Figure 3.

Clustered display of chlorophyll profile data for 57 species. Dendrogram showing the relationship among species chlorophyll profiles (A). The presence of six major profile schemes (groups a–f) is indicated. Mean chlorophyll profiles of the species in each cluster are shown in B. Chlorophyll content (as a percentage of the absolute chlorophyll maximum) is displayed as a function of relative depth (percentage depth from upper to lower edge of mesophyll). Points and error bars represent mean ± se. se bars less than ∼3.0 are below resolution.