only marginally significantp = 0.05
Chl -a density inside exclosures was 5.3 mg m −2 (54.4 mg m −2 ; n = 54, ±95% CI 3.33) higher than the adjacent control plots (49.1 mg m −2 ; n = 54, ±95% CI 3.14) and was only marginally significant (t = 3.00, p = 0.05).