C1 West Transect – 2017

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Detailed Description

Permanent Site: C1 West Transect; Depth: 9.3 Meters (30.4 Feet); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.14525225,-123.57361291; Site Description: Substrate is entirely sand. Current was high and contained lots of drift seaweed and eelgrass (0:04, 0:38 seconds). Though seaweeds were absent in 2016, four species of brown seaweeds were present this year including acid kelp Desmarestia (1:20 seconds) and small, bull kelp Nereocystis luetkeana (1:32 seconds). Larger red seaweeds were common (0:19, 0:28, 1:040. Invertebrates are scarce and are almost exclusively the ornate tubeworm Diopatra ornata (appears as clumps of seaweed, eelgrass and detritus (0:21, 1:31 seconds). 
 

Details

Image Dimensions: 1280 x 720

Date Taken:

Length: 00:01:50

Location Taken: Elwah River, WA, US

Video Credits

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

Transcript

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