Attributes / relations provided by
♦ ¹Trophic structure and flows of energy in the Huizache–Caimanero lagoon complex on the Pacific coast of Mexico; Manuel J. Zetina-Rejón, Francisco Arreguı́n-Sánchez, Ernesto A. Chávez; Estuarine, Coastal and Shelf Science 57 (2003) 803–815
♦ ²Food Web Relationships of Northern Puget Sound and the Strait of Juan de Fuca : a Synthesis of the Available Knowledge, Charles A. Simenstad, Bruce S. Miller, Carl F. Nyblade, Kathleen Thornburgh, and Lewis J. Bledsoe, EPA-600 7-29-259 September 1979