J1 East Transect – 2014

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Detailed Description

Permanent Site: J1 East Transect; Depth: 9.1 Meters (30.0 Feet); Distance from river mouth: 6.7 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.13607725,-123.47935008; Site Description: This site is medium depth. Substrates is mainly a gravel/sand mixture. Seaweed density is still greatly decreased. Three species of brown seaweed were recorded and consist mainly of the perennial seaweed Pterygophora californica (0:09, 1:40 seconds) and Saccharina spp. (0:43, 1:19 seconds). Larger reds are present (2:05seconds) and are frequently found growing around the base of feather duster tubeworms (2:14 seconds). Two tubeworm species are very abundant, Eudistylia vancouveri (0:13, 1:33 seconds) and Schizobranchia insignis, as well as burrowing anemones (Halcampa sp.) and butter clams (Saxidomus gigantea). Other invertebrates seen on video: giant plumose anemone Metridium farcimen (0:12, 0:32 seconds) 


Date Taken:

Length: 00:02:45

Lat / Long: 48.136077250000 / -123.479350080000

Location Taken: US

Video Credits

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