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Biodiversity Sampling Using a Global Acoustic Approach: Contrasting Sites with Microendemics in New Caledonia

Figure 3

Number of frequency peaks.

A: Boxplot of the number of frequency peaks measured on the mean spectrum of all recordings according to the activity level (Medium to High, Low or Null) assessed by ear (A.G.). B: Boxplot of the number of peaks measured on the mean spectrum of the recordings after noise reduction according to the sites. Similar letters above boxplots indicate no significant differences found by the Mann-Whitney test corrected with Holm correction.

Figure 3

doi: https://doi.org/10.1371/journal.pone.0065311.g003