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A2 East Transect – 2013

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Detailed Description

Permanent Site: A2 East Transect; Depth: 12.8 Meters (Feet 42); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.14130295, -123.58766124; Site Description: One of our deeper sites at over 40 feet. Sediment is primarily sand/sandy mud. Seaweeds are absent this year. Woody debris is seen on transect for the first time (0:59 seconds). Feather duster tubeworms are abundant, especially the species Eudistylia vancouveri (0:07, 0:25 seconds) and Schizobranchia insignis (0:36 seconds). Other invertebrates seen on video: sunflower sea star Pycnopodia helianthoides (0:58 seconds), sand-rose anemone Urticina columbiana (1:37 seconds), feather duster tubeworm Chone aurantiaca (small, heart shape 1:40 seconds). Elwha River Nearshore, Strait of Juan de Fuca, Washington, USA




Public Domain.