Intertidal Boundaries

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Written by minustide

Just four photos portraying familiar beach and rocky intertidal boundaries. These boundaries frequently serve as frames of reference for my intertidal tales.

Beach Boundaries

A tuft of beachgrass Ammophila creeping down the seaward side of the foredune.
A pioneering beachgrass Ammophila forges down off the safety of the foredune onto the backshore
Big driftwood resting up on the backshore. Beach and the surf zone in the mid ground and a distant headland. Cloudy sky.
A wrack line forms when king tides and storm surge push all the big wood up onto a shelf on the backshore

Boundaries on the Rocks

A clean boundary between Anthopleura elegantisimma and A. xathogrammica
Boundaries between the anemones Anthopleura elegantissima and A. xathogrammica come and go
In a crowded world, the chiton, Katharina tunicata, creates boundaries by maintaining a little open space

In response to The Daily Post’s weekly photo challenge: “Boundaries.”

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