Predation of Karluk River sockeye salmon by coho salmon and char
Links
- More information: Publisher Index Page
- Document: pdf
- Download citation as: RIS | Dublin Core
Abstract
The number of sockeye salmon, Oncorhynchus nerka, in Alaska's Karluk River (Fig. 1) declined from millions to thousands during the early part of the present century. Rounsefell (1958) discussed alternative explanations for the decline including a general loss offertility ofthe system as the number of salmon carcasses declined, competition, overfishing, subtle changes in climate, and predation; he concluded that the combined effect of predation and fishing was the most probable explanation. Later, Van Cleave and Bevan (1973) suggested that the weir constructed in the river each year to facilitate counting the fish as they entered the system was the most probable cause ofthe decline. Itprevented free movement of both adults and juveniles in the river. All of these hypotheses remain as potential explanations for the decline
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Predation of Karluk River sockeye salmon by coho salmon and char |
| Series title | Fishery Bulletin |
| Volume | 86 |
| Issue | 3 |
| Year Published | 1988 |
| Language | English |
| Publisher | National Marine Fisheries Service |
| Contributing office(s) | Western Fisheries Research Center |
| Description | 6 p. |
| First page | 611 |
| Last page | 616 |
| Country | United States |
| State | Alaska |
| Other Geospatial | Karluk Lake, Karluk River, Kodiak Island |
| Google Analytic Metrics | Metrics page |