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. 2021 Nov 2;16(4):937–947. doi: 10.1038/s41396-021-01146-y

Fig. 2. Microbial community composition gradually changes along a terrestrial-hydrological continuum and diverges between seasons.

Fig. 2

Overall PCoA analysis of DNA samples. The PCoA reveals microbial community shifts from terrestrial to freshwater samples. Habitat types ranged from soils, soilwaters, streams and headwater ponds (sampled in headwater stream network, Stahler orders 0-4), tributaries (sampled at the confluence to the mainstem, Strahler orders 1–5), riverine lakes (northernmost lakes through which the Romaine river flows), reservoirs, sections along the mainstem (Strahler order 6–7) upstream and downstream of the reservoir complex (upriver and downriver, respectively), and the estuary. Spring and summer/autumn show distinct paths in multivariate space. Percentage of variance explained are given in brackets for the first and second axes.