Karta River steelhead
Subtitle: 1992 escapement and creel survey studies
By: by Roger Harding and Doug Jones.
Contributors: Jones, Doug.; Alaska. Division of Sport Fish.
Series: Fishery data series -- no. 93-30.
Publisher: Alaska Dept. of Fish and Game, Division of Sport Fish
Published: 1993
Place of publication: Anchorage, Alaska
Language: eng
Number of pages: 25
Subjects: Steelhead (Fish) -- Alaska -- Karta River.; Fish populations -- Alaska -- Karta River.; Karta River (Alaska)
Other titles: Federal aid in sport fish restoration (Alaska)
Description: The adult steelhead (Oncorhynchus mykiss) escapement to Karta River in 1992 was counted at a weir located about 1 kilometer upstream of the mouth of the river. One hundred and eighty-five fish were counted from April 7 to May 31; 50% of the immigration had occurred by April 25, 1992. The 1992 escapement was 15% of the 1989 escapement of 1,220 adult steelhead. One hundred and seventy-six steelhead were sampled for length and sex, and 171 were sampled for age. Sixty-seven percent of the sampled fish were female and averaged 748 millimeters long (standard deviation = 58 millimeters); males constituted 33% of the escapement and averaged 761 millimeters long (standard deviation = 69 millimeters). First-time spawners constituted 63% of the sampled escapement; 37% were repeat spawners. Seventy-one percent of the seven different age classes of repeat spawners were ages 3.2S1 and 4.2S1. A total of 347 steelhead kelts passed downstream through the weir at Karta River by May 31, 1992. Thirteen anglers were interviewed in the on-site creel survey between April 8 and May 31; they fished a total of 105 hours to catch an estimated seven steelhead (two steelhead were kept and five were released). Twelve parties who used their reservation at a U.S. Forest Service cabin at Karta River between April 8 and May 31 responded to the postal survey; two parties did not respond. Forty-two anglers from the twelve parties fished 1,101 hours to catch 156 steelhead (148 were released and 8 were kept). The total seasonal angler effort (includes anglers who responded to the postal survey prior to and after the on-site creel plus the on-site creel survey) was 1,939 hours; 214 steelhead were caught (196 were released and 18 were kept).
Notes: "Partially financed by the Federal Aid in Sport Fish Restoration Act ... under Project F-10-7, Job No. R-1-4."

"September 1993."

Includes bibliographical references (p. 15-16).

Also issued online.