Figure 3. Superimposed ordination of the environmental characteristics and behavioral traits of the species of Zygoptera ( A ) and of the species with these traits ( B ) sampled in two regions of the eastern Amazon. V1 habitat integrity index, V2 electrical conductivity, V3 dissolved oxygen, V5 small woody debris, V6 litter, V11 mean slope, V12 substrate D50, V19 volume of wood, V21 substrate of fine sediment, V25 fast flowing water, V26 mean catchment slope, V28 secondary forest in the Riparian Network, V29 non-forest land use intensity at the site.