World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
40
Citations
5027
World Ranking
6205
National Ranking
2103

Matthew L. Keefer 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 Matthew L. Keefer 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: 132 publications — 41st percentile

41% of scientists in this discipline score the same or lower.

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

Matthew L. Keefer 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 Matthew L. Keefer 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: 40 D-Index — 29th percentile

29% of scientists in this discipline score the same or lower.

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

Overview

Matthew L. Keefer is affiliated with the University of Idaho in the United States. Their research primarily focuses on environmental science with a strong emphasis on nature and landscape conservation, ecology, water science and technology, genetics, and health, toxicology, and mutagenesis.

Their work extensively covers topics related to fish ecology and management studies, hydrology and watershed management, hydrology and sediment transport processes, marine and fisheries research, genetic and phenotypic traits in livestock, genetic diversity, and population structure, as well as fish biology and ecology studies.

Matthew L. Keefer has contributed to several research publications in various respected journals. Some notable recent papers include:

  • Technical fishway passage structures provide high passage efficiency and effective passage for adult Pacific salmonids at eight large dams, 2021, PLoS ONE
  • Elevated stream temperature, origin, and individual size influence Chinook salmon prespawn mortality across the Columbia River Basin, 2021, Fisheries Research
  • Genomic islands of divergence infer a phenotypic landscape in Pacific lamprey, 2020, Molecular Ecology
  • Review of trap-and-haul for managing Pacific salmonids (Oncorhynchus spp.) in impounded river systems, 2020, Reviews in Fish Biology and Fisheries
  • Collective navigation can facilitate passage through human-made barriers by homeward migrating Pacific salmon, 2020, Proceedings of the Royal Society B Biological Sciences

Their frequent co-authors include:

  • Christopher C. Caudill
  • Tami S. Clabough
  • Patrick A. Ross
  • George P. Naughton
  • Timothy J. Blubaugh

Matthew L. Keefer has published multiple studies in the following prominent venues:

  • North American Journal of Fisheries Management
  • Journal of Ecohydraulics
  • Pediatric Allergy and Immunology
  • Fisheries Research
  • Molecular Ecology

Their research contributes to the understanding of aquatic ecosystems, fish passage efficiency, and the effects of environmental factors on fish populations, integrating genetics and ecology with water and landscape conservation principles. The body of work illustrates an interdisciplinary approach to managing and studying salmonid species, hydrological impacts, and genetic diversity within aquatic environments.

Best Publications

  • Homing and straying by anadromous salmonids: a review of mechanisms and rates

    Matthew L. Keefer;Christopher C. Caudill

  • Behavioral Thermoregulation and Slowed Migration by Adult Fall Chinook Salmon in Response to High Columbia River Water Temperatures

    Thomas M. Goniea;Matthew L. Keefer;Theodore C. Bjornn;Christopher A. Peery

  • Slow dam passage in adult columbia river salmonids associated with unsuccessful migration : delayed negative effects of passage obstacles or condition-dependent mortality?

    Christopher C Caudill;William R Daigle;Matthew L Keefer;Charles T Boggs

  • Hydrosystem, Dam, and Reservoir Passage Rates of Adult Chinook Salmon and Steelhead in the Columbia and Snake Rivers

    Matthew L. Keefer;Christopher A. Peery;Theodore C. Bjornn;Michael A. Jepson

  • Socioeconomic and Institutional Dimensions of Dam Removals: The Wisconsin Experience

    Unknown

  • Late-season mortality during migration of radio-tagged adult sockeye salmon (Oncorhynchus nerka) in the Columbia River

    George P. Naughton;Christopher C. Caudill;Matthew L. Keefer;Theodore C. Bjornn

  • Temperature‐mediated en route migration mortality and travel rates of endangered Snake River sockeye salmon

    M. L. Keefer;C. A. Peery;M. J. Heinrich

  • Fallback, Reascension, and Adjusted Fishway Escapement Estimates for Adult Chinook Salmon and Steelhead at Columbia and Snake River Dams

    C. T. Boggs;M. L. Keefer;C. A. Peery;T. C. Bjornn

  • Effects of Body Size and River Environment on the Upstream Migration of Adult Pacific Lampreys

    Matthew L. Keefer;Mary L. Moser;Charles T. Boggs;William R. Daigle

  • Behavioral thermoregulation and associated mortality trade-offs in migrating adult steelhead (Oncorhynchus mykiss): variability among sympatric populations

    Matthew L. KeeferM.L. Keefer;Matthew L. KeeferM.L. Keefer;Christopher A. PeeryC.A. Peery;Christopher A. PeeryC.A. Peery;Brett HighB. High;Brett HighB. High

  • Stock-Specific Migration Timing of Adult Spring–Summer Chinook Salmon in the Columbia River Basin

    Matthew L. Keefer;Christopher A. Peery;Michael A. Jepson;Kenneth R. Tolotti

  • Regurgitation Rates of Intragastric Radio Transmitters by Adult Chinook Salmon and Steelhead during Upstream Migration in the Columbia and Snake Rivers

    M. L. Keefer;C. A. Peery;R. R. Ringe;T. C. Bjornn

  • Prespawn mortality in adult spring Chinook salmon outplanted above barrier dams

    M. L. Keefer;G. A. Taylor;D. F. Garletts;G. A. Gauthier

  • Context-dependent diel behavior of upstream-migrating anadromous fishes

    Matthew L. Keefer;Christopher C. Caudill;Christopher A. Peery;Mary L. Moser

  • Migration Timing of Columbia River Spring Chinook Salmon: Effects of Temperature, River Discharge, and Ocean Environment

    Matthew L. Keefer;Christopher A. Peery;Christopher C. Caudill

  • Non‐direct homing behaviours by adult Chinook salmon in a large, multi‐stock river system

    M. L. Keefer;C. C. Caudill;C. A. Peery;C. T. Boggs

  • Iteroparity in Columbia River summer-run steelhead (Oncorhynchus mykiss): implications for conservation

    Unknown

  • Escapement, harvest, and unknown loss of radio-tagged adult salmonids in the Columbia River Snake River hydrosystem

    Matthew L Keefer;Christopher A Peery;William R Daigle;Michael A Jepson

  • Testing Adult Pacific Lamprey Performance at Structural Challenges in Fishways

    Matthew L. Keefer;William R. Daigle;Christopher A. Peery;Howard T. Pennington

  • Development of Pacific lamprey fishways at a hydropower dam

    M. L. Moser;M. L. Keefer;H. T. Pennington;D. A. Ogden

  • TRANSPORTING JUVENILE SALMONIDS AROUND DAMS IMPAIRS ADULT MIGRATION

    Matthew L. Keefer;Christopher C. Caudill;Christopher A. Peery;Steven R. Lee

  • Variability in migration timing of adult Pacific lamprey (Lampetra tridentata) in the Columbia River, U.S.A.

    Matthew L. Keefer;Mary. L. Moser;Charles T. Boggs;William R. Daigle

Frequent Co-Authors

Shawn R. Narum
Shawn R. Narum University of Idaho
Jason B. Dunham
Jason B. Dunham United States Geological Survey
J. Joshua Smith
J. Joshua Smith Memorial Sloan Kettering Cancer Center
Carl B. Schreck
Carl B. Schreck Oregon State University

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