Behavioral data and analyses of competitive interactions between invasive and native ant species [from Cordonnier et al. 2021, Animals]

This README accompanies the files "data_Cordonnier_Animals.txt" & "script_Cordonnier_Animals.txt"

Associated publication : 

The native ant Lasius niger can limit the access to resources of the invasive Argentine ant

M. Cordonnier, O. Blight, E. Angulo, and F. Courchamp

Published in Animals

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The data are in table form with TABs as variables field delimiters so they can be readily imported in any statistical package or spreadsheet program. Please, contact me if you need the file formatted otherwise. 

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Variable names and descriptions

Status_Lh            status of Linepithema humile (Colonizer or Resident)       

opp                      species of the opponent

combirc                combination of status and species interacting

temp                    temperature during the test

hygro                   hygrometry during the test

categ                    interacting species combination

n_deadtot_opp       total number of dead opponent workers

t_50dead_opp        time when 50% of the opponent mortality load have been diagnosed

t_interact              time of the first interaction between L. humile and opponent workers

t_maxfights           time when the maximal number of simultaneous fights occurs

ET_fights              standard deviation of the numbers of fights over time

mean_fights          mean number of simultaneous fights during the contest

n_deadtot_Lh        total number of dead workers of L. humile

t_50dead_Lh         time when 50% of the L. humile mortality load have been diagnosed

t_arena_opp          time of the opponent entrance in the arena

t_bait_opp             time of opponent resources’ discovery

t_maxarena_opp    time when the max. number of opponent workers occurs in the arena

mean_arena_opp   mean number of opponent workers simultaneously present in the whole arena

t_maxbait_opp       time when the maximal number of opponent workers on the bait occurs

mean_bait_opp      mean number of opponent workers on the bait

t_arena_Lh            time of the entrance in the arena of L. humile

t_maxarena_Lh     time when the max. number of workers of L. humile occurs in the arena

mean_arena_Lh     mean number of L. humile workers simultaneously present in the whole arena

n_totprey_Lh         total number of preys brought by L. humile

t_bait_Lh               time of resources’ discovery by L. humile

t_maxbait_Lh        time when the maximal number of L. humile individuals on the bait occurs

ETbait_Lh             standard deviation of the numbers of L. humile workers on the bait over time

mean_bait_Lh        mean number of L. humile workers on the bait

t_50prey_Lh          time when 50% of the final prey load

******************************** CONTACT *********************************
Please contact me at:

Marion Cordonnier
e-mail: [e-mail]

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