Curriculum Vitae

Colwell CV 2025 January.pdf

Curriculum Vitae

Robert Knight Colwell

Personal E-mail: robertkcolwell@gmail.com
Homepage: robertkcolwell.org

Education Ph.D. 1969 University of Michigan, Ann Arbor, MI, Ecology
A.B. 1965 Harvard University, Cambridge, MA, Biology

Affiliations and Professional Experience

2012-Present Museum Curator Adjoint in Entomology and Zoology, University of Colorado Museum of
Natural History, Boulder

2014-Present Distinguished Research Professor, University of Connecticut

2014-Present Board of Trustees Distinguished Professor Emeritus, University of Connecticut

2014-Present           Professor e Pesquisador Visitante Especial, Universidade Federal de Goiás, Brazil

2010-Present           International Collaborator, Center for Macroecology, Evolution and Climate, GLOBE Institute,
University of Copenhagen, Denmark

2016-2021               Adjunct Professor, Tropical Forests and People Research Centre, University of the Sunshine
Coast, Sippy Downs, Queensland, Australia

2001-2014              Board of Trustees Distinguished Professor, University of Connecticut

1989-2001              Professor, University of Connecticut

1982-1990 Professor, University of California at Berkeley

1976-1982 Associate Professor, University of California, Berkeley

1970-1976 Assistant Professor, University of California, Berkeley

1983-1985 Vice Chair, Department of Zoology, U.C., Berkeley

1982 Acting Chair, Department of Zoology, U.C., Berkeley

1969-1970 Ford Postdoctoral Fellow, University of Chicago

1967-1969 NSF Graduate Fellowship, University of Michigan

1965-1966 Curatorial Associate in Ethnobotany, Harvard University

2014 (Jan-April) CAPES Science Without Borders Fellow, Universidade Federal de Goiás, Brazil

2010 (Jan-April) Visiting Professor, University of Copenhagen, Denmark

2009 (Oct-Nov)       Visiting Professor, National Autonomous University of Mexico, Morelia, Mexico

2002 (Jan-July)        Visiting Scientist, Rainforest Cooperative Research Centre, James Cook University, Cairns,
Queensland, Australia

1969-2015              Visiting Professor, Organization for Tropical Studies, Costa Rica (16 courses; Course
Coordinator, 1 course)

2000 (December)     Visiting Professor, Instituto Humboldt, Villa de Leyva, Colombia

1994 (Spring)          Visiting Professor, University of Colorado

1989 (Fall) Visiting Professor, Arizona State University

1985 (Summer) Visiting Professor, Michigan State University

1982 (Fall) Visiting Professor, Uppsala Univ., Uppsala, Sweden

1973 (Summer) Visiting Professor, University of Texas at Austin

1973 (Sept-December) Visiting Professor, Universidad de Chile (Santiago)

Honors and Distinctions
Fellow, American Academy of Arts and Sciences, Elected 2011
Fellow, Connecticut Academy of Arts and Sciences, Elected 1992
Fellow, Connecticut Academy of Sciences and Engineering, Elected 2012
Fellow, California Academy of Sciences, Elected 1986
Fellow, American Association for the Advancement of Science, Elected 1986
Fellow, Ecological Society of America, Elected 2012

President’s Award, American Society of Naturalists (for the best paper published in The American Naturalist in 2000), 2001

Distinguished Service Citation, Ecological Society of America, 1999
Distinguished Research Professor (UConn), 2014–Present
Distinguished Professor Emeritus (UConn), 2014–Present
Board of Trustees Distinguished Professor (UConn), 2001–2014
Alumni Association Faculty Research Award (UConn), 2000
Chancellor’s Information Technology Award (U. Conn.), 1998
ComputerWorld/Smithsonian Information Technology Awards, Finalist, 1993

Opening Keynote Speaker, Species On The Move, Taiwan, 2026
Huck Distinguished Lecturer in the Life Sciences, Pennsylvania State University, 2014
Invited Reviewer, 5^th Assessment Report of the IPCC, Working Group II
Keynote Speaker, INTECOL, London, UK 2013
Invited Speaker, Sun Yat-Sen University, Guangzhou, China, 2011
Invited Speaker, Institute of Zoology, Chinese Academy of Sciences, Beijing, China, 2011
Keynote Speaker, International Biogeography Society, Heraklion, Crete, Greece, 2011
Invited Speaker, Royal Society, London, UK, October 2010
Keynote Speaker, Instituto de Ecología A.C. (INECOL) Student Colloquium, Xalapa, Mexico, 2010
Keynote Speaker, International Biogeography Society, Mérida, Mexico, 2009
Invited Speaker, National Academy of Science Sackler Colloquium, Irvine, CA, 2008
Keynote Speaker, Zoological Society of London, UK, 2004
Invited Participant, First Okazaki Conference on Extinction, Okazaki, Japan, 2004
Keynote Speaker, Sociedad de Biología de Chile, Puyehue, Chile, 2003
Invited Speaker, International Congress of Acarology, Mérida, Mexico, 2002
Distinguished Lecturer, Universidad Nacional Autónoma de Mexico, 1997
Helen P. Mangelsdorf Distinguished Lecturer, University of North Carolina, 1990
Distinguished Visitor in Ecology, Arizona State University, 1989
GTE Foundation Lecturer, University of Florida, 1987
Distinguished Ecologist, Reed College, 1986
Distinguished Lecturer in Ecology, Michigan State University, 1981

Publication awards: ISI Citation Classic 1982 and Ecological Society of America Centennial Special: Notable Papers: Ecology(Colwell and Futuyma 1971); President’s Award, American Society of Naturalists (Colwell 2000); ESI Hot New Paper in Environment and Ecology, January 2002 (Colwell and Lees 2000); National Museum of Natural History Science Achievement Award, 2007 (Rahbek, Gotelli, Colwell, Entsminger, Rangel, and Graves); ScienceWatch, 20 Most-Cited Papers in Environment & Ecology, 1998-2008, October 2008 (Gotelli and Colwell 2001, the most cited paper in the history of Ecology Letters, as of 2011); the most cited paper in the history of Journal of Plant Ecology, as of 2019: Colwell et al. 2012.

As of July 2026: Total citations > 94,000, h-Index 90, i-10 index 167, Google Scholar

Clarivate (Web of Science) Highly Cited Researcher, 2018 (Cross-Field category);
2025 (Environment and Ecology)

Participant in six NCEAS (National Center for Ecological Analysis and Synthesis) and NESCent (National Evolutionary Synthesis Center) Workshops, Co-Organizer of one; participant in a Kavli Workshop (Royal Society), October 2010

Invited lectures at universities and professional society meetings throughout the US, as well as in Canada, Mexico, Costa Rica, Panama, Colombia, Ecuador, Brazil, Chile, UK, Denmark, Sweden, Finland, Germany, Netherlands, Portugal, Spain, Switzerland, France, Italy, Tanzania, South Africa, Madagascar, Israel, Japan, Taiwan, China, Singapore, Indonesia, and Australia

Research featured: New York Times
Colwell, R. K., et al. 2026. Constructing a lower-bound estimate of the global number of insect species on a hyperdiverse empirical foundation. Proceedings of the National Academy of Sciences 123:e2524283123. As of October, 2026, featured in 97 news outlets, shared by more than 180 accounts on social media, viewed more than 12,000 times. Its Altmetric score of 835 places it in the 99th percentile for papers of its age.

NPR Science Friday (October 10, 2008): Interview with Ira Flatow on Colwell's paper, “Global warming, elevational range shifts, and lowland biotic attrition in the wet tropics.” Science 322:258-261.

New York Times, “Science Times,” May 2, 1995: “Hummingbirds Bear Mixed Gift to Flowers in Tropical Forest.” Half-page lead article by Carol Yoon, illustrated with original drawings by Michael Rothman and Colwell's photographs.

Professional Service Highlights
President, American Society of Naturalists, 1998
Vice-President, Ecological Society of America, 1994-1995
Chair, MacArthur Award Committee, Ecological Society of America, 2002-2006
Chair, Publications Committee, Ecological Society of America, 1995-1999
Chair, Ecological Society of America, Special Committee on ESA
Communications in the Electronic Age, 1994-1995
Faculty of 1000, 2006-2016 (resigned)
U. S. National Science Foundation, Ecology Review Panels, 2008 and 2012
Scientific Advisory Committee, State of São Paulo, BIOTA/FAPESP, 1998-2008
Advisory Committee, Parataxonomist Training Center, Madang, Papua New
Guinea, 1999-2010

Senior Consultant, Key Centre for Biodiversity and Bioresources, Macquarie University, Australia, 1999-2010

Organization for Tropical Studies: Board of Directors, 1987-1989; La Selva Advisory Committee, 1986-1991; Research Committee, 1988-1996; 1998-2008; Informatics and Data Management Committee, 2002-2013; Assembly of Delegates, 1999-2013

Keystone National Biotechnology Forum, Keystone, Colorado, 1986-1991

US-Environmental Protection Agency, Biotechnology Science Advisory Committee, 1986-1989

U.S. National Committee of International Union of Biological Scientists (Appointed by the National Academy of Sciences), 1985-1991

Editorial Service

Editor-in-Chief for Reviews and Syntheses, Ecography, 2014-present
Review and Synthesis Editor, Ecography, 2006-2013
Board of Reviewing Editors, Science, 2002-2005
Associate Editor, Encyclopedia of Biodiversity, 1999-2012
Editor, Evolutionary Ecology Research, 1998-2020
Editor, Evolutionary Ecology, 1986-1998
Associate Editor, Biotropica, 1993-1996
Associate Editor, The American Naturalist, 1980-1985; 1990-1994
Editorial Board, Evolutionary Theory, 1973-1990

Teaching

Research teaching

Research advisor (major professor) for 27 completed Ph.Ds. (19 at U. C. Berkeley, 7 at UConn, 1 at U. Federal de Goiás, Brazil) and 4 completed Masters (2 at Berkeley, 2 at UConn).

Former students hold (or have retired from) positions at (alphabetically within categories): California State U.–Los Angeles, Columbia U., Harvard U., North Carolina State U., Occidental College, U. California Berkeley, Organization for Tropical Studies, U. California Irvine, U. California Santa Cruz, U. Católica (Chile), U. Hawaii, U. Maine, U. Missouri-St., Louis, U. Puerto Rico, U. Washington, U.S. Air Force Academy, American Museum of Natural History, Conservation International, NASA, USDA, US-EPA, CSIRO (Australia), Universidade Federal de Goiás (Brasil), and the United Nations (UNDP)

Classroom teaching

Until retirement from teaching in 2013, at University of Connecticut: General Ecology (undergraduate level), Population and Community Ecology (graduate core course), Evolution and Ecology of Communities (graduate level), Biodiversity Graduate Seminar

Since 2013: Graduate Seminar in Biogeography (Universidade Federal de Goiás, Brazil); lectures in Cross‐disciplinary Palaeo‐Environmental Research Training (XPERT) Network Summer School, U. Amsterdam

Languages

Spanish (fluent reading, writing, and conversation), Portuguese (fluent reading, writing, and conversation), French (fluent reading, adequate in conversation)

Research Funding

Continuous research funding from NSF/NIH/CAPES from 1970 through 2015

Most recent research awards:

2006-2010, NSF DEB- "Integrating Ecological and Evolutionary Processes in Stochastic Biogeographical Models" (P.I. and Project Director, $207,566)

2009-2012, NSF DBI-0851290, "Extending Lifemapper to Enable Macroecological Research" (PI, $151,415). Collaborative Research with James Beach, University of Kansas.

2013-2015, CAPES (Brazilian Federal Agency for the Support and Evaluation of Graduate Education) “Science Without Borders” Fellowship, 3 years, for research collaboration and graduate education in Brazil ($20,000 per year)

Non-research award: NSF Graduate Research Training Program (1995-1999): $555,000 Lead P.I.

Research Interests
Species diversity, biogeography, and mechanisms of speciation
Stochastic models in biogeography
Evolutionary ecology, species interactions, and coevolution
Ecology, evolution, and behavior of hummingbird flower mites
Global change biology
Biodiversity statistics, inventories, and databases

Publications (peer-reviewed)

Edited Books

Levin, S., Ed., R. K. Colwell, G. Daily, L. J., H. A. Mooney, E. Schulze, and D. Tilman, Assoc. Eds. 2000. Encyclopedia of biodiversity. Academic Press, NY. (5 volumes, 4666 pp.) [Ed. for 25 articles on invertebrates.]

Levin, S., Ed., R. K. Colwell, G. Daily, S. Diaz, P. Kareiva, D. Karl, G. M. Mace, C. Perrings, D. Tilman, and M. G. Turner, Assoc. Eds. 2013. Encyclopedia of biodiversity, 2^nd Edition. Academic Press, NY. [Ed. for 10 new articles and 25 revised articles]

Monographs

Naskrecki, P., and R. K. Colwell. 1998. Systematics and host plant affiliations of hummingbird flower mites of the genera Tropicoseius Baker and Yunker and Rhinoseius Baker and Yunker (Acari: Mesostigmata: Ascidae). Thomas Say Publications in Entomology: Monographs. Entomological Society of America. 185 pp.

OConnor, B. M., R. K. Colwell, and S. Naeem. 1997. The flower mites of Trinidad III. The genus Rhinoseius (Acari: Ascidae). Miscellaneous Publication No. 184. University of Michigan Museum of Zoology. 32 pp.

Journal Publications
(Peer-reviewed. Reverse chronological order, alphabetical by author within years. Peer-reviewed book chapters follow in a separate section.)

Colwell, R. K., L. M. Guzman, D. Steinke, A. Chao, D. H. Janzen, W. Hallwachs, A. Baker, J. L. Fernández-Triana, P. D. Hebert, and F. Joyce. 2026. Reply to Fattorini and Borges: Conditional CIs and sensitivity analysis characterize uncertainty in global insect richness estimates. Proceedings of the National Academy of Sciences 123:e2631365123.

Colwell, R. K., L. M. Guzman, D. Steinke, A. Chao, D. H. Janzen, W. Hallwachs, A. Baker, J. L. Fernández-Triana, P. D. Hebert, F. Joyce, R. Puschendorf, D. L. J. Quicke, R. Rougerie, M. A. Smith, N. Zamora, and M. J. Sharkey. 2026. Constructing a lower-bound estimate of the global number of insect species on a hyperdiverse empirical foundation. Proceedings of the National Academy of Sciences 123:e2524283123.

Metz, T., N. Farwig, C. F. Dormann, H. M. Schaefer, J. E. Guevara Andino, G. Brehm, S. Burneo, A. Chao, R. L. Chazdon, R. K. Colwell, et al. 2026. Biodiversity resilience in a tropical rainforest. Nature 652:1232–1239.

Chao, A., R. K. Colwell, J. Shia, S. Thorn, M.-Y. Yang, O. Mitesser, Y.-T. Huang, M. Kortmann, A. S. Mori, and B. M. Delory. 2026. A continuum of information-based temporal stability measures and their decomposition across hierarchical levels. Ecological Monographs: In Press.

Coelho, M. T. P., H. J. Haynie, C. Bowern, R. K. Colwell, S. J. Greenhill, K. R. Kirby, T. Rangel, and M. C. Gavin. 2026. Demographic shifts, inter-group contact and environmental conditions drive language extinction and diversification. Proceedings of the Royal Society B: Biological Sciences 293. In press.

Colwell, R. K. 2026. Comment on García‐Robledo and Alvarado,“Integration of an Invasive Plant in Hummingbird and Flower Mite Networks…” (Biotropica 57: e70050). Biotropica 58:e70140.

Araujo, M., M. Coelho, N. Gotelli, R. Colwell, T. Rangel, and C. Dambros. 2025. In situ speciation of dispersal‐limited taxa leads to strong phylogenetic community clustering. Journal of Biogeography 52:e70005.

Menegotto, A., D. P. Tittensor, R. K. Colwell, and T. F. Rangel. 2025. Sampling simulation in a virtual ocean reveals strong sampling effect in marine diversity patterns. Global Ecology and Biogeography 34:e13952.

Sonne, J., M. K. Borregaard, R. K. Colwell, and C. Rahbek. 2025. Geographic range shapes influence species richness in global hotspots. Science Advances 11:eaea0138.

Colwell, R. K., and K. J. Feeley. 2024. Still little evidence of poleward range shifts in the tropics, but lowland biotic attrition may be underway. Biotropica 57:e13358.

Cassemiro, F. A., J. S. Albert, A. Antonelli, A. Menegotto, R. O. Wüest, F. Cerezer, M. T. P. Coelho, R. E. Reis, M. Tan, V. Tagliacollo, D. Bially, V. F. B. da Silva, A. Frota, W. J. da Graça, R. Ré, T. Ramos, A. G. Oliveira, M. S. Dias, R. K. Colwell, T. F. Rangel, and C. H. Graham. 2023. Landscape dynamics and diversification of the megadiverse South American freshwater fish fauna. Proceedings of the National Academy of Sciences 120:e2211974120.

Chazdon, R. L., N. Norden, R. K. Colwell, and A. Chao. 2023. Monitoring recovery of tree diversity during tropical forest restoration: lessons from long-term trajectories of natural regeneration. Philosophical Transactions of the Royal Society B378:20210069.

Chao, A., S. Thorn, C. H. Chiu, F. Moyes, K. H. Hu, R. L. Chazdon, J. Wu, L. F. S. Magnago, M. Dornelas, D. Zelený, R. K. Colwell, and A. E. Magurran. 2023. Rarefaction and extrapolation with beta diversity under a framework of Hill numbers: The iNEXT. beta3D standardization. Ecological Monographs 93:e1588.

Colwell, R. K. 2023. Discordant upslope range shifts shuffle parasitoid-host species interactions. Proceedings of the National Academy of Sciences 120:e2318022120.

Colwell, R. K., T. F. Rangel, K. Fučiková, D. Sustaita, G. M. Yanega, and A. Rico-Guevara. 2023. Repeated evolution of unorthodox feeding styles drives a negative correlation between foot size and bill length in hummingbirds. The American Naturalist 202:699-720.

Pilowsky, J. A., R. K. Colwell, C. Rahbek, and D. A. Fordham. 2022. Process-explicit models reveal the structure and dynamics of biodiversity patterns. Science Advances 8:eabj2271.

Colwell, R. K. 2021. Spatial scale and the synchrony of ecological disruption. Nature 599:E8-E10.

Kik, A., M. Adamec, A. Y. Aikhenvald, J. Bajzekova, N. Baro, C. Bowern, R. K. Colwell, P. Drozd, P. Duda, and S. Ibalim. 2021. Language and ethnobiological skills decline precipitously in Papua New Guinea, the world’s most linguistically diverse nation. Proceedings of the National Academy of Sciences 118:e2100096118.

Chao, A., Y. Kubota, D. Zelený, C. H. Chiu, C. F. Li, B. Kusumoto, M. Yasuhara, S. Thorn, C. L. Wei, M. J. Costello, and R. K. Colwell. 2020. Quantifying sample completeness and comparing diversities among assemblages. Ecological Research 35:292-314.

Longino, J. T., and R. K. Colwell. 2020. The arboreal ants of a Neotropical rain forest show high species density and comprise one third of the ant fauna. Biotropica 52:675-685.

Brehm, G., D. Zeuss, and R. K. Colwell. 2019. Moth body size increases with elevation along a complete tropical elevational gradient for two hyperdiverse clades. Ecography 42:632-642.

Chao, A., R. K. Colwell, N. J. Gotelli, and S. Thorn. 2019. Proportional mixture of two rarefaction/extrapolation curves to forecast biodiversity changes under landscape transformation. Ecology Letters 22:1913-1922.

Pacheco Coelho, M. T., E. B. Pereira, H. J. Haynie, T. F. Rangel, P. Kavanagh, K. R. Kirby, S. J. Greenhill, C. Bowern, R. D. Gray, and R. K. Colwell. 2019. Drivers of geographical patterns of North American language diversity. Proceedings of the Royal Society B 286:20190242.

Sonne, J., T. B. Zanata, A. M. Martín González, N. L. Cumbicus Torres, J. Fjeldså, R. K. Colwell, B. A. Tinoco, C. Rahbek, and B. Dalsgaard. 2019. The distributions of morphologically specialized hummingbirds coincide with floral trait matching across an Andean elevational gradient. Biotropica 51:205-218.

Chan, W. P., I. C. Chen, R. K. Colwell, W. C. Liu, C. y. Huang, and S. F. Shen. 2018. Response to Qian et al.(2017): Daily and seasonal climate variations are both critical in the evolution of species’ elevational range size. Journal of Biogeography 45:2832-2836.

Connolly, S. R., S. A. Keith, R. K. Colwell, and C. Rahbek. 2018. Mechanism, process, and causation in ecological models: A reply to McGill and Potochnik. Trends in Ecology & Evolution 33:305-306.

Rangel, T. F., N. R. Edwards, P. B. Holden, J. A. F. Diniz-Filho, W. D. Gosling, M. T. P. Coelho, F. A. S. Cassemiro, C. Rahbek, and R. K. Colwell. 2018. Modeling the ecology and evolution of biodiversity: Biogeographical cradles, museums, and graves. Science361:eaar5452.

Beck, J., C. M. McCain, J. C. Axmacher, L. A. Ashton, F. Bärtschi, G. Brehm, S. W. Choi, O. Cizek, R. K. Colwell, K. Fiedler, C. L. Francois, S. Highland, J. D. Holloway, J. Intachat, T. Kadlec, R. L. Kitching, S. C. Maunsell, T. Merckx, A. Nakamura, E. Odell, W. Sang, P. S. Toko, J. Zamecnik, Y. Zou, and V. Novotny. 2017. Elevational species richness gradients in a hyperdiverse insect taxon: a global meta‐study on geometrid moths. Global Ecology and Biogeography 26:412-424.

Bonebrake, T. C., C. J. Brown, J. D. Bell, J. L. Blanchard, A. Chauvenet, C. Champion, I.-C. Chen, T. D. Clark, R. K. Colwell, and F. Danielsen. 2017. Managing consequences of climate-driven species redistribution requires integration of ecology, conservation and social science. Biological Reviews 93:284-305.

Buchanan, B., A. Chao, C.-H. Chiu, R. K. Colwell, M. J. O’Brien, A. Werner, and M. I. Eren. 2017. Environment-induced changes in selective constraints on social learning during the peopling of the Americas. Scientific Reports 7:44431.

Chao, A., C. H. Chiu, R. K. Colwell, L. F. S. Magnago, R. L. Chazdon, and N. J. Gotelli. 2017. Deciphering the enigma of undetected species, phylogenetic, and functional diversity based on Good‐Turing theory. Ecology 98:2914-2929.

Chao, A., and R. K. Colwell. 2017. Thirty years of progeny from Chao’s inequality: Estimating and comparing richness with incidence data and incomplete sampling. Statistics and Operations Research Transactions (SORT) 41:1–52.

Chao, A., R. K. Colwell, C. H. Chiu, and D. Townsend. 2017. Seen once or more than once: applying Good–Turing theory to estimate species richness using only unique observations and a species list. Methods in Ecology and Evolution 8:1221-1232.

Connolly, S. R., S. A. Keith, R. K. Colwell, and C. Rahbek. 2017. Process, mechanism, and modeling in macroecology. Trends in Ecology and Evolution 32:835-844.

Gavin, M. C., T. F. Rangel, C. Bowern, R. K. Colwell, K. R. Kirby, C. A. Botero, M. Dunn, R. R. Dunn, J. McCarter, M. T. Pacheco Coelho, and R. D. Gray. 2017. Process‐based modelling shows how climate and demography shape language diversity. Global Ecology and Biogeography 26:584-591.

Pecl, G. T., M. B. Araújo, J. D. Bell, J. Blanchard, T. C. Bonebrake, I.-C. Chen, T. D. Clark, R. K. Colwell, F. Danielsen, B. Evengård, et al. 2017. Biodiversity redistribution under climate change: Impacts on ecosystems and human well-being. Science355:eaai9214.

Wu, Y., S. G. DuBay, R. K. Colwell, J. Ran, and F. Lei. 2017. Mobile hotspots and refugia of avian diversity in the mountains of south‐west China under past and contemporary global climate change. Journal of Biogeography 44:615-626.

Brehm, G., P. D. Hebert, R. K. Colwell, M.-O. Adams, F. Bodner, K. Friedemann, L. Möckel, and K. Fiedler. 2016. Turning up the heat on a hotspot: DNA barcodes reveal 80% more species of geometrid moths along an Andean elevational gradient. PLoS One11:e0150327.

Chan, W.-P., I.-C. Chen, R. K. Colwell, W.-C. Liu, C.-y. Huang, and S.-F. Shen. 2016. Seasonal and daily climate variation have opposite effects on species elevational range size. Science 351:1437-1439.

Colwell, R. K., N. J. Gotelli, L. A. Ashton, J. Beck, G. Brehm, T. M. Fayle, K. Fiedler, M. L. Forister, M. Kessler, R. L. Kitching, P. Klimes, J. Kluge, J. T. Longino, S. C. Maunsell, C. McCain, J. Moses, S. Noben, K. Sam, L. Sam, A. M. Shapiro, X. Wang, and V. Novotny. 2016. Midpoint attractors and species richness: Modeling the interaction between environmental drivers and geometric constraints. Ecology Letters 19:1009–1022.

Cayuela, L., R. K. Colwell, and N. J. Gotelli. 2015. Ecological and biogeographic null hypotheses for comparing rarefaction curves. Ecological Monographs 85:437-455.

Chao, A., T. C. Hsieh, R. L. Chazdon, R. K. Colwell, and N. J. Gotelli. 2015. Unveiling the species-rank abundance distribution by generalizing the Good-Turing sample coverage theory. Ecology 96:1189–1201.

Eren, M. I., A. Chao, C. Chiu, R. K. Colwell, B. Buchanan, M. T. Boulanger, J. Darwent, and M. J. O’Brien. 2015. Statistical analysis of paradigmatic class richness supports greater Paleoindian projectile-point diversity in the Southeast. American Antiquity 81:174-192.

Rangel, T. F., R. K. Colwell, G. R. Graves, K. Fučíková, C. Rahbek, and J. A. F. Diniz‐Filho. 2015. Phylogenetic uncertainty revisited: Implications for ecological analyses. Evolution 69:1301-1312.

Slik, J. F.,…, R. K. Colwell, and 147 additional authors. 2015. An estimate of the number of tropical tree species. Proceedings of the National Academy of Sciences 112:7472-7477.

Bates, A. E., G. T. Pecl, S. Frusher, A. J. Hobday, T. Wernberg, D. A. Smale, J. M. Sunday, N. A. Hill, N. K. Dulvy, and R. K. Colwell. 2014. Defining and observing stages of climate-mediated range shifts in marine systems. Global Environmental Change26:27-38.

Chao, A., N. J. Gotelli, T. C. Hsieh, E. L. Sander, K. H. Ma, R. K. Colwell, and A. M. Ellison. 2014. Rarefaction and extrapolation with Hill numbers: a framework for sampling and estimation in species diversity studies. Ecological Monographs 84:45–67.

Colwell, R. K. and J. E. Elsensohn. 2014. EstimateS turns 20: statistical estimation of species richness and shared species from samples, with non-parametric extrapolation. Ecography 37:609-613.

Longino, J. T., M. G. Branstetter, and R. K. Colwell. 2014. How ants drop out: ant abundance on tropical mountains. PLoS One9:e104030.

Sunday, J. M., A. E. Bates, M. R. Kearney, R. K. Colwell, N. K. Dulvy, J. T. Longino, and R. B. Huey. 2014. Thermal-safety margins and the necessity of thermoregulatory behavior across latitude and elevation. Proceedings of the National Academy of Sciences111:5610-5615.

Wu, Y., R. K. Colwell, N. Han, R. Zhang, W. Wang, Q. Quan, C. Zhang, G. Song, Y. Qu, and F. Lei. 2014. Understanding historical and current patterns of species richness of babblers along a 5000-m subtropical elevational gradient. Global Ecology and Biogeography 23:1167-1176.

Dornelas, M., A. E. Magurran, S. T. Buckland, A. Chao, R. L. Chazdon, R. K. Colwell, T. Curtis, K. J. Gaston, N. J. Gotelli, and M. A. Kosnik. 2013. Quantifying temporal change in biodiversity: challenges and opportunities. Proceedings of the Royal Society B: Biological Sciences 280 (1750): 20121931.

Gavin, M. C., C. A. Botero, C. Bowern, R. K. Colwell, M. Dunn, R. R. Dunn, R. Gray, K. R. Kirby, J. McCarter, A. Powell, T. F. Rangel, J. R. Stepp, M. Trautwein, J. L. Verdolin, and G. Yanega. 2013. Towards a mechanistic understanding of linguistic diversity. Bioscience 63:524-535.

Wu, Y., R. K. Colwell, C. Rahbek, C. Zhang, Q. Quan, C. Wang, and F. Lei. 2013. Explaining the species richness of birds along a subtropical elevational gradient in the Hengduan Mountains. Journal of Biogeography 40:2310-2323.

Colwell, R. K., R. R. Dunn, and N. C. Harris. 2012. Coextinction and persistence of dependent species in a changing world. Annual Review of Ecology, Evolution and Systematics 43:183-203.

Eren, M. I., A. Chao, W. H. Hwang, and R. K. Colwell. 2012. Estimating the richness of a population when the maximum number of classes is fixed: a nonparametric solution to an archaeological problem. PLoS One 7(5):e34179-e34179.

Colwell, R. K., A. Chao, N. J. Gotelli, S.-Y. Lin, C. X. Mao, R. L. Chazdon, and J. T. Longino. 2012. Models and estimators linking individual-based and sample-based rarefaction, extrapolation, and comparison of assemblages. Journal of Plant Ecology 5:3–21.

Gotelli, N. J., A. Chao, R. K. Colwell, W. H. Hwang, and G. R. Graves. 2012. Specimen-based modeling, stopping rules, and the extinction of the Ivory-billed Woodpecker. Conservation Biology 26:47-56.

Chazdon, R. L., A. Chao, R. K. Colwell, S.-Y. Lin, N. Norden, S. G. Letcher, D. B. Clark, B. Finegan, and J. P. Arroyo. 2011. A novel statistical method for classifying habitat generalists and specialists. Ecology 92:1332–1343.

McCain, C. and R. K. Colwell. 2011. Assessing the threat to montane biodiversity from discordant shifts in temperature and precipitation in a changing climate. Ecology Letters 14:1236-1245.

Rahbek, C. and R. K. Colwell. 2011. News and Views: Species loss revisited. Nature 473:288-289.

Longino, J. T. and R. K. Colwell. 2011. Density compensation, species composition, and richness of ants on a neotropical elevational gradient. Ecosphere 2(3):art29. doi:10.1890/ES10-00200.1

Colwell, R. K. and T. F. Rangel. 2010. A stochastic, evolutionary model for range shifts and richness on tropical elevational gradients under Quaternary glacial cycles. Philosophical Transactions of the Royal Society B. 365: 3695–3707.

Chao, A., R. K. Colwell, C.-W. Lin, and N. Gotelli. 2009. Sufficient sampling for asymptotic minimum species richness estimators. Ecology 90:1125–1133.

Colwell, R. K., N. J. Gotelli, C. Rahbek, G. L. Entsminger, C. Farrell, and G. R. Graves. 2009. Peaks, plateaus, canyons, and craters: The complex geometry of simple mid-domain effect models. Evolutionary Ecology Research 11:355-370.

Colwell, R. K. and T. F. Rangel. 2009. Hutchinson's duality: the once and future niche. PNAS 106: 19651-19658.

Dunn, R. R., N. C. Harris, R. K. Colwell, L. P. Koh, and N. S. Sodhi. 2009. The sixth mass coextinction: are most endangered species parasites and mutualists? Proceedings of the Royal Society B: Biological Sciences 276:3037-3045.

Gotelli, N., M. J. Anderson, H. T. Arita, A. Chao, R. K. Colwell, S. R. Connolly, D. J. Currie, R. R. Dunn, G. R. Graves, J. L. Green, J. A. Grytnes, Y.-H. Jiang, W. Jetz, S. K. Lyons, C. M. McCain, A. E. Magurran, C. Rahbek, T. F. L. V. B. Rangel, J. Soberón, C. O. Webb, and M. R. Willig. 2009. Patterns and causes of species richness: a general simulation model for macroecology. Ecology Letters 12:873-886

Kumar, A., J. T. Longino, R. K. Colwell, and S. O'Donnell. 2009. Elevational patterns of diversity and abundance of eusocial paper wasps (Vespidae) in Costa Rica. Biotropica 41:338-346.

Stork, N. E., J. A. Coddington, R. K. Colwell, R. L. Chazdon, C. W. Dick, C. A. Peres, S. Sloan, and K. Willis. 2009. Vulnerability and resilience of tropical forest species to land-use change. Conservation Biology 23:1438-1447.

Carranza, A., R. K. Colwell, and T. F. L. V. B. Rangel. 2008. Distribution of megabenthic gastropods along environmental gradients: the mid-domain effect and beyond. Marine Ecology Progress Series 367:193-202.

Colwell, R. K. 2008. RangeModel: Tools for exploring and assessing geometric constraints on species richness (the mid-domain effect) along transects. Ecography 31:4-7.

Colwell, R. K., G. Brehm, C. Cardelús, A. C. Gilman, and J. T. Longino. 2008. Global warming, elevational range shifts, and lowland biotic attrition in the wet tropics. Science 322:258-261.

Sodhi, N. S., L. P. Koh, K. S.-H. Peh, H. T. W. Tan, R. L. Chazdon, R. T. Corlett, T. Lee, M., R. K. Colwell, B. W. Brook, C. H. Sekercioglu, and C. J. A. Bradshaw. 2008. Correlates of extinction proneness in tropical angiosperms. Diversity and Distributions14:1-10.

Brehm, G., R. K. Colwell, and J. Kluge. 2007. The role of environment and mid-domain effect on moth species richness along a tropical elevational gradient. Global Ecology & Biogeography 16:205-219.

Horner-Devine, M. C., J. M. Silver, L. M. A, B. J. M. Bohannan, R. K. Colwell, J. A. Fuhrman, J. L. Green, C. R. Kuske, J. B. H. Martiny, L. Øvreås, A.-L. Reysenbach, and G. Muyzer. 2007. A comparison of taxon co-occurrence patterns for macro- and microorganisms. Ecology 88: 1345-1353.

Lees, D. C., and R. K. Colwell. 2007. A strong Madagascan rainforest MDE and no equatorward increase in species richness: Re-analysis of "The missing Madagascan mid-domain effect," by Kerr J.T., Perring M. & Currie D.J (Ecology Letters 9:149-159, 2006). Ecology Letters 10:E4-E8.

Rahbek, C., N. Gotelli, R. K. Colwell, G. L. Entsminger, T. F. L. V. B. Rangel, and G. R. Graves. 2007. Predicting continental-scale patterns of bird species richness with spatially explicit models. Proceedings of the Royal Society of London Series B 274:165-174.

Rangel, T. F. L. V. B., J. A. F. Diniz-Filho, and R. K. Colwell. 2007. Species richness and evolutionary niche dynamics: a spatial pattern-oriented simulation experiment. American Naturalist. 170: 602-616.

Cardelús, C., R. K. Colwell, and J. E. Watkins, Jr. 2006. Vascular epiphyte distribution patterns: explaining the mid-elevation richness peak. J. Ecology 94:144-156.

Chao, A., R. L. Chazdon, R. K. Colwell, and T.-J. Shen. 2006. Abundance-based similarity indices and their estimation when there are unseen species in samples. Biometrics 62:361-371.

Dunn, R. R., R. K. Colwell, and C. Nilsson. 2006. The river domain: why are there more species halfway up the river? Ecography29:251-259.

Martiny, J., B. Bohannan, J. Brown, R. Colwell, J. Fuhrman, J. Green, M. Horner-Devine, M. Kane, J. Krumins, and C. Kuske. 2006. Microbial biogeography: putting microorganisms on the map. Nature Reviews: Microbiology 4:102-112.

Watkins, J. E., Jr., C. Cardelús, R. C. Moran, and R. K. Colwell. 2006. Diversity and distribution of ferns along an elevational gradient in Costa Rica. American Journal of Botany 93:73-83.

Bunker, D. E., F. DeClerck, J. C. Bradford, R. K. Colwell, I. Perfecto, O. L. Phillips, M. Sankaran, and S. Naeem. 2005 (20 October). Species loss and aboveground carbon storage in a tropical forest. Science 310:1029–1031.

Chao, A., R. L. Chazdon, R. K. Colwell, and T.-J. Shen. 2005. A new statistical approach for assessing compositional similarity based on incidence and abundance data. Ecology Letters 8:148-159.

Colwell, R. K., C. Rahbek, and N. Gotelli. 2005. The mid-domain effect: there's a baby in the bathwater. American Naturalist 166:E149–E154.

Mao, C. X., and R. K. Colwell. 2005. Estimation of species richness: mixture models, the role of rare species, and inferential challenges. Ecology 86:1143-1153.

Mao, C. X., R. K. Colwell, and J. Chang. 2005. Estimating species accumulation curves using mixtures. Biometrics 61:433–441.

Romdal, T. S., R. K. Colwell, and C. Rahbek. 2005. The influence of band sum area, domain extent and range sizes on the latitudinal mid-domain effect. Ecology 86:235-244.

Colwell, R. K., C. X. Mao, and J. Chang. 2004. Interpolating, extrapolating, and comparing incidence-based species accumulation curves. Ecology 85:2717-2727.

Colwell, R. K., C. Rahbek, N. J. Gotelli. 2004. The mid-domain effect and species richness patterns: What have we learned so far? American Naturalist 163:E1-E23.

Jetz, W., C. Rahbek, and R. K. Colwell. 2004. The coincidence of rarity and richness and the potential signature of history in centres of endemism. Ecology Letters 7:1180-1191.

Koh, L. P., R. R. Dunn, N. S. Sodhi, R. K. Colwell, H. C. Proctor, and V. S. Smith. 2004. Species coextinctions and the biodiversity crisis. Science 305:1632-1634.

Longino, J., J. A. Coddington, and R. K. Colwell. 2002. The ant fauna of a tropical rainforest: estimating species richness three different ways. Ecology 83:689–702.

Gotelli, N., and R. K. Colwell. 2001. Quantifying biodiversity: Procedures and pitfalls in the measurement and comparison of species richness. Ecology Letters 4:379–391.

Colwell, R, K. 2000. A barrier runs through it...or maybe just a river (Commentary). PNAS 97:13470-13472.

Colwell, R. K. 2000. Rensch's Rule crosses the line: Convergent allometry of sexual size dimorphism in hummingbirds and flower mites. American Naturalist. 156:495-510.

Oliver, I., A. Pik, D. Britton, J. M. Dangerfield, R. K. Colwell, and A. J. Beattie. 2000. Virtual biodiversity assessment systems: the application of bioinformatics technologies to the accelerated accumulation of biodiversity information. BioScience 50:441-450.

Colwell, R. K., and D. C. Lees. 2000. The mid-domain effect: geometric constraints on the geography of species richness. Trends in Ecology and Evolution 15:70-76.

Chazdon, R. L., R. K. Colwell, and J. S. Denslow. 1999. Tropical tree richness and resource-based niches. Science 285:1459

Colwell, R. K., and S. Naeem. 1999. Sexual sorting in hummingbird flower mites. Annals of Entomological Society of America92:652-659.

Longino, J. T. and R. K. Colwell. 1997. Biodiversity assessment using structured inventory: Capturing the ant fauna of a lowland tropical rainforest. Ecological Applications 7: 1263-1277.

Colwell, R. K. 1995. Effects of nectar consumption by the hummingbird flower mite Proctolaelaps kirmsei on nectar availability inHamelia patens. Biotropica 27: 206-217.

Naskrecki, P., and R. K. Colwell. 1995. A new genus and two new species of Melicharini from Venezuela (Acari: Mesostigmata: Ascidae). Annals of the Entomological Society of America 88: 284-293.

Ochoa, R., P. Naskrecki, and R. K. Colwell. 1995. Excelsotarsonemus kaliszewskii, a new genus and new species from Costa Rica (Acari: Tarsonemidae). Internat. Journal of Acarology 21:67-74.

Colwell, R. K., and J. A. Coddington. 1994. Estimating terrestrial biodiversity through extrapolation. Philosophical Transactions of the Royal Society (Series B) 345:101-118. [Reprinted in D. L. Hawksworth, ed. Biodiversity: Measurement and estimation. Chapman and Hall, London.]

Colwell, R. K., and G. C. Hurtt. 1994. Nonbiological gradients in species richness and a spurious Rapoport effect. American Naturalist 144: 570-595.

Kremen, C., R. K. Colwell, T. L. Erwin, and D. D. Murphy. 1993. Arthropod assemblages: their use as indicators in conservation planning. Conservation Biology 7: 796-808.

Colwell, R. K. 1992. Making sense of ecological complexity: A personal and conceptual retrospective. Biotropica 24: 226-232.

Christiansen, K. M., R. K. Colwell, and M. J. Kaliszewski. 1992. Cellulose acetate electrophoretic techniques for the genetic analysis of individual ascid mites (Ascidae: Mesostigmata). International Journal of Acarology 18: 97-105.

Kaliszewski, M. J., I. Chojnacki, J. Tobolewski, S. Seyoum, M. M. Kaliszewska, D. Stanton, and R. K. Colwell. 1992. Polymerase chain reaction and sequencing of mite DNA. International Journal of Acarology 18: 231-239.

Tobolewski, J., M. J. Kaliszewski, R. K. Colwell, and J. H. Oliver. 1992. Detection and identification of mammalian DNA from the gut of museum specimens of ticks. Journal of Medical Entomology 29: 1049-1051.

OConnor, B. M., R. K. Colwell, and S. Naeem. 1991. Flower mites of Trinidad II. The genus Proctolaelaps (Acari: Ascidae). Great Basin Naturalist 51: 348-376.

Losos, J., S. Naeem, and Colwell, R. K. 1989. Hutchinsonian ratios and statistical power. Evolution 43: 1820-1826.

Colwell, R. K. 1989. Hummingbirds of the Juan Fernandez Islands: natural history, evolution and population status. Ibis 131: 548-566.

Tiedje, J. M., R. K. Colwell, Y. L. Grossman, R. E. Hodson, R. E. Lenski, R. N. Mack, and P. J. Regal. 1989. The planned introduction of genetically engineered organisms: ecological considerations and recommendations. Ecology 70: 298-315.

Colwell, R. K. 1985. The evolution of ecology. American Zoologist 25: 771-777.

Harvey, P. H., R. K. Colwell, J. W. Silvertown, and R. M. May. 1983. Null models in ecology. Annual Review of Ecology and Systematics 14: 189-211.

Colwell, R. K. 1982. Female-biased sex ratios. Reply to Charlesworth and Toro, Wildish, and Borgia. Nature 298: 494-496.

Colwell, R. K. 1981. Group selection is implicated in the evolution of female biased sex ratios. Nature 290: 401-404.

Wilson, D. S., and R. K. Colwell. 1981. Evolution of sex ratio in structured demes. Evolution 35: 882-897.

Colwell, R. K. and S. Naeem. 1979. The first known species of hummingbird flower mite north of Mexico: Rhinoseius epoecus n. sp. (Mesostigmata: Ascidae). Annals of the Entomological Society of America 72: 485-491.

Feinsinger, P., R. K. Colwell, J. Terborgh, and S. B. Chaplin. 1979. Elevation and the morphology, flight energetics, and foraging ecology of tropical hummingbirds. American Naturalist 113: 481-497.

Feinsinger, P., and R. K. Colwell. 1978. Community organization among neotropical nectar-feeding birds. American Zoologist 18: 779-795.

Inger, R. F., and R. K. Colwell. 1977. Organization of contiguous communities of amphibians and reptiles in Thailand. Ecological Monographs 47: 229-253.

Colwell, R. K., and E. R. Fuentes. 1975. Experimental studies of the niche. Annual Review of Ecology and Systematics 6: 281-310.

Colwell, R. K. 1974. Predictability, constancy, and contingency of periodic phenomena. Ecology 55: 1148-1153.

Colwell, R. K., B. J. Betts, P. Bunnell, F. L. Carpenter, and P. Feinsinger. 1974. Competition for the nectar of Centropogon valerii by the hummingbird Colibri thalassinus and the flower-piercer Diglossa plumbea, and its evolutionary implications. Condor 76: 447-452.

Colwell, R. K. 1973. Competition and coexistence in a simple tropical community. American Naturalist 107: 737-760.

Colwell, R. K., and D. J. Futuyma. 1971. On the measurement of niche breadth and overlap. Ecology 52: 567-576. [An ISI Citation Classic. Reprinted, pp. 259-268 in Whittaker, R. H. and S. A. Levin (ed.). Niche: theory and application. Dowden, Hutchinson, and Ross, Stroudsburg, PA.]

Hairston, N.G., J. D. Allen, R. K. Colwell, D. J. Futuyma, J. Howell, M. D. Lubin, J. Mathias and J. H. Vandermeer. 1968. The relationship between species diversity and stability: An experimental approach with Protozoa and bacteria. Ecology 49: 1091-1101.

Redding, R., B. Prynn, and R. Colwell. 1964. The phenomenon of alternate sleep and wakefulness in the young dog. Journal of the American Veterinary Medical Association 144:605.

Colwell, R. K. 1963. A new type of electronic cable for chronic implantation in living tissue. Journal of Applied Physiology18:1039-1040.

Book Chapters (Peer reviewed)

Chao, A., and R. K. Colwell. 2024. Biodiversité: concepts, dimensions et mesures, Pages 37–59 in M. Loreau, A. Hector, and F. Isbell, eds. Les conséquences écologiques et sociétales de la perte de biodiversité, ISTE Group, UK.

Gotelli, N. J., A. Chao, and R. K. Colwell. 2024. Measuring and estimating species richness, taxonomic and phylogenetic diversity, and related biotic (dis)similarity indices from sampling data. Pages 313–349 in S. M. Scheiner, editor. Encyclopedia of Biodiversity, 3rd Edition, Vol. 5. Oxford: Elsevier

Colwell, R. K., and A. Chao. 2022. Measuring and comparing class diversity in archaeological assemblages: A brief guide to the history and state-of-the-art in diversity statistics. Pages 263-294 in M. I. Eren and B. Buchanan, editors. Defining and measuring diversity in archaeology. Berghahn, New York.

Thomas, D. H., and R. K. Colwell. 2020. Class richness: sample-based and coverage-based approaches. Pages 776-812 in D. H. Thomas, Alpine archaeology of Alta Toquima and the Mt. Jefferson Tablelands (Nevada). Anthropological Papers of the American Museum of Natural History, Number 104. American Museum of Natural History, New York.

Colwell, R. K. 2011. Biogeographical gradient theory. Pages 309-330 in S. M. Scheiner and M. R. Willig, editors. The theory of ecology. University of Chicago Press, Chicago.

Gotelli, N. J. and R. K. Colwell. 2011. Estimating species richness. Pages 39-54 in A. E. Magurran and B. J. McGill, editors. Frontiers in measuring biodiversity. Oxford University Press, New York.

Colwell, R. K. 2009. Biodiversity: concepts, patterns, and measurement. Pages 257-263 in S. A. Levin, editor. The Princeton Guide to Ecology. Princeton Univ. Press, Princeton, NJ.

Naeem, S., R. Colwell, S. Díaz, J. Hughes, C. Jouseau, S. Lavorel, P. Morin, O. Petchey, and J. Wright. 2007. Predicting the ecosystem consequences of biodiversity loss: the BioMERGE framework. Pages 113-126 in J. G. Canadell, D. E. Pataki, and L. Pitelka, editors. Terrestrial Ecosystems in a Changing World.

Chao, A., R. L. Chazdon, R. K. Colwell, and T.-J. Shen. 2005. Un nuevo método estadístico para la evaluación de la similitud en la composición de especies con datos de incidencia y abundancia. Pages 85-96 in G. Halffter, J. Soberón, P. Koleff, and A. Melic, editors. Sobre diversidad biológica: el significado de la diversidades alfa, beta, y gamma. m3m: Monografías Tercer Milenio, Zaragoza, Spain.

Colwell, R.K. 2005. Estimation of species richness at large spatial scales: Potential, procedures, pitfalls. Pp. 1-5 in A. Bergamini, Ed. Landscape scale biodiversity assessment, the problem of scaling. European Platform for Biodiversity Research Strategy (EPBRS), Budapest, Hungary.

Colwell, R. K., C. X. Mao, and J. Chang. 2005. Interpolando, extrapolando y comparando las curvas de acumulación de especies basadas en su incidencia. Pages 73-84 in G. Halffter, J. Soberón, P. Koleff, and A. Melic, editors. Sobre diversidad biológica: el significado de la diversidades alfa, beta, y gamma. m3m: Monografías Tercer Milenio, Zaragoza, Spain.

Coddington, J. A., and R. K. Colwell. 2000. Arachnids. Vol. 1., Pp. 199-218 in S. Levin, ed. Encyclopedia of biodiversity. Academic Press, NY.

Colwell, R. K. 2000. Hummingbirds and flower mites: Contrasts and conflicts between two nectarivores. Pp. 86-99 in M. A. S. Alves, J. M. C. Silva, M. Van Sluys, H. G. Bergallo and C. F. D. Rocha, eds. A ornitologia no Brasil: pesquisa atual, conservação e perspectivas. Anais do VII Congresso Brasileiro de Ornitologia. Rio de Janeiro.

Colwell, R. K., and P. Naskrecki. 1999. The evolution of host-plant affiliation, body size and sexual dimorphism in hummingbird flower mites (Ascidae: Rhinoseius and Tropicoseius). Pp. 79-86 in G. R. Needham, R. Mitchell, D. J. Horn and W. C. Welbourn, eds. Acarology IX, Volume 2: Symposia (IXth International Congress of Acarology). Ohio Biological Survey, Columbus, Ohio.

Chazdon, R. L., R. K. Colwell, J. S. Denslow, and M. R. Guariguata. 1998. Statistical methods for estimating species richness of woody regeneration in primary and secondary rain forests of northeastern Costa Rica. Pp. 285-309 in F. Dallmeier and J. A. Comiskey, eds. Forest biodiversity research, monitoring and modeling: Conceptual background and Old World case studies. Parthenon Publishing, Paris.

Tartowski, S. L., E. B. Allen, N. E. Barrett, A. R. Berkowitz, R. K. Colwell, P. M. Groffman, J. Harte, H. P. Possingham, C. M. Pringle, D. L. Strayer, and C. R. Tracy. 1997. Integration of Species and Ecosystem Approaches to Conservation. Pp. 187-192 in: Pickett, S.T.A., R. S. Ostfeld, M. Shachak, and G. E. Likens (eds.) The ecological basis of conservation: Heterogeneity, ecosystems, and biodiversity. Proceedings of the Sixth Cary Conference, Institute of Ecosystem Studies. Chapman and Hall, New York.

Colwell, R. K. 1994. Potential ecological and evolutionary problems of introducing transgenic crops into the environment. Pp. 33-46 in A. F. Krattiger and A. Rosemarin (eds.). Biosafety for sustainable agriculture: sharing biotechnology regulatory experiences of the Western Hemisphere. ISAAA-International Service for the Acquisition of Agri-biotech Applications and SEI-The Stockholm Environmental Institute, Stockholm, Sweden.

Colwell, R. K. 1994. Ruby-throated Hummingbird (Archilochus colubris). Pp. 182-183 in L. R. Bevier, ed. The atlas of breeding birds of Connecticut. Connecticut State Geological and Natural History Survey, Bulletin No. 113.

Colwell, R. K. and S. Naeem. 1994. Life history patterns of hummingbird flower mites in relation to host phenology and morphology. Pp. 23-44 in M. A. Houck, ed. Mites: ecological and evolutionary analyses of life history patterns. Chapman and Hall, New York.

Newstrom, L. E., G. W. Frankie, H. G. Baker and R. K. Colwell. 1994. Diversity of long-term flowering patterns. Pp. 142-160 in L. A. McDade, K. S. Bawa, H. A. Hespenheide and G. S. Hartshorn (eds.). La Selva: Ecology and natural history of a Neotropical rain forest. University of Chicago Press, Chicago.

Colwell, R. K. 1992. The niche: environmental or population attribute? Pp. 241-248 in E. F. Keller, and E. A. Lloyd, eds. Keywords in evolutionary biology. Harvard University Press, Cambridge, MA.

Colwell, R. K. 1992. Human aspects of biodiversity: An evolutionary perspective. International Union of Biological Sciences, Monograph No. 8. Pp. 209-222 in O. Solbrig, H. M. van Emden and P. G. W. J. van Oordt (eds.). Biological diversity and global change. IUBS Press, Paris.

Colwell, R. K., and M. A. Huston. 1991. Conceptual framework and research issues for species diversity at the community level. Pp. 37-71 in O. T. Solbrig (ed.). From genes to ecosystems: A research agenda for biodiversity. International Union of Biological Sciences, Paris.

Heyneman, A. J., R. K. Colwell, S. Naeem, D. S. Dobkin, and B. Hallet. 1991. Host plant discrimination: experiments with hummingbird flower mites. Pp. 455-485 in Price, P. W., and T. M. Lewinsohn, G. W. Fernandes, and W. W. Benson (eds.). Evolutionary ecology in tropical and temperate regions. John Wiley and Sons, NY.

Naeem, S. and R. K. Colwell. 1991. Ecological consequences of heterogeneity of consumable resources. Pp. 224-255 in Kolasa, J., and S. T. A. Pickett (eds.). Ecological heterogeneity. Springer Verlag, NY.

Colwell, R. K. 1990. Naturgeschichte, biologische Vielfalt und der Mensch. Pp. 8-10 in H.-B. Peter, ed. Freiheit und Verantwortung in der Wissenschaft. Mitteilungsblatt der Schweizerischen Akademie der Geisteswissenschaften und der Schweizerischen Akademie der Naturwissenschaften (Beiheft XV), Gerzensee, Switzerland.

Colwell, R. K. 1989. Natural and unnatural history: biological diversity and genetic engineering. Pp. 1-40 in Shea, W. R., and B. Sitter (eds.). (Conference of Swiss Scientific Academies). Freedom and responsibility: moral issues facing scientists today.Watson Publishing International, Nantucket, MA.

Colwell, R. K. 1988. Ecology and biotechnology: expectations and outliers. Pp. 163-180 in Fiksel, J. and Vincent T. Covello (eds.). Risk analysis approaches for environmental releases of genetically engineered organisms. NATO Advanced Research Science Institutes Series, Volume F. Springer-Verlag, Berlin.

Colwell, R. K. 1986. Community biology and sexual selection: Lessons from hummingbird flower mites. Pp. 406-424 in Case, T. J. and J. Diamond (eds.). Community Ecology. Harper and Row, NY.

Colwell, R. K. 1986. Population structure and sexual selection for host fidelity in the speciation of hummingbird flower mites. Pp. 475-495 in Karlin, S. and E. Nevo (eds.). Evolutionary processes and theory. Academic Press, Orlando, FL.

Colwell, R. K. 1984. What's new? Community ecology discovers biology. Pp. 387-397 in Price, P. W., C. N. Slobodchikoff, and W. S. Gaud (eds.). A new ecology: novel approaches to interactive systems. Wiley, NY.

Colwell, R. K. and D. W. Winkler. 1984. A null model for null models in biogeography. Pp. 344-359 in Strong, D. R., Jr., D. Simberloff, L. G. Abele, and A. B. Thistle (eds.). Ecological communities: conceptual issues and the evidence. Princeton University Press, Princeton, NJ.

Colwell, R. K. 1983. Rhinoseius colwelli (Acaro floral del colibri, totolate floral de colibri, hummingbird flower mite). P. 619 (fig.) and pp. 767-768 in Janzen, D. H. (ed.) Costa Rican natural history. University of Chicago Press, Chicago.

Colwell, R. K. and M.-C. King. 1983. Disentangling genetic and cultural influences on human behavior: Problems and prospects. Pp. 227-249 in Rajecki, D. (ed.) Comparing behavior: studying man, studying animals. Erlbaum Associates, Hillsdale, NJ.

Colwell, R. K. 1979. The geographical ecology of hummingbird flower mites in relation to their host plants and carriers. Pp. 461-468 in J. G. Rodriguez, ed. Recent Advances in Acarology. Academic Press, New York.

Colwell, R. K. 1979. Toward a unified approach to the study of species diversity. Pp. 75-91 in Grassle, J. F., G. P. Patil, W. K. Smith, and C. Taillie (eds.). Ecological diversity in theory and practice. International Cooperative Publishing House, Fairland, MD.

Software and Documentation

Colwell, R. K. 2004. Biota: The biodiversity database manager. Sinauer Associates, Sunderland, MA. (Software and 880 p. Manual. Biota 1 had more than 1000 users in 40 countries and 48 U.S. states.) https://www.robertkcolwell.org/pages/1414

Colwell, R. K. 1999-2012. RangeModel 5: A Monte Carlo simulation tool for assessing geometric constraints on species richness.(Simulation and analysis software.) https://www.robertkcolwell.org/pages/1454

Colwell, R. K. 1997-2010. EstimateS Ver. 8.2: Statistical estimation of species richness and shared species from samples. (Statistical estimation software with 20 p. Manual). (More than 60,000 registered users in more than 100 countries. Cited more than 12,000 times.) https://www.robertkcolwell.org/pages/1407

Other Publications

Doctoral Dissertation

Colwell, R. K. 1969. Ecological specialization and species diversity in tropical and temperate arthropod communities. University of Michigan, Ann Arbor.

Textbook Chapters

Colwell, R. K., J. Longino, D. Brenes, N. Oconotrillo, M. Paniagua, and R. Vargas. 2002. Los artrópodos: Protagonistas en la estimación y conservación de la biodiversidad. In R. Primack, R. Rozzi, P. Feinsinger, R. Dirzo and F. Massard, eds. Conservación biológica. Fondo de Cultura Económica, Mexico City, Mexico.

Colwell, R. K. 1991. Field ecology. Pp. 187-198 in T. Taigen, T. Terry, D. Wagner, and E. Jokinen (eds.). Hands-on biology: a lab manual for introductory biology. McGraw-Hill, New York.

Colwell, R. K. 1991. Population ecology (pp. 786-803); Community interactions (pp. 804-825) in Starr, C., and R. Taggart, Biology: the unity and diversity of life. 6th edition. Wadsworth Press, Belmont, CA.

Letters, Book Reviews, Op Ed, and Memorials

Colwell, R. and D. Futuyma. 2009. Lawrence B. Slobodkin. Evolutionary Ecology Research 11:989-990.

Futuyma, D. and R. Colwell. 2009. Lawrence B. Slobodkin (1928–2009): Integrating theory, models, and experiments in ecology. PLOS Biology 7:e1000261. doi:1000210.1001371/journal.pbio.1000261.

Colwell, R. K., and D. C. Lees. 2000. Reply from R. K. Colwell and D. C. Lees. Trends in Ecology and Evolution 15:289.

Colwell, R. K. 1983. Review of Theoretical ecology: principles and applications (R. M. May). Auk 100: 261-262.

Colwell, R. K. 1989. Science of the times. Village Voice Literary Supplement, Number 78 (September), p. 19.

Colwell, R. K. 1988. A Forum: speaking ecologically. EPA Journal 14: 6.

Colwell, R. K. 1988. Academy's gene report: another reading. (Roundtable feature). BioScience 38: 421-423.

Colwell, R. K. 1987. The ice-minus case and a scientifically informed judiciary. (Letter.) Science 237: 10.

Baker, H. G., R. L. Chazdon, and R. K. Colwell. 1984. Thomas Belt to be Commemorated. Biotropica 16:50.

Colwell, R. K., E. A. Norse, D. Pimentel, F. E. Sharples, and D. Simberloff. 1985. Genetic engineering in agriculture. (Letter.) Science 229: 111-112.

Greenstone, M. H., R. K. Colwell, and F. A. Pitelka. 1972. Ecological Assessment. Science 177:210.

Commentary and Technical Reports

Colwell, R. K. 2016. Foreword. Pages 9-10 in T. Robillard, F. Legendre, C. Villemant, and M. Leponce, editors. Insects of Mount Wilhelm Papua New Guinea. Mémoires du Muséum national d’Histoire naturelle, Paris.

Colwell, R. K. 2010. Beta diversity: synthesis and a guide for the perplexed. Ecography 33:1.

Colwell, R. K. 2002. Hot new paper comments (Colwell, R. K. and D. C. Lees. 2000. The mid-domain effect: geometric constraints on the geography of species richness. Trends in Ecology and Evolution 15:70-76.). Essential Science Indicators Special TopicsJanuary 2002. http://www.esi-topics.com/nhp/comments/january-02-RobertColwell.html.

Gross, K. L., C. E. Pake, E. Allen, R. K. Colwell, P. K. Dayton, M. Dethier, J. Helly, R. D. Holt, N. Morin, W. Michener, S. T. A. Pickett, and S. Stafford. 1995. Final report of the Ecological Society of America Committee on the Future of Long-term Ecological Data (FLED). Ecological Society of America, Washington, D. C.

Colwell, R. K. 1995. Ecological Society of America, Special Committee on ESA Communications in the Electronic Age: Final report the Committee. Bulletin of the Ecological Society of America 76(3):120-131.

Colwell, R. K. 1993. Management of wildland biodiversity as a resource for biotechnology. Pp. 130-134 in W. Tien, S.-F. Chen, L. Lo, and Y. T. Shyu, eds. Biotechnology: theory and applications 1993. Development Center for Biotechnology, Taipei, Republic of China.

Colwell, R. K. 1989. Biological diversity and transgenic plants: the case for the preservation and protection of wild plant genetic resources. In Dilley, A. (Ed.). Transgenic plants: risk and regulation. Keystone Biotechnology Forum. Keystone Center, Frisco, Colorado.

Colwell, R. K., L. W. Barnthouse, A. Dobson, F. Taub, and R. Wetzler. 1987. Response to the Office of Science and Technology Policy notice "Coordinated framework for regulation of biotechnology." Bulletin of the Ecological Society of America 68: 16-23.

Colwell, R. K. 1986. Biological responses to perturbation: Genome to ecosystem. Pp. 230-232 in Halvorson, H. O., D. Pramer, and M. Rogul (Eds.). Engineered organisms in the environment: Scientific issues. American Society for Microbiology, Washington, D.C.

Colwell, R. K. 1982. This week's citation classic [Colwell, R K, and Futuyma, D. J. 1971. On the measurement of niche breadth and overlap. Ecology 52:567-576.]. Current Contents 3:18.

Robert K. Colwell