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Filtering by: Creator Chipman, Richard B. Non-Academic Affiliation Oregon State University. Sea Grant College Program

Abundance, distribution, and feeding ecology of Pyrosoma atlanticum in the Northern California Current

Creator:

Schram, Julie B., Sorensen, Hilarie L., Brodeur, Richard D., Galloway, Aaron W. E., and Sutherland, Kelly R.

Abstract:

During 2016-2018, unprecedented aggregations of the colonial pelagic tunicate Pyrosoma atlanticum were observed in the Northern California Current (NCC). Pyrosomes are common in tropical and sub-tropical ocean waters, but little is known about their abundance, distribution, and trophic ecology in mid-latitude systems. To assess these factors, pyrosomes were collected during...

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Article
Best practices for assessing forage fish fisheries-seabird resource competition

Creator:

Sydeman, William J., Thompson, Sarah Ann, Anker-Nilssen, Tycho, Arimitsu, Mayumi, Bennison, Ashley, Bertrand, Sophie, Boersch-Supan, Philipp, Boyd, Charlotte, Bransome, Nicole C., Crawford, Robert J. M., Daunt, Francis, Furness, Robert W., Gianuca, Dimas, Gladics, Amanda J., Koehn, Laura, Lang, Jennifer W., Logerwell, Elizabeth, Morris, Taryn L., Phillips, Elizabeth M., Provencher, Jennifer, Punt, André E., Saraux, Claire, Shannon, Lynne, Sherley, Richard B., Simeone, Alejandro, Wanless, Ross M., Wanless, Sarah, and Zador, Stephani

Abstract:

Worldwide, in recent years capture fisheries targeting lower-trophic level forage fish and euphausiid crustaceans have been substantial (∼20 million metric tons [MT] annually). Landings of forage species are projected to increase in the future, and this harvest may affect marine ecosystems and predator-prey interactions by removal or redistribution of biomass...

Resource Type:

Article

ScholarsArchive@OSU

Abundance, distribution, and feeding ecology of Pyrosoma atlanticum in the Northern California Current

Best practices for assessing forage fish fisheries-seabird resource competition

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