2 edition of Production of coho salmon from the Taku River, 1992-1993 found in the catalog.
Production of coho salmon from the Taku River, 1992-1993
Scott A. McPherson
by Alaska Dept. of Fish and Game, Division of Sport Fish in Anchorage
Written in English
As part of an ongoing study of the production of coho salmon Oncorhynchus kisutch from Taku River, near Juneau, Alaska, the Division of Sport Fish implanted coded wire tags in smolt leaving the river in spring 1992. Subsequent recovery of these fish was used to estimate the harvest, production, exploitation rate in 1993, and abundance of smolt in 1992. In 1992 two 12" diameter rotary smolt traps were fished at Barrel Point, Taku River, and caught 7,234 coho salmon smolt from 11 May to 12 June. Of these, 2,315 were coded wire tagged and released with tag code 04- 28 - 50, and 4, 332 were tagged and released with tag code 04- 28 - 51, f or a total of 6, 647. Of the remainder (587 fish) , 71 were <70 mm, 441 died in traps prior to tagging and 75 died after tagging. Smolt sampled from the catch averaged 105 mm fork length and were 34% age 1.0, 65% age 2.0, and 1% age 3.0. In 1993, 121 adult coho salmon bearing coded wire tags implanted at Barrel Point (in 1992) were recovered in random sampling of marine fisheries to produce an estimate of total marine harvest of 125,331 (SE = 24,687). Of this harvest, the troll fishery took an estimated 63%, drift gill net fisheries took 32%, and recreational and seine fisheries each took about 3%. A mark- recapture experiment conducted by the Commercial Fisheries Management and Development Division estimated the in-river escapement of coho salmon in Taku River past Canyon Island at 123,964 (SE = 15,617) fish. The estimated total run for 1993, the sum of escapement and harvest, was 249,295 (SE = 29,212) and the exploitation rate of the return was an estimated 50% (SE = 6%). The estimated smolt abundance in 1992 was 1,451,954 (SE = 351,396).
|Statement||by Scott A. McPherson, David R. Bernard, and Steven Elliott.|
|Series||Fishery data series -- no. 94-38.|
|Contributions||Bernard, David R., Elliott, Steven T., Alaska. Division of Sport Fish.|
|LC Classifications||SH11 .F574 1994 no. 38|
|The Physical Object|
|Pagination||iv, 48 p. :|
|Number of Pages||48|
Coho salmon. Silver salmon is a common name often used in California, but coho salmon has gained wide usage and is the name adopted by the American Fisheries Society (Moyle ). Scientific name (s) Latin name (e.g., Ptychocheilus grandis for Sacramento pikeminnow) The scientific name of coho salmon is Oncorhynchus kisutch (Moyle ).File Size: KB. Coho salmon (Oncorhynchus kisutch (Walbaum)) also called silver salmon, are found in coastal waters of Alaska from Southeast to Point Hope on the Chukchi Sea and in the Yukon River to the Alaska-Yukon border. Coho are extremely adaptable and occur in nearly all accessible bodies of fresh water-from large transboundary watersheds to small tributaries. General description.
Some popular marine angling spots for coho salmon are the Breadline, North and South Shelter Island, Pt. Retreat, and the western shoreline of Admirlaty island. Cohos bound for Canada up the Taku River can also be caught at Pt. Salisbury, Pt. Bishop, and the backside of Douglas Island. Ing Coho salmon, Oncorhynchus kisutch, (ibat keng amanung Russian кижуч kizhuch) metung yang specie ning anadromous asan keng familia ning salmon Coho salmon kebaluanla naman bilang pilak salmon (silver salmon) o "pilak (silvers)". Iti ing pangstate a animal ning Chiba, n: Animalia.
Coho Salmon (Oncorhynchus kisutch) are also known as Silver Salmon. Coho Salmon rear in fresh water for up to five years. In Alaska, Coho Salmon is the last Pacific salmon species to spawn in a calendar year. Spawning takes place throughout the autumn. At this time stream water levels drop and clarity increases as glacial water sources freeze up for the winter. Recovery of Wild Coho Salmon in Salmon River Basin, Monitoring Hatchery production has been a centerpiece of salmon management for decades, Assess whether viability of the Salmon River coho population is limited by quantity and complexity of stream habitat.
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We are happy to announce that Taku River Reds and Yakobi Fisheries joined forces last season giving us the opportunity to offer a much wider array of seafood than ever before. Aside from Taku River Salmon, we harvest and process halibut, black cod, rockfish, spot prawns, bairdi snow crab, dungeness crab, and hook and line salmon of all species.
Production and Escapement of Coho Salmon in the Taku River, – by. Jeffrey T. Williams. Sarah Power. and. Edgar L.
Jones III. June Alaska Department of Fish and Game Divisions of Sport Fish and Commercial Fisheries. 1File Size: 1MB. Byworldwide production of coho salmon was approximately tonnes.
The diminished supply is reflected in price increases for Chilean coho in Japan, which reached a five-year high in The major markets for farmed coho salmon are Japan and the United States of America. Because coho salmon mature after one year in the sea, two separate broodstocks – odd year and even year spawners – are required to maintain continuous production.
In autumn, maturing broodfish are selected from groups reared at seasites and moved into freshwater tanks where final maturation and spawning takes place. The Production of coho salmon from the Taku River catch rate on the Sandy has dropped tremendously over the last few weeks, and with still such low numbers up at Cedar Creek, it leaves a bunch of us scratching our heads wondering where.
Given that hatchery coho salmon juveniles were often observed swimming upriver, we expanded the likely area of loss to include all regions downriver of PC. A high proportion (at least 40%) of the tagged coho salmon were consumed by cormorants in This compares with an overall estimate of 80% mortality (coho salmon) using acoustic by: This was a hike and fish video, it was tough, this river never gives me consistent results.
But. An awesome day of fishing for Coho Salmon on the Lower Kenai River. These beautiful fish are an absolute blast to catch. Gary the owner of Alaska Fish On Charters has this river Dialed in. How To Twitch Jigs for Coho Salmon - Fishing With Bent Rod - Duration: Bent Rods Fishingviews.
Clackamas River Coho - Duration: Angler West TV 81, views. This is an example of a mis-clipped salmon. I have never come across this before. After close inspection to make sure this was not a wild coho, I decided to keep it.
Unfortunately, this coho. Separation of principal Taku River and Port Snettisham sockeye salmon (Oncorhynchus nerka) stocks in Southeast Alaska and Canadian fisheries of based on scale pattern analysis. Alaska Department of Fish and Game, Division of Commercial Fisheries, Technical Data Report No.Size: 43KB.
The coho salmon (Oncorhynchus kisutch; Karuk: achvuun) is a species of anadromous fish in the salmon family, one of the several species of Pacific salmon are also known as silver salmon or "silvers". The scientific species name is based on the Russian common name kizhuch (кижуч).Class: Actinopterygii.
The female Coho Salmon turns a pinkish red on its sides but it is the male Coho Salmon that gets the rolled up snout, which prevents the male from being able to close its mouth. All Tackle Record. While the all tackle Coho Salmon ever caught was just over 33 pounds (15 kilograms), most Coho Salmon caught are between four to 8 pounds ( to PDF ( K) PDF-Plus ( K) Citing articles; Habitat Utilization by Juvenile Pacific Salmon (Onchorynchus) in the Glacial Taku River, Southeast AlaskaMichael L.
Murphy, Jonathan Heifetz, John F. Thedinga, Scott W. Johnson, and, K V. KoskiCited by: Optimal production of chinook salmon from the Taku River through the year class by Scott A McPherson (Book) 3 editions published between and in English and held by 32 WorldCat member libraries worldwide.
Taku River Reds™ would not be possible without the dedication and passion of our fishermen who share our desire to produce the highest quality wild Alaska salmon possible. Tyson Fick. F/V Heather Anne. Tyson has been chasing salmon with fly-rods, cameras.
Williams, J. T., S.J. Power, and E. Jones III. Production of coho andChinook salmon in the Taku River, Alaska Department of Fish and Game, Division of Sport Fish, Regional Operational Plan No.
SF.1J, Anchorage. The Alaska Department of Fish and Game (ADF&G) administers all programs and activities free from discrimination. What: Coho (Silver) Salmon Season: September. AMCC is proud to offer top-quality, pressure-bled coho (silver) salmon from Taku River Reds.
Taku River Reds is a small, family-run salmon operation based out of Juneau that prides itself on p roducing the finest salmon. Each salmon is carefully handled and pressure bled to ensure the highest. Southeast Alaska’s largest salmon-producing river, the Taku produces on average two million adult salmon each year in addition to some of the region’s largest trout populations.
Due to increasing pressure from mining companies in British Columbia, the Taku River and other transboundary rivers in Southeast Alaska now face growing threats.
Sockeye – The Taku produces some of Alaska’s largest, most beautiful sockeye (or “reds"). With a brilliant red meat, firm texture, and distinct flavor, it’s no surprise that Taku River Reds™ are our flagship salmon.
Average size: lbs. Harvest season: late June - early August. University of Washington zero-age coho salmon smolt production. Aquaculture, Accelerated incubation and rearing of coho can result in the production of zero-age smolts and a return of 2-year old adult spawners.
Sex ratio of returning adults is biased toward males. Size at return depends on marine residence by: 16 Maturing chinook salmon jumping three-metre falls during upstream migration, Stamp River, British Columbia 17 Coho salmon life history stages 18 Coho fry in full colour, Rosewall Creek, British Columbia 19 Early coho fry in gravel bed prior to emerging, Rosewall Creek, British Columbia 20 Masu salmon life history stages.tracking radio-tagged chinook salmon in the Taku River, Potential targets were verified by aerial surveys up-river from the sites.
Percentages of the potential targets, TABLE 2.—Tracking records for radio-tagged coho salmon recorded by remote tracking stations on the Taku River, Station operations were terminated in late No-vember.