Reference citation:
Rosenthal, R. J. and J. R. Chess. 1972. A predator-prey relationship between the leather star, Dermasterias imbricata, and the purple urchin, Strongylocentrotus purpuratus. Fishery Bulletin (Seattle) 70:205-216.

Source citation:
Southern California Bight Kelp Forest Food Web data provided by Jarrett Byrnes. Also available at https://doi.org/10.1111/j.1365-2486.2011.02409.x

Source archive URL:
https://github.com/globalbioticinteractions/byrnes/archive/bbdd207ba89302311d55afa1118e4f450f90d526.zip

Reference citation:
Rosenthal, R.J., Clarke, W.D. and Dayton, P.K. (1974). Ecology and natural history of a stand of giant kelp, Macrocystis pyrifera, off Del Mar, California. Fish. Bull. (Dublin). 72(3):670-684.

Source citation:
Global Web Database (http://globalwebdb.com): an online collection of food webs. Accessed via https://www.globalwebdb.com/Service/DownloadArchive on 2017-10-12.

Source archive URL:
https://github.com/globalbioticinteractions/globalwebdb/archive/12f2c1ad026e634aea47dc40c0a5e9d463165058.zip

Reference citation:
R. J. Rosenthal, W. D. Clarke, P. K. Dayton, Ecology and natural history of a stand of giant kelp, Macrocystis pyrifera, off Del Mar, California. Fish. Bull. (Dublin) 72(3):670-684, from p. 683 (1974).

Source citation:
Semantic Prototypes in Research Ecoinformatics (SPIRE). Data provided by Joel Sachs. See also http://ebiquity.umbc.edu/get/a/publication/297.pdf .

Source archive URL:
https://github.com/globalbioticinteractions/spire/archive/b2f52536ed93797820e4295fe1097310d37ddbaa.zip