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ScholarsArchive at Oregon State University
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Global increases in ultraviolet-B radiation (UVBR:290-
320 nm) resulting from decreases in stratospheric ozone
concentration have the potential to alter marine primary
production and affect global climate and marine trophic
dynamics. Effects of...
1993-07-09 (iso8601)
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Calanoid copepod diet was investigated in Oregon coastal waters to determine
the trophic significance of phagotrophic protists as copepod prey within an ecosystem
where the microplankton biomass is typically dominated by large diatoms. Prior to...
1995-09-25 (iso8601)
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1995-03-02 (iso8601)
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Juvenile walleye pollock (Theragra chalcogramma) are one of the primary prey items for bird and mammal predators in the Bering Sea and support a large commercial fishery. An understanding of the environmental factors that determine the horizontal...
2011-05-19 (iso8601)
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Birth and pupping season records of Pacific harbor seals
(Phoca vitulina richardsi) were used in an analysis of
photoperiod effect on the timing of birth in this species. Dates
and latitudes of births were converted into photoperiods using a...
1985-12-13 (iso8601)
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Internal waves of depression were observed propagating
along‐shelf and into northern Monterey Bay, California
(CA) on the inner shelf. These waves had amplitudes
approximately equal to the thermocline depth (∼4 m), and
were unstable to shear and...
2011-01-13 (iso8601)
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Satellite observations have revealed a remarkably strong positive correlation
between sea surface temperature (SST) and surface winds on oceanic mesoscales of
10–1000 km. Although SST influence on the atmosphere had previously been identified
from...
2010 (iso8601)
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Land-associated, sound-scattering layers of mesopelagic micronekton surround the Hawaiian Islands. These animals undergo diel
migrations during which they split into multiple, distinct layers that have differences in animal density, taxonomic...
2009-02-02 (iso8601)
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Most of the kinetic energy of ocean circulation is contained in ubiquitous
mesoscale eddies. Their prominent signatures in sea surface height have rendered satellite
altimetry highly effective in observing global ocean eddies. Our knowledge of...
2010 (iso8601)
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This study examines potential interactions among the environmental variables likely to
affect larval walleye pollock Theragra chalcogramma feeding in the sea. Walleye pollock larvae were
sampled from Shelikof Strait, Gulf of Alaska, and from the...
2005 (iso8601)
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Capelin are a major component of cod diet in many ecosystems of the North Atlantic. In
the Bering Sea, however, the percentage of capelin found in Pacific cod stomachs is negligible. We
hypothesize that the landscape (or ‘seascape’) features of...
2005-04-28 (iso8601)
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Pacific cod (Gadus macrocephalus)
is an important component
of fisheries and food webs in the North
Pacific Ocean and Bering Sea. However,
vital rates of early life stages of
this species have yet to be described
in detail. We determined the...
2010-06-08 (iso8601)
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Northeast Pacific Ocean sediments were analyzed to determine the past
relationship between northeast Pacific sea surface conditions and the climate on the
adjacent continent, the Pacific Northwest of North America. Studies of modern...
1994-10-04 (iso8601)
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1996-03-14 (iso8601)
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