Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
As predicted, the trophic level of species in 58 empirical food webs show a saturating increase with the number of prey items, although food webs vary in how fast that saturation occurs. Gray dots are the values for both quantities in each species of the food web. Red lines are best fit lines with 95% prediction lines in dashed black. Food web names in order of appearance in SI Appendix, Appendix E.
