highly significantp < 0.01
The final model for this species found that there was a highly significant probability of S. clava being present in a marina as seawall length increased ( β = 3.31, p < 0.01), total pontoon length exceeded 1100 m ( β = 2.87, p < 0.01) and where marinas were classified as ‘open’ compared with ‘enclosed’ ( β = 2.24, p < 0.05).