Fig. 3.
Reponses of above-ground net primary productivity (ANPP) and below-ground net primary productivity (BNPP) at community level to N and water addition. CK, control; W, water addition; N, N addition; WN, combined addition of N and water.
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.