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.
Individual-level responses to browser exclusion. (a) Mean height (black bars) and canopy area (grey bars), June 2012. (b) Proportional mortality, April–June 2012. (c) Probability of reproduction (black bars) and estimated reproductive output (grey bars), September 2011. (d) Standing fruit crop, February 2011. Letters show significant differences.
