World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
61
Citations
15197
World Ranking
2751
National Ranking
181

Ralf B. Schäfer publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Ralf B. Schäfer sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 282 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 26 scientists 501–510 publications: 17 scientists 511–520 publications: 19 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–689 publications: 4 scientists 690+ publications: 100 scientists
41 publications 690+

This scientist: 181 publications — 57th percentile

57% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 690 publications or more.

Ralf B. Schäfer D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Ralf B. Schäfer sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 198 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 20 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125 D-Index: 9 scientists 126+ D-Index: 92 scientists
30 D-Index 126+

This scientist: 61 D-Index — 72nd percentile

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

The last bar groups every scientist with 126 D-Index or more.

Overview

Ralf B. Schäfer is affiliated with the University of Kaiserslautern-Landau - RPTU in Germany. Their research primarily focuses on environmental science, with a strong emphasis on ecology and nature and landscape conservation.

Their work extensively covers multiple subfields including:

  • Ecology
  • Nature and Landscape Conservation
  • Health, Toxicology and Mutagenesis
  • Pollution
  • Ecological Modeling

Key research topics addressed by Schäfer involve:

  • Fish Ecology and Management Studies
  • Freshwater macroinvertebrate diversity and ecology
  • Environmental Toxicology and Ecotoxicology
  • Aquatic Invertebrate Ecology and Behavior
  • Species Distribution and Climate Change
  • Pesticide and Herbicide Environmental Studies
  • Pharmaceutical and Antibiotic Environmental Impacts

Schäfer has published numerous papers in various scientific journals. Notable recent publications include:

  • Impacts of multiple stressors on freshwater biota across spatial scales and ecosystems, 2020, Nature Ecology & Evolution
  • Towards a unified study of multiple stressors: divisions and common goals across research disciplines, 2020, Proceedings of the Royal Society B Biological Sciences
  • The recovery of European freshwater biodiversity has come to a halt, 2023, Nature
  • Pesticides are the dominant stressors for vulnerable insects in lowland streams, 2021, Water Research
  • A global agenda for advancing freshwater biodiversity research, 2021, Ecology Letters

Frequent co-authors collaborating with Schäfer include:

  • Verena C. Schreiner
  • Peter Haase
  • Matthias Liess
  • Florian Leese
  • Núria Bonada

Schäfer has contributed regularly to several publication venues, with the most frequent being:

  • The Science of The Total Environment
  • Environmental Sciences Europe
  • Laryngo-Rhino-Otologie
  • SSRN Electronic Journal
  • Water Research

Best Publications

  • Pesticides reduce regional biodiversity of stream invertebrates

    Mikhail A. Beketov;Ben J. Kefford;Ralf B. Schäfer;Matthias Liess

  • Organic chemicals jeopardize the health of freshwater ecosystems on the continental scale

    Egina Malaj;Egina Malaj;Peter C. von der Ohe;Matthias Grote;Ralph Kühne

  • Salinisation of rivers: An urgent ecological issue

    Miguel Cañedo-Argüelles;Ben J. Kefford;Christophe Piscart;Narcís Prat

  • Fungicides: An overlooked pesticide class?

    Jochen P. Zubrod;Mirco Bundschuh;Mirco Bundschuh;Gertie Arts;Carsten A. Brühl

  • Impacts of multiple stressors on freshwater biota across spatial scales and ecosystems.

    Sebastian Birk;Daniel Chapman;Laurence Carvalho;Bryan M. Spears

  • Effects of pesticides on community structure and ecosystem functions in agricultural streams of three biogeographical regions in Europe

    Ralf Bernhard Schäfer;Thierry Caquet;Katri Siimes;Ralf Mueller

  • Towards the review of the European Union Water Framework Directive: Recommendations for more efficient assessment and management of chemical contamination in European surface water resources.

    Werner Brack;Werner Brack;Valeria Dulio;Marlene Ågerstrand;Ian Allan

  • Towards a unified study of multiple stressors: divisions and common goals across research disciplines.

    James A Orr;Rolf D Vinebrooke;Michelle C Jackson;Kristy J Kroeker

  • Saving freshwater from salts

    M. Cañedo-Argüelles;M. Cañedo-Argüelles;C. P. Hawkins;B. J. Kefford;R. B. Schäfer

  • The recovery of European freshwater biodiversity has come to a halt

    Unknown

  • Thresholds for the Effects of Pesticides on Invertebrate Communities and Leaf Breakdown in Stream Ecosystems

    Ralf B. Schäfer;Peter Carsten von der Ohe;Jes Rasmussen;Ben J. Kefford

  • Pesticides are the dominant stressors for vulnerable insects in lowland streams.

    Matthias Liess;Liana Liebmann;Philipp Vormeier;Oliver Weisner

  • Predicting the synergy of multiple stress effects

    Matthias Liess;Kaarina Foit;Saskia Knillmann;Ralf B. Schäfer

  • The footprint of pesticide stress in communities--species traits reveal community effects of toxicants.

    Matthias Liess;Ralf B. Schäfer;Carola A. Schriever

  • Effects of Pesticides Monitored with Three Sampling Methods in 24 Sites on Macroinvertebrates and Microorganisms

    Ralf B. Schäfer;Ralf B. Schäfer;Vincent Pettigrove;Vincent Pettigrove;Gavin Rose;Graeme Allinson

  • Pesticide mixtures in streams of several European countries and the USA.

    Verena C. Schreiner;Eduard Szöcs;Avit Kumar Bhowmik;Avit Kumar Bhowmik;Martina G. Vijver

  • A global agenda for advancing freshwater biodiversity research.

    Alain Maasri;Alain Maasri;Sonja C. Jähnig;Sonja C. Jähnig;Mihai C. Adamescu;Rita Adrian;Rita Adrian

  • Effects of pesticide toxicity, salinity and other environmental variables on selected ecosystem functions in streams and the relevance for ecosystem services

    Ralf B. Schäfer;Mirco Bundschuh;Duncan A. Rouch;Eduard Szöcs

  • Salt in freshwaters: causes, effects and prospects - introduction to the theme issue.

    Miguel Canedo-Arguelles;Ben Kefford;Ralf B. Schäfer

  • Review on the effects of toxicants on freshwater ecosystem functions.

    K. Peters;M. Bundschuh;M. Bundschuh;R.B. Schäfer

  • A trait database of stream invertebrates for the ecological risk assessment of single and combined effects of salinity and pesticides in South-East Australia.

    Ralf B. Schäfer;Ralf B. Schäfer;Ben J. Kefford;Ben J. Kefford;Leon Metzeling;Matthias Liess

  • Long-term stream invertebrate community alterations induced by the insecticide thiacloprid: effect concentrations and recovery dynamics.

    Mikhail A. Beketov;Ralf Bernhard Schäfer;Andreas Marwitz;Albrecht Paschke

  • Ecological Impacts of Toxic Chemicals

    Francisco Sánchez-Bayo;Paul J. van den Brink;Reinier M. Mann;María Jesús Belzunce

Frequent Co-Authors

Matthias Liess
Matthias Liess Helmholtz Centre for Environmental Research
Ben J. Kefford
Ben J. Kefford University of Canberra
Mirco Bundschuh
Mirco Bundschuh University of Koblenz and Landau
Peter C. von der Ohe
Peter C. von der Ohe Helmholtz Centre for Environmental Research
Werner Brack
Werner Brack Helmholtz Centre for Environmental Research
Paul J. Van den Brink
Paul J. Van den Brink Wageningen University & Research
Ralf Schulz
Ralf Schulz University of Koblenz and Landau
Miguel Cañedo-Argüelles
Miguel Cañedo-Argüelles University of Barcelona
Martin H. Entling
Martin H. Entling University of Koblenz and Landau
Rolf Altenburger
Rolf Altenburger Helmholtz Centre for Environmental Research

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