Both the canopy-flow and surface-uptake models represent significant advances in scientists' ability to understand the ecology of fossil and modern communities, Jacobs said. Such modeling may prove critical to understanding processes that affect ocean life today, such as coral bleaching, he said.
Co-authors of the research include David Gold, a UCLA graduate student in Jacobs' laboratory; Roger Summons (MIT) and David Johnston (Harvard), who helped reconstruct the paleoceanography of this time; and Guy Narbonne (Queens University), Marc LaFlamme (University of Toronto) and Matthew Clapham (UC Santa Cruz), who contributed the paleontological data necessary to populate the model. Marco Ghisalberti of the University of Western Australia in Perth developed and conducted the modeling in collaboration with Jacobs and Gold, who developed the paleo-biomechanical conceptual models to be tested, assembled the research team and directed the research.
For more information about NASA's "Foundations of Complex Life" astrobiology research, visit
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