Reference citation:
M. Rejmanek, and P. Stary. (1979). Connectance in real biotic communities and critical values for stability of model ecosystems. Nature letters. 280, pp. 311-313.

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:
M. Rejmanek and P. Stary, 1979. Connectance in real biotic communities and critical values for stability of model ecosystems. Nature 280:311-313, from p. 312.

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