Data from: Within-population covariation between sexual reproduction and susceptibility to local parasites

Gibson AK, Xu JY, Lively CM

Date Published: June 29, 2016

DOI: http://dx.doi.org/10.5061/dryad.811h1

 

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Title coordinates
Description This file contains the latitude and longitude for each of the 13 sites sampled in this study. Coordinates were obtained from Google Earth. Data columns are as follows: (1) site (n=13); (2) latitude; (3) longitude.
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Title experimental data
Description This file contains the full results of the inoculation experiment from which susceptibility and the proportion of sexual females were determined for 13 sites in each of three years. Juvenile snails from each were exposed to high doses of parasites from Lake Alexandrina. Following parasite development, snails were evaluated for sex, infection and reproductive mode. Data columns are as follows: (1) year (n=3; 2013, 2014, and 2015); (2) site (n=13); (3) replicate (n=3-6 depending on year); (4) sexual: number of sexual females in the replicate; (5) asexual: the number of asexual females; (6) healthy: the total number of healthy females; (7) infected: the total number of females infected with Microphallus; (8) healthy_sexual: the number of healthy, sexual females; (9) infected_sexual: the number of sexual females infected with Microphallus. Columns 4 and 5 give the proportion of sexual females at a site. Columns 6 and 7 give overall susceptibility, while 8 and 9 give susceptibility of sexual females only. In 2014, the proportion of sexual females was obtained from 6 experimental replicates, and susceptibility from 3.
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Title temporal change
Description This file contains the change in susceptibility and proportion sexual females at each site through time. The change is calculated as the value in 2015 minus the value in 2013. Data columns are as follows: (1) site (n=13); (2) sex: change in the proportion of sexual females; (3) susceptibility: change in overall susceptibility; (4) sexual_susceptibility: change in susceptibility of sexual females.
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Title prevalence
Description This file contains the length-corrected estimates of infection prevalence for each site in 2013 through 2015. Length-corrected estimates are given for all females and for sexual females only. The length-corrected estimates of infection prevalence for all females were obtained from Gibson et al. (2016, Am Nat). The raw data for those estimates are associated with that publication – Dryad Digital Repository: http://dx.doi.org/10.5061/dryad.t89hc. The length-corrected estimates of infection prevalence for sexual females only were obtained in the same manner as described in Gibson et al. (2016, Am Nat): they are the estimated marginal means for infection prevalence obtained from a generalized linear model with site, year, their interaction and shell length (mm, covariate) as predictors of the probability of infection of an individual, sexual female. The raw data for those estimates are included in this Dryad data package, with field_data.csv. Infection prevalence of sexual females was only available for 2014-2015. Data columns are as follows: (1) year (n=3); (2) site (n=13); (3) prevalence_lc: length-corrected prevalence for all females; (4) prevalence_sexual_lc: length-corrected prevalence for sexual females.
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Title field data
Description This file contains data for individual female snails collected from our 13 field sites in 2014 and 2015. These data were used in validating our results for variation in the proportion of sexual females between sites and for estimating the infection prevalence of sexual females. Data columns are as follows: (1) year (n=2); site (n=13); (3) length: shell length in millimeters; (4) infected: 0 for healthy, 1 for castrated with Microphallus; (5) ploidy: 2 for diploid sexual and 3 for triploid asexual.
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When using this data, please cite the original publication:

Gibson AK, Xu JY, Lively CM (2016) Within-population covariation between sexual reproduction and susceptibility to local parasites. Evolution 70(9): 2049-2060. http://dx.doi.org/10.1111/evo.13001

Additionally, please cite the Dryad data package:

Gibson AK, Xu JY, Lively CM (2016) Data from: Within-population covariation between sexual reproduction and susceptibility to local parasites. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.811h1
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