Data from: Fine-scale spatial covariation between infection prevalence and susceptibility in a natural population

Gibson AK, Jokela J, Lively CM

Date Published: February 22, 2016

DOI: http://dx.doi.org/10.5061/dryad.t89hc

 

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Title Gibson2016_AmNat_InfectionPrevalence
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Description Individual-based data for analysis of infection prevalence. Each row gives collection and dissection data for an individual female snail. Columns: 1) “year” gives year of collection (2006-2015); 2) “sites” gives site of collection (13 sites); 3) length” gives the shell length of the female in millimeters, a proxy for age; and 4) “mic” gives the infection status of the female (0 = healthy, 1 = Microphallus infection).
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Title Gibson2016_AmNat_ArtificialInoculations
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Description Infection data for exposed and control replicates in 2013, 2014, and 2015 artificial inoculations. Each row gives identifying information and infection data for an experimental replicate. Columns: 1) “year” gives the year of the artificial inoculation experiment (2013-2015); 2) “site” gives the site from which experimental juveniles were collected (13 sites); 3) “treatment” gives experimental treatment. Control replicates did not receive parasites and are marked as 0. Infections in control replicates were acquired prior to collection of juvenile snails from the field and reflect early-life exposure to parasites. Exposed replicates received field-collected parasites and are marked as 1. Infections in exposed replicates are the sum of infections acquired in the field and after exposure to high doses of parasites. Susceptibility is defined as the infection rate in exposed replicates; 4) “source” applies to the 2014 artificial inoculation experiment in which two distinct sources of parasites were used for inoculations. Replicates exposed to source 1 (southern end of lake) are marked as 1, replicates exposed to source 2 (northeastern site, JMS) are marked as 2, and control replicates are marked as 0; 5) “replicate” indicates the experimental replicate, nested with year*site; 6) “uninfected” gives the number of female snails that were healthy in the experimental replicate; and 7) “infected” gives the number of female snails infected with Microphallus in the experimental replicate.
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Title Gibson2016_AmNat_GPSCoordinates
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Description GPS coordinates used in spatial analyses of infection prevalence and susceptibility. Latitude and longitude given in decimal degrees. Coordinates obtained in Google Earth.
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Title Gibson2016_AmNat_GeographicDistance
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Description Geographic distances used in Mantel tests for infection prevalence and susceptibility. Straight line distances given in meters. Distances obtained in Google Earth.
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Title Gibson2016_AmNat_Mortality
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Description Mortality data for 2013, 2014, and 2015 artificial inoculations. Each row gives identifying information and infection data for an experimental replicate. Columns: 1) “year” gives the year of the artificial inoculation experiment (2013-2015); 2) “site” gives the site from which experimental juveniles were collected (13 sites); 3) “treatment” gives experimental treatment. Control replicates did not receive parasites and are marked as 0. Infections in control replicates were acquired prior to collection of juvenile snails from the field and reflect early-life exposure to parasites. Exposed replicates received field-collected parasites and are marked as 1; 4) “source” applies to the 2014 artificial inoculation experiment in which two distinct sources of parasites were used for inoculations. Replicates exposed to source 1 (southern end of lake) are marked as 1, replicates exposed to source 2 (northeastern site, JMS) are marked as 2, and control replicates are marked as 0; 5) “replicate” indicates the experimental replicate, nested with year*site; 5) “total” gives the total number of female snails in the experimental replicate at initiation of the experiment; 6) “present” gives the number of female snails that were present (i.e. alive) at the time of dissection of the experimental replicate; and 7) “absent” is “total” minus “present” – the number of female snails missing (i.e. presumed dead) at the time of dissection of the replicate.
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When using this data, please cite the original publication:

Gibson AK, Jokela J, Lively CM (2016) Fine-scale spatial covariation between infection prevalence and susceptibility in a natural population. The American Naturalist 188(1): 1-14. http://dx.doi.org/10.1086/686767

Additionally, please cite the Dryad data package:

Gibson AK, Jokela J, Lively CM (2016) Data from: Fine-scale spatial covariation between infection prevalence and susceptibility in a natural population. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.t89hc
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