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Planktonic nutrient regeneration and cycling efficiency in temperate lakes

Author

Listed:
  • Jeff J. Hudson

    (University of Alberta)

  • William D. Taylor

    (University of Waterloo)

  • David W. Schindler

    (University of Alberta)

Abstract

Planktonic nutrient regeneration is a fundamental process that maintains most of the primary productivity in marine and freshwater environments. However, there is no robust predictive model to describe the pattern and efficiency of nutrient cycling across aquatic systems. Based on rather weak evidence, the efficiency of nutrient regeneration is believed to decline along a gradient of productivity, so that nutrient-poor environments are assumed to be more efficient at cycling their nutrients than are nutrient-rich environments1,2,3,4,5. Here we measure phosphorus regeneration directly and show that cycling efficiency does not vary with phosphorus concentration. In addition, we confirm that the phosphorus supply for lake plankton comes primarily from within the plankton community, rather than from external loading or from larger organisms such as fish.

Suggested Citation

  • Jeff J. Hudson & William D. Taylor & David W. Schindler, 1999. "Planktonic nutrient regeneration and cycling efficiency in temperate lakes," Nature, Nature, vol. 400(6745), pages 659-661, August.
    • Handle: RePEc:nat:nature:v:400:y:1999:i:6745:d:10.1038_23240
    DOI: 10.1038/23240
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    Cited by:

    1. Mulderij, Gabi & Van Nes, Egbert H. & Van Donk, Ellen, 2007. "Macrophyte–phytoplankton interactions: The relative importance of allelopathy versus other factors," Ecological Modelling, Elsevier, vol. 204(1), pages 85-92.
    2. Chen, Fei & Taylor, William D., 2011. "A model of phosphorus cycling in the epilimnion of oligotrophic and mesotrophic lakes," Ecological Modelling, Elsevier, vol. 222(5), pages 1103-1111.
    3. Ramin, Maryam & Perhar, Gurbir & Shimoda, Yuko & Arhonditsis, George B., 2012. "Examination of the effects of nutrient regeneration mechanisms on plankton dynamics using aquatic biogeochemical modeling," Ecological Modelling, Elsevier, vol. 240(C), pages 139-155.

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