L1 West Transect – 2016

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Detailed Description

Permanent Site: L1 West Transect; Depth: 11.1 Meters (36.5 Feet); Distance from river mouth: 2.3 Kilometers (1.4 Miles) west; Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.13957527,-123.59427175; Site Description: This transect is medium depth. The first 20 meters contains scattered boulders (0:17 seconds). Where there are no boulders, substrate is mainly fine sediment/sand/mud. Seven species of brown seaweed are present, mainly the acid kelp Desmarestia (0:22 seconds) but also bull kelp Nereocystis luetkeana (0:23, 0:44 seconds) and Agarum fimbriatum (1:40 seconds). Invertebrates seen on video: staghorn bryozoan Heteropora pacifica (yellow clumps on boulder at 0:39 seconds); graceful crab Metacarcinus gracilis (1:10 seconds); orange sea cucumber Cucumaria miniata (1:16 seconds).


Date Taken:

Length: 00:00:02

Lat / Long: 48.139575270000 / -123.594271750000

Location Taken: US

Video Credits

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