The Econs group, with whom we shared a CYTED collaboration grant (the “Econs” network), and with whom we published a few papers. See Vázquez et al. (2012) Rev. Bol. Ecol. Cons. Amb. and Vázquez et al. (2015) Biol. Rev.
Why interactio? No, we didn't misspell it. It means interaction in latin. Why latin? For no particular reason, we just liked it. Also, our logo represents an ecological network in which species or individuals (colored circles) are connected by interactions (grey lines); it was designed by Virginia Chirilá.