F2 West Transect – 2017

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Detailed Description

Permanent Site: F2 West Transect; Depth: 11.1 Meters (36.3 Feet); Distance from river mouth: 1.5 Kilometers (0.9 Miles) east; Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.15672004,-123.55036603; Site Description: Substrate is mainly a gravel/cobble mixture with an occasional boulder. Seven species of brown seaweed were present. Seaweed was abundant but not as abundant as pre-dam removal levels except for two species, Costaria costata (0:20, 1:07 seconds) and the perennial seaweed Pterygophora californica (0:52, 1:05 seconds). Red seaweeds were distributed along the entire transect (0:04, 0:31, 0:39, seconds). Smaller bull kelp Nereocystis luetkeana (0:15, 1:04 seconds) were present. Invertebrates were present and diverse but not abundant and none are seen on video.
 

Details

Image Dimensions: 1280 x 720

Date Taken:

Length: 00:01:43

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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