Search Results - "Drazen, Jeffrey C."

Dining in the Deep: The Feeding Ecology of Deep-Sea Fishes by Drazen, Jeffrey C, Sutton, Tracey T

“…Deep-sea fishes inhabit ∼75% of the biosphere and are a critical part of deep-sea food webs. Diet analysis and more recent trophic biomarker approaches, such…”
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Marine fish may be biochemically constrained from inhabiting the deepest ocean depths by Yancey, Paul H., Gerringer, Mackenzie E., Drazen, Jeffrey C., Rowden, Ashley A., Jamieson, Alan

“…No fish have been found in the deepest 25% of the ocean (8,400—11,000 m). This apparent absence has been attributed to hydrostatic pressure, although direct…”
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Methylmercury production below the mixed layer in the North Pacific Ocean by Blum, Joel D., Popp, Brian N., Drazen, Jeffrey C., Anela Choy, C., Johnson, Marcus W.

“…Mercury enters marine food webs in the form of microbially generated monomethylmercury. Microbial methylation of inorganic mercury, generating…”
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The rate of metabolism in marine animals: environmental constraints, ecological demands and energetic opportunities by Seibel, Brad A, Drazen, Jeffrey C

“…The rates of metabolism in animals vary tremendously throughout the biosphere. The origins of this variation are a matter of active debate with some scientists…”
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Near-island biological hotspots in barren ocean basins by Gove, Jamison M., McManus, Margaret A., Neuheimer, Anna B., Polovina, Jeffrey J., Drazen, Jeffrey C., Smith, Craig R., Merrifield, Mark A., Friedlander, Alan M., Ehses, Julia S., Young, Charles W., Dillon, Amanda K., Williams, Gareth J.

“…Phytoplankton production drives marine ecosystem trophic-structure and global fisheries yields. Phytoplankton biomass is particularly influential near coral…”
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Mercury isotopes identify near-surface marine mercury in deep-sea trench biota by Blum, Joel D., Drazen, Jeffrey C., Johnson, Marcus W., Popp, Brian N., Motta, Laura C., Jamieson, Alan J.

“…Mercury isotopic compositions of amphipods and snailfish from deep-sea trenches reveal information on the sources and transformations of mercury in the deep…”
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Climate change is projected to reduce carrying capacity and redistribute species richness in North Pacific pelagic marine ecosystems by Woodworth‐Jefcoats, Phoebe A., Polovina, Jeffrey J., Drazen, Jeffrey C.

“…Climate change is expected to impact all aspects of marine ecosystems, including fisheries. Here, we use output from a suite of 11 earth system models to…”
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Climate change considerations are fundamental to management of deep‐sea resource extraction by Levin, Lisa A., Wei, Chih‐Lin, Dunn, Daniel C., Amon, Diva J., Ashford, Oliver S., Cheung, William W. L., Colaço, Ana, Dominguez‐Carrió, Carlos, Escobar, Elva G., Harden‐Davies, Harriet R., Drazen, Jeffrey C., Ismail, Khaira, Jones, Daniel O. B., Johnson, David E., Le, Jennifer T., Lejzerowicz, Franck, Mitarai, Satoshi, Morato, Telmo, Mulsow, Sandor, Snelgrove, Paul V. R., Sweetman, Andrew K., Yasuhara, Moriaki

“…Climate change manifestation in the ocean, through warming, oxygen loss, increasing acidification, and changing particulate organic carbon flux (one metric of…”
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Midwater zooplankton and suspended particle dynamics in the North Pacific Subtropical Gyre: A stable isotope perspective by Hannides, Cecelia C. S., Popp, Brian N., Choy, Anela, Drazen, Jeffrey C.

“…We used amino acid (AA) compound-specific isotope analysis (δ 15NAA and δ 13CAA values) of midwater zooplankton and suspended particles to examine their…”
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Fishes of the hadal zone including new species, in situ observations and depth records of Liparidae by Linley, Thomas D., Gerringer, Mackenzie E., Yancey, Paul H., Drazen, Jeffrey C., Weinstock, Chloe L., Jamieson, Alan J.

“…Observations and records for fish exceeding 6000m deep are few and often spurious. Recent developments in accessing and sampling the hadal zone 6000–11,000m)…”
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Trophic position estimates of marine teleosts using amino acid compound specific isotopic analysis by Bradley, Christina J., Wallsgrove, Natalie J., Choy, C. Anela, Drazen, Jeffrey C., Hetherington, Elizabeth D., Hoen, Danielle K., Popp, Brian N.

“…The increasing use of trophic position (TP) for assessing and describing ecosystems has resulted in the emergence of novel techniques for accurate and…”
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Pseudoliparis swirei sp. nov.: A newly-discovered hadal snailfish (Scorpaeniformes: Liparidae) from the Mariana Trench by Gerringer, Mackenzie E, Linley, Thomas D, Jamieson, Alan J, Goetze, Erica, Drazen, Jeffrey C

“…Pseudoliparis swirei sp. nov. is described from 37 individuals collected in the Mariana Trench at depths 6898-7966 m. The collection of this new species is the…”
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Microbial Community Diversity Within Sediments from Two Geographically Separated Hadal Trenches by Peoples, Logan M, Grammatopoulou, Eleanna, Pombrol, Michelle, Xu, Xiaoxiong, Osuntokun, Oladayo, Blanton, Jessica, Allen, Eric E, Nunnally, Clifton C, Drazen, Jeffrey C, Mayor, Daniel J, Bartlett, Douglas H

“…Hadal ocean sediments, found at sites deeper than 6,000 m water depth, are thought to contain microbial communities distinct from those at shallower depths due…”
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influence of depth on mercury levels in pelagic fishes and their prey by Choy, C. Anela, Popp, Brian N, Kaneko, J. John, Drazen, Jeffrey C

“…Mercury distribution in the oceans is controlled by complex biogeochemical cycles, resulting in retention of trace amounts of this metal in plants and animals…”
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Abyssal deposit feeders are secondary consumers of detritus and rely on nutrition derived from microbial communities in their guts by Romero-Romero, Sonia, Miller, Elizabeth C., Black, Jesse A., Popp, Brian N., Drazen, Jeffrey C.

“…Trophic ecology of detrital-based food webs is still poorly understood. Abyssal plains depend entirely on detritus and are among the most understudied…”
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Depth-Related Trends in Metabolism of Benthic and Benthopelagic Deep-Sea Fishes by Drazen, Jeffrey C., Seibel, Brad A.

“…The metabolism of several animal groups declines with depth even after adjustments for size and temperature. The "visual-interactions hypothesis" explains this…”
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Spatial food-web structure in the eastern tropical Pacific Ocean based on compound-specific nitrogen isotope analysis of amino acids by Hetherington, Elizabeth D., Olson, Robert J., Drazen, Jeffrey C., Lennert-Cody, Cleridy E., Ballance, Lisa T., Kaufmann, Ronald S., Popp, Brian N.

“…The effective evaluation of trophic interactions in pelagic food webs is essential for understanding food web ecology, conservation biology, and management. We…”
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Characterizing a Foraging Hotspot for Short-Finned Pilot Whales and Blainville's Beaked Whales Located off the West Side of Hawai'i Island by Using Tagging and Oceanographic Data by Abecassis, Melanie, Polovina, Jeffrey, Baird, Robin W, Copeland, Adrienne, Drazen, Jeffrey C, Domokos, Reka, Oleson, Erin, Jia, Yanli, Schorr, Gregory S, Webster, Daniel L, Andrews, Russel D

“…Satellite tagging data for short-finned pilot whales (Globicephala macrorhynchus) and Blainville's beaked whales (Mesoplodon densirostris) were used to…”
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Global trophic position comparison of two dominant mesopelagic fish families (Myctophidae, Stomiidae) using amino acid nitrogen isotopic analyses by Choy, C Anela, Davison, Peter C, Drazen, Jeffrey C, Flynn, Adrian, Gier, Elizabeth J, Hoffman, Joel C, McClain-Counts, Jennifer P, Miller, Todd W, Popp, Brian N, Ross, Steve W, Sutton, Tracey T

“…The δ(15)N values of organisms are commonly used across diverse ecosystems to estimate trophic position and infer trophic connectivity. We undertook a novel…”
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Mercury Sources and Trophic Ecology for Hawaiian Bottomfish by Sackett, Dana K., Drazen, Jeffrey C., Choy, C. Anela, Popp, Brian, Pitz, Gerald L.

“…In Hawaii, some of the most important commercial and recreational fishes comprise an assemblage of lutjanids and carangids called bottomfish. Despite their…”
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