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Tony Dejean

Tony Dejean

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Ecology and Evolution 38 6537 6311 291 287 84 7629

Tony Dejean publications per year

The chart shows the history of publications by Tony Dejean between 2007 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Tony Dejean published across 19 years, from 2007 to 2025, averaging 5.4 papers a year. Output peaked at 26 publications in 2021. 5 of the 102 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 2007 to 2025. Vertical axis: number of publications, 0 to 26. Peak 26 publications in 2021. 2007: 1 publication 2008: 0 publications 2009: 0 publications 2010: 3 publications 2011: 3 publications 2012: 3 publications 2013: 0 publications 2014: 2 publications 2015: 1 publication 2016: 6 publications 2017: 2 publications 2018: 1 publication 2019: 6 publications 2020: 10 publications 2021: 26 publications 2022: 21 publications 2023: 12 publications 2024: 4 publications 2025: 1 publication
2007 2025

102 publications in total across all disciplines

View publications per year as a table
Tony Dejean: publications per year, 2007 to 2025
Year Publications
2007 1
2008 0
2009 0
2010 3
2011 3
2012 3
2013 0
2014 2
2015 1
2016 6
2017 2
2018 1
2019 6
2020 10
2021 26
2022 21
2023 12
2024 4
2025 1
Total 102
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Tony Dejean publications per year - data summary

  • Tony Dejean, a Ecology and Evolution scholar from SPYGEN, has 102 publications recorded across 19 years, from 2007 to 2025.
  • The oldest publication on record dates to 2007 and the most recent to 2025.
  • The most productive year is 2021, with 26 publications.
  • The least productive years with any output are 2007, 2015, 2018 and 2025, with 1 publication each.
  • 3 of the 19 years in the span carry no publications at all (2008, 2009 and 2013).
  • The rate of publication averages 5.4 papers per year over the whole span, or 6.4 per year counting only the 16 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 64 publications, 63% of the career total.
  • Split into equal eras - 2007-2013: 10 publications (1.4 per year); 2014-2020: 28 publications (4.0 per year); 2021-2025: 64 publications (12.8 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Tony Dejean 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 Tony Dejean 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, 82–86 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: 84 publications — 9th percentile

9% 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 84
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
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

Tony Dejean 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.
  • Tony Dejean, a Ecology and Evolution scholar from SPYGEN, records 84 publications - the 9th percentile of the discipline.
  • 9% of ranked Ecology and Evolution scientists score the same or lower than Tony Dejean, and about 91% score higher.
  • The median of the discipline falls in the 147–151 publications range, and Tony Dejean ranks below 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).

Tony Dejean 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 Tony Dejean 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, 38 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: 38 D-Index — 23rd percentile

23% 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 38
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
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
Download as CSV

Tony Dejean 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.
  • Tony Dejean, a Ecology and Evolution scholar from SPYGEN, records 38 D-Index - the 23rd percentile of the discipline.
  • 23% of ranked Ecology and Evolution scientists score the same or lower than Tony Dejean, and about 77% score higher.
  • The median of the discipline falls in the 48 D-Index range, and Tony Dejean ranks below 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

Tony Dejean is a researcher affiliated with SPYGEN in France, specializing in environmental science with a strong focus on ecology and molecular biology. Their work broadly covers environmental DNA (eDNA) applications in biodiversity studies and food identification and quantification, along with microbial community ecology, fish ecology, and genomic analyses.

Their main fields of study include:

  • Environmental Science
  • Biochemistry, Genetics and Molecular Biology

Key subfields in which Tony Dejean has contributed are:

  • Ecology
  • Molecular Biology
  • Nature and Landscape Conservation
  • Ecological Modeling
  • Global and Planetary Change

The primary research topics explored by Dejean include:

  • Environmental DNA in Biodiversity Studies
  • Identification and Quantification in Food
  • Microbial Community Ecology and Physiology
  • Fish Ecology and Management Studies
  • Genomics and Phylogenetic Studies
  • Species Distribution and Climate Change
  • Protist Diversity and Phylogeny

Dejean's publications have frequently appeared in several scientific venues relevant to their research scope. Notable publication venues include:

  • Environmental DNA
  • Molecular Ecology Resources
  • Proceedings of the Royal Society B Biological Sciences
  • Ecology and Evolution
  • ARPHA Conference Abstracts

Recent papers authored or coauthored by Dejean are:

  • "Let more big fish sink: Fisheries prevent blue carbon sequestration-half in unprofitable areas" (2020) published in Science Advances
  • "GAPeDNA: Assessing and mapping global species gaps in genetic databases for eDNA metabarcoding" (2021) in Diversity and Distributions
  • "Comparing environmental DNA metabarcoding and underwater visual census to monitor tropical reef fishes" (2020) in Environmental DNA
  • "Benchmarking bioinformatic tools for fast and accurate eDNA metabarcoding species identification" (2021) in Molecular Ecology Resources
  • "eDNA sampled from stream networks correlates with camera trap detection rates of terrestrial mammals" (2021) in Scientific Reports

Frequent collaborators of Tony Dejean include:

  • Alice Valentini
  • David Mouillot
  • Virginie Marques
  • Stéphanie Manel
  • Jean-Baptiste Juhel

Best Publications

  • Next-generation monitoring of aquatic biodiversity using environmental DNA metabarcoding

    Alice Valentini;Pierre Taberlet;Pierre Taberlet;Claude Miaud;Raphaël Civade

  • Persistence of environmental DNA in freshwater ecosystems.

    Tony Dejean;Alice Valentini;Antoine Duparc;Stéphanie Pellier-Cuit

  • Improved detection of an alien invasive species through environmental DNA barcoding: the example of the American bullfrog Lithobates catesbeianus

    Tony Dejean;Alice Valentini;Christian Miquel;Pierre Taberlet

  • Using eDNA to develop a national citizen science-based monitoring programme for the great crested newt (Triturus cristatus)

    Jeremy Biggs;Naomi Ewald;Alice Valentini;Coline Gaboriaud

  • Environmental DNA reveals quantitative patterns of fish biodiversity in large rivers despite its downstream transportation

    Didier Pont;Mathieu Rocle;Alice Valentini;Raphaël Civade

  • Environmental DNA surveillance for invertebrate species: advantages and technical limitations to detect invasive crayfish Procambarus clarkii in freshwater ponds.

    Anne Tréguier;Anne Tréguier;Anne Tréguier;Jean Marc Paillisson;Tony Dejean;Alice Valentini

  • Spatial Representativeness of Environmental DNA Metabarcoding Signal for Fish Biodiversity Assessment in a Natural Freshwater System.

    Raphaël Civade;Tony Dejean;Alice Valentini;Nicolas Roset

  • Unlocking biodiversity and conservation studies in high‐diversity environments using environmental DNA (eDNA): A test with Guianese freshwater fishes

    Kévin Cilleros;Alice Valentini;Luc Allard;Tony Dejean

  • Testing the potential of a ribosomal 16S marker for DNA metabarcoding of insects

    Vasco Elbrecht;Pierre Taberlet;Tony Dejean;Alice Valentini

  • Optimizing environmental DNA sampling effort for fish inventories in tropical streams and rivers.

    Isabel Cantera;Kévin Cilleros;Alice Valentini;Axel Cerdan

  • GAPeDNA: Assessing and mapping global species gaps in genetic databases for eDNA metabarcoding

    Virginie Marques;Virginie Marques;Tristan Milhau;Camille Albouy;Tony Dejean

  • Detection of Invasive Mosquito Vectors Using Environmental DNA (eDNA) from Water Samples.

    Judith Schneider;Alice Valentini;Tony Dejean;Fabrizio Montarsi

  • Let more big fish sink: Fisheries prevent blue carbon sequestration-half in unprofitable areas.

    Gaël Mariani;William W. L. Cheung;Arnaud Lyet;Enric Sala

  • Comparing environmental DNA metabarcoding and underwater visual census to monitor tropical reef fishes

    Andrea Polanco Fernández;Virginie Marques;Virginie Marques;Fabian Fopp;Fabian Fopp;Jean-Baptiste Juhel

  • eDNA metabarcoding: a promising method for anuran surveys in highly diverse tropical forests.

    Carla M. Lopes;Thais Sasso;Alice Valentini;Tony Dejean

  • Quantitative monitoring of diverse fish communities on a large scale combining eDNA metabarcoding and qPCR

    Unknown

  • Benchmarking bioinformatic tools for fast and accurate eDNA metabarcoding species identification

    Laetitia Mathon;Alice Valentini;Pierre-Edouard Guérin;Eric Normandeau

  • The future of fish-based ecological assessment of European rivers: from traditional EU Water Framework Directive compliant methods to eDNA metabarcoding-based approaches.

    Didier Pont;Alice Valentini;Mathieu Rocle;Anthony Maire

  • Cross-ocean patterns and processes in fish biodiversity on coral reefs through the lens of eDNA metabarcoding

    Unknown

  • eDNA sampled from stream networks correlates with camera trap detection rates of terrestrial mammals

    Arnaud Lyet;Loïc Pellissier;Loïc Pellissier;Alice Valentini;Tony Dejean

  • Comparing the performance of 12S mitochondrial primers for fish environmental DNA across ecosystems

    F Andrea Polanco;Eilísh Richards;Benjamin Flück;Alice Valentini

  • Blind assessment of vertebrate taxonomic diversity across spatial scales by clustering environmental DNA metabarcoding sequences

    Virginie Marques;Virginie Marques;Pierre‐Édouard Guérin;Mathieu Rocle;Alice Valentini

Frequent Co-Authors

Pierre Taberlet
Pierre Taberlet Grenoble Alpes University
Claude Miaud
Claude Miaud University of Montpellier
Camille Albouy
Camille Albouy ETH Zurich
David Mouillot
David Mouillot University of Montpellier
Sébastien Brosse
Sébastien Brosse Paul Sabatier University
Didier Pont
Didier Pont BOKU University
Stéphanie Manel
Stéphanie Manel PSL University
Jérôme Murienne
Jérôme Murienne Federal University of Toulouse Midi-Pyrénées

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