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. 2023 Jan 6;13:1102013. doi: 10.3389/fmicb.2022.1102013

Figure 1.

Figure 1

Location of the sampling areas and sampling strategy. (A) Samples were collected from Z. marina beds growing at Futtsu clam-digging beach, Chiba Prefecture, Japan, in July and September 2019. (B) At each sampling time, samples were collected from Z. marina plant parts (PP), such as the phyllosphere/leaves (1–4; L1, L2, L3, and L4), rooting zone (5; RR: root-rhizome), and surrounding environments (ESW, eelgrass surrounding water; RS, rhizosphere sediment) and control environment (BSW, bulk seawater; BS, bulk sediment). Within the phyllosphere sample, L1 is considered the youngest leaves, followed by older leaves L2 and L3, whereas L4 is the decayed leaves. Seawater samples were filtered for seawater microenvironment (i.e., T: total (PA + FL); PA, particle-associated; FL, free-living fraction; *white fonts).