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.
Non-metric multidimensional scaling (NMDS) plot using the Bray-Curtis dissimilarity matrix. The samples are colored based on the location, shaped based on the age category (“1” < 20 years, 20 < “2” < 70 years, “3” > 70 years) and labeled based on sex.
