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Geophysical Monograph Series



  • Rain forest ecology—Amazon River Region
  • Biosphere—Research—Amazon River Region
  • Climatic changes—Amazon River Region
  • Amazon River Region—Climate

Index Terms

  • 1632 Global Change: Land cover change
  • 1630 Global Change: Impacts of global change
  • 9360 Geographic Location: South America



Biogeochemistry and ecology of terrestrial ecosystems of Amazonia

Y. Malhi and E. A. Davidson

The last decade of research associated with the Large-Scale Biosphere-Atmosphere Experiment in Amazonia (LBA) has led to substantial advances in our understanding of the biogeochemistry and ecology of Amazonian forests and savannas, in particular in relation to the carbon cycle of Amazonia. In this chapter, we present a synthesis of results and ideas that are presented in more detail in subsequent chapters, drawing together evidence from studies of forest ecology, ecophysiology, trace gas fluxes and atmospheric flux towers, large-scale rainfall manipulation experiments and soil surveys, satellite remote sensing, and quantification of carbon and nutrient stocks and flows. The studies have demonstrated the variability of the functioning and biogeochemistry of Amazonian forests at a range of spatial and temporal scales, and they provide clues as to how Amazonia will respond to ongoing direct pressure and global atmospheric change. We conclude by highlighting key questions for the next decade of research to address.

Citation: Malhi, Y., and E. A. Davidson (2009), Biogeochemistry and ecology of terrestrial ecosystems of Amazonia, in Amazonia and Global Change, Geophys. Monogr. Ser., vol. 186, edited by M. Keller et al., pp. 293–297, AGU, Washington, D. C., doi:10.1029/2009GM000905.

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