There were also significant differences in total abundance among station (Fig. 5, F= 2.317 ,P= 0.009); however, post hoc test showed that this difference was driven by a station at the mouth of Narragabsett Bay (station 8) which had very low total abundance (e.g. station 8 versus station 10 P= 0.03, all other comparisons not involving station 8 P>0.4).