World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
40
Citations
9435
World Ranking
5992
National Ranking
2043

Mary C. Freeman 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 Mary C. Freeman 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: 128 publications — 38th percentile

38% of scientists in this discipline score the same or lower.

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

Mary C. Freeman 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 Mary C. Freeman 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: 40 D-Index — 29th percentile

29% of scientists in this discipline score the same or lower.

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

Overview

Mary C. Freeman is affiliated with the United States Fish and Wildlife Service in the United States. Their research primarily focuses on environmental science, with a strong emphasis on ecology and conservation related to freshwater systems.

The main fields of study for Freeman include Environmental Science, with subfields in Ecology, Nature and Landscape Conservation, Ecological Modeling, Molecular Biology, and Water Science and Technology.

Freeman's research topics cover a wide array of subjects including:

  • Fish Ecology and Management Studies
  • Freshwater macroinvertebrate diversity and ecology
  • Species Distribution and Climate Change
  • Hydrology and Sediment Transport Processes
  • Wildlife Ecology and Conservation
  • Aquatic Invertebrate Ecology and Behavior
  • Fish biology, ecology, and behavior

Freeman has contributed to multiple scientific venues, with frequent publications in:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Ecology Of Freshwater Fish
  • Freshwater Biology
  • Hydrobiologia
  • Biological Conservation

Selected recent papers authored or co-authored by Freeman include:

  • "Toward Improved Understanding of Streamflow Effects on Freshwater Fishes," 2022, Fisheries
  • "Ecological forecasting-21st century science for 21st century management," 2020, Antarctica A Keystone in a Changing World
  • "Freshwater crabs (Decapoda: Pseudothelphusidae) increase rates of leaf breakdown in a neotropical headwater stream," 2020, Freshwater Biology
  • "Integrating tracking and resight data enables unbiased inferences about migratory connectivity and winter range survival from archival tags," 2021, Ornithological applications
  • "Rethinking foundation species in a changing world: The case for Rhododendron maximum as an emerging foundation species in shifting ecosystems of the southern Appalachians," 2020, Forest Ecology and Management

Freeman collaborates frequently with other researchers, including:

  • Seth J. Wenger
  • Edward S. Stowe
  • Nathan R. Franssen
  • Keith B. Gido
  • Yoichiro Kanno

Best Publications

  • The ecological limits of hydrologic alteration (ELOHA): a new framework for developing regional environmental flow standards

    N. Leroy Poff;Brian D. Richter;Angela H. Arthington;Stuart E. Bunn

  • Hydrologic connectivity and the contribution of stream headwaters to ecological integrity at regional scales

    Mary C. Freeman;Catherine M. Pringle;C. Rhett Jackson

  • Regional Effects of Hydrologic Alterations on Riverine Macrobiota in the New World: Tropical–Temperate Comparisons

    Catherine M. Pringle;Mary C. Freeman;Byron J. Freeman

  • FLOW AND HABITAT EFFECTS ON JUVENILE FISH ABUNDANCE IN NATURAL AND ALTERED FLOW REGIMES

    Mary C. Freeman;Zachary H. Bowen;Ken D. Bovee;Elise R. Irwin

  • ASSEMBLAGE ORGANIZATION IN STREAM FISHES: EFFECTS OF ENVIRONMENTAL VARIATION AND INTERSPECIFIC INTERACTIONS

    Gary D. Grossman;Robert E. Ratajczak;Maurice Crawford;Mary C. Freeman

  • ESTIMATING SPECIES OCCURRENCE, ABUNDANCE, AND DETECTION PROBABILITY USING ZERO‐INFLATED DISTRIBUTIONS

    Seth J. Wenger;Mary C. Freeman

  • Microhabitat use in a stream fish assemblage

    G. D. Grossman;Mary C. Freeman

  • Ecological consequences of hydropower development in Central America: impacts of small dams and water diversion on neotropical stream fish assemblages

    Elizabeth P. Anderson;Mary C. Freeman;Catherine M. Pringle

  • Investigating hydrologic alteration as a mechanism of fish assemblage shifts in urbanizing streams

    Allison H. Roy;Mary C. Freeman;Byron J. Freeman;Seth J. Wenger

  • Are large‐scale flow experiments informing the science and management of freshwater ecosystems?

    Julian D. Olden;Christopher P. Konrad;Theodore S. Melis;Mark James Kennard

  • Geomorphology and fish assemblages in a Piedmont river basin, U.S.A

    D.M. Walters;D.S. Leigh;Mary C. Freeman;B.J. Freeman

  • Large-scale Flow Experiments for Managing River Systems

    Christopher P. Konrad;Julian D. Olden;David A. Lytle;Theodore S. Melis

  • Fish Assemblage Stability in a Southern Appalachian Stream

    M. C. Freeman;M. K. Crawford;J. C. Barrett;D. E. Facey

  • Principal Component Analyses of Assemblage Structure Data: Utility of Tests Based on Eigenvalues

    Gary D. Grossman;David M. Nickerson;Mary C. Freeman

  • Stream fish occurrence in response to impervious cover, historic land use, and hydrogeomorphic factors

    Seth J. WengerS.J. Wenger;James T. PetersonJ.T. Peterson;Mary C. FreemanM.C. Freeman;Byron J. FreemanB.J. Freeman

  • Ecosystem-Level Consequences of Migratory Faunal Depletion Caused by Dams

    Mary C. Freeman;Catherine M. Pringle;Effie A. Greathouse;Byron J. Freeman

  • Fish Assemblage Responses to Water Withdrawals and Water Supply Reservoirs in Piedmont Streams

    Mary C. Freeman;Paula A. Marcinek

  • Transferability of Habitat Suitability Criteria for Fishes in Warmwater Streams

    Mary C. Freeman;Zachary H. Bowen;Johnie H. Crance

  • Stochasticity and Assemblage Organization in an Indiana Stream Fish Assemblage

    Gary D. Grossman;Mary C. Freeman;Peter B. Moyle;John O. Whitaker

  • Microhabitat use in a mediterranean riverine fish assemblage : Fishes of the upper Matarraña.

    G D Grossman;A de Sostoa;M C Freeman;J Lobon-Cerviá

Frequent Co-Authors

Catherine M. Pringle
Catherine M. Pringle University of Georgia
Seth J. Wenger
Seth J. Wenger University of Georgia
Gary D. Grossman
Gary D. Grossman University of Georgia
Julian D. Olden
Julian D. Olden University of Washington
David A. Lytle
David A. Lytle Oregon State University
Keith B. Gido
Keith B. Gido Kansas State University
Christopher T. Robinson
Christopher T. Robinson Swiss Federal Institute of Aquatic Science and Technology
Mark J. Kennard
Mark J. Kennard Griffith University
John C. Schmidt
John C. Schmidt Utah State University
Andrew J. Sharp
Andrew J. Sharp Icahn School of Medicine at Mount Sinai

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