cramerit's channel

A 3 min, 45 second time-lapse video showing gravel restoration work on the Merced River in California's Central Valley.

The otolith is removed from the head of O.mykiss, steelhead, to determine age and other items.

An overview of the resistance board weir on the Stanislaus River, California. Video by Cramer Fish Sciences.

Chinook salmon captured in a resistance board weir on the Stanislaus River, California. Video by Cramer Fish Sciences.

A Chinook salmon is released on the Stanislaus River in California after being trapped by a resistance board weir. Video by Cramer Fish Sciences.

Video by Cramer Fish Sciences. A swimmer passes over a resistance board weir traveling downstream.

Video by Cramer Fish Sciences. A kayaker passes over a resistance board weir, traveling downstream.

A jetboat passes over a resistance board weir, traveling upstream. Video by Cramer Fish Sciences.