Contact

Robert K. Colwell


Museum Curator Adjoint in Entomology


robertkcolwell [at] gmail.com


Museum of Natural History


University of Colorado


Boulder, CO 80309, USA




robertkcolwell [at] gmail.com


Museum of Natural History


University of Colorado


Boulder, CO 80309, USA



Publications


Monitoring recovery of tree diversity during tropical forest restoration: lessons from long-term trajectories of natural regeneration


Robin Chazdon, Natalia Norden, Robert K Colwell, Anne Chao


Royal Society of London. Philosophical Transactions B. Biological Sciences, The Royal Society Publishing, 2022


Language and ethnobiological skills decline precipitously in Papua New Guinea, the world’s most linguistically diverse nation


A. Kik, M. Adamec, A. Aikhenvald, Jarmila Bajzekova, Nigel Baro, Claire Bowern, R. K. Colwell, P. Drozd, P. Duda, Sentiko Ibalim, L. Jorge, J. Mogina, Ben Ruli, K. Sam, Hannah S. Sarvasy, S. Saulei, G. Weiblen, J. Zrzavý, V. Novotný


Proceedings of the National Academy of Sciences, 2021


Landscape dynamics promoted the evolution of mega-diversity in South American freshwater fishes


F. Cassemiro, J. Albert, A. Antonelli, A. Menegotto, R. Wüest, M. T. Coelho, D. Bailly, Valéria F. B. da Silva, A. Frota, W. J. da Graça, Reginaldo Ré, T. Ramos, Anielly Galego de Oliveira, M. S. Dias, R. K. Colwell, T. Rangel, C. Graham


2021


Demographic shifts, inter-group contact, and environmental conditions drive language extinction and diversification


Marco Tulio Pacheco Coelho1, H. Haynie, Claire Bowern, R. K. Colwell, Simon J. Greenhill, K. Kirby, T. Rangel, M. Gavin


2021


Quantifying sample completeness and comparing diversities among assemblages


A. Chao, Y. Kubota, D. Zelený, Chun‐Huo Chiu, Ching‐Feng Li, B. Kusumoto, M. Yasuhara, S. Thorn, Chih‐Lin Wei, Mark John Costello, R. K. Colwell


2020


Alpine archaeology of Alta Toquima and the Mt. Jefferson Tablelands (Nevada) : the archaeology of Monitor Valley, contribution 4.


D. Thomas, J. Bean, Gregory R. Burns, T. Canaday, D. Charlet, R. K. Colwell, B. Culleton, J. Eerkens, Nicholas P. Freeland, D. Graybill, D. Grayson, T. Harper, R. Hughes, J. Jiménez, D. Kennett, C. Millar, A. Novick, L. Pendleton, A. Rankin, David Rhode, J. Rosenthal, I. Rovner, H. Spero, Nathan E. Stevens


2020


Building mountain biodiversity: Geological and evolutionary processes


C. Rahbek, M. K. Borregaard, A. Antonelli, R. K. Colwell, Ben G Holt, D. Nogues‐Bravo, C. Rasmussen, K. Richardson, M. Rosing, R. Whittaker, J. Fjeldså


Science, 2019


Humboldt’s enigma: What causes global patterns of mountain biodiversity?


C. Rahbek, M. K. Borregaard, R. K. Colwell, B. Dalsgaard, Ben G Holt, N. Morueta‐Holme, D. Nogues‐Bravo, R. Whittaker, J. Fjeldså


Science, 2019


The distributions of morphologically specialized hummingbirds coincide with floral trait matching across an Andean elevational gradient


Jesper Sonne, Thais B. Zanata, Ana M. Martín González, Nixon L. Cumbicus Torres, J. Fjeldså, R. K. Colwell, Boris A. Tinoco, C. Rahbek, B. Dalsgaard


Biotropica, 2019


Drivers of geographical patterns of North American language diversity


Marco Túlio Pacheco Coelho, E. Pereira, H. Haynie, T. Rangel, P. Kavanagh, K. Kirby, S. Greenhill, Claire Bowern, R. Gray, R. K. Colwell, N. Evans, M. Gavin


Proceedings of the Royal Society B, 2019


The distributions of morphologically specialized hummingbirds coincidewith floral trait matching across an Andean elevational gradient


Jesper Sonne, Thais B Zanata, Ana M Mart{\'\i}n Gonz{\'a}lez, Nixon L Cumbicus Torres, Jon Fjelds{\aa}, Robert K Colwell, Boris A Tinoco, Carsten Rahbek, Bo Dalsgaard


2019


Managing consequences of climate‐driven species redistribution requires integration of ecology, conservation and social science


T. Bonebrake, Christopher J. Brown, J. Bell, J. Blanchard, A. Chauvenet, C. Champion, I. Chen, T. Clark, R. K. Colwell, F. Danielsen, A. Dell, J. Donelson, B. Evengård, S. Ferrier, S. Frusher, R. A. Garcia, R. Griffis, A. Hobday, Marta A. Jarzyna, Emma Lee, J. Lenoir, Hlif I. Linnetved, Victoria Y. Martin, Phillipa C. McCormack, J. McDonald, E. McDonald‐Madden, N. Mitchell, T. Mustonen, J. Pandolfi, N. Pettorelli, H. Possingham, P. Pulsifer, M. Reynolds, Brett R. Scheffers, Cascade J. B. Sorte, J. Strugnell, M. Tuanmu, S. Twiname, A. Vergés, Cecilia Villanueva, E. Wapstra, T. Wernberg, G. Pecl


Biological reviews of the Cambridge Philosophical Society, 2018


Spatially explicit paleoclimate reconstruction of South America for the last 800 thousand years


T. Rangel, N. Edwards, P. Holden, J. Diniz-Filho, W. Gosling, M. T. Coelho, F. Cassemiro, C. Rahbek, R. K. Colwell


2018


Modeling the ecology and evolution of biodiversity: Biogeographical cradles, museums, and graves


T. Rangel, N. Edwards, P. Holden, J. Diniz-Filho, W. Gosling, M. T. Coelho, F. Cassemiro, C. Rahbek, R. K. Colwell


Science, 2018


Response to Qian et al. (2017): Daily and seasonal climate variations are both critical in the evolution of species’ elevational range size


Wei-ping Chan, I. Chen, R. K. Colwell, Wei-Chung Liu, Cho-ying Huang, S. Shen


Journal of Biogeography, 2018


Deciphering the enigma of undetected species, phylogenetic, and functional diversity based on Good-Turing theory.


A. Chao, Chun‐Huo Chiu, R. K. Colwell, Luiz F. S. Magnago, R. Chazdon, N. Gotelli


Ecology, 2017


Environment-induced changes in selective constraints on social learning during the peopling of the Americas


Briggs Buchanan, A. Chao, Chun‐Huo Chiu, R. K. Colwell, M. J. O’Brien, Angelia Werner, M. Eren


Scientific reports, 2017


Biodiversity redistribution under climate change: Impacts on ecosystems and human well-being


G. Pecl, M. Araújo, J. Bell, J. Blanchard, T. Bonebrake, I. Chen, T. Clark, R. K. Colwell, F. Danielsen, B. Evengård, L. Falconi, S. Ferrier, S. Frusher, R. A. Garcia, R. Griffis, A. Hobday, C. Janion‐Scheepers, Marta A. Jarzyna, S. Jennings, J. Lenoir, Hlif I. Linnetved, Victoria Y. Martin, Phillipa C. McCormack, J. McDonald, N. Mitchell, T. Mustonen, J. Pandolfi, N. Pettorelli, E. Popova, S. Robinson, Brett R. Scheffers, J. Shaw, Cascade J. B. Sorte, J. Strugnell, J. Sunday, M. Tuanmu, A. Vergés, Cecilia Villanueva, T. Wernberg, E. Wapstra, Stephen E. Williams


Science, 2017


Elevational species richness gradients in a hyperdiverse insect taxon: a global meta-study on geometrid moths


Jan Beck, C. McCain, J. Axmacher, L. Ashton, F. Bärtschi, G. Brehm, Sei‐Woong Choi, O. Čížek, R. K. Colwell, K. Fiedler, C. Francois, Steven A. Highland, J. Holloway, J. Intachat, T. Kadlec, R. Kitching, S. Maunsell, T. Merckx, A. Nakamura, E. Odell, W. Sang, P. Toko, J. Zámečník, Y. Zou, V. Novotný


2017


Process-based modelling shows how climate and demography shape language diversity


M. Gavin, T. Rangel, Claire Bowern, R. K. Colwell, K. Kirby, C. Botero, M. Dunn, R. Dunn, J. McCarter, M. T. Coelho, R. Gray


2017


Mechanism, Process, and Causation in Ecological Models: A Reply to McGill and Potochnik.


S. Connolly, S. Keith, R. K. Colwell, C. Rahbek


Trends in ecology & evolution, 2017


Opinion Process , Mechanism , and Modeling in Macroecology


S. Connolly, S. Keith, R. K. Colwell, C. Rahbek


2017


What Makes Models Mechanistic or Process-Based ?


S. Connolly, S. Keith, R. K. Colwell, C. Rahbek


2017


Process, Mechanism, and Modeling in Macroecology.


S. Connolly, S. Keith, R. K. Colwell, C. Rahbek


Trends in ecology & evolution, 2017


Turning Up the Heat on a Hotspot: DNA Barcodes Reveal 80% More Species of Geometrid Moths along an Andean Elevational Gradient


G. Brehm, P. Hebert, R. K. Colwell, Marc-Oliver Adams, Florian Bodner, Katrin Friedemann, Lars Möckel, K. Fiedler


PloS one, 2016


Statistical Analysis of Paradigmatic Class Richness Supports Greater Paleoindian Projectile-Point Diversity in the Southeast


M. Eren, A. Chao, Chun‐Huo Chiu, R. K. Colwell, Briggs Buchanan, Matthew Boulanger, John Darwent, M. J. O’Brien


American Antiquity, 2016


Appendix G. A user's guide for program CLAM, with instructions and a link for downloading the program.


R. Chazdon, A. Chao, R. K. Colwell, Shang-Yi Lin, Natalia Norden, Susan G. Letcher, David B. Clark, B. Finegan, J. P. Arroyo


2016


Appendix A. Description of vegetation inventory data sets used in this study.


R. Chazdon, A. Chao, R. K. Colwell, Shang-Yi Lin, Natalia Norden, Susan G. Letcher, David B. Clark, B. Finegan, J. P. Arroyo


2016


EXPERIMENTAL STUDIES OF *+4095 THE NICHE


R. K. Colwell, E. Fuentes


2016


Midpoint attractors and species richness: Modelling the interaction between environmental drivers and geometric constraints.


R. K. Colwell, N. Gotelli, L. Ashton, Jan Beck, G. Brehm, T. Fayle, K. Fiedler, M. Forister, M. Kessler, R. Kitching, P. Klimes, Jürgen Kluge, J. Longino, S. Maunsell, C. McCain, Jimmy Moses, Sarah Noben, K. Sam, L. Sam, A. Shapiro, Xiangping Wang, V. Novotný


Ecology letters, 2016


Seasonal and daily climate variation have opposite effects on species elevational range size


Wei-ping Chan, I. Chen, R. K. Colwell, Wei-Chung Liu, Cho-ying Huang, S. Shen


Science, 2016


Unveiling the species-rank abundance distribution by generalizing the Good-Turing sample coverage theory.


A. Chao, T. Hsieh, R. Chazdon, R. K. Colwell, N. Gotelli


Ecology, 2015


An estimate of the number of tropical tree species


J. Slik, V. Arroyo‐Rodríguez, S. Aiba, P. Álvarez-Loayza, L. Alves, P. Ashton, P. Balvanera, M. Bastian, P. Bellingham, E. van den Berg, L. Bernacci, Polyanna da Conceição Bispo, L. Blanc, K. Böhning‐Gaese, P. Boeckx, F. Bongers, B. Boyle, M. Bradford, F. Brearley, Mireille Breuer-Ndoundou Hockemba, S. Bunyavejchewin, Darley Calderado Leal Matos, M. Castillo-Santiago, E. Catharino, Shauna-Lee Chai, Yukai Chen, R. K. Colwell, R. Chazdon, C. Clark, D. Clark, D. Clark, H. Culmsee, K. Damas, H. Dattaraja, G. Dauby, P. Davidar, S. DeWalt, J. Doucet, Á. Duque, G. Durigan, K. Eichhorn, P. V. Eisenlohr, E. Eler, C. Ewango, Nina Farwig, K. Feeley, L. Ferreira, Richard Field, Ary T. de Oliveira Filho, C. Fletcher, O. Forshed, G. Franco, G. Fredriksson, T. Gillespie, J. Gillet, G. Amarnath, Daniel M. Griffith, J. Grogan, N. Gunatilleke, David Harris, R. Harrison, A. Hector, J. Homeier, N. Imai, A. Itoh, P. Jansen, C. Joly, B. D. De Jong, K. Kartawinata, E. Kearsley, D. Kelly, D. Kenfack, M. Kessler, K. Kitayama, R. Kooyman, E. Larney, Y. Laumonier, S. Laurance, W. Laurance, M. Lawes, I. Amaral, Susan G. Letcher, J. Lindsell, Xinghui Lu, A. Mansor, A. Marjokorpi, Emanuel H. Martin, H. Meilby, F. Melo, D. Metcalfe, V. Medjibe, J. Metzger, J. Millet, D. Mohandass, J. Montero, M. de Morisson Valeriano, B. Mugerwa, H. Nagamasu, R. Nilus, S. Ochoa-Gaona, Onrizal, N. Page, P. Parolin, M. Parren, N. Parthasarathy, E. Paudel, Andrea Permana, M. Piedade, N. Pitman, L. Poorter, A. Poulsen, J. Poulsen, J. Powers, R. Prasad, J. Puyravaud, J. Razafimahaimodison, J. Reitsma, J. dos Santos, Wilson Roberto Spironello, Hugo Romero-Saltos, F. Rovero, A. Rozak, K. Ruokolainen, E. Rutishauser, F. Saiter, P. Saner, Bráulio A. Santos, Fernanda Santos, S. K. Sarker, Manichanh Satdichanh, C. Schmitt, J. Schöngart, M. Schulze, M. Suganuma, D. Sheil, Eduardo da Silva Pinheiro, P. Sist, T. Stévart, R. Sukumar, I. Sun, T. Sunderland, H. Suresh, E. Suzuki, M. Tabarelli, Jangwei Tang, N. Targhetta, I. Theilade, Duncan W. Thomas, P. Tchouto, Johanna Hurtado, R. Valencia, J. V. van Valkenburg, Tran Van Do, R. Vásquez, H. Verbeeck, V. Adekunle, S. Vieira, C. Webb, Timothy J. S. Whitfeld, S. Wich, John N. Williams, F. Wittmann, Hannsjoerg Wöll, Xiaobo Yang, C. Y. Adou Yao, S. Yap, T. Yoneda, R. Zahawi, R. Zakaria, R. Zang, R. L. de Assis, Bruno Garcia Luize, Eduardo M. Venticinque


Proceedings of the National Academy of Sciences, 2015


Phylogenetic uncertainty revisited: Implications for ecological analyses


T. Rangel, R. K. Colwell, G. Graves, K. Fučíková, C. Rahbek, J. Diniz-Filho


Evolution; international journal of organic evolution, 2015


Defining and observing stages of climate-mediated range shifts in marine systems


A. Bates, G. Pecl, S. Frusher, A. Hobday, T. Wernberg, D. Smale, J. Sunday, N. Hill, N. Dulvy, R. K. Colwell, N. Holbrook, E. Fulton, D. Slawinski, M. Feng, G. Edgar, B. Radford, P. Thompson, R. Watson


2014


Rarefaction and extrapolation with Hill numbers: a framework for sampling and estimation in species diversity studies


A. Chao, N. Gotelli, T. Hsieh, Elizabeth L. Sander, K. Ma, R. K. Colwell, A. Ellison


2014


How Ants Drop Out: Ant Abundance on Tropical Mountains


J. Longino, M. Branstetter, R. K. Colwell


PloS one, 2014


Thermal-safety margins and the necessity of thermoregulatory behavior across latitude and elevation


J. Sunday, A. Bates, M. Kearney, R. K. Colwell, N. Dulvy, J. Longino, R. Huey


Proceedings of the National Academy of Sciences, 2014


Understanding historical and current patterns of species richness of babblers along a 5000‐m subtropical elevational gradient


Yongjie Wu, R. K. Colwell, Naijian Han, Ruiying Zhang, Wenjuan Wang, Q. Quan, Chunlan Zhang, G. Song, Y. Qu, F. Lei


2014


Quantifying temporal change in biodiversity: challenges and opportunities


M. Dornelas, A. Magurran, S. T. Buckland, A. Chao, R. Chazdon, R. K. Colwell, T. Curtis, K. Gaston, N. Gotelli, M. Kosnik, B. McGill, J. L. McCune, H. Morlon, P. Mumby, L. Øvreås, A. Studeny, M. Vellend


Proceedings of the Royal Society B: Biological Sciences, 2013


Toward a Mechanistic Understanding of Linguistic Diversity


M. Gavin, C. Botero, Claire Bowern, R. K. Colwell, M. Dunn, R. Dunn, R. Gray, K. Kirby, J. McCarter, Adam Powell, T. Rangel, J. Stepp, Michelle Trautwein, J. Verdolin, G. Yanega


2013


Explaining the species richness of birds along a subtropical elevational gradient in the Hengduan Mountains


Yongjie Wu, R. K. Colwell, C. Rahbek, Chunlan Zhang, Q. Quan, Changke Wang, F. Lei


2013


Report on Workshop on Possible Ecological and Evolutionary Impacts of Bioengineered Organisms Released into the Environment


James H. Brown, R. K. Colwell, R. Lenski, B. Levin, MonteLloyd, P. Regal, DanielSimberloff


2012


Specimen-based modeling, stopping rules, and the extinction of the Ivory-billed Woodpecker.


N. Gotelli, A. Chao, R. K. Colwell, W. Hwang, G. Graves


Conservation biology : the journal of the Society for Conservation Biology, 2012


Models and estimators linking individual-based and sample-based rarefaction, extrapolation and comparison of assemblages


R. K. Colwell, A. Chao, N. Gotelli, Shang-Yi Lin, C. Mao, R. Chazdon, J. Longino


2012


Coextinction and persistence of dependent species in a changing world


R. K. Colwell, R. Dunn, Nyeema C. Harris


2012


Biodiversity: Species loss revisited


C. Rahbek, R. K. Colwell


Nature, 2011


A novel statistical method for classifying habitat generalists and specialists.


R. Chazdon, A. Chao, R. K. Colwell, Shang-Yi Lin, Natalia Norden, Susan G. Letcher, D. Clark, B. Finegan, J. P. Arroyo


Ecology, 2011


Estimating species richness


Nicholas J Gotelli, Robert K Colwell


Biological diversity: frontiers in measurement and assessment. A. E. Magurran and B. J. McGill, eds., Oxford University Press, Oxford, UK, 2010, pp. 39--54


A stochastic, evolutionary model for range shifts and richness on tropical elevational gradients under Quaternary glacial cycles


R. K. Colwell, T. Rangel


Philosophical Transactions of the Royal Society B: Biological Sciences, 2010


Sufficient sampling for asymptotic minimum species richness estimators


Anne Chao, Robert K Colwell, Chih-Wei Lin, Nicholas J Gotelli


Ecology, vol. 90, Ecological Society of America, 2009, pp. 1125--1133


EstimateS 8.2. 0.--Statistical estimation of species richness and shared species from samples


RK Colwell


User’s Guide and Application. Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, 2009


Lawrence B. Slobodkin


Robert K Colwell, Douglas J Futuyma


EVOLUTIONARY ECOLOGY LTD UNIV ARIZONA, 321 BIOSCIENCES WEST, TUCSON, AZ~…, 2009


Peaks, plateaus, canyons, and craters: the complex geometry of simple mid-domain effect models


Robert K Colwell, Nicholas J Gotelli, Carsten Rahbek, Gary L Entsminger, Catherine Farrell, Gary R Graves


Evolutionary Ecology Research, 2009


Peaks, plateaus, canyons, and craters: the complex geometry of simple mid-domain effect models


Robert K Colwell, Nicholas J Gotelli, Carsten Rahbek, Gary L Entsminger, Catherine Farrell, Gary R Graves


Evolutionary Ecology Research, 2009


Biodiversity: concepts, patterns, and measurement


Robert K Colwell, others


The Princeton guide to ecology, vol. 663, Princeton University Press Princeton, 2009, pp. 257--263


Hutchinson's duality: the once and future niche


Robert K Colwell, Thiago F Rangel


Proceedings of the National Academy of Sciences, vol. 106, National Academy of Sciences, 2009, pp. 19651--19658


The sixth mass coextinction: are most endangered species parasites and mutualists?


Robert R Dunn, Nyeema C Harris, Robert K Colwell, Lian Pin Koh, Navjot S Sodhi


Proceedings of the Royal Society B: Biological Sciences, vol. 276, The Royal Society, 2009, pp. 3037--3045


Elevational patterns of diversity and abundance of eusocial paper wasps (Vespidae) in Costa Rica


Anjali Kumar, John T Longino, Robert K Colwell, Sean O'Donnell


Biotropica, vol. 41, Blackwell Publishing Inc Malden, USA, 2009, pp. 338--346


Vulnerability and resilience of tropical forest species to land-use change


Nigel E Stork, Jonathan A Coddington, Robert K Colwell, Robin L Chazdon, Christopher W Dick, Carlos A Peres, Sean Sloan, Kathy Willis


Conservation Biology, vol. 23, Blackwell Publishing Inc, 2009, pp. 1438--1447


Vulnerability and resilience of tropical forest species to land-use change


Nigel E Stork, Jonathan A Coddington, Robert K Colwell, Robin L Chazdon, Christopher W Dick, Carlos A Peres, Sean Sloan, Kathy Willis


Conservation Biology, vol. 23, Blackwell Publishing Inc, 2009, pp. 1438--1447


Distribution of megabenthic gastropods along environmental gradients: the mid-domain effect and beyond


Alvar Carranza, Robert K Colwell, Thiago Fernando LVB Rangel


Marine Ecology Progress Series, vol. 367, 2008, pp. 193--202


Global warming, elevational range shifts, and lowland biotic attrition in the wet tropics


Robert K Colwell, Gunnar Brehm, Catherine L Cardel{\'u}s, Alex C Gilman, John T Longino


science, vol. 322, American Association for the Advancement of Science, 2008, pp. 258--261


Correlates of extinction proneness in tropical angiosperms


Navjot S Sodhi, Lian Pin Koh, Kelvin S-H Peh, Hugh TW Tan, Robin L Chazdon, Richard T Corlett, Tien Ming Lee, Robert K Colwell, Barry W Brook, Cagan H Sekercioglu, others


Diversity and Distributions, vol. 14, Blackwell Publishing Ltd Oxford, UK, 2008, pp. 1--10


The role of environment and mid-domain effect on moth species richness along a tropical elevational gradient


Gunnar Brehm, Robert K Colwell, J{\"u}rgen Kluge


Global Ecology and Biogeography, vol. 16, Blackwell Publishing Ltd Oxford, UK, 2007, pp. 205--219


A comparison of taxon co-occurrence patterns for macro- and microorganisms


M Claire Horner-Devine, Jessica M Silver, Mathew A Leibold, Brendan JM Bohannan, Robert K Colwell, Jed A Fuhrman, Jessica L Green, Cheryl R Kuske, Jennifer BH Martiny, Gerard Muyzer, others


Ecology, vol. 88, 2007, pp. 1345--1353


Predicting the ecosystem consequences of biodiversity loss: the biomerge framework


Shahid Naeem, Robert Colwell, Sandra D{\'\i}az, Jennifer Hughes, Claire Jouseau, Sandra Lavorel, Peter Morin, Owen Petchey, Justin Wright, others


Terrestrial ecosystems in a changing world, Springer, Berlin, Heidelberg, 2007, pp. 113--126


Predicting continental-scale patterns of bird species richness with spatially explicit models


Carsten Rahbek, Nicholas J Gotelli, Robert K Colwell, Gary L Entsminger, Thiago Fernando LVB Rangel, Gary R Graves


Proceedings of the Royal Society B: Biological Sciences, vol. 274, The Royal Society London, 2007, pp. 165--174


Species richness and evolutionary niche dynamics: a spatial pattern--oriented simulation experiment


Thiago Fernando LVB Rangel, Jos{\'e} Alexandre F Diniz-Filho, Robert K Colwell


The American Naturalist, vol. 170, The University of Chicago Press, 2007, pp. 602--616


Vascular epiphyte distribution patterns: explaining the mid-elevation richness peak


Catherine L Cardel{\'u}s, Robert K Colwell, James E Watkins Jr


Journal of Ecology, British Ecological Society, 2006, pp. 144--156


Abundance-based similarity indices and their estimation when there are unseen species in samples


Anne Chao, Robin L Chazdon, Robert K Colwell, Tsung-Jen Shen


Biometrics, vol. 62, Blackwell Publishing Inc, 2006, pp. 361--371


The river domain: why are there more species halfway up the river?


Robert R Dunn, Robert K Colwell, Christer Nilsson


Ecography, vol. 29, Blackwell Publishing Ltd Copenhagen, 2006, pp. 251--259


Microbial biogeography: putting microorganisms on the map


Jennifer B Hughes Martiny, Brendan JM Bohannan, James H Brown, Robert K Colwell, Jed A Fuhrman, Jessica L Green, M Claire Horner-Devine, Matthew Kane, Jennifer Adams Krumins, Cheryl R Kuske, others


Nature Reviews Microbiology, vol. 4, Nature Publishing Group, 2006, pp. 102--112


Species richness and distribution of ferns along an elevational gradient in Costa Rica


James E Watkins Jr, Catherine Cardel{\'u}s, Robert K Colwell, Robbin C Moran


American Journal of Botany, vol. 93, Botanical Society of America, 2006, pp. 73--83


Species loss and aboveground carbon storage in a tropical forest


Daniel E Bunker, Fabrice DeClerck, Jason C Bradford, Robert K Colwell, Ivette Perfecto, Oliver L Phillips, Mahesh Sankaran, Shahid Naeem


Science, vol. 310, American Association for the Advancement of Science, 2005, pp. 1029--1031


A new statistical approach for assessing similarity of species composition with incidence and abundance data


Anne Chao, Robin L Chazdon, Robert K Colwell, Tsung-Jen Shen


Ecology letters, vol. 8, Blackwell Science Ltd Oxford, UK, 2005, pp. 148--159


A new statistical approach for assessing similarity of species composition with incidence and abundance data


Anne Chao, Robin L Chazdon, Robert K Colwell, Tsung-Jen Shen


Ecology letters, vol. 8, Blackwell Science Ltd Oxford, UK, 2005, pp. 148--159


Estimation of species richness at large spatial scales: Potential, procedures, pitfalls.


Robert K Colwell


A. Bergamini, Ed. Landscape scale biodiversity assessment, the problem of scaling, European Platform for Biodiversity Research Strategy (EPBRS), Budapest, Hungary, 2005, pp. 1--5


Interpolando, extrapolando y comparando las curvas de acumulaci{\'o}n de especies basadas en su incidencia


Robert K Colwell, Xuan Mao Chang, Chang Jing


Sobre diversidad biol{\'o}gica: el significado de las diversidades alfa, beta y gamma, GORFI, 2005, pp. 73--84


Un nuevo m{\'e}todo estad{\'\i}stico para la evaluaci{\'o}n de la similitud en la composici{\'o}n de especies con datos de incidencia y abundancia


Robert K Colwell, Anne Chao, Robin L Chazdon, Tsung-Jen Shen


Sobre diversidad biol{\'o}gica: el significado de las diversidades alfa, beta y gamma, GORFI, 2005, pp. 85--96


The Mid-Domain Effect: there’s a baby in the bathwater


Robert K Colwell, Carsten Rahbek, Nicholas J Gotelli


The American Naturalist, vol. 166, 2005, pp. E149--E154


Estimation of species richness: mixture models, the role of rare species, and inferential challenges


Chang Xuan Mao, Robert K Colwell


Ecology, vol. 86, Ecological Society of America, 2005, pp. 1143--1153


The influence of band sum area, domain extent, and range sizes on the latitudinal mid-domain effect


Tom S Romdal, Robert K Colwell, Carsten Rahbek


Ecology, vol. 86, Ecological Society of America, 2005, pp. 235--244


Estimating the species accumulation curve using mixtures


Chang Xuan Mao, Robert K Colwell, Jing Chang


Biometrics, vol. 61, Blackwell Publishing 350 Main Street, Malden, MA 02148, USA, and PO Box 1354~…, 2005, pp. 433--441


Arachnida


Jonathan A Coddington, G Giribet, MS Harvey, L Prendini, DE Walter


Assembling the tree of life, Oxford University Press, 2004


Interpolating, extrapolating, and comparing incidence-based species accumulation curves


Robert K Colwell, Chang Xuan Mao, Jing Chang


Ecology, vol. 85, Ecological Society of America, 2004, pp. 2717--2727


The mid-domain effect and species richness patterns: What have we learned so far?


Robert K Colwell, Carsten Rahbek, Nicholas J Gotelli


The American Naturalist, vol. 163, 2004, pp. E1--E23


The coincidence of rarity and richness and the potential signature of history in centres of endemism


Walter Jetz, Carsten Rahbek, Robert K Colwell


Ecology Letters, vol. 7, Blackwell Science Ltd Oxford, UK, 2004, pp. 1180--1191


Species coextinctions and the biodiversity crisis


Lian Pin Koh, Robert R Dunn, Navjot S Sodhi, Robert K Colwell, Heather C Proctor, Vincent S Smith


science, vol. 305, American Association for the Advancement of Science, 2004, pp. 1632--1634


Wings and stings


R. K. Colwell, J. T. Longino


Natural History, vol. 112, American Museum of Natural History, 2003, pp. 13--13


The ant fauna of a tropical rain forest: estimating species richness three different ways


John T Longino, Jonathan Coddington, Robert K Colwell


Ecology, vol. 83, Ecological Society of America, 2002, pp. 689--702


An evolutionary perspective on human interactions with biodiversity.


RK Colwell


AMERICAN JOURNAL OF HUMAN BIOLOGY, vol. 13, WILEY-LISS DIV JOHN WILEY \& SONS INC, 605 THIRD AVE, NEW YORK, NY 10158-0012 USA, 2001, pp. 116--117


Quantifying biodiversity: procedures and pitfalls in the measurement and comparison of species richness


Nicholas J Gotelli, Robert K Colwell


Ecology letters, vol. 4, Wiley Online Library, 2001, pp. 379--391


The mid-domain effect and the longitudinal dimension of continents-Reply


R Colwell, D Lees


Trends in Ecology \& Evolution, vol. 15, ELSEVIER SCIENCE LONDON 84 THEOBALDS RD, LONDON WC1X 8RR, ENGLAND, 2000, pp. 289--289


Rensch’s rule crosses the line: convergent allometry of sexual size dimorphism in hummingbirds and flower mites


Robert K Colwell


The American Naturalist, vol. 156, The University of Chicago Press, 2000, pp. 495--510


Hummingbirds and flower mites: contrasts and conflicts between two nectarivores


Robert K Colwell


A ornitologia no Brasil: pesquisa atual e perspectivas. Anais do VII Congresso Brasileiro de Ornitologia, Rio de Janeiro, 2000, pp. 65--91


A barrier runs through it… or maybe just a river


Robert K Colwell


Proceedings of the National Academy of Sciences, vol. 97, National Academy of Sciences, 2000, pp. 13470--13472


The mid-domain effect: geometric constraints on the geography of species richness


Robert K Colwell, David C Lees


Trends in ecology \& evolution, vol. 15, Elsevier Current Trends, 2000, pp. 70--76


Reply from RK Colwell and DC Lees


Robert Colwell, David Lees


Trends in Ecology \& Evolution, vol. 15, Elsevier, 2000, p. 289


Т he extent, distribution, and biology of invertebrate


IAN OLIVER, ANTHONY PIK, DAVID BRITTON, J MARK DANGERFIELD, ROBERT K COLWELL


BioScience, vol. 50, 2000, pp. 441--450


Virtual biodiversity assessment systems


Ian Oliver, Anthony Pik, David Britton, J Mark Dangerfield, Robert K Colwell, Andrew J Beattie


Bioscience, vol. 50, American Institute of Biological Sciences Circulation, AIBS, 1313 Dolley~…, 2000, pp. 441--450


Tropical tree richness and resource-based niches


Robin L Chazdon, Robert K Colwell, Julie S Denslow


Science, vol. 285, American Association for the Advancement of Science, 1999, pp. 1459--1459


The evolution of host-plant affiliation, body size and sexual dimorphism in hummingbird flower mites (Ascidae: Rhinoseius and Tropicoseius)


RK Colwell, P Naskrecki


In G. R. Needham, R. Mitchell, D. J. Horn, and W. C. Welbourn, editors. Acarology IX, Volume 2: Symposia (IXth International Congress of Acarology ), Ohio Biological Survey, Columbus, Ohio, 1999, pp. 79--86


Sexual sorting in hummingbird flower mites (Mesostigmata: Ascidae)


Robert K Colwell, Shadid Naeem


Annals of the Entomological Society of America, vol. 92, Oxford University Press Oxford, UK, 1999, pp. 952-959


Systematics and host plant affiliations of hummingbird flower mites of the genera Tropicoseius Baker & Yunker and Rhinoseius Baker and Yunker (Acari: Mesostigmata: Ascidae).


Piotr Naskrecki, Robert K Colwell


Thomas Say Publications in Entomology, Entomological Society of America~…, 1998


Biodiversity assessment using structured inventory: capturing the ant fauna of a tropical rain forest


John T Longino, Robert K Colwell


Ecological applications, vol. 7, Ecological Society of America, 1997, pp. 1263--1277


The Flower Mites of Trinidad: The Genus Rhinoseius (Acari: Ascidae)


Barry M OConnor, Robert Knight Colwell, Shahid Naeem


Museum of Zoology, University of Michigan, 1997


Integration of species and ecosystem approaches to conservation


SL Tartowski, EB Allen, NE Barrett, AR Berkowitz, RK Colwell


S. T. A. Pickett, R. S. Ostfield, M. Shachak, and G. E. Likens, editors. Enhancing the ecological basis of conservation: Heterogeneity, ecoystem function, and biodiversity. Proceedings of the Sixth Cary Conference, Institute of Ecosystem Studies, 1997, pp. 187--198


Toward a resolution of conflicting paradigms


SL Tartowski, EB Allen, NE Barrett, AR Berkowitz, Robert K Colwell, PM Groffman, J Harte, Hugh Philip Possingham, CM Pringe, DL Strayer, others


Chapman \& Hall, 1997


Quantitative inventory of a lowland rainforest ant fauna. Inventario cuantitativo de la fauna de hormigas en un bosque lluvioso de las tierras bajas.


John T Longino, Robert K Colwell


Bulletin of the Ecological Society of America., vol. 77, 1996, p. 271


New genus and two new species of Melicharini from Venezuela (Acari: Mesostigmata: Ascidae)


Piotr Naskrecki, Robert K Colwell


Annals of the Entomological Society of America, vol. 88, Oxford University Press Oxford, UK, 1995, pp. 284--293


Excelsotarsonemus kaliszewskii, a new genus and new species from Costa Rica (Acari: Tarsonemidae)


Ronald Ochoa, Piotr Naskrecki, Robert K Colwell


International journal of acarology, vol. 21, Taylor \& Francis Group, 1995, pp. 67--74


Potential ecological and evolutionary problems of introducing transgenic crops into the environment


Robert K Colwell


biosafety for sustainable agriculture: Sharing biotechnology regulatory experiences of the western hemisphere. Eds. Krattiger, AF \& Rosemarin A. ISAAA, Ithaca \& SEI, Stockholm, 1994, pp. 33--46


Human aspects of biodiversity: An evolutionary perspective


Robert K Colwell


Biodiversity and Global Change, Cab International Wallingford, 1994, pp. 211--24


Estimating terrestrial biodiversity through extrapolation


Robert K Colwell, Jonathan A Coddington


Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences, vol. 345, The Royal Society London, 1994, pp. 101--118


Nonbiological gradients in species richness and a spurious Rapoport effect


Robert K Colwell, George C Hurtt


The American Naturalist, vol. 144, University of Chicago Press, 1994, pp. 570--595


Life-history patterns of hummingbird flower mites in relation to host phenology and morphology


Robert K Colwell, Shahid Naeem


Mites, Springer, Boston, MA, 1994, pp. 23-44


Diversity of long-term flowering patterns


LE Newstrom, GW Frankie, HG Baker, RK Colwell


In L. A. McDade, K. S. Bawa, H. A. Hespenheide, and G. S. Hartshorn, editors. La Selva: Ecology and natural history of a Neotropical rain forest., University of Chicago Press, 1994, pp. 142--160


Terrestrial arthropod assemblages: their use in conservation planning


C Kremen, RK Colwell, TL Erwin, DD Murphy, RF Noss, MA and Sanjayan


Conservation biology, Blackwell Scientific Publications, 1993, pp. 796--808


Cellulose acetate electrophoretic techniques for the genetic analysis of individual ascid mites (Mesostigmata: Ascidae)


Kim M Christiansen, Robert K Colwell, Marek J Kaliszewski


International journal of acarology, vol. 18, Taylor \& Francis, 1992, pp. 97--105


Making Sense of Ecological Complexity: A Personal and Conceptual Restrospective


Robert K Colwell


Biotropica, Association for Tropical Biology, 1992, pp. 226--232


Niche: a bifurcation in the conceptual lineage of the term


Robert K Colwell


Keywords in evolutionary biology, Harvard University press, MA, USA, 1992, pp. 241--248


The polymerase chain reaction and sequencing of mite DNA


MJ Kaliszewski, J Tobolewski, S Seyoum, I Chojnacki, MM Kaliszewska, DJ Stanton, RK Colwell


International journal of acarology, vol. 18, Taylor \& Francis, 1992, pp. 231--239


Detection and identification of mammalian DNA from the gut of museum specimens of ticks


Jerzy Tobolewski, Marek J Kaliszewski, Robert K Colwell, James H Oliver Jr


Journal of medical entomology, vol. 29, Oxford University Press Oxford, UK, 1992, pp. 1049--1051


Conceptual framework and research issues for species diversity at the community level


R Barbault, RK Colwell, B Dias, DL Hawksworth, M Huston, P Laserre, D Stone, T Younes


From genes to ecosystems: a research agenda for biodiversity. IUBS, Cambridge, Mass, 1991, pp. 37--71


Host plant discrimination: Experiments with hummingbird flower mites


AJ Heyneman, Robert K Colwell, S Naeem, DS Dobkin, B Hallet


Plant-animal interactions: evolutionary ecology in tropical and temperate regions. Price, P. W. Lewinsohn, T. M. Fernandes, G. W. Benson, W. W., Eds., John Wiley and Sons, 1991, pp. 455--485


Ecological consequences of heterogeneity of consumable resources


Shahid Naeem, Robert K Colwell


Ecological heterogeneity, Springer, New York, NY, 1991, pp. 224--255


Flower mites of Trinidad II. The genus Proctolaelaps (Acari: Ascidae)


Barry M OConnor, Robert K Colwell, Shahid Naeem


The Great Basin Naturalist, Brigham Young University, 1991, pp. 348--376


Hummingbirds of the Juan Fern{\'a}ndez Islands: natural history, evolution and population status


RK Colwell


Ibis, vol. 131, Blackwell Publishing Ltd (NOTE: that the names of the birds in the Abstract~…, 1989, pp. 548--566


Hummingbirds of the Juan Fern{\'a}ndez Islands: natural history, evolution and population status


RK Colwell


Ibis, vol. 131, Blackwell Publishing Ltd (NOTE: that the names of the birds in the Abstract~…, 1989, pp. 548--566


Natural and unnatural history: Biological diversity and genetic engineering. Pages 1-40 in W. R. Shea and B. Sitter, editors. Scientists and their responsibility. Watson International Publishing, Canton, MA.


Robert K Colwell


W. R. Shea and B. Sitter, editors. Scientists and their responsibility., Watson International Publishing, Canton, MA., 1989, pp. 1--40


Natural and unnatural history: Biological diversity and genetic engineering. Pages 1-40 in W. R. Shea and B. Sitter, editors. Scientists and their responsibility. Watson International Publishing, Canton, MA.


Robert K Colwell


W. R. Shea and B. Sitter, editors. Scientists and their responsibility., Watson International Publishing, Canton, MA., 1989, pp. 1--40


Hutchinsonian ratios and statistical power


Jonathan B Losos, Shahid Naeem, Robert K Colwell


Evolution, vol. 43, Society for the Study of Evolution, Wiley, 1989, pp. 1820--1826


Ecology and biotechnology: expectations and outliers


Robert K Colwell


NATO ASI Series. Series G: Ecological Sciences, vol. 18, Plenum, 1988, pp. 163--180


Another reading of NAS gene report


Robert K Colwell


BioScience;(United States), vol. 38, Univ. of Tennessee, Knoxville (USA), 1988


Another reading of NAS gene report


Robert K Colwell


BioScience;(United States), vol. 38, Univ. of Tennessee, Knoxville (USA), 1988


Response to the Office of Science and Technology Policy Notice" Coordinated Framework for Regulation of Biotechnology"


Robert K Colwell, Lawrence W Barnthouse, Andrew Dobson, Frieda Taub, Richard Wetzler


Bulletin of the Ecological Society of America, vol. 68, Wiley, Ecological Society of America, 1987, pp. 16--23


Population structure and sexual selection for host fidelity in the speciation of hummingbird flower mites


RK Colwell


Evolutionary processes and theory. Karlin, S, and E. Nevo, Eds., Academic, New York, New York, USA, 1986, pp. 475--495


Community biology and sexual selection: Lessons from hummingbird flower mites


Robert K Colwell


Community Ecology. Diamond, J.; Case, TJ (eds.)., Harper and Row, N. Y., 1986, pp. 406-424


The evolution of ecology


Robert K Colwell


American Zoologist, vol. 25, Oxford University Press, 1985, pp. 771--777


Stowaways on the Hummingbird Express


Robert K Colwell


Natural History, vol. 94, 1985, pp. 56--63


Genetic engineering in agriculture


Robert K Colwell, Elliott A Norse, David Pimentel, Frances E Sharples, Daniel Simberloff


Science, vol. 229, American Association for the Advancement of Science, 1985, pp. 111--112


Report on workshop on possible ecological and evolutionary impacts of bioengineered organisms released into the environment


James H Brown, Robert K Colwell, Richard E Lenski, Bruce R Levin, Monte Lloyd, Philip J Regal, Daniel Simberloff


Bulletin of the Ecological Society of America, vol. 65, Wiley, Ecological Society of America, 1984, pp. 436--438


A null model for null models in biogeography


R. K. Colwell, D. W. Winkler


Jr. Strong D. R., D. Simberloff, L. G. Abele, A. B. Thistle, Ecological communities: Conceptual issues and the evidence, chapter 20, Princeton University Press, 1984, pp. 344-359


Comparing behavior: Studying man studying animals


RK Colwell, MC King, DW Rajecki


1983


Theoretical Ecology: Principles and Applications


Robert K Colwell


American Ornithological Society, 1983


CITATION CLASSIC-ON THE MEASUREMENT OF NICHE BREADTH AND OVERLAP


RK Colwell


CURRENT CONTENTS/AGRICULTURE BIOLOGY \& ENVIRONMENTAL SCIENCES, INST SCI INFORM INC 3501 MARKET ST, PHILADELPHIA, PA 19104, 1982, pp. 18--18


Female-biased sex ratios (reply)


Robert K Colwell


Nature, vol. 298, Nature Publishing Group, 1982, pp. 495--496


The geographical ecology of hummingbird flower mites in relation, to their host plants and carriers.


Robert K Colwell


Recent Advances in Acarology., vol. 2, 1979, pp. 461--468


Elevation and the morphology, flight energetics, and foraging ecology of tropical hummingbirds


Peter Feinsinger, Robert K Colwell, John Terborgh, Susan Budd Chaplin


The American Naturalist, vol. 113, University of Chicago Press, 1979, pp. 481--497


Predictability, constancy, and contingency of periodic phenomena


Robert K Colwell


Ecology, vol. 55, Ecological Society of America, 1974, pp. 1148--1153


Competition for the nectar of Centropogon valerii by the hummingbird Colibri thalassinus and the flower-piercer Diglossa plumbea, and its evolutionary implications


Robert K Colwell, Burr J Betts, Pille Bunnell, F Lynn Carpenter, Peter Feinsinger


The condor, vol. 76, American Ornithological Society, 1974, pp. 447--452


Competition and coexistence in a simple tropical community


Robert K Colwell


The American Naturalist, vol. 107, University of Chicago Press, 1973, pp. 737-760


Ecological Assessment


Matthew H Greenstone, Robert K Colwell, Frank A Pitelka


Science, vol. 177, American Association for the Advancement of Science, 1972, pp. 210--210


On the measurement of niche breadth and overlap


Robert K Colwell, Douglas J Futuyma


Ecology, vol. 52, Ecological Society of America, 1971, pp. 567--576


The relationship between species diversity and stability: an experimental approach with protozoa and bacteria


NG Hairston, JD Allan, RK Colwell, DJ Futuyma, J Howell, MD Lubin, J Mathias, JH Vandermeer


Ecology, vol. 49, Ecological Society of America, 1968, pp. 1091--1101

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