Search Results - "Graham, Jeffrey B."

Spiracular air breathing in polypterid fishes and its implications for aerial respiration in stem tetrapods by Graham, Jeffrey B., Wegner, Nicholas C., Miller, Lauren A., Jew, Corey J., Lai, N Chin, Berquist, Rachel M., Frank, Lawrence R., Long, John A.

“…The polypterids (bichirs and ropefish) are extant basal actinopterygian (ray-finned) fishes that breathe air and share similarities with extant lobe-finned…”
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The artisanal elasmobranch fishery of the Pacific coast of Baja California Sur, Mexico, management implications by Ramirez-Amaro, Sergio R., Cartamil, Daniel, Galvan-Magaña, Felipe, Gonzalez-Barba, Gerardo, Graham, Jeffrey B., Carrera-Fernandez, Maribel, Escobar-Sanchez, Ofelia, Sosa-Nishizaki, Oscar, Rochin-Alamillo, Anet

“…Artisanal fisheries in Mexico account for approximately 40% of the total national catch. In 2009, Baja California Sur (BCS) had the second largest catch of…”
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Evolution and Consequences of Endothermy in Fishes by Dickson, Kathryn A., Graham, Jeffrey B.

“…Regional endothermy, the conservation of metabolic heat by vascular countercurrent heat exchangers to elevate the temperature of the slow‐twitch locomotor…”
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Tuna comparative physiology by Graham, Jeffrey B, Dickson, Kathryn A

“…Thunniform swimming, the capacity to conserve metabolic heat in red muscle and other body regions (regional endothermy), an elevated metabolic rate and other…”
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Gill morphometrics in relation to gas transfer and ram ventilation in high-energy demand teleosts: Scombrids and billfishes by Wegner, Nicholas C., Sepulveda, Chugey A., Bull, Kristina B., Graham, Jeffrey B.

“…This comparative study of the gill morphometrics in scombrids (tunas, bonitos, and mackerels) and billfishes (marlins, swordfish) examines features of gill…”
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George Hughes and the history of fish ventilation: From Du Verney to the present by Wegner, Nicholas C., Graham, Jeffrey B.

“…This paper traces the research history of fish ventilation from its origins in the early 1700s to the present with emphasis on the work of George M. Hughes,…”
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Breathing Air in Air: In What Ways Might Extant Amphibious Fish Biology Relate to Prevailing Concepts about Early Tetrapods, the Evolution of Vertebrate Air Breathing, and the Vertebrate Land Transition? by Graham, Jeffrey B., Lee, Heather J.

“…The air‐breathing fishes have heuristic importance as possible models for the Paleozoic evolution of vertebrate air breathing and the transition to land. A…”
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Functional morphology of the gills of the shortfin mako, Isurus oxyrinchus, a lamnid shark by Wegner, Nicholas C., Sepulveda, Chugey A., Olson, Kenneth R., Hyndman, Kelly A., Graham, Jeffrey B.

“…This study examines the functional gill morphology of the shortfin mako, Isurus oxyrinchus, to determine the extent to which its gill structure is convergent…”
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Implications of the late Palaeozoic oxygen pulse for physiology and evolution by Graham, Jeffrey B, Aguilar, Nancy M, Dudley, Robert, Gans, Carl

“…The late Palaeozoic was marked by significant changes in atmospheric chemistry and biotic composition; geochemical models suggest a marked increase and then…”
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Water-tunnel studies of heat balance in swimming mako sharks by Bernal, D, Sepulveda, C, Graham, J B

“…The mako shark (Isurus oxyrinchus) has specialized vascular networks (retia mirabilia) forming counter-current heat exchangers that allow metabolic heat…”
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Roles of Environmental Cues for Embryonic Incubation and Hatching in Mudskippers by Ishimatsu, Atsushi, Graham, Jeffrey B.

“…Synopsis Reproduction on mudflats requires that eggs are protected from different environmental challenges during development and hatch when environmental…”
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Temperature effects on the blood oxygen affinity in sharks by Bernal, Diego, Reid, Joseph P., Roessig, Julie M., Matsumoto, Shinsyu, Sepulveda, Chugey A., Cech, Joseph J., Graham, Jeffrey B.

“…In fish, regional endothermy (i.e., the capacity to significantly elevate tissue temperatures above ambient via vascular heat exchangers) in the red swimming…”
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The artisanal elasmobranch fishery of the Pacific coast of Baja California, Mexico by Cartamil, Daniel, Santana-Morales, Omar, Escobedo-Olvera, Miguel, Kacev, Dovi, Castillo-Geniz, Leonardo, Graham, Jeffrey B., Rubin, Robert D., Sosa-Nishizaki, Oscar

“…► We describe the artisanal elasmobranch fisheries of western Baja California, Mexico. ► 44 Camps exist in the region and 66% target elasmobranchs at least…”
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Mudskippers brood their eggs in air but submerge them for hatching by Ishimatsu, Atsushi, Yoshida, Yu, Itoki, Naoko, Takeda, Tatsusuke, Lee, Heather J, Graham, Jeffrey B

“…Intertidal mudflats are highly productive ecosystems that impose severe environmental challenges on their occupants due to tidal oscillations and extreme…”
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Modeling Variable Phanerozoic Oxygen Effects on Physiology and Evolution by Graham, Jeffrey B, Jew, Corey J, Wegner, Nicholas C

“…Geochemical approximation of Earth's atmospheric O2 level over geologic time prompts hypotheses linking hyper- and hypoxic atmospheres to transformative events…”
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Oxygen utilization and the branchial pressure gradient during ram ventilation of the shortfin mako, Isurus oxyrinchus: is lamnid shark-tuna convergence constrained by elasmobranch gill morphology? by Wegner, Nicholas C, Lai, N Chin, Bull, Kristina B, Graham, Jeffrey B

“…Ram ventilation and gill function in a lamnid shark, the shortfin mako, Isurus oxyrinchus, were studied to assess how gill structure may affect the lamnid-tuna…”
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Atmospheric Oxygen Levels Affect Mudskipper Terrestrial Performance: Implications for Early Tetrapods by Jew, Corey J, Wegner, Nicholas C, Yanagitsuru, Yuzo, Tresguerres, Martin, Graham, Jeffrey B

“…The Japanese mudskipper (Periophthalmus modestus), an amphibious fish that possesses many respiratory and locomotive specializations for sojourns onto land,…”
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Archival tagging of subadult and adult common thresher sharks (Alopias vulpinus) off the coast of southern California by Cartamil, Daniel P., Sepulveda, Chugey A., Wegner, Nicholas C., Aalbers, Scott A., Baquero, Andres, Graham, Jeffrey B.

“…The common thresher shark ( Alopias vulpinus ) is a secondary target species of the California drift gillnet fishery (CA-DGN) and supports a growing…”
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Structural adaptations for ram ventilation: Gill fusions in scombrids and billfishes by Wegner, Nicholas C., Sepulveda, Chugey A., Aalbers, Scott A., Graham, Jeffrey B.

“…For ram‐gill ventilators such as tunas and mackerels (family Scombridae) and billfishes (families Istiophoridae, Xiphiidae), fusions binding the gill lamellae…”
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Review: Analysis of the evolutionary convergence for high performance swimming in lamnid sharks and tunas by Bernal, Diego, Dickson, Kathryn A., Shadwick, Robert E., Graham, Jeffrey B.

“…Elasmobranchs and bony fishes have evolved independently for more than 400 million years. However, two Recent groups, the lamnid sharks (Family Lamnidae) and…”
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