Table 1.

Explanation of the indices used in the analyses. Groups of the indices (a–d) correspond to the groups in figure 1. Note that Ssh, Seve, Stot, as well as all indices in the groups (b,d) can be weighted by numerical or biomass abundances.

	name	index	refs
(a)	Srich	species richness
	Seve	Pielous' J species evenness
	Ssh	Shannon diversity
	Stot	total abundances
(b)	CWM	community weighted means	[35]
(c)	FRdendr	functional richness	[8,9]
	FRminvol	functional richness	[11]
(d)	FDdendr.wc	weighted FRdendr	our adjusted index
	FDdendr.ac	weighted FRdendr	our adjusted index
	FDdis	functional dispersion	[10]
	FDeve	functional evenness	[11]
	FDdiv	functional divergence	[11]
	FDRao	Rao's quadratic entropy	[36]