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Ryan A. Sponseller

Ryan A. Sponseller

Umeå University
Sweden

D-Index & Metrics

Ecology and Evolution

D-Index
47
Citations
8159
World Ranking
4444
National Ranking
110

Ryan A. Sponseller 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 Ryan A. Sponseller 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: 130 publications — 39th percentile

39% of scientists in this discipline score the same or lower.

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

Ryan A. Sponseller 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 Ryan A. Sponseller 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: 47 D-Index — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Overview

Ryan A. Sponseller is a researcher affiliated with Umeå University in Sweden. Their work primarily focuses on Environmental Science and Earth and Planetary Sciences, supported by an extensive publication record across various subfields.

Their key research areas include Ecology, Environmental Chemistry, Nature and Landscape Conservation, Water Science and Technology, and Oceanography. They have contributed significantly to the understanding of processes in these domains.

Published research topics cover:

  • Soil and Water Nutrient Dynamics
  • Marine and Coastal Ecosystems
  • Fish Ecology and Management Studies
  • Hydrology and Watershed Management Studies
  • Peatlands and Wetlands Ecology
  • Freshwater Macroinvertebrate Diversity and Ecology
  • Coastal Wetland Ecosystem Dynamics

Recent notable papers by the researcher include:

  • "Global methane emissions from rivers and streams" (2023) published in Nature
  • "Global carbon dioxide efflux from rivers enhanced by high nocturnal emissions" (2021) published in Nature Geoscience
  • "Northern landscapes in transition: Evidence, approach and ways forward using the Krycklan Catchment Study" (2021) published in Hydrological Processes
  • "Drought alters the biogeochemistry of boreal stream networks" (2020) published in Nature Communications
  • "Integrating carbon emission, accumulation and transport in inland waters to understand their role in the global carbon cycle" (2020) published in Global Change Biology

Their frequent co-authors include:

  • Hjalmar Laudon
  • Lluís Gómez-Gener
  • Megan L. Fork
  • Gerard Rocher-Ros
  • Eliza Maher Hasselquist

Publications by Ryan A. Sponseller have appeared mainly in the following venues:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Limnology and Oceanography
  • Global Biogeochemical Cycles
  • Global Change Biology
  • Water Resources Research

The researcher's contributions span interdisciplinary approaches, combining biogeochemical, ecological, and hydrological perspectives to study inland waters, wetland ecosystems, and landscape-level environmental changes.

Best Publications

  • Sources of and processes controlling CO2 emissions change with the size of streams and rivers

    E. R. Hotchkiss;E. R. Hotchkiss;R. O. Hall;R. A. Sponseller;D. Butman

  • RIPARIAN ZONES INCREASE REGIONAL SPECIES RICHNESS BY HARBORING DIFFERENT, NOT MORE, SPECIES

    John L. Sabo;Ryan Sponseller;Mark Dixon;Kris Gade

  • Relationships between land use, spatial scale and stream macroinvertebrate communities

    R. A. Sponseller;E. F. Benfield;H. M. Valett

  • Precipitation pulses and soil CO2flux in a Sonoran Desert ecosystem

    Ryan A. Sponseller

  • Global methane emissions from rivers and streams

    Unknown

  • Global patterns and drivers of ecosystem functioning in rivers and riparian zones

    Scott D. Tiegs;David M. Costello;Mark W. Isken;Guy Woodward

  • HORIZONS IN STREAM BIOGEOCHEMISTRY: FLOWPATHS TO PROGRESS

    Stuart G. Fisher;Ryan A. Sponseller;James B. Heffernan

  • Influences of land use on leaf breakdown in Southern Appalachian headwater streams: a multiple-scale analysis

    R. A. Sponseller;E. F. Benfield

  • Global carbon dioxide efflux from rivers enhanced by high nocturnal emissions

    Lluís Gómez-Gener;Gerard Rocher-Ros;Tom Battin;Matthew J. Cohen

  • Patchy field sampling biases understanding of climate change impacts across the Arctic

    Daniel B. Metcalfe;Thirze D. G. Hermans;Jenny Ahlstrand;Michael Becker

  • Applying resilience thinking to production ecosystems

    L. Rist;A. Felton;M. Nyström;Max Troell

  • Nitrogen dynamics in managed boreal forests : Recent advances and future research directions

    Ryan A. Sponseller;Michael J. Gundale;Martyn Futter;Eva Ring

  • Landscape process domains drive patterns of CO2 evasion from river networks

    Gerard Rocher-Ros;Ryan A. Sponseller;William Lidberg;Carl-Magnus Mörth

  • Atmospheric deposition of carbon and nutrients across an arid metropolitan area.

    Kathleen A. Lohse;Diane Hope;Ryan Sponseller;Ryan Sponseller;Jonathan O. Allen

  • Linking Biodiversity, Ecosystem Functioning and Services, and Ecological Resilience: Towards an Integrative Framework for Improved Management

    Amelie Truchy;David G. Angeler;Ryan A. Sponseller;Richard K. Johnson

  • Groundwater inflows control patterns and sources of greenhouse gas emissions from streams

    Anna Lupon;Blaize A. Denfeld;Hjalmar Laudon;Jason Leach

  • Functional ecomorphology: Feedbacks between form and function in fluvial landscape ecosystems

    Stuart G. Fisher;James B. Heffernan;Ryan A. Sponseller;Jill R. Welter

  • Towards an Improved Conceptualization of Riparian Zones in Boreal Forest Headwaters

    José L. J. Ledesma;Martyn N. Futter;M. Blackburn;Fredrik Lidman

  • Northern landscapes in transition : Evidence, approach and ways forward using the Krycklan Catchment Study

    Hjalmar Laudon;Eliza Maher Hasselquist;Matthias Peichl;Kim Lindgren

  • Consequences of More Intensive Forestry for the Sustainable Management of Forest Soils and Waters

    Hjalmar Laudon;Ryan A. Sponseller;Richard W. Lucas;Martyn N. Futter

  • Responses of macroinvertebrate communities to long-term flow variability in a Sonoran Desert stream

    Ryan A. Sponseller;Nancy B. Grimm;Andrew J. Boulton;John L. Sabo

  • Scale-dependent groundwater contributions influence patterns of winter baseflow stream chemistry in boreal catchments

    Andrés Peralta-Tapia;Ryan A. Sponseller;Anneli Ågren;Doerthe Tetzlaff

  • Connecting precipitation inputs and soil flow pathways to stream water in contrasting boreal catchments.

    A Peralta-Tapia;Ryan A Sponseller;D Tetzlaff;C Soulsby

Frequent Co-Authors

Hjalmar Laudon
Hjalmar Laudon Swedish University of Agricultural Sciences
Kevin Bishop
Kevin Bishop Swedish University of Agricultural Sciences
Nancy B. Grimm
Nancy B. Grimm Arizona State University
Reiner Giesler
Reiner Giesler Umeå University
Brendan G. McKie
Brendan G. McKie Swedish University of Agricultural Sciences
Micael Jonsson
Micael Jonsson Umeå University
Jan Karlsson
Jan Karlsson Umeå University
James B. Heffernan
James B. Heffernan Duke University
Scott L. Collins
Scott L. Collins University of New Mexico
Stuart G. Fisher
Stuart G. Fisher Arizona State University

External Links

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Best Scientists Citing Ryan A. Sponseller

Hjalmar Laudon

Hjalmar Laudon

Swedish University of Agricultural Sciences

Publications: 82

Kevin Bishop

Kevin Bishop

Swedish University of Agricultural Sciences

Publications: 34

Nancy B. Grimm

Nancy B. Grimm

Arizona State University

Publications: 31

Doerthe Tetzlaff

Doerthe Tetzlaff

Leibniz Association

Publications: 30

Brendan G. McKie

Brendan G. McKie

Swedish University of Agricultural Sciences

Publications: 27

Martyn N. Futter

Martyn N. Futter

Swedish University of Agricultural Sciences

Publications: 21

Klement Tockner

Klement Tockner

Goethe University Frankfurt

Publications: 21

John S. Richardson

John S. Richardson

University of British Columbia

Publications: 20

Mark O. Gessner

Mark O. Gessner

Technical University of Berlin

Publications: 20

Chris Soulsby

Chris Soulsby

University of Aberdeen

Publications: 19

Robert O. Hall

Robert O. Hall

University of Montana

Publications: 18

Scott L. Collins

Scott L. Collins

University of New Mexico

Publications: 18

Russell L. Scott

Russell L. Scott

Agricultural Research Service

Publications: 18

Jan Karlsson

Jan Karlsson

Umeå University

Publications: 18

Thibault Datry

Thibault Datry

Centre national de la recherche scientifique, CNRS

Publications: 18

Eric Chauvet

Eric Chauvet

Paul Sabatier University

Publications: 17

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