C1 East Transect – 2017

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Detailed Description

Permanent Site: C1 East Transect; Depth: 8.5 Meters (28.0 Feet); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 6 years post-dam removal; Lat/Long: 48.14525225,-123.57294101; Site Description: Substrate is entirely sand. Current was high and contained lots of drift seaweed and eelgrass (0:05 seconds). In 2016 all seaweeds were absent but this year there were numerous reds (0:21, 1:10, 1:39 seconds) and even a few small bull kelps Nereocystis luetkeana (1:45 seconds). Invertebrates are typically scarce and are almost exclusively the ornate tubeworm Diopatra ornata (appears as small clumps of seaweed, eelgrass and detritus (0:29, 0:34, 1:18 seconds). Small, flatfish are very common at this site.
 

Details

Image Dimensions: 1280 x 720

Date Taken:

Length: 00:01:53

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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