E2 East Transect – 2017

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Detailed Description

Permanent Site: E2 East Transect; Depth: 15.1 Meters (49.4 Feet); Distance from river mouth: 0.9 Kilometers (0.5 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.15653002,-123.56130401; Site Description: Video is only of the last 10 meters of the transect. This is one of our deeper sites. Substrate is mainly gravel/cobble with an occasional boulder. Seaweed was very scarce. Only one acid kelp (Desmarestia spp.) plant was present and there were no red seaweeds. The featherduster tubes worms Schizobranchia insignis (dark round or pale orange blotches at 0:29, 0:34 seconds) continue to be abundant. Red sea urchins (Strongylocentrotus franciscanus) are scattered along ten meters of transect (0:04-0:25 seconds) as well as one green sea urchin (Strongylocentrotus droebachiensis) (0:04 seconds). 
 

Details

Image Dimensions: 1280 x 720

Date Taken:

Length: 00:00:47

Location Taken: Elwha River, WA, US

Video Credits

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

Transcript

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