Search Results - "Young, Jock W."

Trends in tuna carbon isotopes suggest global changes in pelagic phytoplankton communities by Lorrain, Anne, Pethybridge, Heidi, Cassar, Nicolas, Receveur, Aurore, Allain, Valérie, Bodin, Nathalie, Bopp, Laurent, Choy, C. Anela, Duffy, Leanne, Fry, Brian, Goñi, Nicolas, Graham, Brittany S., Hobday, Alistair J., Logan, John M., Ménard, Frederic, Menkes, Christophe E., Olson, Robert J., Pagendam, Dan E., Point, David, Revill, Andrew T., Somes, Christopher J., Young, Jock W.

“…Considerable uncertainty remains over how increasing atmospheric CO2 and anthropogenic climate changes are affecting open‐ocean marine ecosystems from…”
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The trophodynamics of marine top predators: Current knowledge, recent advances and challenges by Young, Jock W., Hunt, Brian P.V., Cook, Timothée R., Llopiz, Joel K., Hazen, Elliott L., Pethybridge, Heidi R., Ceccarelli, Daniela, Lorrain, Anne, Olson, Robert J., Allain, Valerie, Menkes, Christophe, Patterson, Toby, Nicol, Simon, Lehodey, Patrick, Kloser, Rudy J., Arrizabalaga, Haritz, Anela Choy, C.

“…We review present understanding of the spatial and temporal diet variability (trophodynamics) of a range of pelagic marine top predators, at both early and…”
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Lipid, fatty acid and energy density profiles of white sharks: insights into the feeding ecology and ecophysiology of a complex top predator by Pethybridge, Heidi R, Parrish, Christopher C, Bruce, Barry D, Young, Jock W, Nichols, Peter D

“…Lipids are major sources of metabolic energy in sharks and are closely linked to environmental conditions and biological cycles, such as those related to diet,…”
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Spatial Patterns and Temperature Predictions of Tuna Fatty Acids: Tracing Essential Nutrients and Changes in Primary Producers by Pethybridge, Heidi R, Parrish, Christopher C, Morrongiello, John, Young, Jock W, Farley, Jessica H, Gunasekera, Rasanthi M, Nichols, Peter D

“…Fatty acids are among the least understood nutrients in marine environments, despite their profile as key energy components of food webs and that they are…”
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Feeding ecology and niche segregation in oceanic top predators off eastern Australia by Young, Jock W, Lansdell, Matt J, Campbell, Robert A, Cooper, Scott P, Juanes, Francis, Guest, Michaela A

“…We examined the feeding ecology and niche segregation of the ten most abundant fish species caught by longline operations off eastern Australia between 1992…”
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Ecological effects of longline fishing and climate change on the pelagic ecosystem off eastern Australia by Griffiths, Shane P, Young, Jock W, Lansdell, Matt J, Campbell, Robert A, Hampton, John, Hoyle, Simon D, Langley, Adam, Bromhead, Donald, Hinton, Michael G

“…Pelagic longline fisheries target (or catch incidently) large apex predators in the open ocean (e.g. tunas, billfish and sharks) and have the potential to…”
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Direct determination of fatty acids in fish tissues: quantifying top predator trophic connections by Parrish, Christopher C, Nichols, Peter D, Pethybridge, Heidi, Young, Jock W

“…Fatty acids are a valuable tool in ecological studies because of the large number of unique structures synthesized. They provide versatile signatures that are…”
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Workshop on the ecosystem and fisheries of the Coral Sea: an Australian perspective on research and management by Young, Jock W., David McKinnon, A., Ceccarelli, Daniela, Brinkman, Richard, Bustamante, Rodrigo H., Cappo, Mike, Dichmont, Cathy, Doherty, Peter, Furnas, Miles, Gledhill, Daniel, Griffiths, Shane, Hutton, Trevor, Ridgway, Ken, Smith, David, Skewes, Tim, Williams, Alan, Richardson, Anthony J.

“…This report summarizes a workshop on the Coral Sea to determine key research findings and identify the research gaps needed to support sustainable management…”
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Spatial variation in fatty acid trophic markers in albacore tuna from the southwestern Pacific Ocean—A potential ‘tropicalization’ signal by Parrish, Christopher C., Pethybridge, Heidi, Young, Jock W., Nichols, Peter D.

“…Signature fatty acids were used to explore trophic variations in albacore and skipjack tuna sampled from the southwestern Pacific Ocean. There were clear…”
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Understanding diel-vertical feeding migrations in zooplankton using bulk carbon and nitrogen stable isotopes by HARRIS, Benjamin P, YOUNG, Jock W, REVILL, Andrew T, TAYLOR, Matthew D

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Stable isotopic evidence for trophic groupings and bio-regionalization of predators and their prey in oceanic waters off eastern Australia by Revill, Andrew T., Young, Jock W., Lansdell, Matt

“…Muscle tissue was collected for stable isotope analysis (SIA) from the main fish predators and their fish and cephalopod prey from oceanic waters off eastern…”
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The strengthening East Australian Current, its eddies and biological effects — an introduction and overview by Suthers, Iain M., Young, Jock W., Baird, Mark E., Roughan, Moninya, Everett, Jason D., Brassington, Gary B., Byrne, Maria, Condie, Scott A., Hartog, Jason R., Hassler, Christel S., Hobday, Alistair J., Holbrook, Neil J., Malcolm, Hamish A., Oke, Peter R., Thompson, Peter A., Ridgway, Ken

“…The poleward flowing East Australian Current (EAC) is characterised by its separation from the coast, 100–200 nautical miles north of Sydney, to form the…”
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Global data set for nitrogen and carbon stable isotopes of tunas by Bodin, Nathalie, Pethybridge, Heidi, Duffy, Leanne M., Lorrain, Anne, Allain, Valérie, Logan, John M., Ménard, Frédéric, Graham, Brittany, Choy, C. Anela, Somes, Christopher J., Olson, Robert J., Young, Jock W.

“…Nitrogen and carbon stable isotope data sets are commonly used to assess complex population to ecosystem responses to natural or anthropogenic changes at…”
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Acoustic observations of micronekton fish on the scale of an ocean basin: potential and challenges by Kloser, Rudy J., Ryan, Tim E., Young, Jock W., Lewis, Mark E.

“…Kloser, R. J., Ryan, T. E., Young, J. W., and Lewis, M. E. 2009. Acoustic observations of micronekton fish on the scale of an ocean basin: potential and…”
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Impacts of climate change on marine top predators: Advances and future challenges by Hobday, Alistair J., Arrizabalaga, Haritz, Evans, Karen, Nicol, Simon, Young, Jock W., Weng, Kevin C.

“…Oceanic top predators are the subject of studies by researchers under the international Climate Impacts on Oceanic Top Predators (CLIOTOP) program. A wide…”
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Fatty acid profiles of more than 470 marine species from the Southern Hemisphere by Nichols, Peter D., Pethybridge, Heidi R., Zhang, Bowen, Virtue, Patti, Meyer, Lauren, Dhurmeea, Zahirah, Marcus, Lara, Ericson, Jessica A., Hellessey, Nicole, Every, Sharon, Wheatley, Kathryn, Parrish, Christopher C., Eisenmann, Pascale, Baylis, Alastair M. M., Bradshaw, Corey J. A., Bierwagen, Stacy L., Young, Jock W., Couturier, Lydie I. E., Rohner, Christoph A., Groß, Jasmin, Waugh, Courtney, Phleger, Charles F., Jackson, Christine, Jackson, George, Huveneers, Charlie, Bengtson Nash, Susan, Brock, Mina, Mansour, Peter

“…Lipid and fatty acid datasets are commonly used to assess the nutritional composition of organisms, trophic ecology, and ecosystem dynamics. Lipids and their…”
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Using stable isotopes of albacore tuna and predictive models to characterize bioregions and examine ecological change in the SW Pacific Ocean by Pethybridge, Heidi R., Young, Jock W., Kuhnert, Petra M., Farley, Jessica H.

“…•Isotopic carbon and nitrogen measurements reported in a data-poor ocean basin.•Predictive models developed to detect landscape-scale functional…”
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Predicting fish diet composition using a bagged classification tree approach: a case study using yellowfin tuna (Thunnus albacares) by Kuhnert, Petra M., Duffy, Leanne M., Young, Jock W., Olson, Robert J.

“…We provided a classification tree modeling framework for investigating complex feeding relationships and illustrated the method using stomach contents data for…”
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Climate impacts and oceanic top predators: moving from impacts to adaptation in oceanic systems by Hobday, Alistair J, Young, Jock W, Abe, Osamu, Costa, Daniel P, Cowen, Robert K, Evans, Karen, Gasalla, Maria A, Kloser, Rudy, Maury, Olivier, Weng, Kevin C

“…Climate impacts are now widely reported from coastal marine systems, but less is known for the open ocean. Here we review progress in understanding impacts on…”
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Analyzing pelagic food webs leading to top predators in the Pacific Ocean: A graph-theoretic approach by Dambacher, Jeffrey M., Young, Jock W., Olson, Robert J., Allain, Valérie, Galván-Magaña, Felipe, Lansdell, Matthew J., Bocanegra-Castillo, Noemí, Alatorre-Ramírez, Vanessa, Cooper, Scott P., Duffy, Leanne M.

“…This work examined diet data from studies of top pelagic predators from three large regions of the equatorial and South Pacific Ocean. Food webs of each of…”
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