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.
F v/Fm values for males and females over time. Each point represents a mean of 12 Ceratodon purpureus individuals (four from each population) in three common-garden populations. Error bars indicate the s.e. A repeated measure ANOVA showed a significant effect of sex (P = 0.02) and a significant interaction between time and sex (P = 0.02); asterisks indicate significant differences between males and females for t-tests at each date (*P < 0.05, **P < 0.01, ***P < 0.001).
