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dc.contributor.authorJiang, Linen_US
dc.contributor.authorSchofield, Oscar M. E.en_US
dc.contributor.authorFalkowski, Paul G.en_US
dc.date.accessioned2010-08-11T19:55:38Z
dc.date.available2010-08-11T19:55:38Z
dc.date.issued2005-10
dc.identifier.citationLin Jiang, Oscar M. E. Schofield and Paul G. Falkowski, "Adaptive Evolution of Phytoplankton Cell Size," American Naturalist, Vol. 166 (October 2005) 496–505en_US
dc.identifier.issn0003-0147
dc.identifier.urihttp://hdl.handle.net/1853/34395
dc.description© 2005 The University of Chicagoen_US
dc.descriptionDOI: 10.1086/444442
dc.description.abstractWe present a simple nutrient‐phytoplankton‐zooplankton (NPZ) model that incorporates adaptive evolution and allometric relations to examine the patterns and consequences of adaptive changes in plankton body size. Assuming stable environmental conditions, the model makes the following predictions. First, phytoplankton should evolve toward small sizes typical of picoplankton. Second, in the absence of grazers, nutrient concentration is minimized as phytoplankton reach their fitness maximum. Third, increasing nutrient flux tends to increase phytoplankton cell size in the presence of phytoplankton‐zooplankton coevolution but has no effect in the absence of zooplankton. Fourth, phytoplankton reach their fitness maximum in the absence of grazers, and the evolutionary nutrient‐phytoplankton system has a stable equilibrium. In contrast, phytoplankton may approach their fitness minimum in the evolutionary NPZ system where phytoplankton and zooplankton are allowed to coevolve, which may result in oscillatory (unstable) dynamics of the evolutionary NPZ system, compared with the otherwise stable nonevolutionary NPZ system. These results suggest that evolutionary interactions between phytoplankton and zooplankton may have contributed to observed changes in phytoplankton sizes and associated biogeochemical cycles over geological time scales.en_US
dc.language.isoen_USen_US
dc.publisherGeorgia Institute of Technologyen_US
dc.subjectAdaptive evolutionen_US
dc.subjectBody sizeen_US
dc.subjectNutrient‐phytoplankton‐zooplankton (NPZ) modelen_US
dc.subjectPhytoplanktonen_US
dc.subjectZooplanktonen_US
dc.titleAdaptive Evolution of Phytoplankton Cell Sizeen_US
dc.typeArticleen_US
dc.contributor.corporatenameRutgers University. Institute of Marine and Coastal Sciencesen_US
dc.contributor.corporatenameRutgers University. Dept. of Geological Sciencesen_US
dc.publisher.originalUniversity of Chicago Press
dc.identifier.doi10.1086/444442


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