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2576 - 2600 of 2700 Items << < 99 100 101 102 103 104 105 106 107 108 > >>
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Abstract
The objectives of this two-year study (1998-1999) were to document distribution, abundance, age class structure, recruitment success, and habitat use by all life history stages of shortnose and Lost River suckers in three lower Klamath...
2000-03-28
2005-07-18 2005-06-02 |
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"GAO-05-211"; "April 2005"
2024-04-19
2005-05-06 2005-05-03 |
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Temperature influences the incidence of chemically induced cancer in fish,
with warmer temperatures being associated with higher cancer incidence. The
mechanisms of temperature-modulated chemical carcinogenesis in fish, however,
have not been...
1996-03-06 (iso8601)
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Date of memorandum: August 4, 1948; Includes: "Creel Census Report for July, 1948."; "Donald S. Farner, Ranger-Naturalist."
2024-04-19
2010-05-25 2010-06-14 |
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The Chamokane game fish hatchery at Ford, Washington, provided by the government, and operated by the state fish and game commission, for the purpose of stocking the hatchery with game fish.
1942-06-01
2024-04-19 |
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Packhorse trains were used to carry supplies into the Nada Camp over a six-mile trail.
1938-12-21
2024-04-19 |
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1 map ; 40 x 42 cm. Letters and symbols indicate fishing grounds for salmon, trout, halibut, smelt, rockfish and oysters. Also shows gill-nets, pound nets and canneries. Includes coastal features, islands and cities. Shows the Pacific coast of...
1891-04-19
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Discrete coldwater patches within warm streams provide potential thermal
refuge for coldwater fishes during periods of heat stress. This analysis focused on
heterogeneity in stream water temperatures as influenced by local influx of cooler...
2001-11-09 (iso8601)
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Euphausia pacifica, the North Pacific krill, is a key grazer in the California Current System and an important prey item for consumers such as salmon, seabirds, and whales. As a crucial link between phytoplankton and higher trophic levels, it is...
2013-08-27 (iso8601)
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This dissertation examines learning driven adaptations in salmon recovery efforts and water resources management in Oregon. The case study utilizes a framework highlighting the connections between human and natural systems. Semi-structured...
2015-06-10 (iso8601)
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Studies of δ¹⁸O held in freshwater bivalve shell carbonate are useful for reconstructing paleoclimates and environmental changes and inform interpretations about past human behavior and periods of culture change. Stable isotope analyses (δ¹⁸O) of...
2015-06-08 (iso8601)
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Concentrations of polybrominated diphenyl ethers (PBDEs),
pesticides, polychlorinated biphenyls (PCBs), and polycyclic
aromatic hydrocarbons were measured in 136 fish from 14 remote
lakes in 8 western U.S. National Parks/Preserves between
2003 and...
2008-02-21 (iso8601)
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Dietary restriction (DR) is the gold standard intervention used to delay aging, and much recent research has focused on
the identification of possible DR mimetics. Energy sensing pathways, including insulin/IGF1 signaling, sirtuins, and
mammalian...
2014-04-22 (iso8601)
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The objective of this paper is to explore eating and shopping habits related to fish across five European countries. A cross sectional consumer survey was carried out in Belgium, Denmark, Netherlands, Poland, and Spain. A total sample of 4800...
2006-11 (iso8601)
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In Europe, the United Kingdom is one of the top nine producers of trout. Scotland accounts for
approximately 50% of total production in the UK. This shows that the Scottish trout farming sector is
important both at the local and has relevance...
2012 (iso8601)
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The population dynamics and reproductive strategies of the
stream snail Oxytrema silicula were examined in four coastal streams
in Oregon representing a small first order stream, a wider third
order stream and a fourth and sixth order stream....
1976-08-31 (iso8601)
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Motivation: The goal of any parentage analysis is to identify as many parent-offspring relationships as possible, while minimizing incorrect assignments. Existing methods can achieve these ends, but require additional information in the form of...
2013-03-15 (iso8601)
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The Chiloe archipelago (Patagonia, Chile) economy lies upon agriculture,
fisheries and aquaculture. The marine activities were recently affected by
an epidemic crisis in salmon farming and a market crisis for most of the
seafood products,...
2010 (iso8601)
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It has long been observed that stress can increase our
susceptibility to infectious diseases and cancers. Recent
experimental evidence suggests that this increased susceptibility is
due to suppression of immunity. A variety of neuroendocrine...
1988-06-03 (iso8601)
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This paper examines the relationship between U.S. aquaculturists‟ intended actions to expand production capacity abroad and the factors influencing their choices. These factors include aquaculturists‟ perceptions of market conditions; regulatory...
2010 (iso8601)
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Because rapamycin, an inhibitor of the nutrient sensor mammalian target of rapamycin, and dietary restriction both increase life span of mice, it has been hypothesized that they act through similar mechanisms. To test this hypothesis, we compared...
2013-02 (iso8601)
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