Fig. 2.
Dry biomass accumulation by 1 cm2 Syntrichia caninervis populations in response to different levels of N addition (mean ± s.e., n = 4). Different letters above a bar indicate a significant difference (P < 0·05).
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.