GP2 West Transect – 2017

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Detailed Description

Permanent Control Site: GP2 West Transect; Depth: 12.7 Meters (41.6 Feet); Distance from river mouth: 18.8 Kilometers (11.6 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.12781102,-123.31712832; Site Description: This site was established as the eastern control. Substrate is mainly a gravel/sand/cobble mixture surrounding boulders. This year red seaweed was scarce and brown seaweeds were present but not abundant. Five species of brown seaweed were recorded including bull kelp Nereocystis luetkeana (0:08 seconds) and Agarum fimbriatum (1:28 seconds) but mainly consisted of the acid kelp Desmarestia (0:47, 0:57 seconds). Red sea urchins (Strongylocentrotus franciscanus) were common along the whole transect (0:23-0:25, 1:05, 1:46 seconds).
 

Details

Image Dimensions: 1280 x 720

Date Taken:

Length: 00:01:52

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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