World's Best Scientists 2026 revealed!
Sidinei Magela Thomaz

Sidinei Magela Thomaz

D-Index & Metrics

Ecology and Evolution

D-Index
57
Citations
13783
World Ranking
2682
National Ranking
41

Sidinei Magela Thomaz 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 Sidinei Magela Thomaz 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: 211 publications — 77th percentile

77% of scientists in this discipline score the same or lower.

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

Sidinei Magela Thomaz 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 Sidinei Magela Thomaz 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: 57 D-Index — 69th percentile

69% of scientists in this discipline score the same or lower.

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

Overview

Sidinei Magela Thomaz is affiliated with the State University of Maringa in Brazil and specializes in environmental science, with an emphasis on ecology and nature conservation. Their research contributions focus significantly on aquatic ecosystems and related ecological dynamics.

The main fields of study covered by Thomaz include Environmental Science, under which their work further subdivides into subfields such as Ecology, Nature and Landscape Conservation, Environmental Chemistry, Global and Planetary Change, and Insect Science.

Thomaz's research topics are diverse within the environmental domain, prominently featuring:

  • Aquatic Ecosystems and Phytoplankton Dynamics
  • Fish Ecology and Management Studies
  • Coastal Wetland Ecosystem Dynamics
  • Fish Biology, Ecology, and Behavior
  • Aquatic Invertebrate Ecology and Behavior
  • Biological Control of Invasive Species
  • Ecology and Vegetation Dynamics Studies

Their publishing record highlights multiple papers with a focus on freshwater and aquatic environments. Notable recent publications include:

  • Ecosystem services provided by freshwater macrophytes, 2021, Hydrobiologia
  • Opinion: The future of nature conservation in Brazil, 2020, Inland Waters

Frequent publication venues for Thomaz include:

  • Hydrobiologia
  • Biological Invasions
  • Aquatic Sciences
  • Aquatic Ecology
  • SSRN Electronic Journal

Thomaz often collaborates with other researchers in the field. Their frequent co-authors include:

  • Márcio José Silveira
  • Danielle Katharine Petsch
  • Roger Paulo Mormul
  • André Andrian Padial
  • Bárbara Angélio Quirino

Their work is evidenced in studies addressing ecosystem services, river basin degradation, and species diversity, reflecting a multidisciplinary approach towards environmental management and conservation challenges.

Best Publications

  • Floods increase similarity among aquatic habitats in river-floodplain systems

    Sidinei M. Thomaz;Luis Mauricio Bini;Reinaldo Luiz Bozelli

  • Global diversity of aquatic macrophytes in freshwater

    P. A. Chambers;P. Lacoul;K. J. Murphy;S. M. Thomaz

  • Habitat complexity: approaches and future directions

    Katya E. Kovalenko;Sidinei M. Thomaz;Danielle M. Warfe

  • Aquatic invasive species: challenges for the future.

    John E. Havel;Katya E. Kovalenko;Sidinei Magela Thomaz;Stefano Amalfitano

  • The role of macrophytes in habitat structuring in aquatic ecosystems: methods of measurement, causes and consequences on animal assemblages' composition and biodiversity O papel das macrófitas na estruturação de habitat em ambientes aquáticos: métodos de medida, causas e consequências para a composição das assembléias animais e biodiversidade

    Sidinei Magela Thomaz;Eduardo Ribeiro da Cunha

  • Conservation of the Biodiversity of Brazil's Inland Waters

    Angelo A. Agostinho;Sidinei M. Thomaz;Luiz C. Gomes

  • Patterns of colonization in neotropical reservoirs, and prognoses on aging

    A.A. Agostinho;L.E. Miranda;L.M. Bini;L.C. Gomes

  • Global loss of aquatic vegetation in lakes

    Yunlin Zhang;Erik Jeppesen;Xiaohan Liu;Boqiang Qin

  • Influence of aquatic macrophyte habitat complexity on invertebrate abundance and richness in tropical lagoons

    Sidinei M. Thomaz;Eric D. Dibble;Luiz R. Evangelista;Janet Higuti

  • Limnology in the Upper Paraná River floodplain: large-scale spatial and temporal patterns, and the influence of reservoirs

    Roberto Mc;Santana Nn;Thomaz Sm

  • Biodiversity in the high Paraná River floodplain

    A.A. Agostinho;S.M. Thomaz;C.V. Minte-Vera;K.O. Winemiller

  • Aquatic macrophyte distribution in relation to water and sediment conditions in the Itaipu Reservoir, Brazil.

    L. Mauricio Bini;Sidinei M. Thomaz;Kevin J. Murphy;Antonio F. M. Camargo

  • Ecosystem services provided by freshwater macrophytes

    Unknown

  • Threats for biodiversity in the floodplain of the Upper Paraná River: effects of hydrological regulation by dams

    A A Agostinho;S M Thomaz;L C Gomes

  • Fish assemblages associated with Egeria in a tropical reservoir: investigating the effects of plant biomass and diel period

    Fernando Mayer Pelicice;Angelo Antonio Agostinho;Sidinei Magela Thomaz

  • Ecosystem services provided by river-floodplain ecosystems

    Unknown

  • Floods decrease zooplankton beta diversity and environmental heterogeneity in an Amazonian floodplain system

    Reinaldo Luiz Bozelli;Sidinei Magela Thomaz;André Andrian Padial;Paloma Marinho Lopes

  • Influence of the macrophyte Eichhornia azurea on fish assemblage of the Upper Paraná River floodplain (Brazil)

    Angelo A. Agostinho;Sidinei M. Thomaz;Luiz C. Gomes;Solma L. S. M. A. Baltar

  • Effects of an exotic invasive macrophyte (tropical signalgrass) on native plant community composition, species richness and functional diversity

    Thaísa Sala Michelan;Sidinei Magela Thomaz;Roger Paulo Mormul;Priscilla Carvalho

  • A unified index to measure ecological diversity and species rarity

    Renio S. Mendes;Luiz R. Evangelista;Sidinei M. Thomaz;Angelo A. Agostinho

  • Effects of structural heterogeneity provided by the floating macrophyte Eichhornia azurea on the predation efficiency and habitat use of the small Neotropical fish Moenkhausia sanctaefilomenae

    André Andrian Padial;Sidinei Magela Thomaz;Angelo Antonio Agostinho

  • Fatores ecológicos associados à colonização e ao desenvolvimento de macrófitas aquáticas e desafios de manejo

    S.M. Thomaz

Frequent Co-Authors

Luis Mauricio Bini
Luis Mauricio Bini Universidade Federal de Goiás
Angelo Antonio Agostinho
Angelo Antonio Agostinho State University of Maringa
André Andrian Padial
André Andrian Padial Federal University of Paraná
Luiz Carlos Gomes
Luiz Carlos Gomes State University of Maringa
Claudia Costa Bonecker
Claudia Costa Bonecker State University of Maringa
Fernando Mayer Pelicice
Fernando Mayer Pelicice Federal University of Tocantins
Jean Ricardo Simões Vitule
Jean Ricardo Simões Vitule Federal University of Paraná
Diego Fontaneto
Diego Fontaneto Water Research Institute
Lee B. Kats
Lee B. Kats Pepperdine University
Erik Jeppesen
Erik Jeppesen Aarhus University

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Related Online Degrees & Career Pathways

Studying Ecology and Evolution opens the door to vast interdisciplinary fields. Many students also explore adjacent online degrees, such as online architecture school to deepen their understanding of environmental design and sustainability. These programs can complement ecological knowledge by focusing on eco-friendly structures and human impacts on the environment.

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Students interested in science communication may pursue online graphic design programs. These skills help translate complex ecological concepts into compelling visuals and outreach materials—crucial for careers in education, conservation, and public engagement.

For those with broad interests, interdisciplinary options provide unmatched flexibility. Admissions policies and tuition for online interdisciplinary studies admissions and costs vary, but these programs allow you to tailor your academic path, blending ecology, evolution, policy, and more for diverse career opportunities.

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