Figure 2. Alpha diversity of bacterial communities associated with marine, maritime and inland terrestrial lichens, and in seawater.

The richness ((A) Observed OTUs and (B) Abundance-based Coverage Estimator (ACE) of species richness), and diversity ((C) Shannon diversity and (D) Simpson diversity) metrics for the lichen species or seawater bacterial communities are displayed by position on the littoral zone for the marine and maritime lichens and the lichens from Austria are plotted as the Terrestrial category.