World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
40
Citations
7926
World Ranking
7970
National Ranking
2841

Theodore R. Simons publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Theodore R. Simons sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 282 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–689 publications: 4 scientists 690+ publications: 100 scientists
41 publications 690+

This scientist: 95 publications — 11th percentile

11% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

Theodore R. Simons D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Theodore R. Simons sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 198 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 20 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125 D-Index: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 40 D-Index — 19th percentile

19% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 126 D-Index or more.

Overview

Theodore R. Simons is a researcher affiliated with North Carolina State University in the United States. Their work primarily focuses on Environmental Science, with a particular emphasis on Global and Planetary Change as well as Ecology. The body of research covers studies involving avian ecology and behavior, climate variability and models, fire effects on ecosystems, and marine and fisheries research.

Their recent published papers include:

  • Contrasting long-term population trends of beach-nesting shorebirds under shared environmental pressures, 2021, Biological Conservation
  • Hawaiian Petrel (Pterodroma sandwichensis), 2020, Birds of the World
  • Hawaiian Petrel (Pterodroma sandwichensis), 2025, Birds of the World

Theodore R. Simons has collaborated frequently with several researchers, including:

  • Cathleen N. Bailey
  • Eunbi Kwon
  • Samantha G. Robinson
  • Chelsea E. Weithman
  • Daniel H. Catlin

Their publications have appeared predominantly in venues such as:

  • Birds of the World
  • Biological Conservation

Their work on avian species and environmental pressures contributes to the fields of avian ecology and climate science by documenting and analyzing species responses over time. This includes studies on specific bird populations like the Hawaiian Petrel and the impacts of environmental stressors on beach-nesting shorebirds.

Best Publications

  • Spatial autocorrelation and autoregressive models in ecology

    Jeremy W. Lichstein;Theodore R. Simons;Susan A. Shriner;Kathleen E. Franzreb

  • Large scale wildlife monitoring studies: statistical methods for design and analysis

    Kenneth H. Pollock;James D. Nichols;Theodore R. Simons;George L. Farnsworth

  • A REMOVAL MODEL FOR ESTIMATING DETECTION PROBABILITIES FROM POINT-COUNT SURVEYS

    George L. Farnsworth;Kenneth H. Pollock;James D. Nichols;Theodore R. Simons

  • ESTIMATING SITE OCCUPANCY AND SPECIES DETECTION PROBABILITY PARAMETERS FOR TERRESTRIAL SALAMANDERS

    Larissa L. Bailey;Theodore R. Simons;Kenneth H. Pollock

  • EXPERIMENTAL ANALYSIS OF THE AUDITORY DETECTION PROCESS ON AVIAN POINT COUNTS

    Theodore R. Simons;Mathew W. Alldredge;Kenneth H. Pollock;John M. Wettroth

  • ESTIMATING DETECTION PROBABILITY PARAMETERS FOR PLETHODON SALAMANDERS USING THE ROBUST CAPTURE–RECAPTURE DESIGN

    Larissa L. Bailey;Theodore R. Simons;Kenneth H. Pollock

  • FACTORS AFFECTING AURAL DETECTIONS OF SONGBIRDS

    Mathew W. Alldredge;Theodore R. Simons;Kenneth H. Pollock

  • A field evaluation of distance measurement error in auditory avian point count surveys

    Mathew W. Alldredge;Theodore R. Simons;Kenneth H. Pollock

  • LANDSCAPE EFFECTS ON BREEDING SONGBIRD ABUNDANCE IN MANAGED FORESTS

    Jeremy W. Lichstein;Theodore R. Simons;Kathleen E. Franzreb

  • SPATIAL AND TEMPORAL VARIATION IN DETECTION PROBABILITY OF PLETHODON SALAMANDERS USING THE ROBUST CAPTURE‐RECAPTURE DESIGN

    Larissa L. Bailey;Theodore R. Simons;Kenneth H. Pollock

  • Sampling plethodontid salamanders : Sources of variability

    Erin J. Hyde;Theodore R. Simons

  • Time-of-Detection Method for Estimating Abundance From Point-Count Surveys

    Mathew W. Alldredge;Kenneth H. Pollock;Theodore R. Simons;Jaime A. Collazo

  • Effects of Vegetation and Background Noise on the Detection Process in Auditory Avian Point-Count Surveys

    Krishna Pacifici;Theodore R. Simons;Kenneth H. Pollock

  • A spatial mark–resight model augmented with telemetry data

    Rachel Sollmann;Beth Gardner;Arielle W. Parsons;Jessica J. Stocking

  • Biology and Behavior of the Endangered Hawaiian Dark-Rumped Petrel

    Theodore R. Simons

  • Unmodeled observation error induces bias when inferring patterns and dynamics of species occurrence via aural detections

    Brett T. McClintock;Larissa L. Bailey;Kenneth H. Pollock;Theodore R. Simons

  • STOPOVER OF NEOTROPICAL LANDBIRD MIGRANTS ON EAST SHIP ISLAND FOLLOWING TRANS-GULF MIGRATION

    Amy Jo Kuenzi;Frank R. Moore;Ted R. Simons

  • EFFECTS OF HUMAN RECREATION ON THE INCUBATION BEHAVIOR OF AMERICAN OYSTERCATCHERS

    Conor P. McGOWAN;Theodore R. Simons

  • A novel field evaluation of the effectiveness of distance and independent observer sampling to estimate aural avian detection probabilities

    Mathew W. Alldredge;Krishna Pacifici;Theodore R. Simons;Kenneth H. Pollock

  • Experimental investigation of false positive errors in auditory species occurrence surveys.

    David A. W. Miller;Linda A. Weir;Brett T. McClintock;Evan H. Campbell Grant

  • Multiple-species analysis of point count data: a more parsimonious modelling framework

    Mathew W. Alldredge;Mathew W. Alldredge;Kenneth H. Pollock;Theodore R. Simons;Theodore R. Simons;Susan A. Shriner

  • Comparing Population Size Estimators for Plethodontid Salamanders

    Larissa L. Bailey;Theodore R. Simons;Kenneth H. Pollock

  • The Breeding Status of the American Oystercatcher on the East Coast of North America and Breeding Success in North Carolina

    Melissa B. Davis;Theodore R. Simons;Martha J. Groom;Jerald L. Weaver

  • HOW MANY BASKETS? CLUTCH SIZES THAT MAXIMIZE ANNUAL FECUNDITY OF MULTIPLE-BROODED BIRDS

    George L. Farnsworth;Theodore R. Simons

  • Estimating Detection Probabilities from Multiple-Observer Point Counts (Estimación de Probabilidades de Detección a Partir de Conteos en Puntos Hechos por Varios Observadores)

    Mathew W. Alldredge;Kenneth H. Pollock;Theodore R. Simons

Frequent Co-Authors

Kenneth H. Pollock
Kenneth H. Pollock North Carolina State University
Larissa L. Bailey
Larissa L. Bailey Colorado State University
Beth Gardner
Beth Gardner University of Washington
Jaime A. Collazo
Jaime A. Collazo North Carolina State University
Julien Martin
Julien Martin United States Geological Survey
James D. Nichols
James D. Nichols United States Geological Survey
John R. Sauer
John R. Sauer United States Fish and Wildlife Service
Evan H. Campbell Grant
Evan H. Campbell Grant United States Geological Survey
David A. W. Miller
David A. W. Miller Pennsylvania State University
Jeremy W. Lichstein
Jeremy W. Lichstein University of Florida

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Related Online Degrees & Career Pathways

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