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.
Summary of studies reporting species roles across each of the seven biogeographic realms. Across the top, capital ‘N’ represents the total number of published studies within each biogeographic realm, whereas the lowercase ‘n’ refers to the number of studies that reported participant roles, which were used to calculate the percentages shown.
