World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
46
Citations
11306
World Ranking
4564
National Ranking
1586

Niall P. Hanan 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 Niall P. Hanan 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: 170 publications — 62nd percentile

62% of scientists in this discipline score the same or lower.

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

Niall P. Hanan 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 Niall P. Hanan 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: 46 D-Index — 46th percentile

46% of scientists in this discipline score the same or lower.

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

Overview

Niall P. Hanan is affiliated with New Mexico State University in the United States. Their research contributions span predominantly the fields of Environmental Science and Agricultural and Biological Sciences.

The scientist's subfields of study include Ecology, Global and Planetary Change, Environmental Engineering, Nature and Landscape Conservation, and Ecology, Evolution, Behavior and Systematics. Their research covers diverse topics such as Remote Sensing in Agriculture, Remote Sensing and LiDAR Applications, Ecology and Vegetation Dynamics Studies, Species Distribution and Climate Change, Plant Water Relations and Carbon Dynamics, Rangeland and Wildlife Management, and Rangeland Management and Livestock Ecology.

Recent publications by Niall P. Hanan demonstrate involvement in environmental and ecological research. Notable papers include:

  • "A Role for Drylands in a Carbon Neutral World?" (2021) published in Frontiers in Environmental Science
  • "Toward Operational Mapping of Woody Canopy Cover in Tropical Savannas Using Google Earth Engine" (2020) published in Frontiers in Environmental Science
  • "Study becomes insight: Ecological learning from machine learning" (2021) published in Methods in Ecology and Evolution
  • "Global application of an unoccupied aerial vehicle photogrammetry protocol for predicting aboveground biomass in non-forest ecosystems" (2021) published in Remote Sensing in Ecology and Conservation
  • "Woody-biomass projections and drivers of change in sub-Saharan Africa" (2021) published in Nature Climate Change

Their frequent co-authors include J. Anchang, Qiuyan Yu, Lara Prihodko, Wenjie Ji, and Abid Nazir. Collaboration with these researchers has been substantive, with the largest number of joint publications with J. Anchang.

Publication venues where Niall P. Hanan has most frequently appeared include:

  • Frontiers in Environmental Science
  • SSRN Electronic Journal
  • Nature
  • Environmental Research Ecology
  • Scientific Reports

Best Publications

  • Determinants of woody cover in African savannas

    Mahesh Sankaran;Niall P. Hanan;Robert J. Scholes;Jayashree Ratnam

  • Tree–grass coexistence in savannas revisited – insights from an examination of assumptions and mechanisms invoked in existing models

    Mahesh Sankaran;Jayashree Ratnam;Niall P. Hanan

  • Savanna Vegetation-Fire-Climate Relationships Differ Among Continents

    Caroline E. R. Lehmann;Caroline E. R. Lehmann;T. Michael Anderson;Mahesh Sankaran;Mahesh Sankaran;Steven I. Higgins;Steven I. Higgins

  • Woody cover in African savannas: the role of resources, fire and herbivory

    Mahesh Sankaran;Mahesh Sankaran;Jayashree Ratnam;Niall Hanan

  • AMMA-CATCH studies in the Sahelian region of West-Africa: an overview

    Thierry Lebel;Bernard Cappelaere;Sylvie Galle;Niall Hanan

  • A continental‐scale analysis of tree cover in African savannas

    Gabriela Bucini;Niall P. Hanan

  • Tree effects on grass growth in savannas: competition, facilitation and the stress-gradient hypothesis

    Justin Dohn;Fadiala Dembélé;Moussa Karembé;Aristides Moustakas;Aristides Moustakas

  • Africa and the global carbon cycle

    Christopher A Williams;Niall P Hanan;Jason C Neff;Robert J Scholes

  • Change in dominance determines herbivore effects on plant biodiversity

    Sally E. Koerner;Melinda D. Smith;Deron E. Burkepile;Niall P. Hanan

  • HYSOGs250m, global gridded hydrologic soil groups for curve-number-based runoff modeling.

    C. Wade Ross;Lara Prihodko;Julius Anchang;Sanath Kumar

  • AVHRR monitoring of savanna primary production in Senegal, West Africa: 1987-1988

    O. Diallo;A. Diouf;N. P. Hanan;A. Ndiaye

  • Climate control of terrestrial carbon exchange across biomes and continents

    Chuixiang Yi;Daniel Ricciuto;Runze Li;John Wolbeck

  • A Remote Sensing Study of the NDVI–Ts Relationship and the Transpiration from Sparse Vegetation in the Sahel Based on High-Resolution Satellite Data

    E. Boegh;H. Soegaard;N. Hanan;P. Kabat

  • Productivity, Respiration, and Light-Response Parameters of World Grassland and Agroecosystems Derived From Flux-Tower Measurements

    Tagir G Gilmanov;L Aires;Z Barcza;V S Baron

  • Evaluation of MODIS gross primary productivity for Africa using eddy covariance data

    Martin Sjöström;M. Zhao;S. Archibald;Almut Arneth

  • The AMMA-CATCH Gourma observatory site in Mali: Relating climatic variations to changes in vegetation, surface hydrology, fluxes and natural resources

    E. Mougin;P. Hiernaux;L. Kergoat;M. Grippa

  • Simulated and observed fluxes of sensible and latent heat and CO2 at the WLEF-TV tower using SiB2.5

    Ian Baker;A. Scott Denning;Niall Hanan;Lara Prihodko

  • Thermal optimality of net ecosystem exchange of carbon dioxide and underlying mechanisms.

    Shuli Niu;Yiqi Luo;Yiqi Luo;Shenfeng Fei;Wenping Yuan

  • Assessment of Desertification Around Deep Wells in the Sahel Using Satellite Imagery

    N. P. Hanan;Y. Prevost;A. Diouf;O. Diallo

  • Complexity in water and carbon dioxide fluxes following rain pulses in an African savanna

    Christopher Alan Williams;Niall Hanan;Robert J. Scholes;Werner Kutsch

Frequent Co-Authors

Mahesh Sankaran
Mahesh Sankaran University of Leeds
Robert J. Scholes
Robert J. Scholes University of the Witwatersrand
Sally Archibald
Sally Archibald University of the Witwatersrand
Brandon T. Bestelmeyer
Brandon T. Bestelmeyer Agricultural Research Service
Werner L. Kutsch
Werner L. Kutsch Integrated Carbon Observation System
Serge Rambal
Serge Rambal Centre national de la recherche scientifique, CNRS
Gregory S. Okin
Gregory S. Okin University of California, Los Angeles
Caroline E. R. Lehmann
Caroline E. R. Lehmann University of Edinburgh
Debra P. C. Peters
Debra P. C. Peters United States Department of Agriculture
Osvaldo E. Sala
Osvaldo E. Sala Arizona State University

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