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Figure 2. Attributes of size and spatial distribution for the levee-beach ridge habitat: tidal flats, Andros Island. A. Area-Exceedance probability (E.P.), both on log scales. E.P. is equal to the ranking in size, from largest to smallest, divided by the (number of samples + 1), and it represents the cumulative probability P[X>=x] that a given patch of area X has an area larger than x. B. Lacunarity-Box size, both on log scales. Lacunarity describes gap size distribution between patches of the same habitat, for a range of box sizes. Both have general power-law scaling relationships (lines).