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.
Endemic species richness and cacao yield do not covary. Relation between species richness of (A) butterflies and (B) birds endemic to the Sulawesi region and yield in smallholder cacao agroforestry plots. Broken lines are intercept-only linear models (regression not significant at the 95% level). n = 43 for butterfly and bird data.
