World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
46
Citations
9810
World Ranking
4597
National Ranking
1596

Val Nolan 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 Val Nolan 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: 87 publications — 10th percentile

10% of scientists in this discipline score the same or lower.

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

Val Nolan 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 Val Nolan 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: 46 D-Index — 46th percentile

46% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 1981 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Val Nolan is affiliated with Indiana University in the United States. Their primary field of study is Medicine, with a significant focus on several specialized subfields including Infectious Diseases, Pediatrics, Perinatology and Child Health, Genetics, Epidemiology, and Pulmonary and Respiratory Medicine.

Their research topics cover a range of health-related issues, particularly concentrating on Childhood Cancer Survivors' Quality of Life, Hemoglobinopathies and Related Disorders, Viral Gastroenteritis Research and Epidemiology, Iron Metabolism and Disorders, Adolescent and Pediatric Healthcare, SARS-CoV-2 and COVID-19 Research, and Emergency and Acute Care Studies.

Val Nolan has contributed to various publication venues, with frequent appearances in the following journals:

  • Journal of Pediatric Orthopaedics
  • Pediatric Blood & Cancer
  • AJPM Focus
  • Journal of Clinical Oncology
  • Medicine & Science in Sports & Exercise

Some notable recent papers authored or co-authored by Val Nolan include:

  • Dark-eyed Junco (Junco hyemalis), 2020, Birds of the World
  • Hydroxyurea Use After Transitions of Care Among Young Adults With Sickle Cell Disease and Tennessee Medicaid Insurance, 2021, JAMA Network Open (co-author)
  • Association of Radiology Findings with Etiology of Community Acquired Pneumonia among Children, 2023, The Journal of Pediatrics (co-author)
  • Association of masking policies with mask adherence and distancing during the SARS-COV-2 pandemic, 2022, American Journal of Infection Control (co-author)
  • Exposures Associated with Non-Typhoidal Salmonella Infections Caused by Newport, Javiana, and Mississippi Serotypes in Tennessee, 2013-2015: A Case-Case Analysis, 2020, Pathogens (co-author)

The scientist has collaborated frequently with a number of co-authors, including:

  • Jane S. Hankins
  • Matthew Smeltzer
  • Gregory T. Armstrong
  • Joacy G. Mathias

Val Nolan was recognized as a Fellow of the American Association for the Advancement of Science (AAAS) in 1981.

Best Publications

  • Adaptation, Exaptation, and Constraint: A Hormonal Perspective.

    Ellen D. Ketterson;Val Nolan

  • Hormones and life histories: an integrative approach.

    Ellen D. Ketterson;Val Nolan

  • The ecology and behavior of the Prairie warbler, Dendroica discolor

    Unknown

  • Geographic Variation and Its Climatic Correlates in the Sex Ratio of Eastern-Wintering Dark-Eyed Juncos (Junco Hyemalis Hyemalis)

    Ellen D. Ketterson;Val Nolan

  • TESTOSTERONE AND AVIAN LIFE HISTORIES: EFFECTS OF EXPERIMENTALLY ELEVATED TESTOSTERONE ON BEHAVIOR AND CORRELATES OF FITNESS IN THE DARK-EYED JUNCO (JUNCO HYEMALIS)

    Ellen D. Ketterson;Val Nolan;Licia Wolf;Charles Ziegenfus

  • The evolution of differential bird migration

    Ellen D. Ketterson;Val Nolan

  • Testosterone in Females: Mediator of Adaptive Traits, Constraint on Sexual Dimorphism, or Both?

    E D Ketterson;V Nolan;Maria Sandell

  • Steroid hormones and immune function: experimental studies in wild and captive dark-eyed juncos (Junco hyemalis).

    Joseph M. Casto;Val Nolan;Ellen D. Ketterson

  • Phenotypic engineering: using hormones to explore the mechanistic and functional bases of phenotypic variation in nature

    Ellen D. Ketterson;Val Nolan;Michelle J. Cawthorn;Patricia G. Parker

  • Male Parental Behavior in Birds

    Ellen D. Ketterson;Val Nolan

  • Testosterone and avian life histories: The effect of experimentally elevated testosterone on corticosterone and body mass in dark-eyed juncos

    Ellen D Ketterson;Val Nolan;Licia Wolf;Charles Ziegenfus;Charles Ziegenfus;Charles Ziegenfus

  • Physiological effects on demography: a long-term experimental study of testosterone's effects on fitness.

    W. L. Reed;M. E. Clark;P. G. Parker;S. A. Raouf

  • TESTOSTERONE AFFECTS REPRODUCTIVE SUCCESS BY INFLUENCING EXTRA-PAIR FERTILIZATIONS IN MALE DARK-EYED JUNCOS (AVES : JUNCO HYEMALIS)

    Samrrah A. Raouf;Patricia G. Parker;Ellen D. Ketterson;Val Nolan

  • Acorn mast drives long-term dynamics of rodent and songbird populations

    Ethan D. Clotfelter;Amy B. Pedersen;Jack A. Cranford;Nilam Ram

  • Testosterone and mate choice in the dark-eyed junco ☆

    David A Enstrom;Ellen D Ketterson;Val Nolan

  • Mate choice based on static versus dynamic secondary sexual traits in the dark-eyed junco

    Jennifer A. Hill;David A. Enstrom;Ellen D. Ketterson;Val Nolan

  • Paternal influence on growth and survival of dark-eyed junco young: do parental males benefit?

    Licia Wolf;Ellen D. Ketterson;Val Nolan

  • Effects of testosterone on spatial activity in free-ranging male dark-eyed juncos, Junco hyemalis

    C.Ray Chandler;Ellen D. Ketterson;Val Nolan;Charles Ziegenfus

  • Consequences of elevating plasma testosterone in females of a socially monogamous songbird: evidence of constraints on male evolution?

    Ethan D Clotfelter;Dawn M O'Neal;Jacqueline M Gaudioso;Joseph M Casto

  • CORRELATIONAL SELECTION LEADS TO GENETIC INTEGRATION OF BODY SIZE AND AN ATTRACTIVE PLUMAGE TRAIT IN DARK-EYED JUNCOS

    Joel W. McGlothlin;Patricia G. Parker;Val Nolan;Ellen D. Ketterson

  • The Role of Migration and Winter Mortality in the Life History of a Temperate-Zone Migrant, the Dark-Eyed Junco, as Determined from Demographic Analyses of Winter Populations

    Ellen D. Ketterson;Val Nolan

  • Testosterone and avian life histories: effects of experimentally elevated testosterone on prebasic molt and survival in male dark-eyed juncos

    Val Nolan;Ellen D. Ketterson;Charles Ziegenfus;Daniel P. Cullen

Frequent Co-Authors

Ellen D. Ketterson
Ellen D. Ketterson Indiana University
Ethan D. Clotfelter
Ethan D. Clotfelter Amherst College
Patricia G. Parker
Patricia G. Parker University of Missouri–St. Louis
Gregory F. Ball
Gregory F. Ball University of Maryland, College Park
Charles F. Thompson
Charles F. Thompson Illinois State University
Daniel A. Cristol
Daniel A. Cristol William & Mary
Fernando Nottebohm
Fernando Nottebohm Rockefeller University
Michael Carey
Michael Carey University of California, Los Angeles
Ken Yasukawa
Ken Yasukawa Beloit College
Nilam Ram
Nilam Ram Stanford University

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