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 pioneering dunegrass, Elymus, forges down off the safety of the foredune onto the backshoreA 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
Boundaries between the anemones Anthopleura elegantissima and A. xathogrammica come and goIn 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.”
theoutershores 
Spectacular photos!
Thanks. I enjoyed your Boundaries photos and particularly the story that accompanies them. Learned a lot too.
Ah that’s nice to know x
Hello! I love this set of photos! The sea and the sky can have magic boundaries! Wonderful!
Nice pictures.
Thanks. I enjoyed your photo, and especially the caption, of Dixie and Sir Thomas.