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Nonprofit · Arlington · United States

Trout Unlimited

In research, Trout Unlimited stands highest in Physical Sciences (#17,255 of 21,541 worldwide), over all time.

tu.orgROR OpenAlex
World rank, 2022–2025
#25,233
of 28,054 · #24,245 all time
Rank in United States
#3,804
of 4,192
Research works
362
▲ 10% vs 2013–17
Citations
6.5k
17.9 per fractional work
Top-10% rate
7.4%
record average 16.5%
Open access
44%
world 28%

What is Trout Unlimited known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Physical SciencesDomain #17,255 of 21,541 19.2%157

Each strip is that field’s whole ranked pool, with the notch where Trout Unlimited sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no world mark, because the world rate differs by field (from about 6% to 21% in this record).

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.76× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 0.62× its world share, 2 worksBiochemistry, Geneti…Immunology and Microbiology: 1.27× its world share, 1 worksImmunology and Micro…Neuroscience: 0.71× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 2.81× its world share, 1 worksPharmacology, Toxico…Chemistry: 0.08× its world share, 0 worksChemistryComputer Science: 0.55× its world share, 3 worksComputer ScienceEarth and Planetary Sciences: 0.90× its world share, 1 worksEarth and Planetary …Engineering: 0.56× its world share, 6 worksEngineeringEnvironmental Science: 5.53× its world share, 18 worksEnvironmental ScienceMaterials Science: 0.24× its world share, 1 worksMaterials ScienceMathematics: 0.42× its world share, 0 worksMathematicsPhysics and Astronomy: 0.69× its world share, 1 worksPhysics and AstronomyDentistry: 0.34× its world share, 0 worksDentistryHealth Professions: 1.73× its world share, 3 worksHealth ProfessionsMedicine: 0.99× its world share, 13 worksMedicineNursing: 1.32× its world share, 0 worksNursingArts and Humanities: 0.56× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.99× its world share, 2 worksBusiness, Management…Decision Sciences: 0.36× its world share, 0 worksDecision SciencesEconomics, Econometrics and Finance: 0.93× its world share, 1 worksEconomics, Econometr…Psychology: 0.37× its world share, 1 worksPsychologySocial Sciences: 0.99× its world share, 8 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Environmental Science, 5.5×. Every wedge is a field page.

Who are the top researchers at Trout Unlimited?

Ranked on the composite score, Jack E. Williams lead among researchers whose main affiliation is Trout Unlimited.

  1. 1 Jack E. Williams United States · #204,605 worldwide 146 citations · 32 works
All ranked researchers at Trout Unlimited

Which keywords describe research at Trout Unlimited?

By fractional works in 2022–2025, weighted toward what it does more of than the world: Risk Assessment, Fuzzy Mathematics, Set Pair Analysis, Invasive Species, Climate Change, Fisheries Sustainability, Freshwater Biodiversity and Habitat Fragmentation.

▲ more of its work than of the world’s◆ about the world’s share▼ less than the world’s

Size is fractional works in 2022–2025 in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Climate Change7▲ 3.9×26 topics
  2. Risk Assessment7▲ 15×3 topics
  3. Fuzzy Mathematics6▲ 462×1 topic
  4. Set Pair Analysis6▲ 462×1 topic
  5. Invasive Species5▲ 18×9 topics
  6. Fisheries Sustainability3▲ 57×2 topics
  7. Freshwater Biodiversity3▲ 83×2 topics
  8. Conservation Challenges3▲ 100×1 topic
  9. Flow Regulation3▲ 100×1 topic
  10. Habitat Fragmentation3▲ 22×2 topics
  11. Sediment Transport2▲ 24×2 topics
  12. Geomorphological Effects2▲ 95×2 topics
  13. Quality of Life2▲ 2.4×8 topics
  14. History2▲ 4.4×4 topics
  15. Identity2▲ 4.2×5 topics
  16. River Restoration2▲ 75×2 topics
  17. Fluvial Processes2▲ 100×1 topic
  18. Riparian Vegetation2▲ 100×1 topic
  19. Colonialism2▲ 5.8×3 topics
  20. Culture2▲ 4.9×3 topics
  21. Diagnosis2▲ 2.8×5 topics
  22. Gender2▲ 5.0×4 topics
  23. Healthcare2▲ 2.4×4 topics
  24. Religion2▲ 5.7×2 topics
  25. Biodiversity2▲ 3.4×10 topics
  26. Infrastructure2▲ 18×2 topics
  27. Financial Performance2▲ 3.8×2 topics
  28. Population Dynamics2▲ 9.0×5 topics
  29. Risk Management2▲ 4.6×3 topics
  30. Society2▲ 12×1 topic
  31. Vietnam2▲ 55×1 topic
  32. Rehabilitation1▲ 5.2×4 topics
  33. Geodetic1▲ 275×1 topic
  34. Monitoring1▲ 20×1 topic
  35. Aquaculture1▲ 6.7×5 topics
  36. Herbal Medicine1▲ 6.0×1 topic
  37. Traditional Chinese Medicine1▲ 14×1 topic
  38. Ecosystem Engineering1▲ 59×2 topics
  39. Insurance1▲ 19×1 topic
  40. Pelvic Floor Dysfunction1▲ 32×1 topic

Which research topics does Trout Unlimited publish most on?

By volume in 2022–2025: Research studies in Vietnam, Fish Ecology and Management Studies, Hydrology and Sediment Transport Processes and Vietnamese History and Culture Studies.

Research studies in Viet…6Research studies in Vietnam: 6 fractional worksFish Ecology and Management Studies: 3 fractional worksHydrology and Sediment Transport Processes: 2 fractional worksVietnamese History and Culture Studies: 2 fractional worksGeodetic Measurements and Engineering Structures: 1 fractional worksMedical Research and Treatments: 1 fractional worksInsurance and Financial Risk Management: 1 fractional worksPelvic floor disorders treatments: 1 fractional worksAppendicitis Diagnosis and Management: 1 fractional worksCongenital gastrointestinal and neural anomalies: 1 fractional works
EcologyNature and Landscape ConservationSociology and Political ScienceCivil and Structural Engineering5 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Research studies in Vietnam Ecology 6 works
  2. 2 Fish Ecology and Management Studies Nature and Landscape Conservation 3 works
  3. 3 Hydrology and Sediment Transport Processes Ecology 2 works
  4. 4 Vietnamese History and Culture Studies Sociology and Political Science 2 works
  5. 5 Geodetic Measurements and Engineering Structures Civil and Structural Engineering 1 works
  6. 6 Medical Research and Treatments Complementary and alternative medicine 1 works
  7. 7 Insurance and Financial Risk Management Economics and Econometrics 1 works
  8. 8 Pelvic floor disorders treatments Rheumatology 1 works
  9. 9 Appendicitis Diagnosis and Management Emergency Medicine 1 works
  10. 10 Congenital gastrointestinal and neural anomalies Surgery 1 works

How open and international is its research?

Against the world’s own shares — the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available43.6%not open56.4%

World: 28% of research is openly available.

with international co-authors22.1%domestic only77.9%

World: 19% is written across borders.

How has Trout Unlimited's research output changed?

Output in 2018–2022 was 10% higher than in 2013–2017.

1990200020102020
grewheldshrank

The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.

Other research institutions in Arlington

All research institutions in Arlington

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.