World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
33
Citations
4070
World Ranking
7899
National Ranking
94

Sam M. Ferreira 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 Sam M. Ferreira 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: 150 publications — 52nd percentile

52% of scientists in this discipline score the same or lower.

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

Sam M. Ferreira 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 Sam M. Ferreira 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: 33 D-Index — 8th percentile

8% of scientists in this discipline score the same or lower.

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

Overview

Sam M. Ferreira is affiliated with South African National Parks in South Africa and specializes in environmental science with a focus on ecology. Their research output covers a range of topics primarily related to wildlife ecology, conservation, and public health concerns within the environmental domain.

Their main fields of study include:

  • Environmental Science

Subfields of their work comprise:

  • Ecology
  • Public Health, Environmental and Occupational Health
  • Agronomy and Crop Science
  • Genetics
  • Small Animals

Core research themes covered in Ferreira's publications include:

  • Wildlife Ecology and Conservation
  • Zoonotic diseases and public health
  • Animal Behavior and Welfare Studies
  • Animal Disease Management and Epidemiology
  • Rangeland Management and Livestock Ecology
  • Ecology and biodiversity studies
  • Species Distribution and Climate Change

Frequent publication venues where Ferreira has contributed include:

  • African Journal of Wildlife Research
  • Koedoe
  • Pachyderm
  • African Journal of Ecology
  • Animal Biotelemetry

Several recent papers illustrate the scope of Ferreira's research interests:

  • Dead-reckoning animal movements in R: a reappraisal using Gundog.Tracks, 2021, Animal Biotelemetry
  • Megaherbivore response to droughts under different management regimes: lessons from a large African savanna, 2020, African Journal of Range and Forage Science
  • How often should dead-reckoned animal movement paths be corrected for drift?, 2021, Animal Biotelemetry
  • The future of sustainability in the context of COVID-19, 2020, AMBIO
  • Census and distribution of large carnivores in the Tsavo national parks, a critical east African wildlife corridor, 2020, African Journal of Ecology

Several collaborators have worked frequently with Ferreira, including:

  • Mads F. Bertelsen
  • Craig J. Tambling
  • Daniel M. Parker
  • Danny Govender
  • Pauli Viljoen

Ferreira's body of work situates them at the intersection of ecological research and applied conservation efforts within African contexts, addressing both animal movement and species management under dynamic environmental conditions.

Best Publications

  • Continent-wide survey reveals massive decline in African savannah elephants.

    Michael J. Chase;Scott Schlossberg;Curtice R. Griffin;Philippe J.C. Bouché

  • Estimating lion population variables: prey and disease effects in Kruger National Park, South Africa.

    Sam M. Ferreira;Paul J. Funston

  • Solutions for elephant Loxodonta africana crop raiding in northern Botswana: moving away from symptomatic approaches

    Tim P. Jackson;Sibangani Mosojane;Sam M. Ferreira;Rudi J. van Aarde

  • Substrate and species constraints on the use of track incidences to estimate African large carnivore abundance

    P. J. Funston;L. Frank;T. Stephens;Z. Davidson

  • An evaluation of habitat rehabilitation on coastal dune forests in Northern Kwazulu-Natal, South Africa

    R. J. Aarde;S. M. Ferreira;J. J. Kritzinger;P. J. Dyk

  • Conservation of New Zealand lizards (Lacertilia : Scincidae) by translocation of small populations

    David R. Towns;Sam M. Ferreira

  • Elephant spatial use in wet and dry savannas of southern Africa

    K. D. Young;S. M. Ferreira;R. J. Van Aarde

  • Conservation science and elephant management in southern Africa

    R.J. Van Aarde;T.P. Jackson;S.M. Ferreira

  • Management of Reintroduced Lions in Small, Fenced Reserves in South Africa: An Assessment and Guidelines

    S.M. Miller;C. Bissett;A. Burger;B. Courtenay

  • Disruption of Rhino Demography by Poachers May Lead to Population Declines in Kruger National Park, South Africa

    Sam M. Ferreira;Cathy Greaver;Grant A. Knight;Mike H. Knight

  • COMMUNITY CONVERGENCE IN DISTURBED SUBTROPICAL DUNE FORESTS

    T. D. Wassenaar;R. J. van Aarde;S. L. Pimm;S. L. Pimm;S. M. Ferreira

  • Growth and age determination of African savanna elephants

    A. M. Shrader;S. M. Ferreira;M. E. McElveen;P. C. Lee

  • Management intervention affects river-bound spatial dynamics of elephants

    Izak P.J. Smit;Sam M. Ferreira

  • Successional changes in rehabilitating coastal dune communities in northern KwaZulu/Natal, South Africa

    R.J. van Aarde;S.M. Ferreira;J.J. Kritzinger

  • Elephant population biology and ecology

    R. J. Van Aarde;S. Ferreira;T. Jackson;B. Page

  • Degradation of the crocodile population in the Olifants River Gorge of Kruger National Park, South Africa

    Sam M. Ferreira;Danie Pienaar

  • Digital photogrammetry and laser rangefinder techniques to measure African elephants

    A. M. Shrader;S. M. Ferreira;R. J. van Aarde

  • Anthropogenic influences on conservation values of white rhinoceros.

    Sam M. Ferreira;Judith M. Botha;Megan C. Emmett

  • Dead-reckoning animal movements in R: a reappraisal using Gundog.Tracks

    Richard M. Gunner;Mark D. Holton;Mike D. Scantlebury;O. Louis van Schalkwyk;O. Louis van Schalkwyk;O. Louis van Schalkwyk

  • Combating Rhino Horn Trafficking: The Need to Disrupt Criminal Networks

    Timothy C. Haas;Sam M. Ferreira

  • Climate change leads to increasing population density and impacts of a key island invader

    Gregory T. W. McClelland;Res Altwegg;Rudi J. van Aarde;Sam Ferreira

  • Digital photogrammetry and laser rangefinder techniques to measure African elephants : research article

    A.M. Shrader;S.M. Ferreira;R.J. Van Aarde

Frequent Co-Authors

Paul J. Funston
Paul J. Funston Panthera Corporation
Rudi J. van Aarde
Rudi J. van Aarde University of Pretoria
Rob Slotow
Rob Slotow University of KwaZulu-Natal
Graham I. H. Kerley
Graham I. H. Kerley Nelson Mandela University
Izak P.J. Smit
Izak P.J. Smit South African National Parks
Carlos M. Duarte
Carlos M. Duarte King Abdullah University of Science and Technology
Rory P. Wilson
Rory P. Wilson Swansea University
Craig Packer
Craig Packer University of Minnesota
Nigel C. Bennett
Nigel C. Bennett University of Pretoria
Marthán N Bester
Marthán N Bester University of Pretoria

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