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Ancient Clam Gardens Increased Shellfish Production: Adaptive Strategies from the Past Can Inform Food Security Today

Figure 4

Site Descriptions: Intertidal Height by Tidal Station.

Intertidal height (mean +/–SE) and relative slope (▵y/▵x) from top of clam habitat (tidal station = 1) to top of rock wall feature in clam gardens and ∼1.0 m above LLWLT in non-walled beaches (tidal station = 15).

Figure 4

doi: https://doi.org/10.1371/journal.pone.0091235.g004