Data from: Actuarial senescence in a dimorphic bird: different rates of aging in morphs with discrete reproductive strategies
| Main Authors: | Grunst, Melissa L., Grunst, Andrea S., Formica, Vincent, Korody, Marisa L., Betuel, Adam M., Barcelo-Serra, Margarida, Gonser, Rusty A., Tuttle, Elaina M., Formica, Vincent A. |
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| Format: | info dataset Journal |
| Terbitan: |
, 2018
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| Subjects: | |
| Online Access: |
https://zenodo.org/record/4988755 |
| ctrlnum |
4988755 |
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| fullrecord |
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<dc schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><creator>Grunst, Melissa L.</creator><creator>Grunst, Andrea S.</creator><creator>Formica, Vincent</creator><creator>Korody, Marisa L.</creator><creator>Betuel, Adam M.</creator><creator>Barcelo-Serra, Margarida</creator><creator>Gonser, Rusty A.</creator><creator>Tuttle, Elaina M.</creator><creator>Formica, Vincent A.</creator><date>2018-11-09</date><description>It is often hypothesized that intra-sexual competition accelerates actuarial senescence, or the increase in
mortality rates with age. However, an alternative hypothesis is that parental investment is more important to determining senescence rates. We used a unique model system, the white-throated sparrow (Zonotrichia albicollis), to study variation in actuarial senescence. In this species, genetically-determined morphs display discrete mating strategies and disassortative pairing, providing an excellent opportunity to test the predictions of the above hypotheses. Compared to tan-striped males, white-striped males are more polygynous and aggressive, and less parental. Tan-striped females receive less parental support, and invest more into parental care than white-striped females, which are also more aggressive. Thus, higher senescence rates in males and white-striped birds would support the intra-sexual competition hypothesis, whereas higher senescence rates in females and tan-striped birds would support the parental investment hypothesis. White-striped males showed the lowest rate of actuarial senescence. Tan-striped females had the highest senescence rate, and tan-striped males and white-striped females showed intermediate, relatively equal rates. Thus, results were inconsistent with sexual selection and competitive strategies increasing senescence rates. Rather, results suggest that senescence may be accelerated by female-biased parental care, and lessened by sharing of parental duties.</description><description>White-throated sparrow birth and death yearsThis data package contains the datasets used to examine rates of actuarial senescence in the four morph-sex classes of the white-throated sparrow (Zonotrichia albicollis) in R package BaSTA. Three files total are required: (1) A birth-death year file, containing the birth and death years (unknown entered as 0) for all individuals included in the data set, (2) A survival matrix, with a line entered for each time an individual was re-sighted, (3) A covariate matrix, listing the sex and morph of each individual. This is the birth-death year file.WTSP Birth Death Years.xlsxWhite-throated sparrow survivorship dataThis file contains the datasets used to examine rates of actuarial senescence in the four morph-sex classes of the white-throated sparrow (Zonotrichia albicollis) in R package BaSTA. Three files total are required: (1) A birth-death year file, containing the birth and death years (unknown entered as 0) for all individuals included in the data set, (2) A survival file, with a line entered for each year in which an individual was re-sighted, (3) A covariate matrix, listing the sex and morph of each individual. This is the survivorship data.WTSP Survivorship Data.csvWTSP CovariatesThis file contains the datasets used to examine rates of actuarial senescence in the four morph-sex classes of the white-throated sparrow (Zonotrichia albicollis) in R package BaSTA. Three files total are required: (1) A birth-death year file, containing the birth and death years (unknown entered as 0) for all individuals included in the data set, (2) A survival matrix, with a line entered for each time an individual was re-sighted, (3) A covariate matrix, listing the sex and morph of each individual. This is the covariate file.</description><identifier>https://zenodo.org/record/4988755</identifier><identifier>10.5061/dryad.bq8n45v</identifier><identifier>oai:zenodo.org:4988755</identifier><relation>doi:10.1098/rspb.2018.2053</relation><relation>url:https://zenodo.org/communities/dryad</relation><rights>info:eu-repo/semantics/openAccess</rights><rights>https://creativecommons.org/publicdomain/zero/1.0/legalcode</rights><subject>White throated sparrow</subject><subject>Zonotrichia albicollis</subject><subject>dimorphism</subject><subject>Intrasexual competition</subject><title>Data from: Actuarial senescence in a dimorphic bird: different rates of aging in morphs with discrete reproductive strategies</title><type>Other:info:eu-repo/semantics/other</type><type>Other:dataset</type><recordID>4988755</recordID></dc>
|
| format |
Other:info:eu-repo/semantics/other Other Other:dataset Journal:Journal Journal |
| author |
Grunst, Melissa L. Grunst, Andrea S. Formica, Vincent Korody, Marisa L. Betuel, Adam M. Barcelo-Serra, Margarida Gonser, Rusty A. Tuttle, Elaina M. Formica, Vincent A. |
| title |
Data from: Actuarial senescence in a dimorphic bird: different rates of aging in morphs with discrete reproductive strategies |
| publishDate |
2018 |
| topic |
White throated sparrow Zonotrichia albicollis dimorphism Intrasexual competition |
| url |
https://zenodo.org/record/4988755 |
| contents |
It is often hypothesized that intra-sexual competition accelerates actuarial senescence, or the increase in
mortality rates with age. However, an alternative hypothesis is that parental investment is more important to determining senescence rates. We used a unique model system, the white-throated sparrow (Zonotrichia albicollis), to study variation in actuarial senescence. In this species, genetically-determined morphs display discrete mating strategies and disassortative pairing, providing an excellent opportunity to test the predictions of the above hypotheses. Compared to tan-striped males, white-striped males are more polygynous and aggressive, and less parental. Tan-striped females receive less parental support, and invest more into parental care than white-striped females, which are also more aggressive. Thus, higher senescence rates in males and white-striped birds would support the intra-sexual competition hypothesis, whereas higher senescence rates in females and tan-striped birds would support the parental investment hypothesis. White-striped males showed the lowest rate of actuarial senescence. Tan-striped females had the highest senescence rate, and tan-striped males and white-striped females showed intermediate, relatively equal rates. Thus, results were inconsistent with sexual selection and competitive strategies increasing senescence rates. Rather, results suggest that senescence may be accelerated by female-biased parental care, and lessened by sharing of parental duties. White-throated sparrow birth and death yearsThis data package contains the datasets used to examine rates of actuarial senescence in the four morph-sex classes of the white-throated sparrow (Zonotrichia albicollis) in R package BaSTA. Three files total are required: (1) A birth-death year file, containing the birth and death years (unknown entered as 0) for all individuals included in the data set, (2) A survival matrix, with a line entered for each time an individual was re-sighted, (3) A covariate matrix, listing the sex and morph of each individual. This is the birth-death year file.WTSP Birth Death Years.xlsxWhite-throated sparrow survivorship dataThis file contains the datasets used to examine rates of actuarial senescence in the four morph-sex classes of the white-throated sparrow (Zonotrichia albicollis) in R package BaSTA. Three files total are required: (1) A birth-death year file, containing the birth and death years (unknown entered as 0) for all individuals included in the data set, (2) A survival file, with a line entered for each year in which an individual was re-sighted, (3) A covariate matrix, listing the sex and morph of each individual. This is the survivorship data.WTSP Survivorship Data.csvWTSP CovariatesThis file contains the datasets used to examine rates of actuarial senescence in the four morph-sex classes of the white-throated sparrow (Zonotrichia albicollis) in R package BaSTA. Three files total are required: (1) A birth-death year file, containing the birth and death years (unknown entered as 0) for all individuals included in the data set, (2) A survival matrix, with a line entered for each time an individual was re-sighted, (3) A covariate matrix, listing the sex and morph of each individual. This is the covariate file. |
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ZAIN Publications |
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Cognizance Journal of Multidisciplinary Studies |
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