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Ecology and Evolution

D-Index
32
Citations
3013
World Ranking
8160
National Ranking
2697

Overview

Graham A. J. Worthy is a researcher affiliated with the University of Central Florida in the United States. Their academic work primarily focuses on environmental science, with a specialization in ecology, global and planetary change, and aquatic science.

The scientist's research interests are concentrated on marine animal studies, marine and fisheries research, isotope analysis in ecology, and aquaculture nutrition and growth. These topics frame the scope of their contributions to understanding marine ecosystems and the factors affecting marine species.

Worthy has authored several recent papers, including:

  • An unusual mortality event for bottlenose dolphins links to altered diets resulting from ecological changes, 2025, Frontiers in Marine Science
  • How much seagrass does a dugong need? Metabolic rate of live wild dugongs, Dugong dugon, determined through indirect calorimetry (oxygen consumption), 2024, Marine Mammal Science

The scientist frequently collaborates with other researchers in their field. Notable co-authors include Megan Stolen, Wendy Noke Durden, Teresa Jablonski, Richard Paperno, and Charles A. Jacoby. These collaborations span a range of topics within marine science and ecology.

Worthy has published in reputable journals such as Frontiers in Marine Science and Marine Mammal Science, reflecting their engagement with specialized scientific communities. Their contributions include studies that address ecological changes, metabolic rates in marine mammals, and related environmental impacts.

Best Publications

  • Metabolic rates of seals and whales

    D. M. Lavigne;S. Innes;G. A. J. Worthy;K. M. Kovacs

  • Stable nitrogen and carbon isotope ratios in multiple tissues of the northern fur seal Callorhinus ursinus: implications for dietary and migratory reconstructions

    Carolyn M. Kurle;Graham A. J. Worthy

  • Stable isotope assessment of temporal and geographic differences in feeding ecology of northern fur seals (Callorhinus ursinus) and their prey.

    Carolyn M. Kurle;Graham A.J. Worthy

  • Morphometric and Biochemical Factors Affecting Heat Loss in a Small Temperate Cetacean (Phocoena phocoena) and a Small Tropical Cetacean (Stenella attenuata)

    Graham A. J. Worthy;Elizabeth F. Edwards

  • Moult energetics of the northern elephant seal (Mirounga angustirostris)

    G. A. J. Worthy;P. A. Morris;D. P. Costa;B. J. Le Boeuf

  • Mass Loss, Metabolic Rate, and Energy Utilization by Harp and Gray Seal Pups during the Postweaning Fast

    Graham A. J. Worthy;D. M. Lavigne

  • Effects of capture on adrenal steroid and vasopressin concentrations in free-ranging bottlenose dolphins (Tursiops truncatus).

    Rudy M Ortiz;Graham A.J Worthy

  • Variability in fatty acid composition of bottlenose dolphin (Tursiops truncatus) blubber as a function of body site, season, and reproductive state

    Asha M Samuel;Graham A.J Worthy

  • Comparison of elements in bottlenose dolphins stranded on the beaches of Texas and Florida in the Gulf of Mexico over a one-year period.

    J. P. Meador;D. Ernest;A. A. Hohn;K. Tilbury

  • Isotope turnover rates and diet-tissue discrimination in skin of ex situ bottlenose dolphins (Tursiops truncatus).

    Nicole E. Browning;Christopher Dold;Jack I-Fan;Graham A.J. Worthy

  • Were multiple stressors a 'perfect storm' for northern Gulf of Mexico bottlenose dolphins (Tursiops truncatus) in 2011?

    Ruth H. Carmichael;William M. Graham;Allen Aven;Graham Worthy

  • Osmoregulation in wild and captive West Indian manatees (Trichechus manatus).

    Rudy M. Ortiz;Graham A. J. Worthy;Duncan S. MacKenzie

  • RELATIVE BRAIN SIZE IN MARINE MAMMALS

    Graham A. J. Worthy;John P. Hickie

  • DIVING BEHAVIOR AND AT‐SEA MOVEMENTS OF AN ATLANTIC SPOTTED DOLPHIN IN THE GULF OF MEXICO

    Randall W. Davis;Graham A. J. Worthy;Bernd Würsig;Spencer K. Lynn

  • SEALPOX IN CAPTIVE GREY SEALS (HALICHOERUS GRYPUS) AND THEIR HANDLERS

    Brad D. Hicks;Graham A. J. Worthy

  • Energetics of fasting and subsequent growth in weaned harp seal pups, Phoca groenlandica

    Graham A. J. Worthy;D. M. Lavigne

  • Review of historical unusual mortality events (UMEs) in the Gulf of Mexico (1990-2009): providing context for the multi-year northern Gulf of Mexico cetacean UME declared in 2010.

    Jenny A. Litz;Melody A. Baran;Sabrina R. Bowen-Stevens;Ruth H. Carmichael

  • Behavior and Ecology of the Northern Fur Seal

    Unknown

  • Changes in Energy Stores during Postnatal Development of the Harp Seal, Phoca groenlandica

    Graham A. J. Worthy;D. M. Lavigne

  • Metabolism and growth of young harp and grey seals

    Graham A. J. Worthy

  • An isotopic assessment of the feeding habits of free-ranging manatees

    Kimberly J. Reich;Graham A. J. Worthy

  • Estimation of water turnover rates of captive West Indian manatees (Trichechus manatus) held in fresh and salt water

    Rudy M. Ortiz;Graham A. J. Worthy;Floyd M. Byers

  • Surface areas of phocid seals

    S. Innes;G. A. J. Worthy;D. M. Lavigne;K. Ronald

  • Manatee Occurrence in the Northern Gulf of Mexico, West of Florida

    D. Fertl;A. J. Schiro;G. T. Regan;Cathy A. Beck

Frequent Co-Authors

Ruth H. Carmichael
Ruth H. Carmichael University of South Alabama
Daniel P. Costa
Daniel P. Costa University of California, Santa Cruz
James D. Roth
James D. Roth University of Manitoba
Kit M. Kovacs
Kit M. Kovacs Norwegian Polar Institute
John E. Stein
John E. Stein National Oceanic and Atmospheric Administration
Randall W. Davis
Randall W. Davis Texas A&M University
David A. S. Rosen
David A. S. Rosen University of British Columbia
Bernd Würsig
Bernd Würsig Texas A&M University at Galveston
James P. Meador
James P. Meador National Oceanic and Atmospheric Administration
Jeffery K. Taubenberger
Jeffery K. Taubenberger National Institutes of Health

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