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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Social Sciences and Humanities 51 2546 2323 1244 1121 249 12527

Robert E. Manning publications per year

The chart shows the history of publications by Robert E. Manning between 1979 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert E. Manning published across 47 years, from 1979 to 2025, averaging 5.8 papers a year. Output peaked at 36 publications in 2012. 5 of the 271 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1979 to 2025. Vertical axis: number of publications, 0 to 36. Peak 36 publications in 2012. 1979: 2 publications 1980: 2 publications 1981: 1 publication 1982: 1 publication 1983: 0 publications 1984: 5 publications 1985: 2 publications 1986: 3 publications 1987: 0 publications 1988: 1 publication 1989: 2 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 1 publication 1994: 0 publications 1995: 2 publications 1996: 3 publications 1997: 3 publications 1998: 2 publications 1999: 5 publications 2000: 9 publications 2001: 10 publications 2002: 17 publications 2003: 13 publications 2004: 20 publications 2005: 12 publications 2006: 5 publications 2007: 5 publications 2008: 7 publications 2009: 22 publications 2010: 15 publications 2011: 10 publications 2012: 36 publications 2013: 5 publications 2014: 7 publications 2015: 8 publications 2016: 1 publication 2017: 9 publications 2018: 9 publications 2019: 2 publications 2020: 3 publications 2021: 1 publication 2022: 2 publications 2023: 3 publications 2024: 4 publications 2025: 1 publication
1979 2025

271 publications in total across all disciplines

View publications per year as a table
Robert E. Manning: publications per year, 1979 to 2025
Year Publications
1979 2
1980 2
1981 1
1982 1
1983 0
1984 5
1985 2
1986 3
1987 0
1988 1
1989 2
1990 0
1991 0
1992 0
1993 1
1994 0
1995 2
1996 3
1997 3
1998 2
1999 5
2000 9
2001 10
2002 17
2003 13
2004 20
2005 12
2006 5
2007 5
2008 7
2009 22
2010 15
2011 10
2012 36
2013 5
2014 7
2015 8
2016 1
2017 9
2018 9
2019 2
2020 3
2021 1
2022 2
2023 3
2024 4
2025 1
Total 271
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Robert E. Manning publications per year - data summary

  • Robert E. Manning, a Social Sciences and Humanities scholar from University of Vermont, has 271 publications recorded across 47 years, from 1979 to 2025.
  • The oldest publication on record dates to 1979 and the most recent to 2025.
  • The most productive year is 2012, with 36 publications.
  • The least productive years with any output are 1981, 1982, 1988, 1993 and others, with 1 publication each.
  • 6 of the 47 years in the span carry no publications at all (1983, 1987, 1990, 1991 and others).
  • The rate of publication averages 5.8 papers per year over the whole span, or 6.6 per year counting only the 41 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 11 publications, 4% of the career total.
  • Split into equal eras - 1979-1994: 20 publications (1.3 per year); 1995-2010: 150 publications (9.4 per year); 2011-2025: 101 publications (6.7 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Robert E. Manning publication distribution in Social Sciences and Humanities in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Social Sciences and Humanities in 2026. The highlighted bar marks where Robert E. Manning sits on this spectrum.

No. of scientists
100 200 300 400
Bar chart with 54 bars. Horizontal axis: publications, 44–53 to 570+. Vertical axis: number of scientists, 0 to 474. Most scientists, 474, have 114–123 publications. The last bar groups every scientist with 570 publications or more. The highlighted bar, 244–253 publications, is where this scientist sits. 44–53 publications: 28 scientists 54–63 publications: 61 scientists 64–73 publications: 161 scientists 74–83 publications: 225 scientists 84–93 publications: 301 scientists 94–103 publications: 390 scientists 104–113 publications: 406 scientists 114–123 publications: 474 scientists 124–133 publications: 453 scientists 134–143 publications: 434 scientists 144–153 publications: 407 scientists 154–163 publications: 411 scientists 164–173 publications: 391 scientists 174–183 publications: 313 scientists 184–193 publications: 319 scientists 194–203 publications: 304 scientists 204–213 publications: 285 scientists 214–223 publications: 246 scientists 224–233 publications: 213 scientists 234–243 publications: 170 scientists 244–253 publications: 167 scientists 254–263 publications: 162 scientists 264–273 publications: 138 scientists 274–283 publications: 138 scientists 284–293 publications: 113 scientists 294–303 publications: 106 scientists 304–313 publications: 95 scientists 314–323 publications: 101 scientists 324–333 publications: 81 scientists 334–343 publications: 69 scientists 344–353 publications: 56 scientists 354–363 publications: 36 scientists 364–373 publications: 42 scientists 374–383 publications: 41 scientists 384–393 publications: 44 scientists 394–403 publications: 27 scientists 404–413 publications: 30 scientists 414–423 publications: 20 scientists 424–433 publications: 29 scientists 434–443 publications: 29 scientists 444–453 publications: 25 scientists 454–463 publications: 19 scientists 464–473 publications: 21 scientists 474–483 publications: 11 scientists 484–493 publications: 17 scientists 494–503 publications: 7 scientists 504–513 publications: 6 scientists 514–523 publications: 12 scientists 524–533 publications: 10 scientists 534–543 publications: 7 scientists 544–553 publications: 6 scientists 554–563 publications: 12 scientists 564–569 publications: 8 scientists 570+ publications: 100 scientists
44–53 publications 570+

This scientist: 249 publications — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 570 publications or more.

View publications distribution as a table
Number of Social Sciences and Humanities scientists by publication count, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
Publications Scientists This scientist
44–53 28
54–63 61
64–73 161
74–83 225
84–93 301
94–103 390
104–113 406
114–123 474
124–133 453
134–143 434
144–153 407
154–163 411
164–173 391
174–183 313
184–193 319
194–203 304
204–213 285
214–223 246
224–233 213
234–243 170
244–253 167 249
254–263 162
264–273 138
274–283 138
284–293 113
294–303 106
304–313 95
314–323 101
324–333 81
334–343 69
344–353 56
354–363 36
364–373 42
374–383 41
384–393 44
394–403 27
404–413 30
414–423 20
424–433 29
434–443 29
444–453 25
454–463 19
464–473 21
474–483 11
484–493 17
494–503 7
504–513 6
514–523 12
524–533 10
534–543 7
544–553 6
554–563 12
564–569 8
570+ 100
Download as CSV

Robert E. Manning publication distribution in Social Sciences and Humanities in 2026 - data summary

  • The chart plots the publication count of all 7,777 Social Sciences and Humanities scientists ranked by Research.com in 2026, grouped into 54 ranges running from 44–53 to 570+ publications.
  • Robert E. Manning, a Social Sciences and Humanities scholar from University of Vermont, records 249 publications - the 78th percentile of the discipline.
  • 78% of ranked Social Sciences and Humanities scientists score the same or lower than Robert E. Manning, and about 22% score higher.
  • The median of the discipline falls in the 164–173 publications range, and Robert E. Manning ranks above the median.
  • The most crowded range is 114–123 publications, holding 474 scientists (6% of the field).
  • 57% of the field sits in the lowest quarter of the value range (up to 174–183 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 570 publications or more, 100 scientists in all (1% of the field).

Robert E. Manning D-index placement in Social Sciences and Humanities in 2026

The chart shows the D-index (discipline H-index) distribution of Social Sciences and Humanities scientists ranked by Research.com in 2026. The highlighted bar marks where Robert E. Manning sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 71 bars. Horizontal axis: D-Index, 30 to 100+. Vertical axis: number of scientists, 0 to 313. Most scientists, 313, have 42 D-Index. The last bar groups every scientist with 100 D-Index or more. The highlighted bar, 51 D-Index, is where this scientist sits. 30 D-Index: 177 scientists 31 D-Index: 210 scientists 32 D-Index: 222 scientists 33 D-Index: 188 scientists 34 D-Index: 181 scientists 35 D-Index: 243 scientists 36 D-Index: 261 scientists 37 D-Index: 272 scientists 38 D-Index: 278 scientists 39 D-Index: 300 scientists 40 D-Index: 297 scientists 41 D-Index: 308 scientists 42 D-Index: 313 scientists 43 D-Index: 300 scientists 44 D-Index: 269 scientists 45 D-Index: 260 scientists 46 D-Index: 228 scientists 47 D-Index: 251 scientists 48 D-Index: 203 scientists 49 D-Index: 186 scientists 50 D-Index: 187 scientists 51 D-Index: 166 scientists 52 D-Index: 138 scientists 53 D-Index: 141 scientists 54 D-Index: 131 scientists 55 D-Index: 137 scientists 56 D-Index: 109 scientists 57 D-Index: 129 scientists 58 D-Index: 95 scientists 59 D-Index: 105 scientists 60 D-Index: 106 scientists 61 D-Index: 86 scientists 62 D-Index: 94 scientists 63 D-Index: 77 scientists 64 D-Index: 79 scientists 65 D-Index: 59 scientists 66 D-Index: 68 scientists 67 D-Index: 51 scientists 68 D-Index: 49 scientists 69 D-Index: 40 scientists 70 D-Index: 43 scientists 71 D-Index: 40 scientists 72 D-Index: 50 scientists 73 D-Index: 46 scientists 74 D-Index: 43 scientists 75 D-Index: 45 scientists 76 D-Index: 45 scientists 77 D-Index: 30 scientists 78 D-Index: 25 scientists 79 D-Index: 31 scientists 80 D-Index: 29 scientists 81 D-Index: 18 scientists 82 D-Index: 21 scientists 83 D-Index: 26 scientists 84 D-Index: 15 scientists 85 D-Index: 15 scientists 86 D-Index: 19 scientists 87 D-Index: 19 scientists 88 D-Index: 12 scientists 89 D-Index: 7 scientists 90 D-Index: 19 scientists 91 D-Index: 20 scientists 92 D-Index: 13 scientists 93 D-Index: 9 scientists 94 D-Index: 13 scientists 95 D-Index: 8 scientists 96 D-Index: 7 scientists 97 D-Index: 6 scientists 98 D-Index: 6 scientists 99 D-Index: 6 scientists 100+ D-Index: 97 scientists
30 D-Index 100+

This scientist: 51 D-Index — 68th percentile

68% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 100 D-Index or more.

View D-Index distribution as a table
Number of Social Sciences and Humanities scientists by D-index, Research.com 2026 ranking edition. Based on 7,777 ranked scientists.
D-Index Scientists This scientist
30 177
31 210
32 222
33 188
34 181
35 243
36 261
37 272
38 278
39 300
40 297
41 308
42 313
43 300
44 269
45 260
46 228
47 251
48 203
49 186
50 187
51 166 51
52 138
53 141
54 131
55 137
56 109
57 129
58 95
59 105
60 106
61 86
62 94
63 77
64 79
65 59
66 68
67 51
68 49
69 40
70 43
71 40
72 50
73 46
74 43
75 45
76 45
77 30
78 25
79 31
80 29
81 18
82 21
83 26
84 15
85 15
86 19
87 19
88 12
89 7
90 19
91 20
92 13
93 9
94 13
95 8
96 7
97 6
98 6
99 6
100+ 97
Download as CSV

Robert E. Manning D-index placement in Social Sciences and Humanities in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 7,777 Social Sciences and Humanities scientists ranked by Research.com in 2026, grouped into 71 ranges running from 30 to 100+ D-Index.
  • Robert E. Manning, a Social Sciences and Humanities scholar from University of Vermont, records 51 D-Index - the 68th percentile of the discipline.
  • 68% of ranked Social Sciences and Humanities scientists score the same or lower than Robert E. Manning, and about 32% score higher.
  • The median of the discipline falls in the 45 D-Index range, and Robert E. Manning ranks above the median.
  • The most crowded range is 42 D-Index, holding 313 scientists (4% of the field).
  • 59% of the field sits in the lowest quarter of the value range (up to 47 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 100 D-Index or more, 97 scientists in all (1% of the field).

Overview

Robert E. Manning is affiliated with the University of Vermont in the United States. Their research spans multiple fields including Social Sciences, Psychology, and Environmental Science, with a focus on subfields such as Sociology and Political Science, Social Psychology, Health, Toxicology and Mutagenesis, Economics and Econometrics, and Global and Planetary Change.

The main topics of their research include Recreation, Leisure, and Wilderness Management; Diverse Aspects of Tourism Research; Urban Green Space and Health; Economic and Environmental Valuation; Place Attachment and Urban Studies; Sport and Mega-Event Impacts; and Land Use and Ecosystem Services.

Their recent papers demonstrate a consistent focus on outdoor recreation, environmental management, and the interaction between human behavior and natural spaces. Notable publications include:

  • Winter tourism and climate change: Exploring local and non-local snowmobilers' perceptions of climate change and adaptation behaviors (2020, Journal of Outdoor Recreation and Tourism)
  • Park Visitors' Place Attachment and Climate Change-related Displacement: Potential Shifts in Who, Where, and When (2021, Environmental Management)
  • A review of digitalization and sustainability in parks and recreation indicators and thresholds research (2022, Journal of Outdoor Recreation and Tourism)
  • How to define urban park relevance? Examining and integrating US National Park Service and partner views on the goal of "relevance to all Americans" (2024, Journal of Environmental Planning and Management)
  • Expanding the viewshed: Insights and implications for examining visitor use management across scales and modalities in an Iconic National Forest (2022, Journal of Outdoor Recreation and Tourism)

These papers have appeared primarily in the following publication venues:

  • Journal of Outdoor Recreation and Tourism
  • SSRN Electronic Journal
  • Environmental Management
  • Journal of Environmental Planning and Management
  • Journal of Park and Recreation Administration

Robert E. Manning has also contributed to academic literature through book publications, including:

  • Studies in Outdoor Recreation: Search and Research for Satisfaction (2022, Oregon State University Press eBooks)
  • Conversations About Visiting and Managing the National Parks (2024, CABI eBooks)

Frequent co-authors in their research include Elizabeth E. Perry, Xiao Xiao, L. E. Anderson, Tatiana A. Iretskaia, and William Valliere.

Best Publications

  • Studies in Outdoor Recreation: Search and Research for Satisfaction

    Robert E. Manning

  • Testing the Dimensionality of Place Attachment in Recreational Settings

    Gerard Kyle;Alan Graefe;Robert Manning

  • Effects of place attachment on users’ perceptions of social and environmental conditions in a natural setting

    Gerard Kyle;Alan Graefe;Robert Manning;James Bacon

  • An Examination of the Relationship between Leisure Activity Involvement and Place Attachment among Hikers Along the Appalachian Trail

    Gerard Kyle;Alan Graefe;Robert Manning;James Bacon

  • Effect of Activity Involvement and Place Attachment on Recreationists' Perceptions of Setting Density

    Gerard Kyle;Alan Graefe;Robert Manning;James Bacon

  • Studies in outdoor recreation

    Robert E. Manning

  • Predictors of Behavioral Loyalty Among Hikers Along the Appalachian Trail

    Gerard Kyle;Alan R. Graefe;Robert Manning;James Bacon

  • Parks and Carrying Capacity: Commons Without Tragedy

    Robert E. Manning

  • Crowding norms at frontcountry sites: A visual approach to setting standards of quality

    Robert E. Manning;Wayne A. Freimund;David W. Lime;David G. Pitt

  • Crowding Norms: Alternative Measurement Approaches

    Robert E. Manning;William A. Valliere;Benjamin Wang

  • Values, ethics, and attitudes toward national forest management: An empirical study

    Robert Manning;William Valliere;Ben Minteer

  • Coping in outdoor recreation: causes and consequences of crowding and conflict among community residents.

    Robert E. Manning;William A. Valliere

  • Use of visual research methods to measure standards of quality for parks and outdoor recreation.

    Robert E. Manning;Wayne A. Freimund

  • Understanding and Managing Experiential Aspects of Soundscapes at Muir Woods National Monument

    Ericka J. Pilcher;Peter B. Newman;Robert E. Manning

  • Visitor Experience and Resource Protection: A Framework for Managing the Carrying Capacity of National Parks

    Robert Manning

  • Managing Visitor Impacts in Parks: A Multi-Method Study of the Effectiveness of Alternative Management Practices

    Logan O. Park;Robert E. Manning;Jeffrey L. Marion;Steven R. Lawson

  • Transportation and recreation: a case study of visitors driving for pleasure at Acadia National Park

    Jeffrey C. Hallo;Robert E. Manning

  • Crowding norms in backcountry settings: a review and synthesis.

    Robert E. Manning

  • Peak and Off-Peak Use: Redistributing the Outdoor Recreation/Tourism Load

    Robert E. Manning;Lawrence A. Powers

  • Managing Outdoor Recreation: Case Studies in the National Parks

    Robert E. Manning;Laura E. Anderson

  • Natural Area Tourism: Ecology, Impacts and Management

    John Shultis;Cyril Kormos;Vance G. Martin;Peter Newman

Frequent Co-Authors

Alan R. Graefe
Alan R. Graefe Pennsylvania State University
Gerard T. Kyle
Gerard T. Kyle Texas A&M University
Peter Newman
Peter Newman Curtin University
David N. Cole
David N. Cole US Forest Service
Jeffrey L. Marion
Jeffrey L. Marion United States Geological Survey
Jerry J. Vaske
Jerry J. Vaske Colorado State University
William Stewart
William Stewart University of Glasgow

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