ; de Menezes, Jorge Fernando Saraiva ; Tomas, Walfrido Moraes ; Forester, James D. ; Fernandez, Fernando Antonio Santos</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c358t-ffa96809f58a6a91331ed0c377862aa1488adb47dd5fec3566902ea0d17ef5c43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Animal Anatomy</topic><topic>Animal Ecology</topic><topic>Animal Systematics/Taxonomy/Biogeography</topic><topic>Biomedical and Life Sciences</topic><topic>Body weight</topic><topic>Evolutionary Biology</topic><topic>Fish & Wildlife Biology & Management</topic><topic>Geospatial data</topic><topic>Histology</topic><topic>Life Sciences</topic><topic>Morphology</topic><topic>Original Article</topic><topic>Promiscuity</topic><topic>Zoology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Antunes, Pâmela</creatorcontrib><creatorcontrib>Oliveira-Santos, Luiz Gustavo Rodrigues</creatorcontrib><creatorcontrib>dos Santos, Thiago Mateus Rocha</creatorcontrib><creatorcontrib>de Menezes, Jorge Fernando Saraiva</creatorcontrib><creatorcontrib>Tomas, Walfrido Moraes</creatorcontrib><creatorcontrib>Forester, James D.</creatorcontrib><creatorcontrib>Fernandez, Fernando Antonio Santos</creatorcontrib><collection>CrossRef</collection><jtitle>Mammalian biology : Zeitschrift für Säugetierkunde</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Antunes, Pâmela</au><au>Oliveira-Santos, Luiz Gustavo Rodrigues</au><au>dos Santos, Thiago Mateus Rocha</au><au>de Menezes, Jorge Fernando Saraiva</au><au>Tomas, Walfrido Moraes</au><au>Forester, James D.</au><au>Fernandez, Fernando Antonio Santos</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mating system of Thrichomys fosteri in the Brazilian Pantanal: spatial patterns indicate promiscuity</atitle><jtitle>Mammalian biology : Zeitschrift für Säugetierkunde</jtitle><stitle>Mamm Biol</stitle><date>2020-08-01</date><risdate>2020</risdate><volume>100</volume><issue>4</issue><spage>365</spage><epage>375</epage><pages>365-375</pages><issn>1616-5047</issn><eissn>1618-1476</eissn><abstract>Animal mating systems provide key insights into the relationship between evolutionary processes and ecological factors such as the spatio-temporal fluctuation of resource abundance. Characteristics of mating systems can be inferred from the spatial distribution of conspecifics and the arrangement of reproductive pairs. Here we used home-range size and overlap for
Thrichomys fosteri
in the Brazilian Pantanal to infer the mating system on this echimyid rodent. Our aims were to verify the existence of sexual dimorphism, to test whether home-range size varied with the sex and body weight of the individuals, to evaluate the degree of home-range overlap, to estimate mean population density, and to infer individuals’ mating system. Twenty one individuals (15 males and six females) were radio tracked from 14 to 349 days, with the number of locations by individuals ranging from 19 to 193 locations. There was a male-biased sexual dimorphism in body weight where males were 1.36 times heavier than females. Males’ home-range size increased with their body weight, while for females there was no relationship. There was extensive home-range overlap between both sexes, and no evidence of territoriality. Mean population density ranged from 0.9 to 3.03 individuals/ha. Our results indicate that multiple mates were available for both sexes, characterizing a promiscuous mating system.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s42991-020-00040-y</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0002-5392-9556</orcidid></addata></record> |
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| subjects | Animal Anatomy Animal Ecology Animal Systematics/Taxonomy/Biogeography Biomedical and Life Sciences Body weight Evolutionary Biology Fish & Wildlife Biology & Management Geospatial data Histology Life Sciences Morphology Original Article Promiscuity Zoology |
| title | Mating system of Thrichomys fosteri in the Brazilian Pantanal: spatial patterns indicate promiscuity |
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