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.
a) Representation of the hierarchical analysis of effect size. b) Visual representation of the effect size (ES) calculation. Most studies do not describe initial conditions, thus, the pre-disturbance line is hypothetical; these are likely to be different between control and treatment when referring to natural gradients (diversity, fertility and soil moisture).
