One of the major constraints on recovering our wild salmon populations is habitat restoration and the portion of the habitat that need the most help is the lower river estuary areas.
Here's a wonderful local project that bears watching and is cause for optimism:
http://www.heraldnet.com/article/20150823/NEWS01/150829720
Here's a link to the live video stream of the location:
http://video-monitoring.com/timelapse/tulalip/slideshow.htm