Results
2251 - 2275 of 2700 Items << < 86 87 88 89 90 91 92 93 94 95 > >>
2251 - 2275 of 2700 Items << < 86 87 88 89 90 91 92 93 94 95 > >>
|
Freshwater discharge from large rivers into the coastal ocean creates tidally-driven frontal systems
known to enhance mixing, primary production, and secondary production. Many authors suggest that
tidal plume fronts increase energy flow to...
2014-09 (iso8601)
|
|
The research presented in this thesis is concerned
with the
characterization of two salmonid cell lines, CSE 119 derived
from
embryos of coho salmon (Oncorhynchus kisutch) and
STE 137 derived
from embryos of steelhead trout (Salmo gairdneri).
The...
1970-10-12 (iso8601)
|
|
Disease is a primary threat to the continued growth in salmon aquaculture due to its extensive effects on the sector. Aquaculture farms suffer the most direct and immediate economic losses through reduction in growth, low feed efficiency and...
2012 (iso8601)
|
|
"Clear Creek, tributary of North Fork John Day River, is a mountain stream located in the Blue Mountains of eastern Oregon. It joins Granite Creek about 1.5 miles below the old abandoned mining town of Granite. Gravel removed from Clear Creek by...
1965 (iso8601)
|
|
A new Lactobacillus species is proposed to include 17 strains of a bacterium from rainbow (Salmo gairdneri) and cutthroat trout (Salmo clarki), and chinook salmon (Oncorhynchus tshawytscha). The bacterium was isolated most frequently from fish...
1983-12-01 (iso8601)
|
|
There are only three fundamental sources for increasing seafood supply: 1) better management and utilization of wild fish stocks, 2) aquaculture and 3) aquaculture-enhanced 'wild' fisheries. However, nearly all significant growth in global seafood...
2008 (iso8601)
|
|
As background, at the national level, for many years the U.S. Bureau of Commercial Fisheries concentrated on exploratory
fishing, gear development, food science, catch statistics, scientific research, and marketing, and serviced the commercial...
2001 (iso8601)
|
|
Traditional aquaculture has to a large extent used herbivore species with limited requirements for additional
feeding. However, in intensive aquaculture production one farm carnivore species like salmon and also feeds herbivore
species with...
2001 (iso8601)
|
|
Diets containing cyclopropenoid fatty acids (CPFA) were fed to
rainbow trout. At a level of 223 ppm (from Sterculia foetida oil),
these CPFA in six weeks reduced weight gain by as much as 50 percent
over the control fish on the same diet without...
1967-03-17 (iso8601)
|
|
Chromosome counts were determined for 152 accessions of Pseudoroegneria
spicata (Pursh) A. Löve and, combined with existing count
data, used to plot the distribution of diploid and tetraploid populations.
Morphological variation of 55 characters...
1986-03-20 (iso8601)
|
|
Sharing data across geographic and jurisdictional boundaries is one way that Pacific Northwest resource managers, policy makers, and scientists can improve their ability to make decisions about natural resources, including salmonid recovery,...
2009 (iso8601)
|
|
Our proportion of undergraduates from under-represented groups has increased from about 7% in 2002 to 13 % in 2007. This presentation will discuss a variety of strategies, tools and ideas for recruiting and retaining natural resource students...
2008-04-30T22:48:10Z (iso8601)
|
|
Oregon's only remaining non-reservoir population of adfluvial bull trout (Salvelinus confluentus) is found in Odell Lake, in the headwaters of the Deschutes River. The population size is unknown, but appears to be quite small. Limited spawning...
2007-07-11T22:33:54Z (iso8601)
|
|
304 REPORT OP THE CHIEF OP ENGINEERS, U. S. ARMY.
July 1, 1887, amount available.......................................... ©45 gg
July 1, 1883, amount expended during fiscal year, exclusive of liabilities
outstanding July 1,...
2006-06-16
|
|
The above statements include those vessels twice discharging or receiving part cargo at Astoria and Portland, which class is principally made up of San Francisco steamships, numbering for the year a little over 100 each way. On the other hand, the...
|
|
The following refer to the district of Willamette for year ending May 31, 1882, and are furnished by Mr. F. N. Shurtliff, collector :
Value of imports $58,001
Value of exports 6, 614,243
Coastwise arrivals, number, 161 ; registered tonnage...
|
|
EXPORTS OF FLOUR TO DATE.
Cleared. Vessels. Barrels. Value.
Sept. 30 French bark Marrianne 784 83, 200
Nov. 2 British bark Arbutus, Queenstown 1, 934 7, 736
7 British bark Eliz. Doug-all, Hong-Kong 5, 455 19, 841
12 British ship...
|
