1.   Salmon populations have been severely depleted recently.

2.   Salmon populations have been severely depleted.

3.   Besides aesthetic issues, the campaigns include warnings about misuse of antibiotics and the diseases currently ravaging farmed salmon populations in Chile and elsewhere.

4.   Burkholder argues that almost as much money is spent annually on efforts to restore the salmon population as it would cost to remove the dams.

5.   But Tony Knowles, governor of Alaska, scoffed at studies by Canadian and US fisheries biologists that suggest salmon populations are in disastrous decline.

6.   Concerned about dwindling numbers of Pacific salmon, the National Marine Fisheries Service listed two salmon populations in California under the U.S. Endangered Species Act Thursday.

7.   Environmental damage from the diversions has been immense, with waterfowl habitat destroyed and salmon populations brought to the brink of extinction.

8.   Gorton defends his environmental credentials, professes a desire to increase the salmon population in the Northwest, and offers to listen to his opponents.

9.   He listened intently as commerce officials discussed the salmon population in Canadian rivers and other arcane topics.

10.   Nevertheless, the growing reliance on hatchery fish raises questions about the long-term health of the salmon population.