Ca cycling and isotopic fluxes in forested ecosystems in Hawaii

@article{Wiegand2005CaCA,
  title={Ca cycling and isotopic fluxes in forested ecosystems in Hawaii},
  author={Bettina Wiegand and Oliver A. Chadwick and Peter M Vitousek and Joseph L. Wooden},
  journal={Geophysical Research Letters},
  year={2005},
  volume={32},
  pages={1-4}
}
  • Bettina Wiegand, Oliver A. Chadwick, +1 author Joseph L. Wooden
  • Published 2005
  • Geology
  • Geophysical Research Letters
  • [1] Biogeochemical processes fractionate Ca isotopes in plants and soils along a 4 million year developmental sequence in the Hawaiian Islands. We observed that plants preferentially take up 40Ca relative to 44Ca, and that biological fractionation and changes in the relative contributions from volcanic and marine sources produce a significant increase in 44Ca in soil exchangeable pools. Our results imply moderate fluxes enriched in 44Ca from strongly nutrient-depleted old soils, in contrast… CONTINUE READING

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