World's Best Scientists 2026 revealed!
Award Badge
Ecology and Evolution
USA
2026

D-Index & Metrics

Ecology and Evolution

D-Index
105
Citations
49671
World Ranking
211
National Ranking
88

Alan K. Knapp 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 Alan K. Knapp sits on this spectrum.

37–46 publications: 11 scientists 47–56 publications: 41 scientists 57–66 publications: 147 scientists 67–76 publications: 219 scientists 77–86 publications: 409 scientists 87–96 publications: 467 scientists 97–106 publications: 613 scientists 107–116 publications: 585 scientists 117–126 publications: 591 scientists 127–136 publications: 567 scientists 137–146 publications: 535 scientists 147–156 publications: 481 scientists 157–166 publications: 404 scientists 167–176 publications: 338 scientists 177–186 publications: 362 scientists 187–196 publications: 309 scientists 197–206 publications: 246 scientists 207–216 publications: 223 scientists 217–226 publications: 205 scientists 227–236 publications: 167 scientists 237–246 publications: 141 scientists 247–256 publications: 150 scientists 257–266 publications: 125 scientists 267–276 publications: 113 scientists 277–286 publications: 92 scientists 287–296 publications: 81 scientists 297–306 publications: 77 scientists 307–316 publications: 64 scientists 317–326 publications: 47 scientists 327–336 publications: 58 scientists 337–346 publications: 52 scientists 347–356 publications: 48 scientists 357–366 publications: 50 scientists 367–376 publications: 30 scientists 377–386 publications: 30 scientists 387–396 publications: 34 scientists 397–406 publications: 25 scientists 407–416 publications: 17 scientists 417–426 publications: 12 scientists 427–436 publications: 20 scientists 437–446 publications: 9 scientists 447–456 publications: 12 scientists 457–466 publications: 11 scientists 467–476 publications: 13 scientists 477–486 publications: 10 scientists 487–496 publications: 7 scientists 497–506 publications: 12 scientists 507–516 publications: 10 scientists 517–526 publications: 9 scientists 527–532 publications: 6 scientists 533+ publications: 100 scientists
37 publications 533+

This scientist: 381 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 533 publications or more.

Alan K. Knapp 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 Alan K. Knapp 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: 152 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: 120 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: 28 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: 8 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: 3 scientists 122+ D-Index: 99 scientists
30 D-Index 122+

This scientist: 105 D-Index — 98th percentile

98% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 122 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Ecology and Evolution in United States Leader Award
  • 2025 - Research.com Ecology and Evolution in United States Leader Award
  • 2017 - Fellow of American Geophysical Union (AGU)
  • 2009 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Alan K. Knapp is affiliated with Colorado State University in the United States and conducts research primarily within Environmental Science. Their work spans various subfields including Global and Planetary Change, Nature and Landscape Conservation, Ecology, Atmospheric Science, and Plant Science.

Their research focuses on topics such as Plant Water Relations and Carbon Dynamics, Ecology and Vegetation Dynamics Studies, Tree-ring Climate Responses, Remote Sensing in Agriculture, Pasture and Agricultural Systems, Climate Variability and Models, and Soil Carbon and Nitrogen Dynamics.

Knapp has contributed publications to frequently used venues including Global Change Biology, Oecologia, Journal of Ecology, Functional Ecology, and Ecology.

Recent papers authored or co-authored by Knapp with notable citation counts include:

  • Dominant role of soil moisture in mediating carbon and water fluxes in dryland ecosystems (2024) published in Nature Geoscience
  • Extreme drought impacts have been underestimated in grasslands and shrublands globally (2024) published in Proceedings of the National Academy of Sciences
  • Precipitation-productivity relationships and the duration of precipitation anomalies: An underappreciated dimension of climate change (2020) published in Global Change Biology
  • Decoupling of greenness and gross primary productivity as aridity decreases (2022) published in Remote Sensing of Environment
  • Resolving the Dust Bowl paradox of grassland responses to extreme drought (2020) published in Proceedings of the National Academy of Sciences

Frequent collaborators in Knapp's work include Melinda D. Smith, Scott L. Collins, Qiang Yu, Robert J. Griffin-Nolan, and Wentao Luo, reflecting ongoing collaborative efforts across their research projects.

Knapp has been recognized with professional distinctions such as Fellow of the American Geophysical Union (AGU) awarded in 2017 and Fellow of the American Association for the Advancement of Science (AAAS) in 2009.

Best Publications

  • Variation Among Biomes in Temporal Dynamics of Aboveground Primary Production

    Alan K. Knapp;Melinda D. Smith

  • The Importance of Land-Use Legacies to Ecology and Conservation

    David Foster;Frederick Swanson;John Aber;Ingrid Burke

  • Convergence across biomes to a common rain-use efficiency

    Travis E. Huxman;Melinda D. Smith;Melinda D. Smith;Philip A. Fay;Alan K. Knapp

  • Rainfall variability, carbon cycling, and plant species diversity in a mesic grassland

    Alan K. Knapp;Philip A. Fay;John M. Blair;Scott L. Collins;Scott L. Collins

  • Consequences of More Extreme Precipitation Regimes for Terrestrial Ecosystems

    Alan K. Knapp;Claus Beier;David D. Briske;Aimée T. Classen

  • Modulation of Diversity by Grazing and Mowing in Native Tallgrass Prairie

    Scott L. Collins;Scott L. Collins;Scott L. Collins;Alan K. Knapp;Alan K. Knapp;Alan K. Knapp;John M. Briggs;John M. Briggs;John M. Briggs;John M. Blair;John M. Blair;John M. Blair

  • Leaf optical properties in higher plants: linking spectral characteristics to stress and chlorophyll concentration

    Gregory A. Carter;Alan K. Knapp

  • The Origins of C4 Grasslands: Integrating Evolutionary and Ecosystem Science

    Erika J. Edwards;Colin P. Osborne;Caroline A.E. Strömberg;Stephen A. Smith

  • Assessing the Response of Terrestrial Ecosystems to Potential Changes in Precipitation

    Jake F. Weltzin;Michael E. Loik;Susanne Schwinning;David G. Williams

  • The Keystone Role of Bison in North American Tallgrass Prairie

    Alan K. Knapp;John M. Blair;John M. Briggs;Scott L. Collins

  • The Keystone Role of Bison in North American Tallgrass Prairie Bison increase habitat heterogeneity and alter a broad array of plant, community, and ecosystem processes

    A. K. Knapp;J. M. Blair;J. M. Briggs;S. L. Collins;S. L. Collins

  • An Ecosystem in Transition: Causes and Consequences of the Conversion of Mesic Grassland to Shrubland

    John M. Briggs;Alan K. Knapp;John M. Blair;Jana L. Heisler

  • Dominant species maintain ecosystem function with non‐random species loss

    Melinda D. Smith;Alan K. Knapp

  • An integrated conceptual framework for long‐term social–ecological research

    Scott L Collins;Stephen R Carpenter;Scott M Swinton;Daniel E Orenstein

  • Detritus Accumulation Limits Productivity of Tallgrass PrairieThe effects of its plant litter on ecosystem function make the tallgrass prairie unique among North American biomes

    Unknown

  • Resistance and resilience of a grassland ecosystem to climate extremes

    David L. Hoover;Alan K. Knapp;Melinda D. Smith

  • A framework for assessing ecosystem dynamics in response to chronic resource alterations induced by global change

    Melinda D. Smith;Alan K. Knapp;Scott L. Collins

  • Shrub encroachment in North American grasslands: shifts in growth form dominance rapidly alters control of ecosystem carbon inputs

    Alan K. Knapp;John M. Briggs;Scott L. Collins;Steven R. Archer

  • Interannual variability in primary production in tallgrass prairie: climate, soil moisture, topographic position, and fire as determinants of aboveground biomass

    John M. Briggs;Alan K. Knapp

  • Tracking the rhythm of the seasons in the face of global change: phenological research in the 21st century.

    Jeffrey T Morisette;Andrew D Richardson;Alan K Knapp;Jeremy I Fisher

  • Grassland dynamics : long-term ecological research in tallgrass prairie

    Alan K. Knapp

  • Climate change and precipitation – Consequences of more extreme precipitation regimes for terrestrial ecosystems

    Claus Beier;A Knapp;D Briske

Frequent Co-Authors

Melinda D. Smith
Melinda D. Smith Colorado State University
Scott L. Collins
Scott L. Collins University of New Mexico
John M. Blair
John M. Blair Kansas State University
Kevin R. Wilcox
Kevin R. Wilcox University of North Carolina at Greensboro
John M. Briggs
John M. Briggs Kansas State University
Philip A. Fay
Philip A. Fay Agricultural Research Service
Yiqi Luo
Yiqi Luo Cornell University
Deron E. Burkepile
Deron E. Burkepile University of California, Santa Barbara
Sally E. Koerner
Sally E. Koerner University of North Carolina at Greensboro
Kevin P. Kirkman
Kevin P. Kirkman University of KwaZulu-Natal

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Exploring Ecology and Evolution opens the door to diverse careers—and online education is making these opportunities more accessible than ever. Many students considering this field also look into non profit online schools for their dedication to quality, flexibility, and affordability. These institutions offer reputable degrees without the high tuition costs sometimes seen at for-profit colleges.

For veterans or active duty service members, choosing an online college for military can provide unique support, military tuition assistance, and flexible scheduling to balance both service commitments and academic goals.

If you're interested in working at the intersection of human and environmental systems, a pathway like social work master programs online could be a strong fit, especially for those passionate about community advocacy and public health in ecological settings.

Many students also seek to advance quickly in allied disciplines through accelerated masters in psychology programs, which offer fast-tracked learning and can complement ecological expertise with a deeper understanding of human behavior and conservation psychology.

Best Scientists Citing Alan K. Knapp

Trending Scientists

Recently Published Articles