The dimensionality of ecological networks - Eklof, A; Jacob, U; Kopp, J; Bosch, J; Castro-Urgal, R; Chacoff, NP; Dalsgaard, B; de, Sassi C; Galetti, M; Guimaraes, PR; Beatriz, Lomascolo S; Gonzalez, AMM; et al. (ECOLOGY LETTERS, 2013)