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GP2 East Transect – 2015

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Detailed Description

Permanent Control Site: GP2 East Transect; Depth: 13.2 Meters (43.2 Feet); Distance from river mouth: 18.8 Kilometers (11.7 Miles) east; Pre/Post Dam Removal: 4 years post-dam removal; Lat/Long: 48.12781102,-123.31645664; Site Description: This site was established as the eastern control. Substrate is mainly a gravel sand mixture. A few large boulders are located off transect. Red (0:20 seconds) and brown seaweeds were present and more abundant than the previous year. However, only two species of browns were recorded, consisting mainly of the acid kelp Desmarestia (1:08, 1:13 seconds) and a few Agarum fimbriatum (0:39, 0:44 seconds). A variety of invertebrates were present. Red sea urchins (Strongylocentrotus franciscanus) were common and scattered along entire transect (0:06, 1:05, 1:33, and 2:39 seconds). Other invertebrates seen on video: moon snail Euspira lewisii (0:36, 2:16 seconds), egg case of the moon snail Euspira lewisii (1:29, 2:11, 2:13 seconds), blood sea star Henricia leviuscula leviuscula (1:54 seconds).




Public Domain.