Fisheries, Subsistence, and Habitat
Publications Searchable Database
Search Again| Division: | Sport Fish |
| Title: | Deep Creek chinook and coho salmon escapement studies, 1999. |
| Author: | Begich, R. B. |
| Year: | 2002 |
| Report ID: | Alaska Department of Fish and Game, Fishery Data Series No. 02-13, Anchorage. |
| Abstract: | Chinook salmon Oncorhynchus tshawytscha and coho salmon O. kisutch returns to Deep Creek were assessed with a weir to provide total escapement counts. From 16 June through 12 September 1999, 2,286 chinook salmon and 2,267 coho salmon were counted and examined for adipose finclips. Total chinook and coho salmon escapement was 2,056 and 2,265 fish, respectively. Two hundred and thirty chinook salmon with adipose finclips were sacrificed for coded wire tag information. The contribution of hatchery-produced Ninilchik River chinook salmon was 46 fish or 2.0% of the total chinook salmon return. Males comprised 60.5% and females 39.5% of the chinook salmon escapement. The age class composition of the chinook escapement was dominated by age 1.3, (51.6%, SE = 0.8%), followed by age 1.2, (37.7%, SE = 0.7%) and age 1.4, (9.4%, SE = 0.6%). The coho salmon escapement consisted of 57.1% (SE = 3.5%) males and 42.9% (SE = 3.2%) females. The majority of coho in the escapement was age class 2.1 (71.1%, SE = 2.5%). |
| Keywords: | chinook salmon, Oncorhynchus tshawytscha, coho salmon, Oncorhynchus kisutch, Deep Creek, weir, return, escapement, adipose finclip, and coded wire tag. |