Data from: Competition and cooperation in a synchronous bushcricket chorus

Hartbauer M, Haitzinger L, Kainz M, Römer H

Date Published: October 9, 2014

DOI: http://dx.doi.org/10.5061/dryad.q824f

 

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Title Mean time lag of males attending a chorus
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Description The time difference of chirps produced in a small chorus consisting of 4 males. Relative time differences were calculated by taking the leader signal as reference. Data is shown in Figure 2.
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Title Chorus_vs_Solo Chirp period
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Description The Chirp period (CP) of males either attending a small chorus consisting of four males and the average chirp period of the same males singing in isolation.
Download Chorus_vs_Solo Chirp period.xlsx (101.8 Kb)
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Title Signal amplitude in a Chorus
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Description The sound recording of the central microphone in small choruses consisting of four males was evaluated using a Spike2 macro. The rms and maximum amplitude values of either solo singing males and signals produced by four males simultaneously are shown in this table. Data is shown in Fig. 4B
Download Signal amplitude_Chorus_vs_solo.xlsx (208.9 Kb)
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Title Correlation between mean time lag, signal amplitude and signal duration
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Description A macro was used to evaluate the timing and signal amplitude of four males acoustically interacting in a chorus. Recording channel 2 - 5 contains the evaluation of microphone recordings of individual males. Channel 6 refers to the evaluation of the microphone positioned in the middle of the chorus. CP = chirp period. This data was used to correlate the average time difference between individual signals with the signal amplitude recorded by the central microphone (shown in figure 4C). This data was also used to calculate the correlation of the time lag of chirps produced by male individuals with the duration of their chirps (Figure 5).
Download DeltaT vs rmsAmplitude .xlsx (80.79 Kb)
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Title Simulation results: Active space of simulated males
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Description A Netlogo simulation was run to simulate the broadcast area of senders by taking the hearing threshold of receivers into account (active space). The extension of the broadcast area of simultaneously active senders with the same intensity is given as the percentage of active space relative to the active space of a lone singing male. Per capita male mating possibilities were calculated by assuming three different densities of equally distributed females. Data is shown in figure 6
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Title Female phonotaxis in two-choice trials
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Description Females given the possibility to approach either the left or right speaker simultaneously broadcasting different song models. Different chirp periods (CP) were presented simultaneously from different directions. Furthermore, identical song models were presented with a time lag of 70 ms and 140 ms. Data are summarized in figure 7
Download Phonotaxis Two Choice Trials.xlsx (21.46 Kb)
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Title Phonotaxis and female motivation: CP 1.0s vs 2.0s
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Description Mecopoda elongata females were given the possibility to approach one of two speakers. One is broadcasting a song model with a chirp period (CP) of 1.0 s and the other a song model with a CP of 2.0 s. Data show female choices and how often females were motivated to approach either speaker. A data summary of female motivation is shown in Fig. 7B
Download Phonotaxis and female motivation 1s vs 2s CP.xlsx (17.53 Kb)
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Title Female motivation to perform phonotaxis in two-choice trials
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Description Mecopoda elongata females were given the possibility to approach either of two speakers broadcasting different song models differing in chirp period (CP) or signal timing (time lag of 70 ms or 140 ms). The motivation of females to approach any speaker was evaluated and is summarized in Fig. 7B
Download Female motivation to perform phonotaxis.xlsx (11.85 Kb)
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Title Mate choice in four male choruses
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Description Females were given the choice to select a male among small choruses consisting of four simultaneously singing males. Females were released in the middle of the chorus and the chirps produced by males during phonotaxis were recorded and evaluated with the help of a Spike2 macro. Signal timing and signal duration was evaluated and summarized in this table. Based on this data it was possible to figure out signal parameters of selected males. Data are shown in figure 8.
Download Phonotaxis in 4male choruses.xlsx (34.73 Kb)
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When using this data, please cite the original publication:

Hartbauer M, Haitzinger L, Kainz M, Römer H (2014) Competition and cooperation in a synchronous bushcricket chorus. Royal Society Open Science 1: 140167. http://dx.doi.org/10.1098/rsos.140167

Additionally, please cite the Dryad data package:

Hartbauer M, Haitzinger L, Kainz M, Römer H (2014) Data from: Competition and cooperation in a synchronous bushcricket chorus. Dryad Digital Repository. http://dx.doi.org/10.5061/dryad.q824f
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