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Pedro R. Almeida

Pedro R. Almeida

University of Évora
Portugal

D-Index & Metrics

Ecology and Evolution

D-Index
37
Citations
4214
World Ranking
6963
National Ranking
60

Pedro R. Almeida 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 Pedro R. Almeida 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: 125 publications — 36th percentile

36% of scientists in this discipline score the same or lower.

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

Pedro R. Almeida 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 Pedro R. Almeida 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: 37 D-Index — 20th percentile

20% of scientists in this discipline score the same or lower.

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

Overview

Pedro R. Almeida is affiliated with the University of Évora in Portugal and is primarily involved in research within the field of Environmental Science. Their work extensively covers various subfields, particularly Nature and Landscape Conservation, Ecology, Aquatic Science, Genetics, and Global and Planetary Change.

The main topics addressed in their research include Fish Ecology and Management Studies, Fish Biology and Ecology Studies, Genetic diversity and population structure, Marine and fisheries research, Fish biology, ecology, and behavior, Wildlife Ecology and Conservation, and Hydrology and Sediment Transport Processes.

Pedro R. Almeida has contributed to several recent scholarly papers, including:

  • Lamprey fisheries: History, trends and management (2021), Journal of Great Lakes Research
  • Emerging conservation initiatives for lampreys: Research challenges and opportunities (2020), Journal of Great Lakes Research
  • The quest for successful Atlantic salmon restoration: perspectives, priorities, and maxims (2021), ICES Journal of Marine Science
  • Passage and freshwater habitat requirements of anadromous lampreys: Considerations for conservation and control (2020), Journal of Great Lakes Research
  • Managing native and non-native sea lamprey (Petromyzon marinus) through anthropogenic change: A prospective assessment of key threats and uncertainties (2020), Journal of Great Lakes Research

Their research has been prominently published in venues such as the Journal of Great Lakes Research, Ecohydrology, River Research and Applications, Ecology Of Freshwater Fish, and bioRxiv (Cold Spring Harbor Laboratory).

Pedro R. Almeida frequently collaborates with several co-authors, including Bernardo R. Quintella, Carlos M. Alexandre, Esmeralda Pereira, Ana F. Belo, and Catarina S. Mateus.

Best Publications

  • Accumulation and biological cycling of heavy metal in four salt marsh species, from Tagus estuary (Portugal).

    B. Duarte;M. Caetano;P.R. Almeida;C. Vale

  • The Ecology of Larval and Metamorphosing Lampreys

    Heather A. Dawson;Bernardo R. Quintella;Pedro R. Almeida;Andrew J. Treble

  • Movement of radio-tagged anadromous sea lamprey during the spawning migration in the River Mondego (Portugal)

    P. R. Almeida;P. R. Almeida;B. R. Quintella;N. M. Dias

  • Lampreys of the Iberian Peninsula: distribution, population status and conservation

    Catarina S. Mateus;Rolando Rodríguez-Muñoz;Bernardo R. Quintella;M. Judite Alves

  • Evolutionary history of lamprey paired species Lampetra fluviatilis (L.) and Lampetra planeri (Bloch) as inferred from mitochondrial DNA variation

    Rute Espanhol;Pedro R. Almeida;Pedro R. Almeida;M. Judite Alves

  • Feeding ecology of Liza ramada (Risso, 1810) (Pisces, Mugilidae) in a south-western estuary of Portugal

    P.R. Almeida

  • Behavioural patterns of sea lampreys’ spawning migration through difficult passage areas, studied by electromyogram telemetry

    B. R. Quintella;N. O. Andrade;A. Koed;P. R. Almeida;P. R. Almeida

  • Population ecology of the sea lamprey ( Petromyzon marinus ) as an invasive species in the Laurentian Great Lakes and an imperiled species in Europe

    Michael J. Hansen;Charles P. Madenjian;Jeffrey W. Slade;Todd B. Steeves

  • Lamprey spawning migration

    Mary L. Moser;Pedro R. Almeida;Paul S. Kemp;Peter W. Sorensen

  • The critical swimming speed of Iberian barbel Barbus bocagei in relation to size and sex

    C. S. Mateus;B. R. Quintella;P. R. Almeida

  • Macroinvertebrates and fishes as biomonitors of heavy metal concentration in the Seixal Bay (Tagus estuary): Which species perform better?

    I. Caçador;J.L. Costa;J.L. Costa;B. Duarte;G. Silva

  • On the food of the European eel, Anguilla anguilla (L.), in the upper zone of the Tagus estuary, Portugal

    J. L. Costa;C. A. Assis;P. R. Almeida;F. M. Moreira

  • Ecological quality assessment of transitional waters based on fish assemblages in Portuguese estuaries: the Estuarine Fish Assessment Index (EFAI)

    H. N. Cabral;V. F. Fonseca;R. Gamito;C. I. Gonçalves

  • The use of PIT telemetry to study movements of ammocoetes and metamorphosing sea lampreys in river beds

    B. R. Quintella;N. O. Andrade;R. Espanhol;P. R. Almeida;P. R. Almeida

  • Do eel grass beds and salt marsh borders act as preferential nurseries and spawning grounds for fish? An example of the Mira estuary in Portugal

    Maria José Costa;JoséLino Costa;Pedro Raposo de Almeida;Carlos António Assis

  • Distribution, larval stage duration and growth of the sea lamprey ammocoetes, Petromyzon marinus L., in a highly modified river basin

    B. R. Quintella;N. O. Andrade;P. R. Almeida;P. R. Almeida

  • Sea lamprey (Petromyzon marinus L.) spawning migration in the Vouga river basin (Portugal): poaching impact, preferential resting sites and spawning grounds

    N. O. Andrade;B. R. Quintella;J. Ferreira;S. Pinela

  • The feeding strategies of Liza ramada (Risso, 1826) in fresh and brackish water in the river Tagus, Portugal

    P. R. Almeida;F. Moreira;J. L. Costa;C. A. Assis

  • Estuarine movement patterns of adult thin-lipped grey mullet, Liza ramada (Risso) (Pisces, Mugilidae), observed by ultrasonic tracking

    P.R. Almeida

  • Structure and Dynamics of a Benthic Invertebrate Community in an Intertidal Area of the Tagus Estuary, Western Portugal: A Six Year Data Series

    Gilda Silva;José Lino Costa;Pedro Raposo de Almeida;Maria José Costa

Frequent Co-Authors

José Lino Costa
José Lino Costa University of Lisbon
Isabel Caçador
Isabel Caçador University of Lisbon
Francisco Moreira
Francisco Moreira University of Porto
Bernardo Duarte
Bernardo Duarte University of Lisbon
Maria Teresa Ferreira
Maria Teresa Ferreira University of Lisbon
Henrique N. Cabral
Henrique N. Cabral INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement
Charles P. Madenjian
Charles P. Madenjian United States Geological Survey
Rui Cortes
Rui Cortes University of Trás-os-Montes and Alto Douro
Eduarda Pereira
Eduarda Pereira University of Aveiro
Armando C. Duarte
Armando C. Duarte University of Aveiro

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Best Scientists Citing Pedro R. Almeida

Isabel Caçador

Isabel Caçador

University of Lisbon

Publications: 50

Bernardo Duarte

Bernardo Duarte

University of Lisbon

Publications: 45

Henrique N. Cabral

Henrique N. Cabral

INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement

Publications: 42

Maria Teresa Ferreira

Maria Teresa Ferreira

University of Lisbon

Publications: 33

João Carlos Marques

João Carlos Marques

University of Coimbra

Publications: 32

José Lino Costa

José Lino Costa

University of Lisbon

Publications: 29

Margaret F. Docker

Margaret F. Docker

University of Manitoba

Publications: 23

Martyn C. Lucas

Martyn C. Lucas

Durham University

Publications: 21

Vanessa F. Fonseca

Vanessa F. Fonseca

University of Lisbon

Publications: 19

Patrick Reis-Santos

Patrick Reis-Santos

University of Adelaide

Publications: 14

Catarina Vinagre

Catarina Vinagre

University of Lisbon

Publications: 13

Matthew L. Keefer

Matthew L. Keefer

University of Idaho

Publications: 13

Ian C. Potter

Ian C. Potter

Murdoch University

Publications: 13

Susana França

Susana França

University of Lisbon

Publications: 12

Enrique Mateos-Naranjo

Enrique Mateos-Naranjo

University of Seville

Publications: 10

Eric Feunteun

Eric Feunteun

French National Museum of Natural History

Publications: 10

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