Videos

Permanent Site: H1 East Transect; Depth: 5.7 Meters (18.8 Feet); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.1479177,-123.53472865; Site Description: This is a shallow site and one of the farthest removed from the effects of the sediment plume outside of the control sites.

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).

Permanent Site: C2 East Transect; Depth: 16.1 Meters (52.8 Feet); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.147841,-123.57596074; Site Description: One of our deepest sites. Substrate is all muddy sand. Seaweed is absent.

Permanent Site: H2 West Transect; Depth: 7.8 Meters (25.5 Feet); Distance from river mouth: 2.6 Kilometers (1.6 Miles) east; Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.15008216,-123.53277857; Site Description: This site is medium to shallow depth.

Permanent Site: A1 East Transect; Depth: 8.0 Meters (26.1 Feet); Distance from river mouth: 1.8 Kilometers (1.1 Miles) West; Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.13870775, -123.5855312; Site Description: Transect is in eastern part of Freshwater Bay. Sediment is primarily sand/sandy mud. Previous small boulders appear to be buried.

Permanent Site: A1 West Transect; Depth: 9.0 Meters (29.6 Feet); Distance from river mouth: 1.9 Kilometers (1.2 Miles) West; Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.13870775, -123.586203; Site Description: Transect is in eastern part of Freshwater Bay. Sediment is primarily sand/sandy mud with patches of boulders. Seaweeds are common this year.

Permanent Site: H2 East Transect; Depth: 8.1 Meters (26.6 Feet); Distance from river mouth: 2.6 Kilometers (1.6 Miles) east; Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.15008216,-123.53210661; Site Description: This site is medium to shallow depth.

Permanent Site: 4SP1 - East Transect; Depth: 5.2 Meters (17.0 Feet); Distance from river mouth: 0.8 Kilometers (0.5 Miles) East; Pre/Post Dam Removal: 4 years post-dam removal; Lat/Long: 48.15257, -123.556704; Site Description: The site has converted from gravel/cobble substrate to all sand. Seaweed is completely absent. 
 

Permanent Site: 4SP1 - West Transect; Depth: 6.1 Meters (19.9 Feet); Distance from river mouth: 0.8 Kilometers (0.5 Miles) East; Pre/Post Dam Removal: 3 years post-dam removal; Lat/Long: 48.15257, -123.557376; Site Description: The site has converted from gravel/cobble substrate to all sand. Seaweed is completely absent. 
 

Permanent Site: C1 East Transect; Depth: Meters (Feet); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.14525225,-123.57294101; Site Description: Substrate is entirely sand. All seaweeds are absent. Woody debris is present (0:26, seconds).

Permanent Site: C1 West Transect; Depth: Meters (Feet); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.14525225,-123.57361291; Site Description: Substrate is entirely sand. All seaweeds are absent. Woody debris is present (0:12, 1:49 seconds).

Video of ARIS Sonar imagery showing a female and two male shovelnose sturgeon over an egg deposition location recorded during controlled experiments to study spawning behavior.
 

Permanent Site: C1 East Transect; Depth: Meters (Feet); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.14525225,-123.57294101; Site Description: Substrate is entirely sand. All seaweeds are absent.

Permanent Site: K1 East Transect; Depth: 6.2 Meters (20.5 Feet); Distance from river mouth: 4.5 Kilometers (2.8 Miles) east; Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.13592923,-123.5101581; Site Description: This is a shallow site. Sediment is a gravel/sand mixture.

Permanent Site: K1 West Transect; Depth: 5.6 Meters (18.4 Feet); Distance from river mouth: 4.5 Kilometers (2.8 Miles) east; Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.13592923,-123.51082988; Site Description: This is a shallow site. Sediment is a gravel/sand mixture.

Permanent Site: A2 East Transect; Depth: 12.6 Meters (41.5 Feet); Distance from river mouth: Kilometers 1.8 (1.1 Miles); Pre/Post Dam Removal: 5 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.

Permanent Site: J1 East Transect; Depth: 9.3 Meters (30.4 Feet); Distance from river mouth: 6.7 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.13607725,-123.47935008; Site Description: This site is medium depth. Substrates is mainly a gravel/sand mixture.

Permanent Site: F2 East Transect; Depth: 11.3 Meters (37.2 Feet); Distance from river mouth: 1.5 Kilometers (0.9 Miles) east; Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.15672004,-123.54969397; Site Description: Substrate is mainly a gravel - cobble mixture with an occasional boulder.

Permanent Site: F2 West Transect; Depth: 11.3 Meters (37.2 Feet); Distance from river mouth: 1.5 Kilometers (0.9 Miles) east; Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.15672004,-123.55036603; Site Description: Substrate is mainly a gravel - cobble mixture with an occasional boulder.

Permanent Site: F1 East Transect; Depth: 6.3 Meters (20.6 Feet); Distance from river mouth: 1.3 Kilometers (0.8 Miles) east; Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.15292999, -123.55011402; Site Description: Visibility on the day this video was taken was bad and the currents were swift. This is a shallow site. Substrate is all sand.

Permanent Site: F1 West Transect; Depth: 6.6 Meters (21.7 Feet); Distance from river mouth: 1.3 Kilometers (0.8 Miles) east; Pre/Post Dam Removal: 5 years post-dam removal; Lat/Long: 48.15292999, -123.55078602; Site Description: Visibility on the day this video was taken was bad and the currents were swift. This is a shallow site. Substrate is all sand.