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.
Age-specific sensitivity of bison mass to variation in climate calculated on an absolute basis (a,b) and relative to the average mass of individuals at a given age (c,d) for June precipitation (a,c) and mean annual temperature (b,d). Smoothing splines used to connect individual points.
