World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
32
Citations
3013
World Ranking
8156
National Ranking
2698

Graham A. J. Worthy publication distribution in Ecology and Evolution in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Ecology and Evolution in 2026. The highlighted bar marks where Graham A. J. Worthy sits on this spectrum.

37–41 publications: 2 scientists 42–46 publications: 9 scientists 47–51 publications: 10 scientists 52–56 publications: 31 scientists 57–61 publications: 56 scientists 62–66 publications: 91 scientists 67–71 publications: 92 scientists 72–76 publications: 127 scientists 77–81 publications: 173 scientists 82–86 publications: 236 scientists 87–91 publications: 227 scientists 92–96 publications: 240 scientists 97–101 publications: 333 scientists 102–106 publications: 280 scientists 107–111 publications: 300 scientists 112–116 publications: 285 scientists 117–121 publications: 305 scientists 122–126 publications: 287 scientists 127–131 publications: 278 scientists 132–136 publications: 289 scientists 137–141 publications: 273 scientists 142–146 publications: 262 scientists 147–151 publications: 246 scientists 152–156 publications: 235 scientists 157–161 publications: 205 scientists 162–166 publications: 199 scientists 167–171 publications: 174 scientists 172–176 publications: 164 scientists 177–181 publications: 173 scientists 182–186 publications: 189 scientists 187–191 publications: 170 scientists 192–196 publications: 139 scientists 197–201 publications: 128 scientists 202–206 publications: 117 scientists 207–211 publications: 115 scientists 212–216 publications: 107 scientists 217–221 publications: 124 scientists 222–226 publications: 81 scientists 227–231 publications: 82 scientists 232–236 publications: 85 scientists 237–241 publications: 75 scientists 242–246 publications: 66 scientists 247–251 publications: 81 scientists 252–256 publications: 69 scientists 257–261 publications: 70 scientists 262–266 publications: 55 scientists 267–271 publications: 64 scientists 272–276 publications: 49 scientists 277–281 publications: 48 scientists 282–286 publications: 44 scientists 287–291 publications: 45 scientists 292–296 publications: 36 scientists 297–301 publications: 39 scientists 302–306 publications: 38 scientists 307–311 publications: 30 scientists 312–316 publications: 34 scientists 317–321 publications: 25 scientists 322–326 publications: 22 scientists 327–331 publications: 28 scientists 332–336 publications: 30 scientists 337–341 publications: 22 scientists 342–346 publications: 30 scientists 347–351 publications: 26 scientists 352–356 publications: 22 scientists 357–361 publications: 29 scientists 362–366 publications: 21 scientists 367–371 publications: 12 scientists 372–376 publications: 18 scientists 377–381 publications: 17 scientists 382–386 publications: 13 scientists 387–391 publications: 21 scientists 392–396 publications: 13 scientists 397–401 publications: 10 scientists 402–406 publications: 15 scientists 407–411 publications: 8 scientists 412–416 publications: 9 scientists 417–421 publications: 8 scientists 422–426 publications: 4 scientists 427–431 publications: 10 scientists 432–436 publications: 10 scientists 437–441 publications: 5 scientists 442–446 publications: 4 scientists 447–451 publications: 10 scientists 452–456 publications: 2 scientists 457–461 publications: 4 scientists 462–466 publications: 7 scientists 467–471 publications: 7 scientists 472–476 publications: 6 scientists 477–481 publications: 6 scientists 482–486 publications: 3 scientists 487–491 publications: 3 scientists 492–496 publications: 4 scientists 497–501 publications: 4 scientists 502–506 publications: 8 scientists 507–511 publications: 5 scientists 512–516 publications: 4 scientists 517–521 publications: 5 scientists 522–526 publications: 4 scientists 527–530 publications: 5 scientists 531+ publications: 100 scientists
37 publications 531+

This scientist: 55 publications — 1st percentile

1% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 531 publications or more.

Graham A. J. Worthy D-index placement in Ecology and Evolution in 2026

The chart shows the D-index (discipline H-index) distribution of Ecology and Evolution scientists ranked by Research.com in 2026. The highlighted bar marks where Graham A. J. Worthy sits on this spectrum.

30 D-Index: 95 scientists 31 D-Index: 123 scientists 32 D-Index: 191 scientists 33 D-Index: 245 scientists 34 D-Index: 252 scientists 35 D-Index: 244 scientists 36 D-Index: 249 scientists 37 D-Index: 244 scientists 38 D-Index: 254 scientists 39 D-Index: 254 scientists 40 D-Index: 280 scientists 41 D-Index: 274 scientists 42 D-Index: 266 scientists 43 D-Index: 233 scientists 44 D-Index: 248 scientists 45 D-Index: 208 scientists 46 D-Index: 201 scientists 47 D-Index: 213 scientists 48 D-Index: 207 scientists 49 D-Index: 172 scientists 50 D-Index: 209 scientists 51 D-Index: 199 scientists 52 D-Index: 153 scientists 53 D-Index: 169 scientists 54 D-Index: 163 scientists 55 D-Index: 148 scientists 56 D-Index: 120 scientists 57 D-Index: 146 scientists 58 D-Index: 137 scientists 59 D-Index: 140 scientists 60 D-Index: 104 scientists 61 D-Index: 119 scientists 62 D-Index: 118 scientists 63 D-Index: 99 scientists 64 D-Index: 77 scientists 65 D-Index: 100 scientists 66 D-Index: 86 scientists 67 D-Index: 83 scientists 68 D-Index: 75 scientists 69 D-Index: 94 scientists 70 D-Index: 57 scientists 71 D-Index: 68 scientists 72 D-Index: 59 scientists 73 D-Index: 63 scientists 74 D-Index: 66 scientists 75 D-Index: 60 scientists 76 D-Index: 42 scientists 77 D-Index: 49 scientists 78 D-Index: 39 scientists 79 D-Index: 37 scientists 80 D-Index: 43 scientists 81 D-Index: 41 scientists 82 D-Index: 45 scientists 83 D-Index: 34 scientists 84 D-Index: 40 scientists 85 D-Index: 35 scientists 86 D-Index: 55 scientists 87 D-Index: 24 scientists 88 D-Index: 24 scientists 89 D-Index: 30 scientists 90 D-Index: 23 scientists 91 D-Index: 25 scientists 92 D-Index: 27 scientists 93 D-Index: 27 scientists 94 D-Index: 13 scientists 95 D-Index: 23 scientists 96 D-Index: 12 scientists 97 D-Index: 14 scientists 98 D-Index: 19 scientists 99 D-Index: 16 scientists 100 D-Index: 14 scientists 101 D-Index: 5 scientists 102 D-Index: 21 scientists 103 D-Index: 16 scientists 104 D-Index: 10 scientists 105 D-Index: 7 scientists 106 D-Index: 7 scientists 107 D-Index: 7 scientists 108 D-Index: 6 scientists 109 D-Index: 9 scientists 110 D-Index: 11 scientists 111 D-Index: 12 scientists 112 D-Index: 9 scientists 113 D-Index: 7 scientists 114 D-Index: 3 scientists 115 D-Index: 8 scientists 116 D-Index: 5 scientists 117 D-Index: 11 scientists 118 D-Index: 4 scientists 119 D-Index: 2 scientists 120 D-Index: 5 scientists 121+ D-Index: 100 scientists
30 D-Index 121+

This scientist: 32 D-Index — 5th percentile

5% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 121 D-Index or more.

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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