Evaluation of a floating salmon smolt collector at Merwin Dam
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Evaluation of a floating salmon smolt collector at Merwin Dam by Allen, Richard L.

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Published by Washington Dept. of Fisheries in [s.l.] .
Written in English


  • Salmon fisheries -- Washington (State) -- Lake Merwin.,
  • Fish-culture -- Washington (State).,
  • Smolting.

Book details:

Edition Notes

Bibliography: p. 33.

StatementRichard L. Allen, Lloyd O. Rothfus.
SeriesTechnical report - Washington Department of Fisheries -- no. 23., Technical report (Washington (State). Dept. of Fisheries) -- no. 23.
ContributionsRothfus, Lloyd O.
The Physical Object
Paginationiv, 37 p. :
Number of Pages37
ID Numbers
Open LibraryOL17720701M

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In a article about salmon and dams, High Country News interviewed Floyd Dominy, 84, who was commissioner of the Bureau of Reclamation during the Columbia River Basin dam-building frenzy of the s and s, and then-current commissioner Dan Beard, who was known for his anti-dam leanings.   These calculations are called “smolt-to-adult ratios” or SARs for short. An SAR of 2 percent is required just to maintain existing populations levels. Think of it this way: if two salmon spawn and produce offspring, then two of those offspring need to return as adults just to break even. The salmon left the Bundorragha River in Co. Mayo on the 27/04/ as a 1 year old smolt of 49g only to return from the sea on the 05/11/ at g. Zero Sea Winter Salmon Scale Scientists today have a greater array of techniques to study the complex life cycle of this important species.   Eight of the existing m (30 ft) diameter circular culture tanks at the White River National Fish Hatchery in Bethel, Vermont, were retrofitted and plumbed into two L/min partial water reuse systems to help meet the region's need for Atlantic salmon (Salmo salar) smolt partial reuse systems were designed to increase fish production on a .

Trout and Salmon of North America By Robert J. Behnke, George Scott (Editor), Joseph R. Tomelleri (Illustrator), and Thomas McGuane, Hardcover, pages. This new book is an authoritative, easy-to-use guide to all types of trout and salmon of North America. Modifications to dam design and operation have increased Columbia River smolt survival in the past 20 y [5,39,45,46]. Our initial results from the use of large-scale acoustic arrays over 5 y together with PIT tag data suggest that the overall migratory survival of salmon smolts in the Columbia and Fraser systems is now similar. This study evaluated Atlantic salmon Salmo salar smolt survival through the lower Penobscot River, Maine, U.S.A., and characterized relative differences in proportional use and survival through the main‐stem of the river and an alternative migration route, the Stillwater Branch. The work was conducted prior to removal of two main‐stem dams and operational changes in . NF = North Fork of Lewis River below Merwin Dam. the evaluation of: 1) and L. Wasserman. Estimating Coho Salmon rearing habitat and smolt. production losses in a large river basin.