D2 East Transect – 2016

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Detailed Description

Permanent Site: D2 East Transect; Depth: 11.9 Meters (38.9 Feet); Distance from river mouth: 0.3 Kilometers (0.2 Miles); Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.15233001,-123.56829403; Site Description: This site is right off the mouth of the river and is actively being buried in sandy substrate. The sediment for the first 19 meters of the 30 meter transect goes from pure sand (0:13 seconds) to sand mixed with a bunch of small, white shell debris (1:19 seconds). The edge of the sandbar is seen at 1:25 seconds where there is a 1 meter wide mixture of woody debris and dead clam shells. The sediment for the remaining 10 meters was gravel. Seaweed was scarce, growing only where there was gravel and consisting of small browns and reds. Invertebrates were very scarce and only seen where there was gravel substrate. Dungeness crab (Metacarcinus magister) were present (1:41seconds).
 

Details

Image Dimensions: 480 x 360

Date Taken:

Length: 00:02:23

Lat / Long: 48.152330010000 / -123.568294030000

Location Taken: US

Video Credits

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

Transcript

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