GP2 East Transect – 2017

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Detailed Description

Permanent Control Site: GP2 East Transect; Depth: 13.2 Meters (43.2 Feet); Distance from river mouth: 18.8 Kilometers (11.7 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.12781102,-123.31645664; Site Description: This site was established as the eastern control. Substrate is mainly a gravel/sand mixture. A few large boulders are located off transect. This year red seaweed was scarce and only three brown seaweeds were present but not abundant, except for the acid kelp Desmarestia (0:27, 0:55 seconds). Red sea urchins (Strongylocentrotus franciscanus) were common, especially along the last twenty meters of the transect (1:10-1:56 seconds). The egg case of a moon snail (Euspira lewisii) is seen at 0:38 seconds.
 

Details

Image Dimensions: 1280 x 720

Date Taken:

Length: 00:02:04

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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