J1 West Transect – 2015

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Detailed Description

Permanent Site: J1 West Transect; Depth: 9.2 Meters (30.2 Feet); Distance from river mouth: 6.6 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 4 years post-dam removal; Lat/Long: 48.13607725,-123.48002186; Site Description: Visibility was bad on this date and video is of poor quality. This site is medium depth. Substrates is mainly a gravel/sand mixture with some cobble. Seaweed density has increased. Seven species of brown seaweed were recorded and consist mainly of the perennial seaweed Pterygophora californica, Saccharina spp. (0:06seconds), acid kelp Desmarestia and Alaria marginata (0:56 seconds). Red seaweed was abundant and found frequently found growing around the base of feather duster tubeworms. Two tubeworm species are very abundant, Eudistylia vancouveri and Schizobranchia insignis, as well as butter clams (Saxidomus gigantea).


Date Taken:

Length: 00:02:00

Lat / Long: 48.136077250000 / -123.480021860000

Location Taken: US

Video Credits

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