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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Ecology and Evolution 59 2449 2344 14 14 265 11699

Pedro Beja publications per year

The chart shows the history of publications by Pedro Beja between 1989 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Pedro Beja published across 37 years, from 1989 to 2025, averaging 8.1 papers a year. Output peaked at 31 publications in 2021. 38 of the 300 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1989 to 2025. Vertical axis: number of publications, 0 to 31. Peak 31 publications in 2021. 1989: 1 publication 1990: 0 publications 1991: 1 publication 1992: 1 publication 1993: 0 publications 1994: 0 publications 1995: 1 publication 1996: 3 publications 1997: 1 publication 1998: 0 publications 1999: 1 publication 2000: 0 publications 2001: 1 publication 2002: 2 publications 2003: 1 publication 2004: 0 publications 2005: 4 publications 2006: 3 publications 2007: 3 publications 2008: 2 publications 2009: 11 publications 2010: 5 publications 2011: 7 publications 2012: 4 publications 2013: 11 publications 2014: 12 publications 2015: 13 publications 2016: 21 publications 2017: 19 publications 2018: 24 publications 2019: 19 publications 2020: 24 publications 2021: 31 publications 2022: 18 publications 2023: 18 publications 2024: 18 publications 2025: 20 publications
1989 2025

300 publications in total across all disciplines

View publications per year as a table
Pedro Beja: publications per year, 1989 to 2025
Year Publications
1989 1
1990 0
1991 1
1992 1
1993 0
1994 0
1995 1
1996 3
1997 1
1998 0
1999 1
2000 0
2001 1
2002 2
2003 1
2004 0
2005 4
2006 3
2007 3
2008 2
2009 11
2010 5
2011 7
2012 4
2013 11
2014 12
2015 13
2016 21
2017 19
2018 24
2019 19
2020 24
2021 31
2022 18
2023 18
2024 18
2025 20
Total 300
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Pedro Beja publications per year - data summary

  • Pedro Beja, a Ecology and Evolution scholar from University of Porto, has 300 publications recorded across 37 years, from 1989 to 2025.
  • The oldest publication on record dates to 1989 and the most recent to 2025.
  • The most productive year is 2021, with 31 publications.
  • The least productive years with any output are 1989, 1991, 1992, 1995 and others, with 1 publication each.
  • 6 of the 37 years in the span carry no publications at all (1990, 1993, 1994, 1998 and others).
  • The rate of publication averages 8.1 papers per year over the whole span, or 9.7 per year counting only the 31 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 105 publications, 35% of the career total.
  • Split into equal eras - 1989-2001: 10 publications (0.8 per year); 2002-2014: 65 publications (5.0 per year); 2015-2025: 225 publications (20.5 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Pedro Beja 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 Beja sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 100 bars. Horizontal axis: publications, 37–41 to 531+. Vertical axis: number of scientists, 0 to 333. Most scientists, 333, have 97–101 publications. The last bar groups every scientist with 531 publications or more. The highlighted bar, 262–266 publications, is where this scientist sits. 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
37–41 publications 531+

This scientist: 265 publications — 87th percentile

87% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Ecology and Evolution scientists by publication count, Research.com 2026 ranking edition. Based on 8,381 ranked scientists.
Publications Scientists This scientist
37–41 2
42–46 9
47–51 10
52–56 31
57–61 56
62–66 91
67–71 92
72–76 127
77–81 173
82–86 236
87–91 227
92–96 240
97–101 333
102–106 280
107–111 300
112–116 285
117–121 305
122–126 287
127–131 278
132–136 289
137–141 273
142–146 262
147–151 246
152–156 235
157–161 205
162–166 199
167–171 174
172–176 164
177–181 173
182–186 189
187–191 170
192–196 139
197–201 128
202–206 117
207–211 115
212–216 107
217–221 124
222–226 81
227–231 82
232–236 85
237–241 75
242–246 66
247–251 81
252–256 69
257–261 70
262–266 55 265
267–271 64
272–276 49
277–281 48
282–286 44
287–291 45
292–296 36
297–301 39
302–306 38
307–311 30
312–316 34
317–321 25
322–326 22
327–331 28
332–336 30
337–341 22
342–346 30
347–351 26
352–356 22
357–361 29
362–366 21
367–371 12
372–376 18
377–381 17
382–386 13
387–391 21
392–396 13
397–401 10
402–406 15
407–411 8
412–416 9
417–421 8
422–426 4
427–431 10
432–436 10
437–441 5
442–446 4
447–451 10
452–456 2
457–461 4
462–466 7
467–471 7
472–476 6
477–481 6
482–486 3
487–491 3
492–496 4
497–501 4
502–506 8
507–511 5
512–516 4
517–521 5
522–526 4
527–530 5
531+ 100
Download as CSV

Pedro Beja publication distribution in Ecology and Evolution in 2026 - data summary

  • The chart plots the publication count of all 8,381 Ecology and Evolution scientists ranked by Research.com in 2026, grouped into 100 ranges running from 37–41 to 531+ publications.
  • Pedro Beja, a Ecology and Evolution scholar from University of Porto, records 265 publications - the 87th percentile of the discipline.
  • 87% of ranked Ecology and Evolution scientists score the same or lower than Pedro Beja, and about 13% score higher.
  • The median of the discipline falls in the 147–151 publications range, and Pedro Beja ranks above the median.
  • The most crowded range is 97–101 publications, holding 333 scientists (4% of the field).
  • 58% of the field sits in the lowest quarter of the value range (up to 157–161 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 531 publications or more, 100 scientists in all (1% of the field).

Pedro Beja 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 Beja sits on this spectrum.

No. of scientists
50 100 150 200 250
Bar chart with 92 bars. Horizontal axis: D-Index, 30 to 121+. Vertical axis: number of scientists, 0 to 280. Most scientists, 280, have 40 D-Index. The last bar groups every scientist with 121 D-Index or more. The highlighted bar, 59 D-Index, is where this scientist sits. 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: 59 D-Index — 72nd percentile

72% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Ecology and Evolution scientists by D-index, Research.com 2026 ranking edition. Based on 8,381 ranked scientists.
D-Index Scientists This scientist
30 95
31 123
32 191
33 245
34 252
35 244
36 249
37 244
38 254
39 254
40 280
41 274
42 266
43 233
44 248
45 208
46 201
47 213
48 207
49 172
50 209
51 199
52 153
53 169
54 163
55 148
56 120
57 146
58 137
59 140 59
60 104
61 119
62 118
63 99
64 77
65 100
66 86
67 83
68 75
69 94
70 57
71 68
72 59
73 63
74 66
75 60
76 42
77 49
78 39
79 37
80 43
81 41
82 45
83 34
84 40
85 35
86 55
87 24
88 24
89 30
90 23
91 25
92 27
93 27
94 13
95 23
96 12
97 14
98 19
99 16
100 14
101 5
102 21
103 16
104 10
105 7
106 7
107 7
108 6
109 9
110 11
111 12
112 9
113 7
114 3
115 8
116 5
117 11
118 4
119 2
120 5
121+ 100
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Pedro Beja D-index placement in Ecology and Evolution in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 8,381 Ecology and Evolution scientists ranked by Research.com in 2026, grouped into 92 ranges running from 30 to 121+ D-Index.
  • Pedro Beja, a Ecology and Evolution scholar from University of Porto, records 59 D-Index - the 72nd percentile of the discipline.
  • 72% of ranked Ecology and Evolution scientists score the same or lower than Pedro Beja, and about 28% score higher.
  • The median of the discipline falls in the 48 D-Index range, and Pedro Beja ranks above the median.
  • The most crowded range is 40 D-Index, holding 280 scientists (3% of the field).
  • 60% of the field sits in the lowest quarter of the value range (up to 52 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 121 D-Index or more, 100 scientists in all (1% of the field).

Overview

Pedro Beja is affiliated with the University of Porto in Portugal and has a research focus primarily within Environmental Science, Agricultural and Biological Sciences, and Biochemistry, Genetics and Molecular Biology. Their work intersects multiple subfields including Ecology, Ecological Modeling, Ecology, Evolution, Behavior and Systematics, Molecular Biology, and Nature and Landscape Conservation.

The scientist's research encompasses a variety of topics with a strong emphasis on biodiversity and ecological systems. Key areas of study include:

  • Species Distribution and Climate Change
  • Environmental DNA in Biodiversity Studies
  • Identification and Quantification in Food
  • Ecology and Vegetation Dynamics Studies
  • Wildlife Ecology and Conservation
  • Plant and animal studies
  • Avian ecology and behavior

Recent publications by Pedro Beja demonstrate involvement in research related to biodiversity conservation, molecular ecology, and environmental DNA (eDNA) techniques. Notable papers include:

  • "Conservation threats from roadkill in the global road network", 2021, published in Global Ecology and Biogeography
  • "Combining DNA metabarcoding and ecological networks to inform conservation biocontrol by small vertebrate predators", 2021, published in Ecological Applications
  • "Speeding up the detection of invasive bivalve species using environmental DNA: A Nanopore and Illumina sequencing comparison", 2022, published in Molecular Ecology Resources
  • "Modelling technical and biological biases in macroinvertebrate community assessment from bulk preservative using multiple metabarcoding markers", 2020, published in Molecular Ecology
  • "Species detection from aquatic eDNA: Assessing the importance of capture methods", 2020, published in Environmental DNA

Pedro Beja frequently collaborates with several co-authors, including:

  • Sónia Ferreira
  • Francisco Moreira
  • Vanessa A. Mata
  • Pedro Sousa
  • Joana Veríssimo

The scientist's work is often published in specific venues associated with biodiversity data and environmental sciences, including:

  • Biodiversity Data Journal
  • Global Biodiversity Information Facility
  • bioRxiv (Cold Spring Harbor Laboratory)
  • SSRN Electronic Journal
  • Environmental DNA

Best Publications

  • Ecological impacts of early 21st century agricultural change in Europe - a review.

    C. Stoate;A. Báldi;P. Beja;N.D. Boatman

  • The future of biotic indices in the ecogenomic era: Integrating (e)DNA metabarcoding in biological assessment of aquatic ecosystems

    Jan Pawlowski;Mary Kelly-Quinn;Florian Altermatt;Laure Apothéloz-Perret-Gentil

  • Conservation of Mediterranean temporary ponds under agricultural intensification: an evaluation using amphibians

    Pedro Beja;Rita Alcazar

  • The database of the PREDICTS (Projecting Responses of Ecological Diversity In Changing Terrestrial Systems) project

    Lawrence N. Hudson;Tim Newbold;Tim Newbold;Sara Contu;Samantha L.L. Hill;Samantha L.L. Hill

  • The PREDICTS database: a global database of how local terrestrial biodiversity responds to human impacts

    Lawrence N Hudson;Tim Newbold;Tim Newbold;Sara Contu;Samantha L L Hill;Samantha L L Hill

  • Effects of multi‐year droughts on fish assemblages of seasonally drying Mediterranean streams

    M. Filomena Magalhães;Pedro Beja;Isaac J. Schlosser;Maria J. Collares-Pereira

  • Birds of prey as limiting factors of gamebird populations in Europe: a review

    Jari Valkama;Erkki Korpimäki;Beatriz E. Arroyo;Pedro Beja

  • DNAqua-Net: Developing new genetic tools for bioassessment and monitoring of aquatic ecosystems in Europe

    Florian Leese;Florian Altermatt;Agnès Bouchez;Torbjørn Ekrem

  • The use of sighting data to analyse Iberian lynx habitat and distribution

    Luís Palma;Pedro Beja;Miguel Rodrigues

  • An analysis of otter Lutra lutra predation on introduced American crayfish Procambarus clarkii in Iberian streams

    Pedro Rui Beja

  • Distance to edges, edge contrast and landscape fragmentation: Interactions affecting farmland birds around forest plantations

    Luís Reino;Luís Reino;Pedro Beja;Patrick E. Osborne;Rui Morgado

  • Influence of landscape characteristics on carnivore diversity and abundance in Mediterranean farmland

    Ricardo Pita;Ricardo Pita;António Mira;António Mira;Francisco Moreira;Rui Morgado

  • Functional heterogeneity of dry‐season fish refugia across a Mediterranean catchment: the role of habitat and predation

    M. Filomena Magalhães;Pedro Beja;Catarina Canas;Maria João Collares‐Pereira

  • Networks of global bird invasion altered by regional trade ban.

    Luís Reino;Luís Reino;Luís Reino;Rui Figueira;Rui Figueira;Pedro Beja;Pedro Beja;Miguel B. Araújo;Miguel B. Araújo;Miguel B. Araújo

  • Effects of field management and landscape context on grassland wintering birds in Southern Portugal

    Francisco Moreira;Pedro Beja;Rui Morgado;Luís Reino

  • How much is enough? Effects of technical and biological replication on metabarcoding dietary analysis.

    Vanessa A. Mata;Hugo Rebelo;Hugo Rebelo;Hugo Rebelo;Francisco Amorim;Gary F. McCracken

  • Modelling farming system dynamics in High Nature Value Farmland under policy change

    Paulo Flores Ribeiro;José Lima Santos;Miguel N. Bugalho;Joana Santana

  • Advancing the integration of multi-marker metabarcoding data in dietary analysis of trophic generalists

    Luís P. da Silva;Luís P. da Silva;Vanessa A. Mata;Pedro B. Lopes;Paulo Pereira

  • Seasonal patterns of spatial variation in understory bird assemblages across a mosaic of flooded and unflooded Amazonian forests

    Pedro Beja;Carlos David Santos;Carlos David Santos;Joana Santana;Maria João Pereira

  • Structuring of Amazonian bat assemblages: the roles of flooding patterns and floodwater nutrient load.

    Maria João Ramos Pereira;João Tiago Marques;Joana Santana;Carlos David Santos;Carlos David Santos

  • Why do raptors take domestic prey? The case of Bonelli's eagles and pigeons

    Luis Palma;Pedro Beja;Miguel Pais;Luis Cancela Da Fonseca

Frequent Co-Authors

Francisco Moreira
Francisco Moreira University of Porto
Hugo Rebelo
Hugo Rebelo University of Lisbon
Paulo C. Alves
Paulo C. Alves University of Porto
Miguel B. Araújo
Miguel B. Araújo University of Évora
Alain Dejean
Alain Dejean Paul Sabatier University
Tom M. Fayle
Tom M. Fayle Queen Mary University of London
Tim Newbold
Tim Newbold University College London
Andy Purvis
Andy Purvis Natural History Museum
Tony R. Walker
Tony R. Walker Dalhousie University
Jérémy Bouyer
Jérémy Bouyer INRAE : Institut national de recherche pour l'agriculture, l'alimentation et l'environnement

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Related Online Degrees & Career Pathways

For those interested in applying the principles of Ecology and Evolution to broader scientific or human-focused fields, there are numerous accelerated psychology masters programs available online. These flexible options allow students to deepen their understanding of complex behavioral and ecological interactions while advancing their academic credentials—often in less time than traditional campus programs.

Specialized options, such as an accelerated online masters in counseling degree, can prepare graduates for careers supporting individuals and communities, combining knowledge of mental health with environmental awareness. If you are fascinated by the intersection of biology and the legal system, you might also consider careers in forensic science and wonder, how much does a forensic psychologist make? Salaries and demand can vary, but the field offers exciting opportunities for those with an ecological or evolutionary background.

Additionally, students who wish to focus on the next generation may benefit from an online masters child psychology degree, integrating ecological themes into child development and education. Exploring these online pathways can broaden your expertise and open diverse career doors in research, advocacy, policy, and professional practice.

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