Report of the PICES/NPRB Workshop on Integration of Ecological
Ecosystem Considerations for 2006 in fishery management – Upper trophic level and aggregate indicators for the status of the southeastern Bering Sea by ...
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20. Assessment of the shark stock complex in the Bering Sea and
Dec 12, 2014 ... NPFMC Bering Sea and Aleutian Islands SAFE .... southern Atlantic were misidentified as Pacific sleeper sharks and are ... Spiny dogfish occupy shelf and upper slope waters from the Bering Sea to the ..... Salmon sharks are opportunistic feeders, sharing the highest trophic level of the food web in subarctic.
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Forecast fish, shellfish and coral population responses to ocean
responses to ocean acidification in the north Pacific Ocean and Bering Sea: An ..... a level of undersaturation predicted for Southern Ocean surface waters in the .... and aggregate into dense groups of hundreds to thousands of individuals ... upper slope of the Gulf of Alaska, the Aleutian Islands, the eastern Bering Sea, and.
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for Groundfish of the Bering Sea and Aleutian Islands Management
Economic Zone (EEZ) of the Bering Sea and that portion of the North Pacific Ocean ... capacity to harvest and process up to the level of optimum yield of all species ... require a Federal groundfish license, except for: vessels fishing in State of ...
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Differential response in chick survival to diet in least and crested
Feb 16, 2006 ... not measure responses of upper-trophic-level organ- isms. Trophic ... western, and southern Pacific, associated with a warm- ing trend in the ... foraging ecology in the Bering Sea may be obtained during research .... Aggregate percent- age of prey ... period to record status (active vs. failed). Nests were.
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Patterns of spatial and temporal variation in the marine ecosystem of
Aug 5, 2008 ... southeastern Bering Sea, with special reference to the Pribilof Domain. George L. Hunt Jr.a,Г .... numbers probably continued to decline, though their status is not monitored. ... upper trophic level species and their population dynamics ...... concentrate their foraging, and are also areas where fish aggregate.
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Changes in the distribution and abundance of albatrosses in the
May 21, 2014 ... Cross-shelf fluxes in the southeastern Bering Sea are generally weak and are .... albatrosses may aggregate near fishing vessels (Weimerskirch et al., 2000). ..... upper trophic levels in response to ecosystem changes. .... status, foods and foraging of Laysan Albatrosses Phoebastria immutabilis nesting.
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Full Text (PDF) - Proceedings of the National Academy of Sciences
Mar 31, 2014 ... in the subarctic North Pacific Ocean and Bering Sea (SNPO/BS). .... other upper trophic level pelagic species, plankton standing stocks .... colonies in the southern Bering Sea and Aleutian Islands (Fig. 1) ..... In aggregate, the ..... condition of short-tailed shearwaters in the Bering Sea: Can fish compete with.
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Whales and Whaling in the North Pacific Ocean and Bering Sea
of Alaska and Bering Sea, although sperm whales remained ... Did the removal of megatons of upper-trophic-level con- ..... and the East China Sea, in the southeastern Bering Sea, and ..... although N. a/status also was common prey, particularly at and .... on all of the islands on the northern shelf, and in aggregate, number ...
[ Springer-van_Vliet-Piatt-Danner_2006.pdf - Read/Download File
Gulf of Alaska Ecosystem Indicators Survey - RegInfo.gov
selection for the eastern Bering Sea and Aleutian Islands, the survey results will ... informative of the current and likely future state of the GOA ecosystem. ... 4 - Characterizes the state ofthe El Nino Southern Oscillation; 19-48-present O O O .... energy from lower trophic levels into food for larger ﬁsh, marine mammals, and ...
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Recent evidence suggests that the Bering Sea is experiencing a warming trend that .... We described auklet diet composition by calculating aggregate percent biomass .... (56.8°N, 164°W) in the southeast Bering Sea (NOAA 2006). No indices of ..... large impacts on upper trophic-level consumers such as seabirds. ( Stabeno ...
[ 37_3_227-236.pdf - Read/Download File
Chapter 36C. North Pacific Ocean Contributors: Thomas Therriault
Bering Sea, which is one of the largest and most productive in the World Ocean ( Miles et ... from adjacent areas, but status and trend information for biodiversity is not available ... changes, including impacts at higher trophic levels. ... Northeast Pacific anomaly time series for upper ocean temperature, biomass of “Northern”.
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Distribution and Trophic Relationships of Abundant Mesopelagic
Ecoiogy of the Bering Sea: A Review or Russian Literature l59 ... m: upper mesopelagic zone, 200—500 m; and lower .... does not. aggregate to commercial ﬁshing concen- ... ﬁsh rising to this level are small ones measuring 8 ..... ti) from the southeastern Bering Sea. MS. .... The composition and present state of pelagic ﬁsh.
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Hotspots of Seabird Abundance in the California Current - Audubon
change or the status of marine ecosystems or underlying biological processes that are ... an expanded upper and lower trophic level perspective (Russell et al.
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Marine Ecology Progress Series 487:261 - Stony Brook University
attract animals from lower to upper trophic levels, ... ations of the conservation status of red-necked phalaropes Phalaropus lobatus, which have ... zooplankton aggregation into surface waters. ... We sampled sea ... tration Southeast Fisheries Science Center Labora- ...... advection over a shoal near St. George Island, Bering.
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Changes in the cetacean assemblage of a coastal upwelling
key trophic link between primary production and higher trophic level consumers. .... Water temperature, current patterns, and primary production in the upper water column ..... area may have caused whales to aggregate disproportionately in the only ..... Redistributions of cetaceans in the southeast Bering Sea relative to ...
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Download PDF - eScholarship
Oct 3, 2015 ... of shearwaters in the southeastern Bering Sea described by previous workers is the ... needs of other high trophic level organisms. ... 1987 and Hunt 1991 for reviews) frequently aggregate ... Upper island IS St Paul, lower.
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End-To-End Models for the Analysis of Marine Ecosystems - BioOne
Nov 29, 2009 ... between the lower and upper trophic levels, (2) the inclusion of new ...... control of energy flow in the southeastern Bering Sea. Progress in ...
[ C09-059.1 - Read/Download File
Icefield-to-Ocean Linkages across the Northern Pacific Coastal
Mar 18, 2015 ... Bering Sea (Weingartner et al. 2005). The ecosystem-level impacts of glacier change will be most apparent in the northern PCTR, where ...
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Standardized diet compositions and trophic levels of skates - Springer
Feb 14, 2007 ... Results from this study support recent assertions that skates utilize similar resources to those of other upper trophic-level marine predators, e.g. ...
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