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Table 6

Comparison of our results with previous studies (see Sect. 4.4 for details).

Birth events Previous studies Present study Present study
(fractional instantaneous flux) (fractional maximum flux)

Appearance 12% (Lamb et al. 2008) 12% 19.1%

Fragmentation 76% (Lamb et al. 2008) 44.5% splitting 41.8% splitting
(splitting or merging) 41.5% merging 36.5% merging

Emergence 1% (Lamb et al. 2008) 1% 2%

Death events Previous studies Present study Present study
(instantaneous flux) (maximum flux)

Disappearance 83% (Lamb et al. 2013) 86% 85%

Cancellation 12% (Lamb et al. 2013) 14% 15%

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