Figure 5. Variation in holothurian species composition between +Fe and HNLC sites.
a. Dendrogram representation using group-average clustering. Based on trawl (A–F) catch data standardized to area fished, subject to log(x+1) transformation and assessed with Bray-Curtis similarity coefficient. b. Non-metric multidimensional scaling ordination plot (ordination stress = 0) for the same data.