D1 West Transect – 2013

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Detailed Description

Permanent Site: D1 West Transect; Depth: 5.9 Meters (19.5 Feet); Distance from river mouth: 0.2 Kilometers (0.1 Miles); Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.15115998,-123.56801602; Site Description: This site is right off the mouth of the river and is actively being buried. This was the last year the site could be scuba surveyed. Depth on this transect went from about 34 feet (MLLW) to about 20 feet. Substrate at the western end of the transect was gravel-sand until it converts to all sand towards the end (1:17 seconds). Small woody debris was present where there was gravel (0:17-0:23 seconds). All species of seaweeds are gone and no invertebrates were seen. Schools of Pacific sand lance (Ammodytes hexapterus) were at the site. 


Date Taken:

Length: 00:01:40

Lat / Long: 48.151159980000 / -123.568016020000

Location Taken: US

Video Credits

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