Figure 2
From: Contribution of ammonia oxidation to chemoautotrophy in Antarctic coastal waters

Abundance of Thaumarchaeota ureC genes in samples from Antarctic continental shelf waters compared with the abundance of (a) archaeal amoA and (b) Thaumarchaeota rrs genes in the same sample. Symbols represent water masses and dates sampled as in Figure 1. Lines of slope=1 are shown for reference.