Table 3. Similarity indices and unique fractions for hypervolumes by the different seasons of the year.

Unique fraction 1 = volume of unique component of 1 divided by volume of 1 and Unique fraction 2 = volume of unique component of 2 divided by volume of 2.

Seasons	Jaccard	Sorensen	Unique fraction 1	Unique fraction 2
Autumn vs Winter	0.254	0.405	0.176	0.732
Spring vs Summer	0.463	0.633	0.402	0.327