H1 East Transect – 2011

Permanent Site: H1 East Transect; Depth: 5.5 Meters (Feet 18.0); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 1 month pre-dam removal; Lat/Long: 48.1479177,-123.53472865; Site Description: This is a shallow site and one of the farthest removed from the effects of the sediment plume outside of the control sites. Substrate is mainly gravel with some sand and cobble. Seaweed is dense, particularly Alaria marginata (0:50, 1:53 seconds), three-ribbed kelp Cymathere triplicata (1:09, 1:32 seconds) and the perennial seaweed Pterygophora californica (0:26, 0:39 seconds). No invertebrates are seen on video due to the dense seaweed cover. A school of Pacific herring (Clupea pallasii) appears at 1:16seconds.