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2 edition of Production of coho salmon from the Taku River, 1993-1994 found in the catalog.

Production of coho salmon from the Taku River, 1993-1994

Scott A. McPherson

Production of coho salmon from the Taku River, 1993-1994

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Published by Alaska Dept. of Fish and Game, Division of Sport Fish, Research and Technical Services in Anchorage .
Written in English

  • Coho salmon -- Taku River (B.C. and Alaska) -- Statistics.,
  • Fish populations -- Taku River (B.C. and Alaska) -- Statistics.,
  • Fishes -- Taku River (B.C. and Alaska) -- Statistics.

  • About the Edition

    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 1993. Subsequent recovery of these fish was used to estimate the harvest, production, exploitation rate in 1994, and abundance of smolt in 1993. In 1993 two 12" diameter and one 8 diameter rotary smolt traps were fished near Canyon Island on the Taku River. A total of 5,549 coho salmon smolt were caught from 9 May to 27 June. Of these, 683 were coded wire tagged and released with tag code 04-38-01, and 4,361 were tagged and released with tag code 04-38-02, for a total of 5,044. Of the remainder (505 fish), 271 were <70 mm and were not tagged, 189 died in traps prior to tagging, an estimated 10 died after tagging and 35 shed tags. Smolt sampled from the catch averaged 98 mm fork length and were 78% age 1.0 and 22% age 2.0. In 1994, 178 adult coho salmon bearing coded wire tags implanted near Canyon Island (in 1993) were recovered in random sampling of marine fisheries to produce an estimate of total marine harvest of 228,607 (SE = 36,734). Of this harvest, the troll fishery took an estimated 42%, drift gillnet fisheries took 38%, seine fisheries took 12% and recreational fisheries took about 8%. A mark-recapture experiment conducted by the Commercial Fisheries Management and Development Division and the Canadian Department of Fisheries and Oceans estimated the inriver run of coho salmon past Canyon Island at 111,036 (SE = 6,529) fish. Of this total, 14,693 fish were harvested by inriver fishers above the U.S./Canada border. The estimated total run, the sum of escapement and harvest, in 1994 for coho salmon originating above Canyon Island was 339,643 (SE = 37,310) and the marine exploitation rate was an estimated 67% (SE = 4%). The estimated total run, the sum of escapement and harvest, in 1994 for coho salmon from the entire Taku River drainage was 435,440 (SE = 47,833), accounting for those fish originating below Canyon Island. The estimated smolt abundance in 1993 from above Canyon Island was 1,475,874 (SE = 368,411) and marine survival of coho salmon smolt from above Canyon Island was estimated at 23% (SE = 6.3%).

    Edition Notes

    Statementby Scott A. McPherson and David R. Bernard.
    SeriesFishery data series -- no. 95-29.
    ContributionsBernard, David R., Alaska. Division of Sport Fish.
    LC ClassificationsSH11 .F574 1995 no. 29
    The Physical Object
    Paginationii, 41 p. :
    Number of Pages41
    ID Numbers
    Open LibraryOL15577359M

    The coho salmon is on the federal endangered species list in California, with as few as three of the wild fish seen returning to spawn in the Russian River in Coho (Oncorhynchus kisutch) Coho salmon also called silver salmon, are found in most British Columbia coastal streams and in many streams from California to Alaska, in coastal waters of Alaska from Southeast to Point Hope on the Chukchi Sea and in the Yukon River to the Alaska-Yukon border.

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Production of coho salmon from the Taku River, 1993-1994 by Scott A. McPherson Download PDF EPUB FB2

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. 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.

tagged Taku River coho salmon. in Southeast Alaska commercial fisheries by PMFC area and in the Juneau Sport fishery, 7. Escapement counts for three upper Taku River coho salmon stocks. Coho salmon escapement weir counts and 'peak and near-peak survey.

ing coho. Figure 3 shows the trends in wild coho abundance as indicated by ODFW index counts (ODFW ). Wild coho appear to now be at 1% of their abundance in Among the best documented wild stocks are Snake River chinook Production of coho salmon from the Taku River. Figure 4 shows the trends in escapement of Snake River fall chinook, and the Grand Ronde spring chinook stock.

Aquaculture, 28 () Elsevier Scientific Publishing Company, Amsterdam - Printed in The Netherlands UNIVERSITY OF WASHINGTON ZERO-AGE COHO SALMON SMOLT PRODUCTION E.

BRANNON, C. FELDMANN* and L. DONALDSON College of Fisheries, University of Washington, Seattle, WA (U.S.A.) *Puget Power, Bellevue, WA (U.S.A.) (Accepted 15 Cited by: 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. U.S. wild-caught coho salmon is a smart seafood choice because it is sustainably managed and responsibly harvested under U.S.

regulations. NOAA Fisheries works in cooperation with federal, state, tribal, and Canadian officials to manage these commercial, recreational, and tribal harvest of salmon and steelhead in ocean and inland waters of the West Coast and Alaska.

Coho salmon are the backbone of the Alaskan troll fishery; however, the majority are caught by the net fishery (gillnet and seine). Coho salmon average % by fish and % by weight of the annual Alaska salmon harvest.

The total North Pacific yields of the pink salmon, chum salmon and sockeye Production of coho salmon from the Taku River are some 10–20 fold larger by weight.

Coho return to spawn in the Sol Duc River. nps photo. 6: Spawning Migration It is unknown how exactly salmon detect their natal streams, though it is suspected that scents and chemical cues, as well as the sun, play an important role in the homeward migration.

Once the salmon reach freshwater, they stop feeding. Beavers (Castor canadensis) may strongly influence juvenile salmon production by damming spring brooks that are primary rearing habitats on expansive floodplains of large Pacific Rim salmon studied three floodplain rearing habitats in the Kwethluk River, Alaska: free-flowing (beaver-free, n = 3) and beaver-influenced (below beaver dams, n = 4) spring brooks and early.

In the Taku River, Alaska, a large glacial river system comparable to the Alsek River, rearing juvenile sockeye, coho, and chinook salmon were virtually absent when currents exceeded 30 cm/s.

Habitat utilization was determined in summer by sampling 54 sites of nine habitat types: main channels, backwaters, braids, channel edges, and sloughs in the river; and beaver ponds, terrace tributaries, tributary mouths, and upland sloughs on the valley floor.

The consumption of recently emerged sockeye salmon Oncorhynchus nerka by juvenile coho salmon O. kisutch in Chignik Lake, Alaska, was estimated for 15 May–5 August, – 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.

The Coho Salmon Hatchery Team has been rearing endangered Central California Coast coho salmon since In17 years after the first Russian River rescue, the team formed a new partnership with The Nature Conservancy, the Conservation Fund, and.

Global production of coho salmon peaked at more than tonnes inresulting in a precipitous drop in ex-farm prices due to oversupply. 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   Coho salmon (Oncorhynchus kisutch) were once a thriving species in southern British Columbia, acting as a source of food, livelihood, and ch on the survival and status of coho salmon in British Columbia has been critical since an unprecedented moratorium on Interior Fraser River stocks was put in place inleading to its designation as an endangered species.

Coho salmon are available primarily headed and gutted, in fillets both frozen and fresh in season from July to October. A limited amount of skinless, boneless coho salmon is sold. Coho is graded,and 9 up. Like other kinds of salmon, coho salmon quality differs greatly depending on the run so buyers recommend learning about.

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. 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. Coho salmon are an anadromous species, meaning they migrate from the ocean to their freshwater natal streams to spawn, or build nests (called redds).

The anadromous life history of salmon plays a key role in bringing nutrients from the ocean back to rivers and the watershed wildlife community.

Stage 1: Eggs. Each batch contains to 1, eggs. Results suggested relatively short, low gradient streams on the North Thompson River floodplain may contribute much more to regional coho production than previously recognized, and counter to some suggestions, adequately seeded interior systems may exhibit production levels comparable to those of coastal streams (~ to smolts-m⁻²).

Coho Salmon AKA: silver salmon, silversides, hookbill, hooknose, sea trout, blueback; French: saumon coho; Japanese: gin-zake Average lifespan in the wild: 2 to 4 years Size: Up to in ( cm) Average Weight: 5 to 12 lbs ( to kg), Record 33 lbs Did you know.

The coho salmon was introduced from Pacific. Coho are a very popular sport fish in Puget Sound. This species uses coastal streams and tributaries, and is often present in small neighborhood streams.

Coho can even be found in urban settings if their needs of cold, clean, year-round water are met. Spawning Coho spawn in small coastal streams and the tributaries of larger rivers.

Open Library is an open, editable library catalog, building towards a web page for every book ever published. Read, borrow, and discover more than 3M books for free. Coho salmon | Open Library.

Assessment of Sockeye Salmon Production Potential in the Bumping River Basin, Storage Dam Fish Passage Study, Yakima Project, Washington, Technical Report Series No.

PN-YDFP, Bureau of Reclamation, Boise, Idaho, March Coho salmon in the Yakima River Basin. Coho salmon were native to the Yakima River basin (Wydoski and Whitney ). Tuck. On another large alluvial river floodplain on the Taku River in Alaska, juvenile salmon were also found to be abundant in parafluvial beaver ponds (Murphy et al., ).

Overall, the scale at which the impact of beavers on salmon production is measured becomes important. Assessment of Sockeye Salmon Production Potential in the Bumping River Basin, Storage Dam Fish Passage Study, Yakima Project, Washington, Technical Report Series No.

PN-YDFP, Bureau of Reclamation, Boise, Idaho, March Coho salmon in the Yakima River Basin. Coho salmon were native to the Yakima River basin (Wydoski and Whitney ). Coho salmon aren't native to the North Santiam River, but they're open for fishing this time of year and make a delicious fish to eat.

SUBSCRIBE NOW $3 for 3 months. bay leaf, zest, zest, shallot, coho salmon, butter, black peppercorns and 10 more Honey Salmon with Snappy Couscous Seconds curry powder, honey, couscous, Orange, salt, pickled peppers in. 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. Coho Salmon. Like my other go-two salmon picks, Coho Salmon is high in anti-inflammatory fats, but has a milder flavor than both King Salmon and Sockeye Salmon, making it a good gateway fish for salmon newbies. Its orangey-red flesh has a firm texture, and many consider it the best type of salmon for grilling.

Coho Salmon from Alaska is MSC. Every fall coho salmon return to our Washington rivers. This fish are more numerous than their larger cousins, the chinook, and can be quite aggressive at time.

They are a very popular salmon to fish for and catch. This guide covers the basics on how to catch these fish once they enter the rivers to spawn.

Produc kilograms of salmon a year, Heggelund is preparing to rapidly expand production on his hectare farm, and is already working closely with large purchasers such as Compass Group. The Taku River is home to Southeast Alaska’s largest and most important king salmon stock, and it is rapidly declining.

There is no management plan governing the catch of Taku River kings, even though most of the sport catch and all of the commercial troll catch of Taku-bound kings occurs before the in-river escapement can be estimated.

14, coho salmon to the Clearwater River Subbasin. The historical presence of coho salmon in the Clearwater River Subbasin was documented by Schoning (, ) and Fulton (). Nez Perce Tribe elders confirm that coho salmon were present in the mainstem Clearwater River as well as.

Salmon play an integral part of tribal religion, culture, and physical sustenance. Below is a short list of the many ways in which salmon are sacred to the Columbia River Basin tribes of the Pacific Northwest: Salmon are part of our spiritual and cultural identity.

Winter bring the return of Coho Salmon to the Klamath River. Take a dive with he Mid-Klamath Watershed Council's Fisheries Program as they monitor and swim with Coho Salmon. Tauyskaya Bay and the Ola River were sufficient to support a commercial fishery (Shmidt ).

On the southwest coast of Kamchatka, the most important salmon-producing river is the Bolshaya, which yields 25%% of the regional catch. How­ ever, more than 90% of the production is pink salmon (Oncorhynchus gorbuscha), with coho repre­.

The Taku River enters the ocean 20 km south of Juneau, Alaska. About 90% of [2] watershed is located in a roadless wilderness in British Columbia, Canada.

Taku Inlet is a narrow fjord, km wide by 18 km long (Fig. In addition to chum salmon, the Taku River supports stable runs of sockeye (O. nerka), Chinook (0. Coho Salmon average lbs in size, but can grow up to 10 lbs in fall.

On rare occasions, anglers hook 20+ lb Cohos, with the IGFA world record standing at 33 lbs 4 oz. Coho Salmon .Most Coho Salmon spawn in the fall months, however, spawning comes earlier in the north than it does in the south due to lower water temperatures coming earlier in the season.

Birth River. Once Coho Salmon reach their natal site in their birth river, female Coho Salmon dig a nest where the river bed is gravel covered or pebble required to double coho salmon smolt production; restoring 20% of the stream resulted in an increase of 25%.

Focusing on particular habitats that limit salmon production and implementing restoration efforts lower in the river system should be even more efficient (Roni et al. ).