Sanak Archipelago Food Webs (IMAGE) Santa Fe Institute Caption Vertical axis indicates trophic level. Sphere color indicates type of taxon: green?=?algae, blue?=?miscellaneous (e.g., detritus, protozoa, bacteria, biofilm, lichen, seagrass), yellow?=?invertebrates, orange?=?fishes, red?=?mammals, purple?=?birds. Red arrows point to Homo sapiens. (a) Sanak intertidal web. (b) Sanak nearshore web. (c,d) Sanak intertidal and nearshore webs showing resources of Homo sapiens in color. (e,f) Sanak intertidal and nearshore webs showing taxa within two links of Homo sapiens in color. Credit Jennifer Dunne, Santa Fe Institute. Images created with Network3D72,73, available freely by request to email@example.com. Usage Restrictions With credit to the Santa Fe Institute License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.