[Primer-E] - ANOSIM Global R significance level


New Member
I ran a two-way (year x protection level) ANOSIM on benthic data, and for the protection level factor got a Global R of 0.091 and a Significance level of 0.1%. How can such a low R value be a significant result? Could someone help me interpret or unravel this?
Thanks in advance!


Super Moderator
A few questions:

How big is your sample size?
Can you post the output and an ordination plot of your results and;
Is this a two-way design with or without replication?