Embeddedness, East Branch Amity Creek
Riffle Embeddedness ~ 50%

Close-up image of the stream bottom showing how the rocks have become “embedded” by sands and silts. This situation means that there is very little refuge for stream critters that need to hide under rocks to survive, as most stream invertebrates and many small fish need.

 

Amity Creek embeddedness: measurements | image 1 | image 2 | unembedded example