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2 edition of Biological characteristics and population status of steelhead (Oncorhynchus mykiss) in southeast Alaska found in the catalog.

Biological characteristics and population status of steelhead (Oncorhynchus mykiss) in southeast Alaska

Samuel Clark Lohr

Biological characteristics and population status of steelhead (Oncorhynchus mykiss) in southeast Alaska

by Samuel Clark Lohr

  • 182 Want to read
  • 36 Currently reading

Published by United States Dept. of Agriculture, Forest Service, Pacific Northwest Research Station in Portland, Or .
Written in English

    Subjects:
  • Steelhead (Fish) -- Alaska.,
  • Fish stock assessment -- Alaska.,
  • Fish populations -- Alaska.

  • Edition Notes

    StatementSamuel C. Lohr and Mason D. Bryant.
    SeriesGeneral technical report -- PNW-GTR-407., General technical report PNW -- 407.
    ContributionsBryant, Mason D., Pacific Northwest Research Station (Portland, Or.)
    The Physical Object
    Pagination29 p. :
    Number of Pages29
    ID Numbers
    Open LibraryOL17701899M

    A steelhead population classified as intermediate has a mean minimum abundance threshold criteria of 1, natural-origin spawners with sufficient intrinsic productivity (≥ recruits per spawner at the minimum abundance threshold) to achieve a 5% or less risk (“low risk”) of extinction over a . The National Oceanic and Atmospheric Administration, in cooperation with the U.S. Fish and Wildlife Service and Environmental Protection Agency, groups steelhead and salmon into distinct population segments (DPS). There are currently 15 DPS for steelhead (Oncorhynchus mykiss) and 31 evolutionary significant units (ESU) for five species of Pacific salmon food: Salmon as food, Cured salmon, .

    Health is determined by several factors including genetic inheritance, personal behaviors, access to quality health care, and the general external environment (such as the quality of air, water, and housing conditions). In addition, a growing body of research has documented associations between social and cultural factors and health (Berkman and Kawachi, ; Marmot and Wilkinson, ).Cited by: 6. The most recent status assessment of the DPS found “[t]he biological risks faced by the Puget Sound steelhead DPS have not substantively changed since the listing in (NMFS ; 81 FR ). The abundance of natural spawners is very low and productivity remains predominately negative.

    7 Biological issues and conflicts regarding fish hatcheries led to a national symposium in The proceedings of that symposium were published as a book by the American Fisheries Society: Schramm, H.L., Jr., and R.G. Piper (eds.). Uses and Effects of Cultured Fishes in Aquatic Ecosystems. The Kamchatka Steelhead Project was developed jointly by the Ichthyology Department of Moscow State University (Russia) and the Wild Salmon Center (USA) to study and conserve steelhead, a species listed in the Red Book of Russia. In the first five years of work (), participants in the joint program conducted expeditions on eight rivers in western Kamchatka collected a wide variety of.


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Biological characteristics and population status of steelhead (Oncorhynchus mykiss) in southeast Alaska by Samuel Clark Lohr Download PDF EPUB FB2

Biological characteristics and population status of steelhead (Oncorhynchus mykiss) in southeast Alaska. 1 online resource (29 p.) (OCoLC) Microfiche: Lohr, Samuel Clark, Biological characteristics and population status of steelhead (Oncorhynchus mykiss) in southeast Alaska. 1 microfiche (OCoLC) Online version.

Biological characteristics and population status of steelhead (Oncorhynchus mykiss) in southeast Alaska [electronic resource] / Samuel C. Lohr and Mason D. Bryant U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station Portland, Or.

Biological characteristics and population status of steelhead (Oncorhynchus mykiss) in southeast Alaska. 1 online resource (29 p.) (OCoLC) Print version: Lohr, Samuel Clark, Biological characteristics and population status of steelhead (Oncorhynchus mykiss) in Southeast Alaska.

29 p. (DLC) (OCoLC) Material Type. Biological characteristics and population status of steelhead (Oncorhynchus mykiss) in Southeast Alaska. 29 p. (DLC) (OCoLC) Microfiche: Lohr, Samuel Clark, Biological characteristics and population status of steelhead (Oncorhynchus mykiss) in southeast Alaska.

1 microfiche (OCoLC) Material Type. marize biological characteristics and determine population status of anadromous salmonids in southeast Alaska because of declines in stocks of anadromous salmonids in California, Oregon, Idaho, and Washington (Nehlsen and others ).

Biological characteristics and population status of anadromous salmon in southeast Alaska. 1 online resource ( p.) (OCoLC) Microfiche: Biological characteristics and population status of anadromous salmon in southeast Alaska. 3 microfiches (OCoLC) Material Type: Government publication, National government publication.

Healey, M.C. Variation in the life history characteristics of chinook salmon and its relevance to conservation of the Sacramento winter run of chinook salmon. Conservation Biology 8: – CrossRef Google ScholarCited by: Little is currently known about the population biology of steelhead (Oncorhynchus mykiss) that spawn in Pennsylvania's Lake Erie tributaries or the role of natural reproduction in supporting this fishery despite its popularity and goal of this study was to describe the population characteristics of steelhead spawning runs in Crooked Creek, Godfrey Run, and Trout Run, three Cited by: At least 40% of steelhead populations in each of the three MPGs within the DPS achieve viability, depending on the historical biological characteristics and acceptable risk levels for populations.

NOAA Fisheries is committed to conserving and protecting steelhead trout. Our scientists and partners use a variety of innovative techniques to study, learn more about, and protect this species. Protected Status. 1 distinct population segment. Southern California DPS.

10 distinct population segments. California Central Valley DPS. Secrets of Steelhead Biology Essential to Study Planning September This is meant to be a living document. I will be periodically revising and adding to it as I achieve new insights. You can help. Whether you are an angler, biologist or other professional knowledgeable about the species, if you have a contribution, send it to me.

status and factors which affect steelhead stocks south of San Francisco Bay. The purpose of this paper is to present the historical and current status of steelhead in coastal California streams south of San Francisco Bay.

Habitat conditions, in conjunction with population information, are used as the means for making Size: 3MB. This chapter describes the origin, diversity, genetic structure, and population structure of Pacific salmon and steelhead trout in the Columbia River Basin (CRB).

Biological characteristics and population status of steelhead (Oncorhynchus mykiss) in Southeast Alaska. US Forest Service, Pacific Northwest Research Cited by: The rainbow trout (Oncorhynchus mykiss) is a trout and species of salmonid native to cold-water tributaries of the Pacific Ocean in Asia and North America.

The steelhead (sometimes called "steelhead trout") is an anadromous (sea-run) form of the coastal rainbow trout (O. irideus) or Columbia River redband trout (O.

gairdneri) that usually returns to fresh water to spawn after living two Family: Salmonidae. For most people, thinking about health and health care is a very personal issue. Assuring the health of the public, however, goes beyond focusing on the health status of individuals; it requires a population health approach.

As noted in Chapter 1, America's health status does not match the nation's substantial health investments. The work of assuring the nation's health also faces dramatic.

Lohr SC, Bryant MD () Biological characteristics and population structure of steelhead (Oncorhynchus mykiss) in Southeast Alaska. United States Forest Service Technical Report PNW-GTR U.S.

Department of Agriculture, Forest Service, Pacific Northwest Research Station, Portland, OR, p Cited by: This technical memorandum develops viability criteria for the Puget Sound Steelhead DPS as identified in the NMFS status review (Hard et al.

Status Review of Puget Sound Steelhead, NOAA Tech. Memo. NMFS-NWFSC). The DPS was listed as a threatened species under the ESA in May SAVING THE SOUTHERN CALIFORNIA STEELHEAD TROUT.

Steelhead are a unique form of rainbow trout. Like salmon, they spent most of their adult lives in the ocean, but spawn in freshwater streams and rivers.

Southern steelhead are survivors, adapted to seasonally dry streams in the arid climate at the extreme southern end of the steelhead range. In book: NOAA Technical Memorandum, Edition: NMFS-NWFSC, Chapter: Status review of Puget Sound steelhead (Oncor hynchus mykiss), Publisher: U.S.

Department of Commerce, pp Cite this. Request PDF | On Jan 1,P J Busby and others published Status Review of Steelhead from Washington, Idaho, Oregon, and California | Find, read and .Modeling Steelhead Population Energetics in Lakes Michigan and Ontario Biological characteristics used by the model include the fish's gill morphometry, feeding and .The Endangered Species Act of has a long and litigious history in the Columbia River Basin.

Twelve specific populations, or evolutionarily significant units, of four species of Columbia River Basin salmon and steelhead, and two resident species, bull trout and Kootenai River white sturgeon, have been listed for protection under the ESA since