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Nonprofit · Memphis · United States

Ducks Unlimited

In research, Ducks Unlimited stands highest in Health Sciences (#12,437 of 16,688 worldwide), Medicine (#10,868 of 14,558 worldwide) and Physical Sciences (#14,183 of 17,446 worldwide), over all time.

ducks.orgROR OpenAlex
World rank, 2022-now
#17,878
of 22,385 · #18,214 all time
Rank in United States
#2,619
of 3,332
Research works
550
▼ 13% vs 2018-21
Citations
5.9k
10.8 per fractional work
Top-10% rate
4.7%
all institutions 10.0%
vs its own fields
0.93×
1.00× is exactly expected
Open access
23%
world 40%
International
15%
world 18%
Ducks Unlimited

What is Ducks 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
Health SciencesDomain #12,437 of 16,688 3.7%239
MedicineField #10,868 of 14,558 3.7%206
Physical SciencesDomain #14,183 of 17,446 8.0%123

Each strip is that field's whole ranked pool, with the notch where Ducks 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 average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Ducks Unlimited work in?

In 2022-now, 33% of research at Ducks Unlimited is in Health Sciences, 28% in Social Sciences. Its largest fields are Medicine (29%), Social Sciences (16%), Environmental Science (13%). It does 1.4× the world's share of Health Sciences.

Health Sciences: 31 fractional works · 32.7% of its workMedicine: 27 fractional works · 28.6% of its workEndocrinology, Diabetes and Metabolism: 5 fractional works · 4.8% of its workEpidemiology: 3 fractional works · 2.7% of its workPhysiology: 2 fractional works · 2.5% of its workRheumatology: 2 fractional works · 2.4% of its workPublic Health, Environmental and Occupational Health: 2 fractional works · 2.4% of its workCardiology and Cardiovascular Medicine: 2 fractional works · 2.1% of its workImmunology and Allergy: 1 fractional works · 1.3% of its workPediatrics, Perinatology and Child Health: 1 fractional works · 1.3% of its workSurgery: 1 fractional works · 1.3% of its workPulmonary and Respiratory Medicine: 1 fractional works · 1.1% of its workPsychiatry and Mental health: 1 fractional works · 0.8% of its workNeurology: 1 fractional works · 0.7% of its workPharmacology: 1 fractional works · 0.7% of its workNephrology: 1 fractional works · 0.7% of its workObstetrics and Gynecology: 1 fractional works · 0.7% of its workOncology: 0 fractional works · 0.5% of its workRehabilitation: 0 fractional works · 0.4% of its workOphthalmology: 0 fractional works · 0.3% of its workReproductive Medicine: 0 fractional works · 0.3% of its workInfectious Diseases: 0 fractional works · 0.2% of its workGenetics: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 1.1% of its workHealth Professions: 4 fractional works · 3.7% of its workGeneral Health Professions: 3 fractional works · 3.2% of its workRadiological and Ultrasound Technology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workVeterinary: 0 fractional works · 0.3% of its workSmall Animals: 0 fractional works · 0.3% of its workNursing: 0 fractional works · 0.1% of its workSocial Sciences: 26 fractional works · 27.5% of its workSocial Sciences: 15 fractional works · 16.0% of its workSociology and Political Science: 5 fractional works · 5.2% of its workGender Studies: 4 fractional works · 4.2% of its workDemography: 4 fractional works · 3.7% of its workPolitical Science and International Relations: 1 fractional works · 1.5% of its workEducation: 1 fractional works · 0.6% of its workCommunication: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.4% of its workArts and Humanities: 5 fractional works · 5.2% of its workPhilosophy: 1 fractional works · 1.5% of its workLanguage and Linguistics: 1 fractional works · 1.0% of its workLiterature and Literary Theory: 1 fractional works · 1.0% of its workHistory: 1 fractional works · 0.7% of its workArcheology: 0 fractional works · 0.4% of its workClassics: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPsychology: 3 fractional works · 2.9% of its workClinical Psychology: 1 fractional works · 1.5% of its workExperimental and Cognitive Psychology: 1 fractional works · 0.7% of its workSocial Psychology: 1 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.1% of its workBusiness, Management and Accounting: 2 fractional works · 2.0% of its workManagement Information Systems: 1 fractional works · 0.9% of its workOrganizational Behavior and Human Resource Management: 0 fractional works · 0.5% of its workMarketing: 0 fractional works · 0.2% of its workManagement of Technology and Innovation: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workDecision Sciences: 1 fractional works · 0.8% of its workInformation Systems and Management: 1 fractional works · 0.8% of its workEconomics, Econometrics and Finance: 1 fractional works · 0.7% of its workEconomics and Econometrics: 1 fractional works · 0.7% of its workPhysical Sciences: 22 fractional works · 22.9% of its workEnvironmental Science: 12 fractional works · 12.6% of its workEcology: 6 fractional works · 5.8% of its workNature and Landscape Conservation: 2 fractional works · 1.8% of its workGlobal and Planetary Change: 2 fractional works · 1.7% of its workEcological Modeling: 1 fractional works · 1.3% of its workManagement, Monitoring, Policy and Law: 0 fractional works · 0.4% of its workIndustrial and Manufacturing Engineering: 0 fractional works · 0.3% of its workEnvironmental Engineering: 0 fractional works · 0.3% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.3% of its workEnvironmental Chemistry: 0 fractional works · 0.3% of its workWater Science and Technology: 0 fractional works · 0.3% of its workComputer Science: 4 fractional works · 3.7% of its workArtificial Intelligence: 2 fractional works · 2.3% of its workSignal Processing: 1 fractional works · 0.6% of its workInformation Systems: 0 fractional works · 0.2% of its workComputer Vision and Pattern Recognition: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.4% of its workEngineering: 2 fractional works · 2.2% of its workBiomedical Engineering: 0 fractional works · 0.4% of its workBuilding and Construction: 0 fractional works · 0.3% of its workCivil and Structural Engineering: 0 fractional works · 0.3% of its workElectrical and Electronic Engineering: 0 fractional works · 0.3% of its workMechanical Engineering: 0 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.6% of its workEarth and Planetary Sciences: 2 fractional works · 1.7% of its workEarth-Surface Processes: 1 fractional works · 0.8% of its workAtmospheric Science: 0 fractional works · 0.4% of its workOceanography: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMathematics: 1 fractional works · 1.4% of its workStatistics and Probability: 1 fractional works · 0.9% of its workAlgebra and Number Theory: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.2% of its workChemistry: 0 fractional works · 0.4% of its workAnalytical Chemistry: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPhysics and Astronomy: 0 fractional works · 0.4% of its workAstronomy and Astrophysics: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMaterials Science: 0 fractional works · 0.3% of its workEnergy: 0 fractional works · 0.2% of its workRenewable Energy, Sustainability and the Environment: 0 fractional works · 0.2% of its workLife Sciences: 16 fractional works · 16.8% of its workBiochemistry, Genetics and Molecular Biology: 11 fractional works · 11.6% of its workMolecular Biology: 6 fractional works · 6.0% of its workGenetics: 1 fractional works · 1.5% of its workBiochemistry: 1 fractional works · 1.4% of its workCancer Research: 1 fractional works · 1.1% of its workClinical Biochemistry: 1 fractional works · 0.7% of its workPhysiology: 0 fractional works · 0.5% of its workCell Biology: 0 fractional works · 0.3% of its workAgricultural and Biological Sciences: 2 fractional works · 2.5% of its workPlant Science: 1 fractional works · 0.8% of its workEcology, Evolution, Behavior and Systematics: 0 fractional works · 0.4% of its workAgronomy and Crop Science: 0 fractional works · 0.4% of its workAnimal Science and Zoology: 0 fractional works · 0.3% of its workAquatic Science: 0 fractional works · 0.3% of its workGeneral Agricultural and Biological Sciences: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNeuroscience: 1 fractional works · 1.5% of its workNeurology: 1 fractional works · 0.7% of its workCognitive Neuroscience: 0 fractional works · 0.4% of its workEndocrine and Autonomic Systems: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workImmunology and Microbiology: 1 fractional works · 1.2% of its workImmunology: 1 fractional works · 0.7% of its workParasitology: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.1% of its workALL ITS WORKDucks Unlimited96fractional works, 2022-now
Life Sciences17%Physical Sciences23%Health Sciences33%Social Sciences28%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 24 fields, with their numbers
    1. Medicine2728.6%
    2. Health Professions43.7%
    3. Veterinary00.3%
    4. Nursing00.1%
    1. Social Sciences1516.0%
    2. Arts and Humanities55.2%
    3. Psychology32.9%
    4. Business, Management and Accounting22.0%
    5. Decision Sciences10.8%
    6. Economics, Econometrics and Finance10.7%
    1. Environmental Science1212.6%
    2. Computer Science43.7%
    3. Engineering22.2%
    4. Earth and Planetary Sciences21.7%
    5. Mathematics11.4%
    6. Chemistry00.4%
    7. Physics and Astronomy00.4%
    8. Materials Science00.3%
    9. Energy00.2%
    1. Biochemistry, Genetics and Molecular Biology1111.6%
    2. Agricultural and Biological Sciences22.5%
    3. Neuroscience11.5%
    4. Immunology and Microbiology11.2%
    5. Pharmacology, Toxicology and Pharmaceutics00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

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: 0.52× its world share, 2 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 2.17× its world share, 11 worksBiochemistry, Geneti…Immunology and Microbiology: 1.16× its world share, 1 worksImmunology and Micro…Neuroscience: 0.94× its world share, 2 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 0.20× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.29× its world share, 0 worksChemistryComputer Science: 0.47× its world share, 4 worksComputer ScienceEarth and Planetary Sciences: 1.05× its world share, 2 worksEarth and Planetary …Energy: 0.25× its world share, 0 worksEnergyEngineering: 0.14× its world share, 2 worksEngineeringEnvironmental Science: 2.54× its world share, 12 worksEnvironmental ScienceMaterials Science: 0.08× its world share, 0 worksMaterials ScienceMathematics: 1.21× its world share, 1 worksMathematicsPhysics and Astronomy: 0.20× its world share, 0 worksPhysics and AstronomyHealth Professions: 1.42× its world share, 4 worksHealth ProfessionsMedicine: 1.49× its world share, 27 worksMedicineNursing: 0.18× its world share, 0 worksNursingVeterinary: 1.86× its world share, 0 worksVeterinaryArts and Humanities: 1.80× its world share, 5 worksArts and HumanitiesBusiness, Management and Accounting: 0.61× its world share, 2 worksBusiness, Management…Decision Sciences: 0.84× its world share, 1 worksDecision SciencesEconomics, Econometrics and Finance: 0.32× its world share, 1 worksEconomics, Econometr…Psychology: 0.94× its world share, 3 worksPsychologySocial Sciences: 1.26× its world share, 15 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Environmental Science, 2.5×. Every wedge is a field page.

All 24 fields, with their numbers
  1. Environmental Science2.54×12 works
  2. Biochemistry, Genetics and Molecular Biology2.17×11 works
  3. Veterinary1.86×0 works
  4. Arts and Humanities1.80×5 works
  5. Medicine1.49×27 works
  6. Health Professions1.42×4 works
  7. Social Sciences1.26×15 works
  8. Mathematics1.21×1 works
  9. Immunology and Microbiology1.16×1 works
  10. Earth and Planetary Sciences1.05×2 works
  11. Neuroscience0.94×2 works
  12. Psychology0.94×3 works
  13. Decision Sciences0.84×1 works
  14. Business, Management and Accounting0.61×2 works
  15. Agricultural and Biological Sciences0.52×2 works
  16. Computer Science0.47×4 works
  17. Economics, Econometrics and Finance0.32×1 works
  18. Chemistry0.29×0 works
  19. Energy0.25×0 works
  20. Pharmacology, Toxicology and Pharmaceutics0.20×0 works
  21. Physics and Astronomy0.20×0 works
  22. Nursing0.18×0 works
  23. Engineering0.14×2 works
  24. Materials Science0.08×0 works

Who are the top researchers at Ducks Unlimited?

Ranked on the quality score, Ellen R. Herbert, Anthony Patterson and Scott E. Stephens lead among researchers whose main affiliation is Ducks Unlimited.

  1. 1 Ellen R. Herbert United States · #603,359 worldwide 2k citations · 44 works
  2. 2 Anthony Patterson United States · #1,629,156 worldwide 2.6k citations · 51 works
  3. 3 Scott E. Stephens United States · #1,895,689 worldwide 1.2k citations · 27 works
  4. 4 Mark J. Petrie United States · #1,990,823 worldwide 748 citations · 38 works
  5. 5 Frederic A. Reid United States · #2,520,705 worldwide 1.3k citations · 39 works
  6. 6 Johann A. Walker United States · #2,965,758 worldwide 965 citations · 33 works
  7. 7 Christopher K. Ledbetter United States · #3,004,302 worldwide 138 citations · 24 works
  8. 8 Michael G. Brasher United States · #3,637,253 worldwide 518 citations · 43 works
  9. 9 M. Tankersley United States · #4,171,754 worldwide 12 citations · 17 works
  10. 10 Evan Dunn United States · #4,300,937 worldwide 23 citations · 16 works
All ranked researchers at Ducks Unlimited

What are the most cited papers from Ducks Unlimited?

The most cited paper from Ducks Unlimited is "INVESTMENT PERFORMANCE OF COMMON STOCKS IN RELATION TO THEIR PRICE‐EARNINGS RATIOS: A TEST OF THE EFFICIENT MARKET HYPOTHESIS" (Sudipta Basu, 1977), with 2,487 citations. Next come "Experience Sampling: Promises and Pitfalls, Strengths and Weaknesses" (834) and "Investment Performance of Common Stocks in Relation to Their Price-Earnings Ratios: A Test of the Efficient Market Hypothesis" (602).

Most cited papers
#PaperReleasedCitations
1 INVESTMENT PERFORMANCE OF COMMON STOCKS IN RELATION TO THEIR PRICE‐EARNINGS RATIOS: A TEST OF THE EFFICIENT MARKET HYPOTHESIS Sudipta Basu · The Journal of Finance Jun 1977 2,487
2 Experience Sampling: Promises and Pitfalls, Strengths and Weaknesses Christie Napa Scollon, Chu Kim‐Prieto, Ed Diener · Journal of Happiness Studies Open access Mar 2003 834
3 Investment Performance of Common Stocks in Relation to Their Price-Earnings Ratios: A Test of the Efficient Market Hypothesis Sanjoy Basu · The Journal of Finance Jun 1977 602
4 Environmental Concern Russell H. Weigel, Joan Weigel · Environment and Behavior Mar 1978 537
5 Effects of habitat fragmentation on avian nesting success: a review of the evidence at multiple spatial scales Scott E. Stephens, David N. Koons, Jay J. Rotella et al. · Biological Conservation 23 Apr 2003 341
All 60 most cited papers, with filters and sorting

Which keywords describe research at Ducks Unlimited?

By fractional works in 2022-now, weighted toward what it does more of than the world: Cardiovascular Disease, Metabolic Syndrome, Climate Change, Insulin Resistance, Diabetes, Inflammation, Labor Market and Family Planning.

▲ 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-now 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 Change9▲ 3.3×28 topics
  2. Cardiovascular Disease8▲ 6.9×11 topics
  3. Inflammation7▲ 3.4×15 topics
  4. Metabolic Syndrome7▲ 8.5×9 topics
  5. Epidemiology5▲ 1.35×29 topics
  6. Insulin Resistance5▲ 12×5 topics
  7. Globalization5▲ 2.5×7 topics
  8. Diabetes5▲ 9.6×6 topics
  9. Labor Market4▲ 16×2 topics
  10. Family Planning4▲ 79×2 topics
  11. Socioeconomic Factors4▲ 35×2 topics
  12. Sex Ratios4▲ 254×1 topic
  13. Son Preference4▲ 254×1 topic
  14. Biodiversity4▲ 5.4×10 topics
  15. Obesity4▲ 5.1×8 topics
  16. Social Networks4▲ 14×2 topics
  17. Cancer3▲ 2.6×5 topics
  18. Human Capital3▲ 23×2 topics
  19. Immigration3▲ 32×1 topic
  20. Remittances3▲ 90×1 topic
  21. Glycemic Control3▲ 21×3 topics
  22. Insulin Therapy3▲ 27×3 topics
  23. Invasive Species3▲ 8.0×7 topics
  24. Habitat Selection3▲ 41×2 topics
  25. Type 2 Diabetes3▲ 13×4 topics
  26. Conservation3▲ 6.5×8 topics
  27. Endothelial Dysfunction2▲ 11×2 topics
  28. Life Expectancy2▲ 48×2 topics
  29. Cognitive Impairment2▲ 9.4×2 topics
  30. Behavior Change2▲ 15×2 topics
  31. Folate2▲ 81×1 topic
  32. Homocysteine2▲ 81×1 topic
  33. Mortality Forecasting2▲ 132×1 topic
  34. Population Ageing2▲ 132×1 topic
  35. Apoptosis2▲ 6.9×2 topics
  36. Ecosystem2▲ 21×3 topics
  37. Cholesterol2▲ 14×2 topics
  38. Mitochondrial Function2▲ 22×3 topics
  39. Sphingolipids2▲ 194×1 topic
  40. Sphingosine-1-Phosphate2▲ 194×1 topic

Which research topics does Ducks Unlimited publish most on?

By volume in 2022-now: Demographic Trends and Gender Preferences, Migration and Labor Dynamics, Insurance, Mortality, Demography, Risk Management and Folate and B Vitamins Research.

Demographic Trends and Gender Preferences: 4 fractional worksMigration and Labor Dynamics: 3 fractional worksInsurance, Mortality, De…2Insurance, Mortality, Demography, Risk Management: 2 fractional worksFolate and B Vitamins Re…2Folate and B Vitamins Research: 2 fractional worksSphingolipid Metabolism and Signaling: 2 fractional worksAvian ecology and behavior: 2 fractional worksBiochemical Acid Researc…1Biochemical Acid Research Studies: 1 fractional worksDiabetes Treatment and Management: 1 fractional worksSpecies Distribution and Climate Change: 1 fractional worksNutritional Studies and Diet: 1 fractional works
Gender StudiesSociology and Political ScienceDemographyRheumatology6 others

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

  1. 1 Demographic Trends and Gender Preferences Gender Studies 4 works
  2. 2 Migration and Labor Dynamics Sociology and Political Science 3 works
  3. 3 Insurance, Mortality, Demography, Risk Management Demography 2 works
  4. 4 Folate and B Vitamins Research Rheumatology 2 works
  5. 5 Sphingolipid Metabolism and Signaling Molecular Biology 2 works
  6. 6 Avian ecology and behavior Ecology 2 works
  7. 7 Biochemical Acid Research Studies Biochemistry 1 works
  8. 8 Diabetes Treatment and Management Endocrinology, Diabetes and Metabolism 1 works
  9. 9 Species Distribution and Climate Change Ecological Modeling 1 works
  10. 10 Nutritional Studies and Diet Public Health, Environmental and Occupational Health 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 available23.2%not open76.8%

World: 40% of research is openly available.

with international co-authors14.8%domestic only85.2%

World: 18% is written across borders.

How has Ducks Unlimited's research output changed?

Output in 2022-2025 was 13% lower than in 2018-2021.

still counting1990200020102020
grewheldshrank

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

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Ducks Unlimited as a percentage of every work published that year, 0.00055% in 2024.

still counting0.0010%0.0020%Ducks Unlimited0.00024% in 202519801990200020102020

Fractional works of Ducks Unlimited over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year, against all institutions in the same year.

5%10%all institutions10.0% in 2024Ducks Unlimited5.0% in 202420102020

Of each year's output, the share that reached the world's 10% most cited for its field and year. Peak 7.3% in 2021.

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Ducks Unlimited on Science Explorer

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