Western Fisheries Research Center

Multimedia

Filter Total Items: 362
August 24, 2012

K1 West Transect – 2012

Permanent Site: K1 West Transect; Depth: 6.1 Meters (19.9 Feet); Distance from river mouth: 4.5 Kilometers (2.8 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.13592923,-123.51082988; Site Description: This permanent transect was only established post dam-removal after it was discovered that the degree of seaweed loss was more extensive than

Dendronotid nudibranch on hydroids
August 24, 2012

Dendronotid nudibranch on hydroids

Dendronotid nudibranch on hydroids - Scuba divers from the U.S. Geological Survey’s Western Fisheries Research Center, Washington Sea Grant, EPA and the Lower Elwha Klallam Tribe collected data and images from a long-term study of the Elwha River dam removals and the resulting effects on the nearshore ecosystem.

Location: Strait of

...
August 23, 2012

D2 East Transect – 2012

Permanent Site: D2 East Transect; Depth: 12.0 Meters (39.5 Feet); Distance from river mouth: 0.3 Kilometers (0.2 Miles); Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.15233001,-123.56829403; Site Description: This site is right off the mouth of the river. Substrate is mainly gravel with some sand. Seaweeds are now mostly gone except for the perennial

August 22, 2012

4SP1 West Transect – 2012

Permanent Site: 4SP1 - West Transect; Depth: 6.3 Meters (20.8 Feet); Distance from river mouth: 0.8 Kilometers (0.5 Miles) East; Pre/Post Dam Removal: 11 months post-dam removal; Lat/Long: 48.15257, -123.557376; Site Description: Substrate has remained the same (gravel/cobble) but site is largely devoid of all annual species of seaweeds. Only remaining seaweeds are the

August 21, 2012

J1 East Transect – 2012

Permanent Site: J1 East Transect; Depth: 9.1 Meters (30.0 Feet); Distance from river mouth: 6.7 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.13607725,-123.47935008; Site Description: This permanent transect was only established post dam-removal after it was discovered that the degree of seaweed loss was more extensive than

August 21, 2012

J1 West Transect – 2012

Permanent Site: J1 West Transect; Depth: 9.1 Meters (29.9 Feet); Distance from river mouth: 6.6 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.13607725,-123.48002186; Site Description: This permanent site was only established post dam-removal after it was discovered that the degree of seaweed loss was more extensive than

August 9, 2012

GP2 East Transect – 2012

Permanent Control Site: GP2 East Transect; Depth: 12.9 Meters (42.3 Feet); Distance from river mouth: 18.8 Kilometers (11.7 Miles) east; Pre/Post Dam Removal: 10 months 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

August 9, 2012

GP1 West Transect – 2012

Permanent Control Site: GP1 West Transect; Depth: 7.6 Meters (24.9 Feet); Distance from river mouth: 19.0 Kilometers (11.8 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.11852521,-123.31605203; Site Description: This site was established as the eastern control. Depth is medium-shallow. Substrate is mainly a gravel/sand/cobble mixture

August 9, 2012

GP2 West Transect – 2012

Permanent Control Site: GP2 West Transect; Depth: 12.7 Meters (41.8 Feet); Distance from river mouth: 18.8 Kilometers (11.6 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.12781102,-123.31712832; Site Description: This site was established as the eastern control. Substrate is mainly a gravel/sand/cobble mixture surrounding boulders. Red, green

August 9, 2012

GP1 East Transect – 2012

Permanent Control Site: GP1 East Transect; Depth: 7.2 Meters (23.6 Feet); Distance from river mouth: 19.0 Kilometers (11.8 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.11852521,-123.31538047; Site Description: This site was established as the eastern control. Depth is medium-shallow. Substrate is mainly a gravel/sand/cobble mixture

August 8, 2012

E2 East Transect – 2012

Permanent Site: E2 East Transect; Depth: 14.7 Meters (48.2 Feet); Distance from river mouth: 0.9 Kilometers (0.5 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.15653002,-123.56130401; Site Description: This is one of our deeper sites. Video was not available in 2011 for this site pre-dam removal. As a reference video, see E2 West Transect 2011

August 8, 2012

H2 East Transect – 2012

Permanent Site: H2 East Transect; Depth: 7.9 Meters (26.0 Feet); Distance from river mouth: 2.6 Kilometers (1.6 Miles) east; Pre/Post Dam Removal: 10 months post-dam removal; Lat/Long: 48.15008216,-123.53210661; Site Description: This site is medium to shallow depth. Substrate is mainly gravel with some sand, cobble and an occasional boulder and has not changed since dam