R code Fig. 1

R code generating Fig. 1 in the pape

dryad-examples

Example R-code generating Figs. 1, 2 and 3 in the paper, a contourplot of the joint evolutionary outcome, as well as code solving for the joint evolutionary outcome and simulating the process. Calls the functions in mismatch-uv.r which needs to be in the working directory

mismatch-uv.r

R-functions for simulating the process, solving for the joint evolutionary outcome and for generating the different plots in the paper

Simulation code

Simulation code in R and C, which can be opened in any text editor, and some simulated data. See README file and comments in .r files for details

Simulations

The code for the simulations used in the article to test the statistical method

Functions

This source file includes functions used for the analysis of the datasets in the file examples.

data

This R workspace includes the data of the case study on Hoge Veluwe great tits, to be used in the source file examples.r, which also includes a description of the data

Simulation_analysis

Code for compiling and analyzing the output of the simulations in Simulations.r, and plot the figures in the article

examples

This file includes a tutored example of analysis using a simulation, followed by the analysis of the case study on Hoge Veluwe great tits

Endoparasite Infection Has Both Short- and Long-Term Negative Effects on Reproductive Success of Female House Sparrows, as Revealed by Faecal Parasitic Egg Counts

<div><p>Parasites have the potential to severely reduce host reproductive success. However, the effects of endoparasites on reproductive success have not received the same amount of attention as the effects of parasites on host survival. We investigated the relationship between an avian endoparasite (gapeworm, <i>Syngamus trachea</i>) and both current and future reproductive success of female house sparrows (<i>Passer domesticus</i>) in a population on the coast of Helgeland, northern Norway. We found that the proportion of eggs in a nest that failed to develop into fledglings increased as the faecal parasitic egg count of the mothers increased. We also found that juvenile females with high numbers of parasitic eggs in their faeces had lower lifetime reproductive success as adults. However, we did not find a relationship between maternal parasite infection and clutch size or recruitment rate of offspring. To our knowledge this is the first study to find a relationship between reproductive success of an avian host and faecal egg count of an endoparasite. The present study indicates that infection by an endoparasite may be associated with lower individual reproductive success in both the short-term and long-term in a wild population of hosts.</p></div