World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
38
Citations
10191
World Ranking
6504
National Ranking
2200

John C. Zak 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 John C. Zak 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: 99 publications — 18th percentile

18% of scientists in this discipline score the same or lower.

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

John C. Zak 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 John C. Zak 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: 38 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

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

Overview

John C. Zak is affiliated with Texas Tech University in the United States. Their research primarily focuses on Agricultural and Biological Sciences, with additional contributions to Environmental Science and Arts and Humanities. Their work spans several subfields including Soil Science, Plant Science, Ecology, Archeology, and Small Animals.

Their research topics include Soil Carbon and Nitrogen Dynamics, Soil erosion and sediment transport, Mycorrhizal Fungi and Plant Interactions, Legume Nitrogen Fixing Symbiosis, Plant nutrient uptake and metabolism, Animal Ecology and Behavior Studies, and Wildlife Ecology and Conservation.

John C. Zak has contributed to multiple peer-reviewed papers, including the following recent publications:

  • No-Till and Crop Rotation Are Promising Practices to Enhance Soil Health in Cotton-Producing Semiarid Regions: Insights from Citizen Science, 2024, Soil Systems
  • Comparative analysis of rhizobial and bacterial communities in experimental cotton fields: Impacts of conventional and conservation soil management in the Texas High Plains, 2023, Soil and Tillage Research
  • A PIGEON'S EYE VIEW OF A UNIVERSITY CAMPUS, 2022, The Southwestern Naturalist

Frequent co-authors associated with John C. Zak include Tesfay Atsbha Hailu, Pawan Devkota, Taiwo O. Osoko, Rakesh K. Singh, and Natasja van Gestel.

The scientist's work is published across several venues, notably Soil Systems, Soil and Tillage Research, and The Southwestern Naturalist.

Best Publications

  • Functional diversity of microbial communities: A quantitative approach

    John C. Zak;Michael R. Willig;Daryl L. Moorhead;Howard G. Wildman

  • Convergence across biomes to a common rain-use efficiency

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

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

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

  • Field response of wheat to arbuscular mycorrhizal fungi and drought stress.

    Ghazi Al-Karaki;B. McMichael;John Zak

  • Pyrosequencing and mid-infrared spectroscopy reveal distinct aggregate stratification of soil bacterial communities and organic matter composition

    Marko Davinic;Lisa M. Fultz;Veronica Acosta-Martinez;Francisco J. Calderón

  • Linking Microbial Community Structure and Function to Seasonal Differences in Soil Moisture and Temperature in a Chihuahuan Desert Grassland

    Colin W. Bell;Veronica Acosta-Martinez;Nancy E. McIntyre;Stephen Cox

  • Soil Microbial Responses to Temporal Variations of Moisture and Temperature in a Chihuahuan Desert Grassland

    Colin W Bell;Nancy E McIntyre;Stephen Cox;David T Tissue;David T Tissue

  • Assessment of pathogens and toxicants in new orleans, LA following hurricane Katrina

    Steven M. Presley;Thomas R. Rainwater;Galen P. Austin;Steven G. Platt

  • Soil microbial community response to drought and precipitation variability in the Chihuahuan Desert.

    Jeb S. Clark;Jeb S. Clark;James H. Campbell;Heath Grizzle;Veronica Acosta-Martìnez

  • Water and nitrogen effects on growth and allocation patterns of creosotebush in the northern Chihuahuan Desert.

    F.M. Fisher;J.C. Zak;G.L. Cunningham;W.G. Whitford

  • Differences in native soil ecology associated with invasion of the exotic annual chenopod, Halogeton glomeratus

    Jeffrey J. Duda;Jeffrey J. Duda;D. Carl Freeman;John M. Emlen;Jayne Belnap

  • Predominant bacterial and fungal assemblages in agricultural soils during a record drought/heat wave and linkages to enzyme activities of biogeochemical cycling

    V. Acosta-Martínez;J. Cotton;T. Gardner;T. Gardner;J. Moore-Kucera

  • Effects of Gap Size on Litter Decomposition and Microbial Activity in a Subtropical Forest

    Unknown

  • Soil microbial and nutrient responses to 7 years of seasonally altered precipitation in a Chihuahuan Desert grassland

    Colin W Bell;David T Tissue;David T Tissue;Michael E Loik;Matthew D Wallenstein

  • Long-term soil microbial community and enzyme activity responses to an integrated cropping-livestock system in a semi-arid region

    V. Acosta-Martínez;C.W. Bell;B.E.L. Morris;J. Zak

  • Precipitation timing and magnitude differentially affect aboveground annual net primary productivity in three perennial species in a Chihuahuan Desert grassland

    Traesha R. Robertson;Colin W. Bell;John C. Zak;David T. Tissue;David T. Tissue

  • A MICROTITER PLATE PROCEDURE FOR EVALUATING FUNGAL FUNCTIONAL DIVERSITY

    Jason K. Dobranic;John C. Zak

  • Effects of water and nitrogen amendment on soil microbial biomass and fine root production in a semi-arid environment in West Texas

    Qishui Zhang;John C. Zak

  • Species richness, equitability, and abundance of ants in disturbed landscapes

    John H. Graham;Anthony J. Krzysik;David A. Kovacic;Jeffrey J. Duda

  • Microbially Mediated Degradation of Common Pharmaceuticals and Personal Care Products in Soil Under Aerobic and Reduced Oxygen Conditions

    Deborah L. Carr;Audra N. Morse;John C. Zak;Todd A. Anderson

  • Effects of an increase in summer precipitation on leaf, soil, and ecosystem fluxes of CO2 and H2O in a sotol grassland in Big Bend National Park, Texas.

    Lisa Patrick;Jessica Cable;Daniel Potts;Danielle Ignace

  • Antimicrobial susceptibilities of Aeromonas spp. isolated from environmental sources.

    Jennifer R. Huddleston;John C. Zak;Randall M. Jeter

Frequent Co-Authors

David T. Tissue
David T. Tissue Western Sydney University
Jeffrey J. Duda
Jeffrey J. Duda United States Geological Survey
Veronica Acosta-Martinez
Veronica Acosta-Martinez Agricultural Research Service
Todd A. Anderson
Todd A. Anderson Texas Tech University
Michael E. Loik
Michael E. Loik University of California, Santa Cruz
Daryl L. Moorhead
Daryl L. Moorhead University of Toledo
Melinda D. Smith
Melinda D. Smith Colorado State University
Michael R. Willig
Michael R. Willig University of Connecticut
Travis E. Huxman
Travis E. Huxman University of California, Irvine
David C. Weindorf
David C. Weindorf Central Michigan University

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