Ground-based and remotely sensed nutrient availability across a tropical landscape

Tropical soils often are assumed to be highly weathered and thus nutrient-depleted, but this prediction applies primarily to geomorphically stable surfaces. Topography complicates the assumption of nutrient depletion, because erosion can enhance the supply of nutrients to tropical ecosystems. Conseq...

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Veröffentlicht in:	Proceedings of the National Academy of Sciences - PNAS 2005-08, Vol.102 (31), p.10909-10912
Hauptverfasser:	Porder, S, Asner, G.P, Vitousek, P.M
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological Sciences digital elevation models Ecology Ecosystem Ecosystems Erosion Forest canopy Hawaii Landscapes Leaves Metrosideros polymorpha Nitrogen - analysis Nutrient availability nutrient content Nutrients phosphorus Phosphorus - analysis Rain Rainforests Remote sensing Sloping terrain Soil - analysis soil erosion soil fertility soil nutrients Soils Spectral reflectance Spectrum Analysis - methods topography Toposequences tree crown Trees Tropical Climate tropical soils
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