NAI
Andrew Knoll
Harvard University
Current Projects
- Environmental Evolution and Complex Life — 2016 NAI
- Paleontological, Sedimentological, and Geochemical Investigations of the Mesoproterozoic-Neoproterozoic Transition — 2015 NAI
- Earth's Evolving Nitrogen Cycle - Implications for Community Complexity and Stability — 2015 NAI
- The MER Mission to Mars — 2015 NAI
- Early Animals: Taphonomic Controls on Fossil Record — 2015 NAI
- Early Animals: Evolution of Complex Multicellularity — 2015 NAI
- Evolution of Precambrian Life and Primary Producers — 2015 NAI
- Mars Analog Studies: Mineral Assemblages in Terrestrial Settings — 2015 NAI
- Mars Analog Studies: Reflectance Spectroscopy of Organics in Ancient Rocks and Meteorites — 2015 NAI
- Early Animals: Predation, Oxygen and Preservation in Early Animal Evolution — 2014 NAI
- Taphonomy, Curiosity and Missions to Mars — 2014 NAI
- Paleontological, Sedimentological, and Geochemical Investigations of the Mesoproterozoic-Neoproterozoic Transition — 2014 NAI
- Life and Environments: Proterozoic Geology, Geochemistry and Paleontology — 2013 NAI
- Taphonomy, Curiosity and Missions to Mars — 2013 NAI
- Life and Environments: Fossils of the Late Meso- and Early Neoproterozoic — 2013 NAI
- Atmospheric Oxygen and Complex Life — 2012 NAI
- Paleontological Investigations of the Advent and Maintenance of Multicellular Life — 2012 NAI
- Astrobiological Exploration of Mars — 2011 NAI
- Atmospheric Oxygen and Complex Life — 2011 NAI
- Paleontological Investigations of the Advent and Maintenance of Multicellular Life — 2011 NAI
- Astrobiological Exploration of Mars — 2010 NAI
- Paleontological Investigations of the Advent and Maintenance of Multicellular Life — 2010 NAI
- Environmental Oxygen and the Rise (And Fall) of Metazoans — 2010 NAI
- Astrobiological Exploration of Mars — 2009 NAI
- Environmental Oxygen and the Rise of Metazoans — 2009 NAI
- Paleontological Investigations of the Advent and Maintenance of Multicellular Life — 2009 NAI
- The Planetary Context of Biological Evolution — 2004 NAI
- The Planetary Context of Biological Evolution Subproject: Carbon Cycle and Climate Dyanamics of Mars — 2003 NAI
- The Planetary Context of Biological Evolution Sub Project: Geobiology of Neogene Hematitic Sedimentary Rocks — 2003 NAI
- The Planetary Context of Biological Evolution Subproject: Neoproterozoic-Cambrian Environmental Change and Evolution — 2003 NAI
- The Planetary Context of Biological Evolution Subproject: The Proterozoic Oxidiation of the Earth's Surface — 2003 NAI
- The Planetary Context of Biological Evolution: Subproject: Permo-Triassic Mass Extinction and Its Consequences — 2003 NAI
- Fractionation of Transition Metal Isotopes — 2003 NAI
- The Planetary Context of Biological Evolution: Subproject: Permo-Triassic Mass Extinction and Its Consequences — 2003 NAI
- The Planetary Context of Biological Evolution: The Proterozoic Oxidiation of the Earth's Surface — 2002 NAI
- Evogenomics (Collaborative Focus Group Research) — 2002 NAI
- The Planetary Context of Biological Evolution: Geobiology of Neogene Hematitic Sedimentary Rocks — 2002 NAI
- The Planetary Context of Biological Evolution: Molecular and Isotopic Approaches to Microbial Ecology and Biogeochemistry — 2002 NAI
- The Planetary Context of Biological Evolution: Permo-Triassic Mass Extinction and Its Consequences — 2002 NAI
- The Planetary Context of Biological Evolution: Neoproterozoic-Cambrian Environmental Change and Evolution — 2002 NAI
- Isotopic and Molecular Tracers of Life — 2002 NAI
- The Planetary Context of Biological Evolution: Permo-Triassic Mass Extinction and Its Consequences — 2001 NAI
- The Planetary Context of Biological Evolution: The Proterozoic Oxidiation of the Earth's Surface — 2001 NAI
- Evogenomics (Collaborative Focus Group Research) — 2001 NAI
- Geobiology of Neogene Hematitic Sedimentary Rocks — 2001 NAI
- The Planetary Context of Biological Evolution: Neoproterozoic-Cambrian Environmental Change and Evolution — 2001 NAI
- Redox-Sensitive Metals and Environmental Evolution — 2000 NAI
- The Planetary Context of Biological Evolution: Research on Terminal Proterozoic Evolution and the Coevolution of Life and Environments — 2000 NAI
- View all 48 projects
NAI Project Collaborators
- Project collaborators as reported by the latest NAI Annual Report.
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Publications
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Arvidson, R. E., Ashley, J. W., Bell, J. F., Chojnacki, M., Cohen, J., Economou, T. E., … Wolff, M. J. (2011). Opportunity Mars Rover mission: Overview and selected results from Purgatory ripple to traverses to Endeavour crater. Journal of Geophysical Research, 116. doi:10.1029/2010je003746
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Chakrabarti, R., Knoll, A. H., Jacobsen, S. B., & Fischer, W. W. (2012). Si isotope variability in Proterozoic cherts. Geochimica et Cosmochimica Acta, 91, 187–201. doi:10.1016/j.gca.2012.05.025
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Cohen, P. A., & Knoll, A. H. (2012). Scale Microfossils from the Mid-Neoproterozoic Fifteenmile Group, Yukon Territory. Journal of Paleontology, 86(5), 775–800. doi:10.1666/11-138.1
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Dahl, T. W., Canfield, D. E., Rosing, M. T., Frei, R. E., Gordon, G. W., Knoll, A. H., & Anbar, A. D. (2011). Molybdenum evidence for expansive sulfidic water masses in ~750Ma oceans. Earth and Planetary Science Letters, 311(3-4), 264–274. doi:10.1016/j.epsl.2011.09.016
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Dahl, T. W., Hammarlund, E. U., Anbar, A. D., Bond, D. P. G., Gill, B. C., Gordon, G. W., … Canfield, D. E. (2010). Devonian rise in atmospheric oxygen correlated to the radiations of terrestrial plants and large predatory fish. Proceedings of the National Academy of Sciences, 107(42), 17911–17915. doi:10.1073/pnas.1011287107
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Dahl, T. W., Hammarlund, E. U., Anbar, A. D., Bond, D. P. G., Gill, B. C., Gordon, G. W., … Canfield, D. E. (2011). Reply to Butterfield: The Devonian radiation of large predatory fish coincided with elevated atmospheric oxygen levels. Proceedings of the National Academy of Sciences, 108(9), E29–E29. doi:10.1073/pnas.1018818108
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Gill, B. C., Lyons, T. W., Young, S. A., Kump, L. R., Knoll, A. H., & Saltzman, M. R. (2011). Geochemical evidence for widespread euxinia in the Later Cambrian ocean. Nature, 469(7328), 80–83. doi:10.1038/nature09700
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Hazen, R. M., Bekker, A., Bish, D. L., Bleeker, W., Downs, R. T., Farquhar, J., … Valley, J. W. (2011). Needs and opportunities in mineral evolution research. American Mineralogist, 96(7), 953–963. doi:10.2138/am.2011.3725
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Johnston, D. T., Poulton, S. W., Goldberg, T., Sergeev, V. N., Podkovyrov, V., Vorob’eva, N. G., … Knoll, A. H. (2012). Late Ediacaran redox stability and metazoan evolution. Earth and Planetary Science Letters, 335-336, 25–35. doi:10.1016/j.epsl.2012.05.010
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Johnston, D. T., Wolfe-Simon, F., Pearson, A., & Knoll, A. H. (2009). Anoxygenic photosynthesis modulated Proterozoic oxygen and sustained Earth’s middle age. Proceedings of the National Academy of Sciences, 106(40), 16925–16929. doi:10.1073/pnas.0909248106
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Knoll, A. H. (2011). The Multiple Origins of Complex Multicellularity. Annual Review of Earth and Planetary Sciences, 39(1), 217–239. doi:10.1146/annurev.earth.031208.100209
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Knoll, A. H., Canfield, D. E., & Konhauser, K. O. (2012). What is Geobiology?. Fundamentals of Geobiology, None, 1–4. doi:10.1002/9781118280874.ch1
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Parfrey, L. W., Lahr, D. J. G., Knoll, A. H., & Katz, L. A. (2011). Estimating the timing of early eukaryotic diversification with multigene molecular clocks. Proceedings of the National Academy of Sciences, 108(33), 13624–13629. doi:10.1073/pnas.1110633108
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Ratti, S., Knoll, A. H., & Giordano, M. (2011). Did sulfate availability facilitate the evolutionary expansion of chlorophyll a+c phytoplankton in the oceans?. Geobiology, 9(4), 301–312. doi:10.1111/j.1472-4669.2011.00284.x
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Raven, J. A., & Knoll, A. H. (2010). Non-Skeletal Biomineralization by Eukaryotes: Matters of Moment and Gravity. Geomicrobiology Journal, 27(6-7), 572–584. doi:10.1080/01490451003702990
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Squyres, S. W., Arvidson, R. E., Bell, J. F., Calef, F., Clark, B. C., Cohen, B. A., … Zacny, K. (2012). Ancient Impact and Aqueous Processes at Endeavour Crater, Mars. Science, 336(6081), 570–576. doi:10.1126/science.1220476
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Squyres, S. W., Knoll, A. H., Arvidson, R. E., Ashley, J. W., Bell, J. F., Calvin, W. M., … Yingst, R. A. (2009). Exploration of Victoria Crater by the Mars Rover Opportunity. Science, 324(5930), 1058–1061. doi:10.1126/science.1170355
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Summons, R. E., Amend, J. P., Bish, D., Buick, R., Cody, G. D., Des Marais, D. J., … Sumner, D. Y. (2011). Preservation of Martian Organic and Environmental Records: Final Report of the Mars Biosignature Working Group. Astrobiology, 11(2), 157–181. doi:10.1089/ast.2010.0506
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Tosca, N. J., & Knoll, A. H. (2009). Juvenile chemical sediments and the long term persistence of water at the surface of Mars. Earth and Planetary Science Letters, 286(3-4), 379–386. doi:10.1016/j.epsl.2009.07.004
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Tosca, N. J., Knoll, A. H., & McLennan, S. M. (2008). Water Activity and the Challenge for Life on Early Mars. Science, 320(5880), 1204–1207. doi:10.1126/science.1155432
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Tziperman, E., Halevy, I., Johnston, D. T., Knoll, A. H., & Schrag, D. P. (2011). Biologically induced initiation of Neoproterozoic snowball-Earth events. Proceedings of the National Academy of Sciences, 108(37), 15091–15096. doi:10.1073/pnas.1016361108
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Wilson, J. P., & Knoll, A. H. (2010). A physiologically explicit morphospace for tracheid-based water transport in modern and extinct seed plants. Paleobiology, 36(2), 335–355. doi:10.1666/08071.1
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Wilson, J. P., Grotzinger, J. P., Fischer, W. W., Hand, K. P., Jensen, S., Knoll, A. H., … Tice, M. M. (2012). DEEP-WATER INCISED VALLEY DEPOSITS AT THE EDIACARAN-CAMBRIAN BOUNDARY IN SOUTHERN NAMIBIA CONTAIN ABUNDANT TREPTICHNUS PEDUM. PALAIOS, 27(4), 252–273. doi:10.2110/palo.2011.p11-036r
See Project - Creveling, J., Johnston, D.T. & Knoll, A.H. (2011). Geochemical controls on phosphatization taphonomy in the Middle Cambrian. Geological Society of America, 43(5): 53. See Project
- Ferdnandez-Remolar, D. & Knoll, A.H. (2010). Preservation of biological information under acidic conditions in the Rio Tinto extreme environment. 3rd International Palaeontological Congress. London. See Project
- Gaidos, E. & Knoll, A.H. (2012). Our evolving planet: from the dark ages to an evolutionary renaissance. In: Lunine, J. & Impie, C. (Eds.). Astrobiology. Cambridge, UK: Cambridge University Press. See Project
- Gill, B., Knoll, A.H. & Johnston, D.T. (2011). Investigating geochemistry of the Wheeler Formation of Utah, USA: Insights into the redox environment of Burgess Shale-type fossil preservation. Geological Society of America, 43(5): 53. See Project
- Gill, B., Lyons, T., Young, S., Kump, L., Knoll, A. & Saltzman, M.R. (2010, In Press). Did deep ocean anoxia stifle early 1 animal evolution during the later Cambrian? Nature. See Project
- Knoll, A.H. & Fischer, W.W. (2010). Skeletons and ocean chemistry: the long view. In: Gattuso, J.P. & Hansson, ,.L. (Eds.). Ocean Acidification. Oxford: Oxford University Press. See Project
- Knoll, A.H. & Fischer, W.W. (2011). Knoll, A.H. and W.W. Fischer. In: J.P. Knoll, A.H.a.W.W.F. (Eds.). Ocean Acidification. Oxford University Press. See Project
- Knoll, A.H. & Hewitt, D. (2011). Complex multicellularity: Phylogenetic, functional and geological perspectives. In: Sterelny, K. & Calcott, B. (Eds.). The Major Transitions Revisited. Cambridge, MA: MIT Press. See Project
- Knoll, A.H. (2012a). The fossil record of microbial life. In: Knoll, A.H., Canfield, D.E. & Konhauser, K. (Eds.). Fundamentals of Geobiology. Chichester UK: Wiley-Blackwell. See Project
- Lyons, T.W., Reinhard, C.T., Love, G.D., Xiao, S., Canfield, D.E., Knoll, A.H. & Konhauser, K. (in press). Geobiology of the Proterozoic Eon. Wiley-Blackwell. See Project
- Yang, E.C., Boo, S.M., Bhattacharya, D., Saunders, G.W., Knoll, A.H., Fredericq, S. & Yoon, H.S. (2011, Submitted). Divergence time estimates and evolution of major lineages in the florideophyte red algae. PLoS One. See Project
- View all 34 publications
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Phone:
617-495-9306 -
Fax:
617-495-5667 -
Email:
aknoll@oeb.harvard.edu -
Discipline
Paleontology
CAN 1