H1 West Transect – 2011

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Detailed Description

Permanent Site: H1 West Transect; Depth: 5.9 Meters (Feet 19.4); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 1 month pre-dam removal; Lat/Long: 48.14803012,-123.53535558; 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 (0:09 seconds), three-ribbed kelp Cymathere triplicata (0:22, 0:55 seconds) and the perennial seaweed Pterygophora californica (1:21 seconds). No invertebrates are seen on video due to the dense seaweed cover.


Date Taken:

Length: 00:01:41

Lat / Long: 48.148030120000 / -123.535355580000

Location Taken: US

Video Credits

Editor: Chloe Dawson
USGS Contact: Nancy Elder, Fishery Biologist, Marrowstone Marine Field Station, (nelder@usgs.gov)