Large, but dispersal-limited populations of the Marsh Fritillary Euphydryas aurinia persist on abandoned military training areas three decades after the end of the cold war

Data and R code related to the paper C. Schröer, D. Singer and J. Kamp (2024): Large, but dispersal-limited populations of the Marsh Fritillary Euphydryas aurinia persist on abandoned military training areas three decades after the end of the cold war. Ecology and Evolution 14 (10) e70459

Please cite any use of this work: https://doi.org/10.1002/ece3.70459

R scripts

The provided R-code can be used to reproduce the results of the paper, however it can also be adapted for use with own data.

01_prepare_data_and_basic_results.R

This script prepares the data for all following analyses and provides a basal descriptive analysis of the raw capture data (Figure 1).

02_recapture_distances.R

This script calculates the recapture flight distances and analyses differences in flight distances between males and females (Figure 2).

03_maps_aurinia.R

This script prepares the data for the following visualisation of capture densities and recapture connections in ggplot-maps for Hainich and Kriegberg (Figure 3). Due to storage capacity limitations of github, the orthophotos are not included. To fully reproduce the maps, orthophotos need to be manually downloaded from: https://geoportal.thueringen.de/gdi-th/download-offene-geodaten/download-luftbilder-und-orthophotos

04_population_models_HAINICH.R

This script models populations sizes based on the recapture data for the Hainich study site, including weather parameters (Table 1).

05_population_models_KRIEGBERG.R

This script models populations size based on the recapture data for the Kriegberg study site, including weather parameters (Table 1).