In the Rocky Intertidal Change and Stability Look Like This

In the rocky intertidal space is at a premium, so there’s lots of competition for it. Wherever there is competition, there are winners and losers, but disturbance can reset competitive outcomes by creating a clean slate.

A wave-tossed drift log created an opening in a dense barnacle stand
A wave-tossed drift log created this opening in a dense barnacle stand

Ironically, the stability of familiar intertidal communities depends on disturbances that change competitive outcomes.

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