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Filtering by: Creator Jones, Brian Dion Creator Heppell, Scott A.

A cross-shelf gradient in δ¹⁵N stable isotope values of krill and pollock indicates seabird foraging patterns in the Bering Sea

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Jones, Nathan M., Hoover, Brian A., Heppell, Scott A., and Kuletz, Kathy J.

Abstract:

Concurrent measurements of predator and prey δ¹⁵N isotope values demonstrated that a cross-shelf isotopic gradient can propagate through a marine food web from forage species to top-tier predators and indicate foraging areas at a scale of tens of kilometers. We measured δ¹³C and δ¹⁵N in muscle tissues of thick-billed murres...

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foraging patterns in the Bering Sea Nathan M. Jones a,n, Brian A. Hoover a, Scott A. Heppell b, Kathy J
Prey Patch Patterns Predict Habitat Use by Top Marine Predators with Diverse Foraging Strategies

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Benoit-Bird, Kelly J., Battaile, Brian C., Heppell, Scott A., Hoover, Brian, Irons, David, Jones, Nathan, Kuletz, Kathy J., Nordstrom, Chad A., Paredes, Rosana, Suryan, Robert M., Waluk, Chad M., and Trites, Andrew W.

Abstract:

Spatial coherence between predators and prey has rarely been observed in pelagic marine ecosystems. We used measures of the environment, prey abundance, prey quality, and prey distribution to explain the observed distributions of three co-occurring predator species breeding on islands in the southeastern Bering Sea: black-legged kittiwakes (Rissa tridactyla), thick-billed...

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by Top Marine Predators with Diverse Foraging Strategies Kelly J. Benoit-Bird1*, Brian C. Battaile3

ScholarsArchive@OSU

A cross-shelf gradient in δ¹⁵N stable isotope values of krill and pollock indicates seabird foraging patterns in the Bering Sea

Prey Patch Patterns Predict Habitat Use by Top Marine Predators with Diverse Foraging Strategies

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