Results
751 - 775 of 2700 Items << < 26 27 28 29 30 31 32 33 34 35 > >>
751 - 775 of 2700 Items << < 26 27 28 29 30 31 32 33 34 35 > >>
|
Waterfall Creek near confluence with Middle Fork Salmon River
Waterfall Creek enters Middle Fork Salmon River just above Big Creek on left bank The creek is too precipitous for migratory fish
1941-06-22
2003-01-01 |
|
Looking down into French Fork of Salmon River, Idaho
1935-09-10
2003-01-01 |
|
Collecting milt from ripe male chinook salmon at the Middle Santiam Salmon Hatchery near Foster, Oregon; Archie Anderson and assistant; 1940-09-25 From Album 1 page 7
2024-11-22
2003-01-01 |
|
Caption on mount: Eureka Packing Company, Columbia River, Washington
PH Coll 293.42 |
|
Caption on mount: Pillar Rock Packing Company. Columbia River, Washington
PH Coll 293.48 |
|
1- The Alaskan Matanuska-Susitna Basin (MSB) provides habitat for all five Pacific salmon species, and their large seasonal spawning runs are important both ecologically and economically. However, the encroachment of human development through...
2018-07-31
|
|
We evaluated patterns of redd site selection in relation to physical habitat variables (depth, velocity, and gravel size) using logistic regression and developed spawning habitat suitability models for two populations of spring Chinook salmon...
2004-01-01
|
|
From John Cobb field notebook: Run boats with salmon alongside Glory of the Seas. Aug. 19, 1911.
Floating salmon cannery of the Alaska Fish Co.
2024-11-22
|
|
The Gerald W. Williams Lantern Slides Collection consists of lantern slides assembled and acquired by Williams in the course of his work as a Forest Service sociologist and historian and due to his avocational interest in the history of forestry...
|
|
The Joe Cone Papers consist of materials
created and assembled by Cone in the course of writing
A Common Fate: Endangered Salmon and the People
of the Pacific Northwest and include reference materials,
correspondence, chapter...
|
|
"The chum salmon pilot production project at Netarts Day, Oregon, is intended to develop a technology for commercial application of extensive salmonid culture on the one hand, and to demonstrate that technology on the other. This report reviews...
1974-03-17 (iso8601)
|
|
Neutral genetic markers are routinely used to define distinct units within species
that warrant discrete management. Human-induced changes to gene flow however
may reduce the power of such an approach. We tested the efficiency of adaptive
versus...
2013-12 (iso8601)
|
|
One chapter of a seven chapter annual report from 1999 examining ecological issues regarding the shortnose and Lost River sucker populations in Upper Klamath Lake and Williamson River.
2024-11-22
2005-09-11 2005-01-20 |
|
Numerous fishery researchers have attempted to preserve viable fish sperm, but only three investigations were successful in the fertilization of fresh eggs with frozen and thawed sperm: Blaxter (1953); Hoyle and Idler (1968); and Graybill and...
1969-09-04 (iso8601)
|
|
Temperature was elevated approximately 4° C in a model stream relative to an unheated, but otherwise similar control stream. The streams were located outdoors, received identical amounts of exchange water from a nearby creek, and followed natural...
1974-11-22 (iso8601)
|
|
We describe a disease syndrome that afflicts larval, landlocked Atlantic salmon Salmo salar from Cayuga Lake, one of central New York's Finger Lakes. Mortality associated with the “Cayuga syndrome” is 98–100%. Death usually occurs between 650 and...
1995-06 (iso8601)
|
|
The research involved development of two ecological
simulation models to explain the complex dimensionality of
chinook salmon (Oncorhynchus tshawytscha) life history
structure (represented by the age composition of the
spawning stock) and...
1990-03-13 (iso8601)
|
|
This paper analyses the management of the Atlantic salmon stocks in the Baltic Sea through a coalition
game in partition function form. The signs of economic and biological overexploitation of these salmon stocks over the last two decades indicate...
2008 (iso8601)
|
|
Trolling (the use of lures behind a moving boat) for salmon has probably been practiced for thousands of years with oars and
sails. But it was not until the advent of reliable gasoline engines and increased regulations on the estuary gillnet...
2001 (iso8601)
|
|
Oregon Revised Statute (ORS) 541.409, which created the Independent Multidisciplinary Science Team (IMST), specifies that agencies are to respond to the recommendations of the IMST, stating “(3) If the Independent Multidisciplinary Science Team...
2006-12-14 (iso8601)
|
|
Anadromous coastal cutthroat trout Oncorhynchus clarkii clarkii may be highly dependent on estuaries, passing through them multiple times during their lifetime. However, few studies have investigated estuarine use by coastal cutthroat trout and it...
2007-08-13T14:30:15Z (iso8601)
|
|
This document compiles written responses by experts in their respective fields to questions from the Salmon Anchor Habitat Work Group about the Salmon Anchor Habitat Strategy component of Oregon Department of Forestry Northwestern Oregon State...
2005-07-18T17:10:40Z (iso8601)
|
|
V. Watershed Initiatives
Hydropower is much less a factor in the tributary streams than in the mainstem. Tributaries are more often dried up by water diversions, warmed and polluted by agricultural use and grazing, and silted up by timber... |
|
to try to get them past the dam. The managers relocated the upper Columbia salmon stocks into other tributaries and a hatchery at Leavenworth, one of the first of many.54
The Lower Columbia River Fishery Development Program, funded by the...
|
