World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
32
Citations
2702
World Ranking
8163
National Ranking
2702

Frank T. van Manen 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 Frank T. van Manen 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: 106 publications — 23rd percentile

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

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

Frank T. van Manen 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 Frank T. van Manen 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: 32 D-Index — 5th percentile

5% of scientists in this discipline score the same or lower.

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

Overview

Frank T. van Manen is affiliated with the United States Geological Survey in the United States. Their research predominantly spans the field of Environmental Science, with a focus on several subfields such as Ecology, Ecological Modeling, Genetics, Ecology, Evolution, Behavior and Systematics, and Global and Planetary Change.

The main topics covered in their work include Wildlife Ecology and Conservation, Species Distribution and Climate Change, Rangeland and Wildlife Management, Animal Ecology and Behavior Studies, Wildlife-Road Interactions and Conservation, Bat Biology and Ecology Studies, and Fire effects on ecosystems.

Van Manen's publication record includes contributions to various scientific journals. Frequent venues for their work are:

  • Journal of Wildlife Management
  • Ursus
  • Global Ecology and Conservation
  • Biological Conservation
  • Functional Ecology

Their recent papers reflect a focus on bear ecology, energetics, and responses to environmental change. Notable recent publications include:

  • "Thermal constraints on energy balance, behaviour and spatial distribution of grizzly bears," 2021, Functional Ecology
  • "Quantifying energetic costs and defining energy landscapes experienced by grizzly bears," 2021, Journal of Experimental Biology
  • "A systematic review of the effects of climate variability and change on black and brown bear ecology and interactions with humans," 2024, Biological Conservation
  • "Responses of American black bears to spring resources," 2021, Ecosphere
  • "Anthropogenic edge effects in habitat selection by sun bears in a protected area," 2021, Wildlife Biology

Van Manen frequently collaborates with other researchers in their field. Key co-authors include:

  • Mark A. Haroldson
  • Kerry A. Gunther
  • Cecily M. Costello
  • Daniel D. Bjornlie
  • Shyamala Ratnayeke

Their work contributes to understanding the interactions between wildlife species-especially bears-and their environment, with attention to the effects of climate variability, habitat selection, energy use, and human impact.

Best Publications

  • Effectiveness of Wildlife Underpasses and Fencing to Reduce Wildlife–Vehicle Collisions

    Matthew F. Mccollister;Frank T. Van Manen

  • Space Use and Habitat Selection by Resident and Transient Coyotes (Canis latrans).

    Joseph W. Hinton;Frank T. van Manen;Michael J. Chamberlain

  • Florida Panther Habitat Use in Response to Prescribed Fire

    Catherine S. Dees;Joseph D. Clark;Frank T. Van Manen

  • Identifying Suitable Sites for Florida Panther Reintroduction

    Cindy A. Thatcher;Frank T. Van Manen;Joseph D. Clark

  • Diet and Macronutrient Optimization in Wild Ursids: A Comparison of Grizzly Bears with Sympatric and Allopatric Black Bears.

    Cecily M. Costello;Steven L. Cain;Shannon R Pils;Leslie Frattaroli

  • Dietary breadth of grizzly bears in the Greater Yellowstone Ecosystem

    Kerry A. Gunther;Rebecca R. Shoemaker;Kevin L. Frey;Mark A. Haroldson

  • Potential paths for male-mediated gene flow to and from an isolated grizzly bear population

    Christopher P. Peck;Frank T. van Manen;Cecily M. Costello;Mark A. Haroldson

  • Whitebark pine, population density, and home-range size of grizzly bears in the greater yellowstone ecosystem.

    Daniel D. Bjornlie;Frank T. Van Manen;Michael R. Ebinger;Mark A. Haroldson

  • Andean bear habitat use in the Oyacachi River Basin, Ecuador

    Francisco Cuesta;Manuel F. Peralvo;Frank T. Van Manen

  • Density dependence, whitebark pine, and vital rates of grizzly bears

    Frank T. van Manen;Mark A. Haroldson;Daniel D. Bjornlie;Michael R. Ebinger

  • Body and diet composition of sympatric black and grizzly bears in the Greater Yellowstone Ecosystem

    Charles C. Schwartz;Jennifer K. Fortin;Justin E. Teisberg;Mark A. Haroldson

  • Multiple estimates of effective population size for monitoring a long-lived vertebrate: an application to Yellowstone grizzly bears.

    Pauline L. Kamath;Mark A. Haroldson;Gordon Luikart;David Paetkau

  • Identifying Habitat Linkages for American Black Bears in North Carolina, USA

    Jason L. Kindall;Frank T. Van Manen

  • Home Ranges and Habitat Use of Sloth Bears Melursus Ursinus Inornatus in Wasgomuwa National Park, Sri Lanka

    Shyamala Ratnayeke;Frank T. van Manen;U. K. G. K. Padmalal

  • Detecting grizzly bear use of ungulate carcasses using global positioning system telemetry and activity data

    Michael R. Ebinger;Michael R. Ebinger;Michael R. Ebinger;Mark A. Haroldson;Frank T. van Manen;Cecily M. Costello

  • Challenges of DNA-Based Mark-Recapture Studies of American Black Bears

    Katie E. Settlage;Frank T. Van Manen;Joseph D. Clark;Timothy Lee King

  • Challenges of Large Carnivore Conservation: Sloth Bear Attacks in Sri Lanka

    Shyamala Ratnayeke;Frank T. Van Manen;Rohan Pieris;Varapragasam S. J. Pragash

  • Short‐Term Impacts of a 4‐Lane Highway on American Black Bears in Eastern North Carolina

    Frank T. Van Manen;Frank T. Van Manen;Matthew F. Mccollister;Jeremy M. Nicholson;Laura M. Thompson

  • Landscape Characteristics of Sloth Bear Range in Sri Lanka

    Shyamala Ratnayeke;Frank T. van Manen;Rohan Pieris;V. S. J. Pragash

  • Correlates of success for on-site releases of nuisance black bears in Great Smoky Mountains National Park

    Jay E. Clark;Frank T. Van Manen;Michael R. Pelton

  • Yellowstone Grizzly Bear investigations: Annual report of the Interagency Grizzly Bear Study Team 2018

    Frank T. van Manen;Mark A. Haroldson;Bryn Karabensh

Frequent Co-Authors

Mark A. Haroldson
Mark A. Haroldson United States Geological Survey
Michael J. Chamberlain
Michael J. Chamberlain University of Georgia
Charles C. Schwartz
Charles C. Schwartz United States Geological Survey
Gary C. White
Gary C. White Colorado State University
Charles T. Robbins
Charles T. Robbins Washington State University
Paul C. Cross
Paul C. Cross United States Geological Survey
Gordon B. Stenhouse
Gordon B. Stenhouse Western University of Health Sciences
John L. Gittleman
John L. Gittleman University of Georgia
Peter S. White
Peter S. White University of North Carolina at Chapel Hill
Peter J. Hudson
Peter J. Hudson Pennsylvania State University

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