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L1 West Transect – 2015

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Detailed Description

Permanent Site: L1 West Transect; Depth: 11.4 Meters (37.3 Feet); Distance from river mouth: 2.3 Kilometers (1.4 Miles) west; Pre/Post Dam Removal: 4 years post-dam removal; Lat/Long: 48.13957527,-123.59427175; Site Description: This transect is medium depth. The first 20 meters contains scattered boulders (0:18 seconds). Where there are no boulders, substrate is still mainly fine sediment/sand/mud. Seaweed has returned. Seven species of brown seaweed are present, mainly the acid kelp Desmarestia (0:27, 2:38seconds) but also Costaria costata (1:19 seconds), Saccharina spp. (1:17 seconds) and Agarum fimbriatum growing on boulders (0:09seconds). A large mass of eggs from the squid Loligo opalescens can be seen attached to a boulder at 1:34 seconds. Invertebrates seen on video: rock scallop Crassadoma gigantean (1:26 seconds).
 

Details

Length:
00:02:53

Sources/Usage

Public Domain.