GP2 East Transect – 2016

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Detailed Description

Permanent Control Site: GP2 East Transect; Depth: 13.2 Meters (43.4 Feet); Distance from river mouth: 18.8 Kilometers (11.7 Miles) east; Pre/Post Dam Removal: 5 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. This year red seaweed was absent and brown seaweeds were present but not abundant. Only two species of browns were recorded, consisting mainly of the acid kelp Desmarestia (0:23, 0:54 seconds) and a few Costaria costata. A variety of invertebrates were present. Invertebrates seen on video: green sea urchin Strongylocentrotus droebachiensis (0:54 seconds), red sea urchin Strongylocentrotus franciscanus (0:57 seconds), mottled sea star Evasterias troschelii (1:14, 1:16, 1:45 seconds), sunflower sea star Pycnopodia helianthoides (1:23, 1:53 seconds).
 

Details

Image Dimensions: 1280 x 720

Date Taken:

Length: 00:02:15

Lat / Long: 48.127811020000 / -123.316456640000

Location Taken: US

Video Credits

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

Transcript

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