Search Results - "Stevens, John D."

A comparison of the seasonal movements of tiger sharks and green turtles provides insight into their predator-prey relationship by Fitzpatrick, Richard, Thums, Michele, Bell, Ian, Meekan, Mark G, Stevens, John D, Barnett, Adam

“…During the reproductive season, sea turtles use a restricted area in the vicinity of their nesting beaches, making them vulnerable to predation. At Raine…”
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You can swim but you can't hide: the global status and conservation of oceanic pelagic sharks and rays by Dulvy, Nicholas K, Baum, Julia K, Clarke, Shelley, Compagno, Leonard J.V, Cortés, Enric, Domingo, Andrés, Fordham, Sonja, Fowler, Sarah, Francis, Malcolm P, Gibson, Claudine, Martínez, Jimmy, Musick, John A, Soldo, Alen, Stevens, John D, Valenti, Sarah

“…1.Fishing spans all oceans and the impact on ocean predators such as sharks and rays is largely unknown. A lack of data and complicated jurisdictional issues…”
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Fine-scale movements of the Broadnose Sevengill shark and its main prey, the Gummy shark by Barnett, Adam, Abrantes, Kátya G, Stevens, John D, Bruce, Barry D, Semmens, Jayson M

“…Information on the fine-scale movement of predators and their prey is important to interpret foraging behaviours and activity patterns. An understanding of…”
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Upper Bound Performance of Shipboard Power and Energy Systems for Early-Stage Design by Sinsley, Gregory L., Opila, Daniel F., Oh, Eun S., Stevens, John D.

“…Shipboard power systems that service large-scale dynamic loads and electric propulsion can significantly improve their performance by adding controllable…”
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Mitochondrial cytochrome b variation in sleeper sharks (Squaliformes: Somniosidae) by Murray, Brent William, Wang, John Y., Yang, Shih-Chu, Stevens, John D., Fisk, Aaron, Svavarsson, Jörundur

“…Sleeper sharks are a poorly studied group of deep-sea sharks. The subgenus, Somniosus , contains three morphologically similar species: S. microcephalus found…”
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Extinction risk and conservation of the world's sharks and rays by Dulvy, Nicholas K, Fowler, Sarah L, Musick, John A, Cavanagh, Rachel D, Kyne, Peter M, Harrison, Lucy R, Carlson, John K, Davidson, Lindsay Nk, Fordham, Sonja V, Francis, Malcolm P, Pollock, Caroline M, Simpfendorfer, Colin A, Burgess, George H, Carpenter, Kent E, Compagno, Leonard Jv, Ebert, David A, Gibson, Claudine, Heupel, Michelle R, Livingstone, Suzanne R, Sanciangco, Jonnell C, Stevens, John D, Valenti, Sarah, White, William T

“…The rapid expansion of human activities threatens ocean-wide biodiversity. Numerous marine animal populations have declined, yet it remains unclear whether…”
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Dietary comparisons of six skate species (Rajidae) in south-eastern Australian waters by TRELOAR, Michelle A, LAURENSON, Laurie J. B, STEVENS, John D

“…Issue Title: Special Issue: Biology of Skates The diet of six skate species caught as bycatch in south-eastern Australian waters was examined over a 2-year…”
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Satellite tagging of blue sharks (Prionace glauca) and other pelagic sharks off eastern Australia: depth behaviour, temperature experience and movements by Stevens, John D, Bradford, Russell W, West, Grant J

“…Satellite telemetry was used to study the movements and behaviour of ten blue sharks and one individual each of shortfin mako, thresher and bigeye thresher off…”
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Site fidelity and sex-specific migration in a mobile apex predator: implications for conservation and ecosystem dynamics by Barnett, Adam, Abrantes, Kátya G., Stevens, John D., Semmens, Jayson M.

“…Combining movement behaviour with other ecological information of predators and their prey is essential for an adequate understanding of ecosystem dynamics…”
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Behavioral evidence suggests facultative scavenging by a marine apex predator during a food pulse by Hammerschlag, Neil, Bell, Ian, Fitzpatrick, Richard, Gallagher, Austin J., Hawkes, Lucy A., Meekan, Mark G., Stevens, John D., Thums, Michele, Witt, Matthew J., Barnett, Adam

“…The ability of predators to switch between hunting and scavenging (facultative scavenging) carries both short-term survival and long-term fitness advantages…”
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Non-lethal method to obtain stomach samples from a large marine predator and the use of DNA analysis to improve dietary information by Barnett, Adam, Redd, Kevin S., Frusher, Stewart D., Stevens, John D., Semmens, Jayson M.

“…Dietary information of apex predators is crucial to understanding community dynamics and ecosystem processes. However, as dietary studies traditionally involve…”
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Preparation and properties of the aldohexofuranose pentaacetates by Stevens, John D.

“…Sixteen aldohexofuranose pentaacetates have been prepared. 1H and 13C NMR data are given together with equilibrium values for the anomeric pairs. The…”
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Large scale isolation of 1,2:3,4-di- O-isopropylidene-α- d-glucoseptanose and 2,3:4,5-di- O-isopropylidene-β- d-glucoseptanose by Stevens, John D.

“…Isolation of 1,2:3,4-di- O-isopropylidene-α- d-glucoseptanose and 2,3:4,5-di- O-isopropylidene-β- d-glucoseptanose from the mother-liquors from commercial…”
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To go or not to go with the flow: Environmental influences on whale shark movement patterns by Sleeman, Jai C., Meekan, Mark G., Wilson, Steven G., Polovina, Jeffrey J., Stevens, John D., Boggs, Guy S., Bradshaw, Corey J.A.

“…Seven whale sharks were tracked using satellite-linked tags from Ningaloo Reef, off northern Western Australia, following tagging in April and June 2002 and…”
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Size and maturity status of the whale shark ( Rhincodon typus) at Ningaloo Reef in Western Australia by Norman, Bradley M., Stevens, John D.

“…Between 1995 and 1997, 360 observations of whale sharks at Ningaloo Reef revealed that approximately 85% were males (4–12 m TL). Based on the external…”
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Predator–prey relationships and foraging ecology of a marine apex predator with a wide temperate distribution by Barnett, Adam, Abrantes, Kátya, Stevens, John D., Yick, Jonah L., Frusher, Stewart D., Semmens, Jayson M.

“…The diet of the broadnose sevengill sharkNotorynchus cepedianuswas investigated over 3 years from 2 coastal locations in south-east Tasmania: the Derwent…”
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Sex-biased dispersal of great white sharks by Pardini, Amanda T, Jones, Catherine S, Noble, Leslie R, Kreiser, Brian, Malcolm, Hamish, Bruce, Barry D, Stevens, John D, Cliff, Geremy, Scholl, Michael C, Francis, Malcolm, Duffy, Clinton A.J, Martin, Andrew P

“…Uses genetic methods to show that the dispersal of Carcharodon carcharias is sex-biased, with philopatric (non-roving) females and roving males. Presents…”
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Isolation of a sultone as an unusual acetolysis product by Craig, Donald C., Stevens, John D.

“…Acetolysis of methyl 5,6-di-O-acetyl-2,3-O-isopropylidene-β-l-gulofuranoside has yielded a sultone,…”
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Preparation of α- and β-d-glucoseptanose pentaacetates by Bhadbhade, Mohan, Craig, Donald C., Ng, Clarence J., Odier, Leon, Stevens, John D.

“…The α- and β-d-glucoseptanose pentaacetates have been prepared by treatment of ethyl 1-thio-β-d-glucoseptanoside tetraacetate with mercury(II) acetate in…”
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Non-lethal assessment of reproductive characteristics for management and conservation of sharks by Awruch, Cynthia A., Frusher, Stewart D., Pankhurst, Ned W., Stevens, John D.

“…Chondrichthyans are one of the most vulnerable groups of marine species, with increasing numbers being listed as endangered or threatened. Fundamental to the…”
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